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Главная страница Справка Коды ЭШД A67

Коды ЭШД

A64 A65 A66

A67

A68 A69 A70

A67

Код энциклопедии шахматных дебютов (ЭШД)

Описание

RU: Защита Бенони (вариант Тайманова)
EN: Modern Benoni: Taimanov Variation

Ходы

1. d4 Кf6 2. c4 c5 3. d5 e6 4. Кc3 e:d5 5. c:d5 d6 6. e4 g6 7. f4 Сg7 8. Сb5+

Дебюты

Защита Бенони

[Event "Groningen op"]
[Site "Groningen"]
[Date "1998.12.26"]
[Round "6"]
[White "Aagaard, Jacob"]
[Black "Reinderman, Dimitri"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2420"]
[BlackElo "2540"]
[Annotator "Aagaard,J"]
[PlyCount "53"]
[EventDate "1998.12.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bd3 Re8 13. Kh1 Rb8 14. Nd2 Nf6 15.
Nc4 b6 16. Qf3 Ba6 17. Be3 Nd7 18. Rad1 $2 (18. Rae1 $1 $16) 18... Qe7 19. e5
$1 Bxc4 20. Bxc4 Bxe5 21. fxe5 Nxe5 22. Qg3 Nxc4 23. Bg5 Qf8 24. Qf4 Ne5 25.
Ne4 f5 26. Bh6 Qe7 27. Bg5 1/2-1/2

[Event "EU-ch 17th"]
[Site "Gjakova"]
[Date "2016.05.16"]
[Round "5"]
[White "Cheparinov, Ivan"]
[Black "Pantsulaia, Levan"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2685"]
[BlackElo "2613"]
[Annotator "Baldauf,M"]
[PlyCount "111"]
[EventDate "2016.05.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "KOS"]
[SourceTitle "CBM 173"]
[Source "ChessBase"]
[SourceDate "2016.07.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.07.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. Bd3 Qh4+ $5 {Schwarz gibt hier ein weiteres Tempo her um die Schwдche
g3 zu provozieren - ein riskantes Konzept, bedenkt man, dass der gesamte
Damenflьgel noch nicht entwickelt ist.} 10. g3 Qd8 11. Nf3 O-O 12. O-O Nf6 (
12... a6 {dieser Einschub hilft Schwarz, da nach} 13. a4 Nf6 14. Qb3 Bh3 {
mцglich ist} 15. Re1 Ng4 16. Qxb7 Nd7 $44 {und Schwarz kann von Motiven wie}
17. a5 Qe7 18. Bd2 $4 Nde5 19. Qxe7 Nxf3+ 20. Kh1 Nf2# {trдumen}) 13. Qb3 Na6 (
13... a6 14. e5 $1) (13... Bh3 14. Re1 Ng4) 14. e5 Nd7 15. e6 Nb6 (15... c4 $1
{opfert einen Bauern fьr das Feld c5 und einen Tempogewinn - normalerweise ein
guter Tausch in solch konkreten Stellungen} 16. Bxc4 Nac5 17. Qd1 Nb6 18. Bb3
fxe6 19. dxe6 Bxe6 $13) 16. f5 $1 {Diagramm [#] ein wunderbarer Benoni-Zug:
WeiЯ rдumt dem Lc1 die Diagonale frei und schwдcht die schwarze Struktur} c4
17. Bxc4 Nc5 18. Qb4 gxf5 19. Bg5 (19. Re1 $5 {und es ist unklar, wie Schwarz
fortsetzen kann} Qf6 20. Bf4 Ne4 21. Bb3 $16) 19... Bf6 20. Bxf6 Qxf6 21. Rae1
fxe6 22. dxe6 Bxe6 23. Bxe6+ Nxe6 24. a4 $16 {WeiЯ hat die deutlich gesьndere
Struktur, aktivere Figuren, keine Schwдchen sowie den sichereren Kцnig} Nc5 25.
a5 {kдmpft das Feld d5 fьr den Sc3 frei} Nbd7 26. Nd5 Qg7 27. Ne7+ (27. Re7 Rf7
28. Qh4 Raf8 29. Nd4 $16) 27... Kh8 28. Nh4 f4 (28... Nd3 $1 29. Nhg6+ hxg6 30.
Qh4+ Qh7 31. Nxg6+ Kg8 32. Qxh7+ Kxh7 33. Nxf8+ Nxf8 $1 $11) 29. Nhf5 Qf6 30.
Rd1 $1 {geht aus der Gabel auf d3 und attackiert den d6} fxg3 31. hxg3 Na6 32.
Qb5 Ndc5 33. Rxd6 Qe5 34. Rd5 Qf6 35. Qe2 {Cheparinov hat sich eine
Gewinnstellung herausgearbeitet - man vergleiche den Wirkungsradius der weiЯen
und schwarzen Figuren} Rad8 36. Ng6+ $1 {leitet in ein gewonnenes Endspiel ьber
} (36. Rxd8 {wдre objektiv besser gewesen, da die Engine hier bereits Matt in
12 gibt - doch wenn man eine Dame gewinnen oder Matt setzen kann, sollte man
immer die Dame nehmen - so lautet eine alte Schachweisheit} Rxd8 37. Nd5 Qe6 $8
38. Qg4 Qe5 39. Nh6 $18 Qg7 40. Nf7+ Kg8 41. Ne7+ Kf8 42. Nxd8+) 36... hxg6 37.
Qh2+ Kg8 38. Nh6+ Kg7 39. Rxf6 Rxd5 40. Rxf8 Kxf8 41. Qf2+ Ke7 42. Qf7+ Kd6 43.
Qxg6+ Kc7 44. Qf7+ Kc6 45. Qf3 Nb4 46. Nf5 Kb5 47. g4 Rd3 48. Qe2 Kxa5 49. g5
Rd5 50. Qf3 Rd3 51. Qf4 Rd1+ 52. Kh2 Nbd3 53. Qc7+ Kb4 54. g6 Rd2+ 55. Kh3 Rf2
56. g7 1-0

[Event "Rohde op 12th"]
[Site "Sautron"]
[Date "2012.10.29"]
[Round "3"]
[White "Arnaudov, Petar G"]
[Black "Oleksienko, Mikhailo"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2471"]
[BlackElo "2539"]
[Annotator "Bedouin,X/Primel,D"]
[PlyCount "64"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]
[WhiteClock "1:30:00"]
[BlackClock "1:30:00"]

1. d4 {[%emt 0:02:21]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:04]} c5 {[%emt 0:
00:00]} 3. d5 {[%emt 0:00:09]} e6 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:06]} exd5
{[%emt 0:00:04]} 5. cxd5 {[%emt 0:00:07]} d6 {[%emt 0:00:07]} 6. e4 {[%emt 0:
00:04]} g6 {[%emt 0:00:15]} 7. f4 {[%emt 0:01:32]} Bg7 {[%emt 0:00:07]} 8. Bb5+
{[%emt 0:00:04]} Nfd7 {[%emt 0:00:27]} (8... Nbd7 {Peut-кtre sous estimй mкme
si la thйorie a longtemps considйrй que Nfd7 йtait indispensable} 9. e5 dxe5
10. fxe5 Nh5 11. e6 Qh4+ 12. g3 Nxg3 13. hxg3 Qxh1 14. Be3 Bxc3+ 15. bxc3 a6
16. exd7+ Bxd7 17. Bxd7+ Kxd7 18. Qb3 b5 {Sokolov,I (2665)-Topalov,V (2700)
Hoogovens Wijk aan Zee 1996 (4) 1-0}) 9. a4 {[%emt 0:00:33]} Qh4+ {[%emt 0:00:
05]} (9... O-O {La grande ligne}) 10. g3 {[%emt 0:00:10]} Qd8 {[%emt 0:00:03]}
(10... Qe7 {[%csl Re4,Re5] L'alternative}) 11. Nf3 {[%emt 0:00:27][%cal Ge4e5]}
O-O {[%emt 0:00:05]} 12. O-O {[%emt 0:00:17]} (12. Kf2 $13 Na6 {Mecking,H 
(2589)-Hungaski,R (2507) Caxias do Sul op 12th rapid 2012 (5) 1/2}) 12... Na6 {
[%emt 0:00:03]} (12... a6 13. Bd3 (13. Be2)) 13. Kg2 {[%emt 0:03:04]} (13. f5
$5 {[%csl Rc8]} Nf6 {Steingrimsson,H (2554)-Kristjansson,S (2483) ISL-ch
Egilsstadir 2011 (7) 1/2} (13... Ne5)) 13... Nc7 {[%emt 0:01:43]} 14. Bxd7 $1 {
[%emt 0:00:10] L'idйe thйmatique est la poussйe thйmatique f4f5 qui va gкner
le Bd7 sans craindre la rйponse Ne5} (14. f5 Ne5 $11) 14... Bxd7 {[%emt 0:06:
25]} 15. f5 {[%emt 0:00:45]} gxf5 {[%emt 0:05:04]} (15... h6 $5 {Moins risquй})
16. Bg5 {[%emt 0:01:53]} (16. exf5 Bxf5 17. Nh4 Bg6 18. Nf5 $44) 16... Qc8 {
[%emt 0:07:34]} (16... Qe8 17. exf5 Bxf5 18. Qd2 $44 {[%cal Ga1e1]}) 17. Be7 {
[%emt 0:13:38]} Re8 {[%emt 0:11:31]} 18. Bxd6 {[%emt 0:00:29]} fxe4 {[%emt 0:
00:16]} 19. Ng5 $32 {[%emt 0:00:49][%csl Ra8,Rc8][%cal Gc3e4,Gg5f7]} f6 {
[%emt 0:06:40]} 20. Rxf6 $5 {[%emt 0:24:28]} (20. Ngxe4 Bh3+ 21. Kh1 Bxf1 22.
Qxf1 f5 $1 {et les Blancs n'ont pas assez de compensations (XB)} 23. Nxc5 Bxc3
$1 24. bxc3 Nxd5 25. Qc4 Qc6 26. Rd1 b6 {X BEDOUIN}) 20... Bg4 {[%emt 0:25:42]}
(20... Bxf6 21. Qh5 {[%csl Rg8]} Bh3+ $1 22. Nxh3 Qd7 {[%cal Gd7d6,Gd7h7]}) 21.
Qf1 {[%emt 0:00:56]} h6 $1 {[%emt 0:00:18] Le coup intermйdiaire dйcisif} 22.
h3 {[%emt 0:22:22]} (22. Rg6 hxg5 23. Qf6 Bf3+ 24. Kg1 Qd7 $19) 22... Bf3+ {
[%emt 0:01:29]} 23. Nxf3 {[%emt 0:00:53]} Bxf6 {[%emt 0:00:09]} 24. Nd2 {
[%emt 0:00:45]} Bxc3 $19 {[%emt 0:03:25]} 25. bxc3 {[%emt 0:00:03]} Nxd5 {
[%emt 0:00:15]} 26. Re1 {[%emt 0:02:38]} e3 {[%emt 0:03:48]} 27. Qf3 {[%emt 0:
02:43]} Qe6 {[%emt 0:02:34]} 28. Bxc5 {[%emt 0:00:06]} Rad8 {[%emt 0:03:11]}
29. c4 {[%emt 0:02:27]} Nf4+ {[%emt 0:03:58]} 30. gxf4 {[%emt 0:02:13]} Qg6+ {
[%emt 0:01:46]} 31. Kh1 {[%emt 0:00:34]} exd2 {[%emt 0:00:19]} 32. Rxe8+ {
[%emt 0:00:16]} Qxe8 {[%emt 0:00:30]} 0-1

[Event "NOR-chT 1213"]
[Site "Norway"]
[Date "2012.11.04"]
[Round "3.2"]
[White "Elsness, Frode"]
[Black "Berg, Emanuel"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2483"]
[BlackElo "2574"]
[Annotator "Berg,E"]
[PlyCount "120"]
[EventDate "2012.11.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 151"]
[Source "ChessBase"]
[SourceDate "2012.11.13"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.13"]
[SourceQuality "1"]
[WhiteTeam "Moss"]
[BlackTeam "OSS"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "NOR"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 {This is one
very critical line which is a reason many Black players often use the move
order 2...e6 waiting for 3.Nf3 before entering the Benoni. Since my opponent
hadn't played this sharp move since 2008 it was definitely a good choice as I
couldn't have known what would come next.} Bg7 8. Bb5+ {The so called
"Flick-Knife" Attack. White forces Black to put a piece on d7 in order to
disturb his coordination.} Nfd7 (8... Nbd7 {is what Black would like to play,
but this is know to be beter for White after} 9. e5 {entering a long forced
line which usually ends up in an endgame with White having two minor pieces
for a rook..}) 9. Be2 {White retreats with his bishop so as not to allow ...a6
and ...b5. The other major options are} (9. a4) (9. Bd3) (9. Nf3) 9... O-O ({
Black might also try} 9... Qh4+ {which loses time,but creates weaknesses in
White's camp. Having tried this before I didn't want to walk into preparation
and decided to go for the alternative line.}) 10. Nf3 Na6 {Black's plan is to
play ...b5. In order to do so this knight will be needed on c7 for support.
This move also clears the b8-square for the rook on a8.} 11. O-O Nc7 12. Bd2 {
This move has been played seven times and scores well for White. However this
was not in my repertoire. It was at first not so obvious for me what White's
plan was} ({Here I was expecting} 12. a4 {which is the most common move for
White.}) 12... a6 13. a4 ({White has also tried the immediate} 13. Be1 {
although after} b5 {0-1 (46) Spicha,K (2055)-Kasymov,O (2250) Moscow 1998
Black has a better version of what occurred in the game.}) 13... Rb8 {Black
follows the simple plan of forcing ...b5. If White plays a5, Black will play ..
.b5 (or...b6) anyway opening the b-file.} 14. Be1 {Suddenly White's idea was
clear to me, although this move does not reveal all his secrets. The bishop is
ready to support the e5 thrust with Bg3 or to beome active with Bh4.} b5 {
The only logical follow-up. Black has to create counterplay quickly.} 15. e5 ({
Earlier games have also seen} 15. Bh4 Bf6 16. Bxf6 Nxf6 {Now, White has won
the two games played in this position, but theoretically Black is fine.} ({
Black went on to win after} 16... Qxf6 {but now instead of} 17. axb5 {0-1 (32)
Leruste,G (2127)-Van der Weide,K (2412) Gent 2003} (17. Qd2 $14 {would have
been slightly better})) 17. axb5 (17. e5 $6 {was good for Black after} b4 18.
exf6 bxc3 19. bxc3 Qxf6 $15 {1-0 (53) Moskalenko,V (2505)-Totsky,L (2435)
Moscow 1992}) 17... Nxb5 ({Here} 17... axb5 {looks slightly better, intending .
..b4. After} 18. e5 b4 $15 {we transpose to the line mentioned above with the
inclusion of axb5. Here too Black has the upper hand.}) 18. Bxb5 axb5 19. Re1
Re8 (19... Bb7 $5) 20. e5 b4 21. Na4 dxe5 (21... Nh5 $5 $132 {seems better
when White's knight is still stuck on the edge. White indeed has a strong
centre, but it can quickly be undermined and Black's bishop might eventually
become very strong.}) 22. fxe5 Nxd5 23. Nxc5 Bg4 {1-0 (33) Moskalenko,V (2543)
-Sanz Alonso,F (2400) Andorra 2006 Eventually White went on to win this
unbalanced position.}) 15... dxe5 16. Bh4 $146 {A prepared novelty which was
rather unpleasant to meet when entering a line I had never played before.} ({
An earlier game saw} 16. d6 {which tranposed after} Ne6 17. Bh4 Bf6 $2 (17...
Qe8 {should be played} 18. axb5 axb5 19. fxe5 (19. Be7 b4 20. Nd5 exf4 {
gives Black enough pawns compensation for the exchange. However White can keep
an initiative with} 21. Qd2 {when the exchange doesn't run away. The chances
are pretty balanced.}) 19... Nxe5 20. Be7 Qd7 21. Bxf8 Nxf3+ 22. Bxf3 Kxf8 23.
Bd5 $36) 18. Bxf6 Qxf6 19. Nd5 Qg7 {Now instead of Nxe5 played by Elsness
there followed} 20. axb5 axb5 21. Ra7 (21. Ne7+ Kh8 22. Nxc8 $14) 21... Kh8 22.
Nxe5 Nxe5 23. fxe5 Qxe5 24. Rfxf7 Rxf7 25. Rxf7 Bb7 26. Nf6 Ng5 27. Rxb7 Rxb7
28. d7 Rxd7 29. Nxd7 Qe3+ 30. Kh1 Ne4 31. Qf1 Nf2+ 32. Kg1 {1/2-1/2 (32)
Aleksandrov,A (2510)-Hedman,E (2280) Stockholm 1995}) 16... Bf6 $2 {As my
opponent told me after the game this move was supposed to bring White an edge.}
({The only alternative I considered was} 16... Qe8 {when I didn't like} 17. Ne4
{threatening Nd6. It seems White is better in all lines.} {After} exf4 ({
I also considered} 17... Nxd5 18. Qxd5 Bb7 19. Qd3 c4 20. Qc2 Bxe4 21. Qxe4
exf4 {when Black gets some activity, but thought that after} 22. Qc2 {White
should be better. Anyway this is the top line of my computer engine and here
after} Nc5 {Black might have sufficient compensation for the sacrificed piece.
This definitely needs further proof, but at least it looks like an interesting
battleground for another game.}) ({Another line invented by computers is} 17...
Nb6 {which just looks far too dangerous leaving the dark squares on the
kingside in White's hands. However it should be investigated concretely.} 18.
d6 ({Also interesting is} 18. Nd6 Qd7 19. fxe5 Nbxd5 20. Qd2 {when White has a
fair amount of activity. Here I would prefer} c4 {rather than} (20... Bxe5 21.
Nxe5 Qxd6 22. Bg3 {which looks far too dangerous for Black.})) 18... Ncd5 19.
fxe5 Bxe5 {Although Black wins a pawn and gets some activity, giving up the
dark-squared Benoni bishop is a huge concession as will soon be shown. However
the alternatives are not bright either.} (19... Ne3 20. Qd2 Nxf1 21. Rxf1 $36 {
gives White a very strong initiative which is rather likely to end with a
checkmate on the black king in the near future. White definitely has more than
full compensation for the sacrificed exchange.}) ({After} 19... bxa4 20. Re1 {
White has a firm grip on the position.} Bf5 (20... Bxe5 {is met by} 21. Bc4 $1
Bxb2 22. Bxd5 Bxa1 23. Nf6+ Bxf6 24. Rxe8 Rxe8 25. Bxf6 $14 {White has a
material advantage and chances of creating a mating attack on the kingside.})
21. Nxc5 $14) 20. Nxe5 Qxe5 21. Nf6+ Nxf6 (21... Kg7 22. Bg3 Qe3+ 23. Bf2 Qe5
24. Nxd5 Nxd5 25. d7 Bxd7 26. Bxc5 Kg8 27. Bxf8 Rxf8 28. axb5 axb5 29. Qd2 $14
{gives White an exchange and good winning chances in view of the remaining
pawns on the queenside.}) 22. Bxf6 Qe3+ 23. Rf2 (23. Kh1 Re8 24. Bf3 Bd7 {
seems fine for Black, although White has compensation in view of the pair of
bishops, Black's weakened king and the passed d-pawn.}) 23... Bd7 24. axb5 axb5
25. Ra3 Qe6 26. Qd2 $1 {With this move White can claim a clear advantage.} Nd5
27. Bg4 Qxg4 28. Qxd5 $16) 18. Nd6 Qe3+ 19. Bf2 Qe7 20. Nxc8 Rfxc8 21. d6 {
White wins a piece for a few pawns. However those pawns are not enough to
bring full compensation.} Qd8 22. dxc7 Qxc7 23. axb5 axb5 24. Qc2 $14 {White
has at least a small edge. Black has some material compensation, but no active
play.}) ({However the improvement mentioned} 16... f6 {didn't appeal to me at
all during the game. It also seems to give White an even bigger advantage after
} 17. Nxe5 Nxe5 18. fxe5 g5 19. Bg3 fxe5 20. Rxf8+ Bxf8 ({or} 20... Qxf8 21. d6
$16) 21. Bxe5 Bd6 22. Bxd6 Qxd6 23. Qd2 $16) 17. Bxf6 Qxf6 18. d6 Ne6 ({
I also considered} 18... Ne8 {going for the d6-pawn.Now White should continue}
19. axb5 $1 (19. fxe5 Nxe5 20. Nxe5 Qxe5 21. d7 Bxd7 22. Qxd7 b4 $11 {is fine
for Black, if not better.}) 19... axb5 20. Bxb5 exf4 21. Ra7 Qd8 (21... Rxb5
22. Nxb5 Qxb2 23. Qd3 $14) 22. Bxd7 Bxd7 23. Ne5 $14) 19. Nd5 Qg7 20. Nxe5 (20.
axb5 {1/2-1/2 (32) Aleksandrov,A (2510)-Hedman,E (2280) Stockholm 1995 would
have been stronger entering the aforementioned game}) 20... Nxe5 (20... Nd4 $1
21. Ne7+ Kh8 {would have got Black out of the worst.} 22. N5c6) 21. Ne7+ (21.
fxe5 {was probably the most accurate move order after all, since after} Qxe5
22. Ne7+ Kg7 23. Nc6 Qe3+ 24. Rf2 Rb6 25. Ra3 $14 {having the king on g7
instead of h8 is not such a big advantage, while the game continuation allows
Black other options.}) 21... Kh8 22. fxe5 Qxe5 $2 (22... Nd4 $1 {should be
preferred, when the threat against e5 is hard to deal with for White.} 23. Re1
(23. axb5 Qxe5 $1) (23. Rf6 Qh6 $132 24. Rf2 Qe3 25. Bf3 Qxe5 26. Nc6 Nxc6 27.
Bxc6 Rd8 28. d7 Bb7 29. axb5 axb5 30. Re2 Qf6 31. Bxb5 Bxg2 32. Ra6 Qg5 33.
Rxg2 Qe3+ 34. Rf2 Rxb5 35. Ra8 Rxa8 36. d8=Q+ Rxd8 37. Qxd8+ Kg7 38. Qf6+ Kh6
39. Qh4+ $11) 23... Qxe5 24. Nxc8 Rfxc8 25. Bg4 Qxd6 26. Bxc8 Rxc8 27. axb5
axb5 {Black has enough material for the exchange, but White has some activity.
However Black should hold a draw without too much effort, e.g.} 28. Ra7 Rc7 29.
Rxc7 Qxc7 30. b4 Ne6 31. Qa1+ Kg8 32. Qe5 Qxe5 33. Rxe5 cxb4 34. Rxb5 h5 {
entering a theoretically drawn position.}) 23. Nc6 Qe3+ 24. Kh1 Rb6 25. Ra3 Qh6
$2 (25... Qg5 {was better:} 26. Rg3 Qh6 {when the White rook has no activity
on the a-file. White still has an initiative, but Black's chances to defend
are better than in the game. A possible line is} 27. Ne5 Qg7 28. a5 (28. Re3 f6
29. a5 Rb7 {transposes}) 28... Rb7 (28... Qxe5 $2 29. axb6 Nd4 30. Bg4 $1 f5
31. b4 {breaks open Black's fortress with a clear advantage to White.}) 29. Re3
f6 30. Nc6 $14 Qh6) 26. axb5 $2 {This reduces White's options as he no longer
can play a5.} (26. Bf3 $14 {was the way to go}) 26... axb5 27. Bf3 Nd4 $4 {
This move could have cost Black the game.} (27... Bb7 28. Ne5 b4) (27... Qg5 {
was necessary, intending ...Nd4 when Black seems to hold things level} 28. Re1
Nd4 29. d7 Nxc6 (29... Bxd7 $2 30. Nxd4 Rd6 31. Rd3 $16) 30. Qd6 Rg8 31. Qc7
Bxd7 32. Qxb6 Nd4 33. Rc3 Rc8 34. Bb7 b4 35. Rce3 (35. Rg3 Qd8 $1 $15) 35...
Bc6 $1 36. Bxc6 Rxc6 37. Re8+ Kg7 38. Qb8 Re6 39. R8xe6 Nxe6 40. Qe5+ Qxe5 41.
Rxe5 Kf6 $11 {And Black is doing fine.} (41... c4 42. Rb5 c3 43. Rxb4 cxb2 44.
Rxb2 h5 {once again leads to a theoretically drawn position.})) 28. b4 $4 ({
Missing his opportunity:} 28. d7 $1 Bxd7 29. Nxd4 Rd6 30. Rd3 $18 {when
surprisingly Black loses a piece by force.}) 28... Rxc6 (28... Nxf3 $2 29. Qxf3
Bb7 30. d7 Rxc6 31. Qxf7 Rxf7 32. d8=Q+ Qf8 33. Qxf8+ Rxf8 34. Rxf8+ Kg7 35.
Rb8 Ba6 36. bxc5 Rxc5 37. h3 Rc6 38. Ra8 $16) 29. Bxc6 Nxc6 30. bxc5 (30. d7
Bb7 (30... Bxd7 31. Qxd7 Nxb4 32. Qd6 $16)) 30... Qg5 $6 ({Here Black could
have played for a win with} 30... b4 31. Ra8 Bd7 $15) 31. d7 (31. Ra8 $5 Kg7 (
31... Qxc5 $4 {would be a serious mistake in view of} 32. Rxf7 $3 Rxf7 33. d7 {
when all the lines work in White's direction. The best defence now is} Rxd7 34.
Rxc8+ Rd8 35. Qxd8+ Nxd8 36. Rxc5 {however it ends up in a hopeless position
for Black.}) 32. d7 Bb7 33. Rxf8 Kxf8 34. Qa1 Ke7 35. Qd1 Kf8 36. Qa1 {would
lead to a balanced position with a possible repetition of moves.}) 31... Bxd7
$6 {Ths forces a drawn endgame, but Black could try for more after} (31... Bb7
$1 {when White should be a little bit careful.} 32. Re1 (32. Qd6 Kg8 33. Rd1
Nd8 $15 {would give Black some chances.}) 32... Nd8 33. Ra2 (33. Qd4+ Kg8 34.
Ra2 Ne6) 33... Qxc5 34. Re8 Bc6 35. Rae2 $44 {White has enough counterplay to
keep a draw in view of his activity and the passed d-pawn. If necessary Black
can also exchange down to a slightly worse but theoretically drawn endgame by
sacrificing the d7-pawn.} (35. Rc2 Qb4 36. h3 Kg8 37. Rce2)) 32. Qxd7 Qxc5 33.
Raa1 Ne5 34. Qb7 Ng4 35. Qf3 h5 36. h3 Ne3 37. Rac1 {White decides to force an
exchange of queens, afer which the draw is very close.} Qg5 38. Qf6+ Qxf6 39.
Rxf6 Nc4 40. Rb1 Kg7 41. Rf4 Rd8 {The b-pawn cannot be saved, so Black goes
for active counterplay.} 42. Rxb5 Rd1+ 43. Kh2 Ne3 44. Rb7 Nf5 {This move
keeps the white king in prison.} (44... Nf1+ 45. Kg1 {would only help White.})
45. g4 {other moves could be met by ...h4 with an easy draw.} Rd2+ 46. Kg1 hxg4
47. hxg4 Nh6 48. Ra4 Rd5 49. Kf2 Kf6 50. Rf4+ {(=) White intends to give back
the exchange forcing a simple draw.} Kg5 51. Rbxf7 Nxf7 52. Rxf7 Kxg4 53. Kg2
Rd2+ 54. Kg1 Kg3 55. Rf1 {It's well known that with a g- or b-pawn even the
first rank defence is enough to hold a draw.} g5 56. Ra1 Rg2+ 57. Kh1 Rf2 58.
Kg1 Rg2+ 59. Kh1 Rh2+ 60. Kg1 Rg2+ {(=)} 1/2-1/2

[Event "SWE-ch"]
[Site "Vaxjo"]
[Date "2008.06.29"]
[Round "2"]
[White "Tikkanen, Hans"]
[Black "Berg, Emanuel"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2437"]
[BlackElo "2601"]
[Annotator "Berg,E"]
[PlyCount "70"]
[EventDate "2008.06.28"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "CBM 125"]
[Source "ChessBase"]
[SourceDate "2008.07.30"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 {Since I
started playing the Benoni last summer this was the first game in which I
faced the sharp Pawn Storm System. Well actually, I had played against it once
in a correspondence game by email in 2003, but this was my first encounter
over the board.} Bg7 8. Bb5+ Nfd7 {I think this is a forced move.} (8... Nbd7 {
leads to very complicated play, but is clearly favourable for White.}) ({and} 
8... Bd7 {also favours White.}) 9. Be2 {An interesting move with the idea to
meet ...a6 with a4.} ({After the direct} 9. a4 {Black can exploit the weakened
b4-square by playing ...Na6-b4 later on.}) 9... O-O (9... Qh4+ {is another
option in order to weaken the white kingside. However this loses some time for
Black so I decided that an extra tempo was worth more.}) 10. Nh3 $5 $146 {
A novelty. White's idea is to support e4 by Nf2 and then rush with the h-pawn
to attack the black king.} (10. Nf3 {is the normal move here.}) 10... Na6 {
Black is planning to suport the standard break ...b7-b5 by putting his knight
on c7.} 11. Nf2 Nc7 ({Here} 11... f5 {was another interesting option in order
to break in the centre before White's h-pawn starts going.}) 12. a4 {
Preventing b5 as after} (12. h4 b5 {the pawn is tactically protected by the
queen check on a5.}) 12... a6 13. h4 Rb8 14. h5 (14. a5 {trying to give Black
a weakness on a6 doesn't bother him as he is just happy to get an open b-file
after} b5 15. axb6 {and here} Nb5 $1 16. Nxb5 axb5 17. Bxb5 Qxb6 {gives Black
a lot of counterpaly for the pawn.}) 14... b5 {White does well in not opening
the a-file as it would give the square b5 for the black knight on c7.} 15. Qd3
Re8 {Black puts some pressure on the e-file and also gives a square for his
king on f8 which can be useful later on in case of an exchange on g6 followed
by Qh3.} 16. g4 $6 {White is storming with all his pawns, but now Black gets
enough time to find counterplay.} (16. hxg6 {was more critical for Black.} hxg6
({After} 16... fxg6 {Black's king is rather safe, but White has a strong pawn
centre and after} 17. O-O {I found it hard for Black to find counterplay.
Black has some activity on the queenside, but the knight on c7 doesn't have a
bright future.}) 17. f5 {with a strong attack for White. There might follow} b4
18. Ncd1 (18. fxg6 {doesn't work as after} bxc3 19. gxf7+ Kxf7 {There is no
good way to exploit the open Black king.}) 18... gxf5 19. Qg3 Qf6 20. Rh6 $1
Qe7 21. Rxd6 fxe4 22. Ng4 {and Black is under heavy pressure.}) 16... c4 17.
Qf3 $6 (17. Qh3 {right away looks better.}) 17... Nc5 18. hxg6 hxg6 19. Be3 b4
20. Ncd1 Nb3 ({An interesting aternative was} 20... c3 21. bxc3 bxc3 22. Rc1 (
22. Ra2 $2 {allows} Nxe4 $1 23. Nxe4 Nxd5 24. f5 Nxe3 25. Qxe3 (25. Nxe3 gxf5
26. gxf5 (26. Nxf5 Rb1+ 27. Kf2 (27. Bd1 d5 $19) 27... Rxh1 28. Qxh1 Qb6+ 29.
Kg3 Bxf5 30. gxf5 Qe3+ $19) 26... d5 {and White will have to give back the
piece very soon.}) 25... Bb7 26. fxg6 Rxe4 27. gxf7+ Kxf7 {and Black is
winning.}) 22... Nxa4 $15 {Black is a pawn up and the White attack isn't that
dangerous.} ({Still interesting is} 22... Nxe4 $5 23. Nxe4 Nxd5 ({or} 23...
Bxg4 24. Qxg4 Rxe4 25. Bd3 Qe7 26. Bxe4 Qxe4 27. O-O Nxd5 {with three pawns
and a strong initiative for the Rook.}) 24. f5 Nxe3 25. Nxe3 gxf5 26. Nxf5 Bxf5
27. Qxf5 (27. gxf5 Rb4 $1 28. Nxc3 Qg5 29. Rc2 Bxc3+ 30. Rxc3 Rb2 $17) 27...
Qe7 $36)) 21. Ra2 (21. Rb1 $2 {is bad in view of} c3 22. bxc3 bxc3 23. Bd3 Nxd5
$1 24. Rxb3 (24. exd5 Nd2 $19) 24... Rxb3 25. exd5 Qa5 26. Bc2 Rb2 $1 27. Nxb2
cxb2+ 28. Ke2 Qc3 29. Bd3 Bd4 30. Nd1 (30. Ne4 Bxg4 $1 31. Qxg4 Rxe4 $19) 30...
Qc1 {with a very strong initiative for Black.}) 21... c3 22. bxc3 bxc3 23. Qh3
{There are no real threats along the open h-file.} ({The immediate} 23. f5 {
trying to open up in front of the black king looks more accurate.}) 23... Rb4
$6 {Black targets the e4-pawn and plans to sacrifice an exchange. But this is
a bit slow and gives White time to get counterplay.} ({Instead Black should go
for the interesting piece sacrifice} 23... Nxd5 $1 24. exd5 Qa5 25. Kf1 Qxd5 {
with excellent compensation. Now all the black pieces will take part in the
game.}) 24. Bd3 $2 {A clear failure in time trouble. White should not worry
about protecting the e4-pawn, but go for a straight attack with} (24. Qh7+ Kf8
25. f5 {Black is under heavy pressure and must switch to defence with} g5 26.
Rh5 f6 {A very sad move to play, but after} (26... Bf6) (26... Bf6 {Whie
simply wins with} 27. Rxg5 $1 Bxg5 28. Qh8+ Ke7 29. Bxg5+ Kd7 30. Qg7 $18) 27.
Nxc3 {White is a pawn up and has the upper hand but the position is still very
complex so nothing is yet decided.}) 24... Nxd5 $5 {A good practical sacrifice
which gives Black plenty of counterplay.} 25. exd5 Nc1 26. Rc2 Nxd3+ 27. Nxd3
Rd4 $1 {With this move Black picks up the d5-pawn and then his bishop on c8
will be very strong on the diagonal a8-h1.} 28. N3f2 {This looks a bit passive,
but there is nothing wrong with it.} ({The other option was} 28. Rxc3 {which
is more active and lookx more natural. White has got rid of the c3-pawn and
Black must prove he has compensation. Of course the pair of bishops and the
open white king is something, but he has no material for the piece at the
moment.} {After} Rxd5 $2 {White has} ({Better is} 28... Rde4 {to maintain the
pressure.}) 29. f5 $1 gxf5 30. Kd2 $1 {freeing the bishop on e3 with a very
strong attack along the h-file.}) 28... Rxd5 29. Kf1 $4 {The decisive mistake.
Now Black is allowed to stop all White's hope of an attack and also to start
going with his connected passed pawns.} ({White is doing ok as after} 29. O-O
Qa5 {he has} 30. Nxc3 $1 Bxc3 31. Rfc1 {and the best Black can do is} Rh5 32.
Qf3 Bxg4 33. Nxg4 Bg7 {with two pawns for the piece and reasonable drawing
chances as White doesn't have a safe king.}) 29... Rh5 $1 {This move decides
the game.} 30. Qg2 ({The best chance would be to give up the queen} 30. gxh5
Bxh3+ 31. Rxh3 {when White has rook and two knights for the queen and two
pawns, but after} d5 {followed by ...d4 I doubt that White can hold it in the
long run.}) 30... Rxh1+ 31. Qxh1 d5 {Those two connected pawns in combination
with all Black's active pieces and the vulnerable white king doesn't leave
White with much of a chance.} 32. Qf3 ({White could give back material with} 
32. Nxc3 d4 33. Bxd4 Bxd4 {but because of his strong pair of bishops Black is
much much better, if not simply winning.}) 32... d4 33. Bc1 Qd7 34. Ra2 $4 {
loses on the spot, but practically the game was already over.} ({After} 34. Re2
Qxa4 {Black has a third pawn for the piece and White's pieces don't have much
life.}) 34... Bb7 35. Qd3 Qd5 {In view of the double threat to the rook on a2
and mate on g2 White resigned.} 0-1

[Event "Zonal Randers Final"]
[Site "Randers"]
[Date "1982.01.??"]
[Round "2"]
[White "Borik, Otto"]
[Black "Lobron, Eric"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2360"]
[BlackElo "2440"]
[Annotator "Bulletin"]
[PlyCount "90"]
[EventDate "1982.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[EventCategory "8"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 (8... Nbd7 $2 9. e5) 9. a4 Na6 10. Nf3 Nb4 11. O-O a6 12. Bc4 O-O 13. h3
Qa5 14. Ra3 Qc7 15. Re1 Rb8 16. e5 Nb6 17. b3 Bf5 18. Ne4 dxe5 19. fxe5 Rbd8
20. d6 Qc6 21. Ng3 Bc2 22. Qe2 h6 23. Bd2 Nxc4 24. Qxc4 Qd5 25. Qh4 Nd3 26.
Raa1 Nxe5 27. Rxe5 Bxe5 28. Re1 Bg7 29. Bxh6 Qxd6 30. Kh2 Bxh6 31. Qxh6 Qf6 32.
Re5 b6 33. a5 Rd3 34. Nf5 Rd7 35. Ne3 Bxb3 36. axb6 Be6 37. Rxc5 Rb7 38. Rc6
Rfb8 39. Ng5 Qe5+ 40. g3 Qxe3 41. Qh7+ Kf8 42. Nxe6+ fxe6 43. Qh8+ Kf7 44. Qh7+
Kf6 45. Qh4+ Kg7 0-1

[Event "BCF-ch 79th"]
[Site "Plymouth"]
[Date "1992.??.??"]
[Round "10"]
[White "Kumaran, Dharshan"]
[Black "Howell, James C"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2380"]
[BlackElo "2465"]
[Annotator "Bulletin"]
[PlyCount "81"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CBM 030 Extra"]
[Source "ChessBase"]
[SourceDate "1992.11.01"]
[SourceVersion "1"]
[SourceVersionDate "1992.11.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 Na6 10. Nf3 Nb4 11. O-O O-O 12. Re1 a6 13. Bf1 Re8 14. h3 b6 15. Be3
Nf6 16. Bf2 Nh5 17. g3 Nf6 18. Qd2 Qd7 $6 {[ 18..Bb7 ]} 19. e5 dxe5 20. Nxe5
Qd6 $2 (20... Qf5 $1 21. Rad1 $14 {[ Kumaran ]}) 21. Bg2 Bb7 22. Nc4 Qd8 23.
Rxe8+ Nxe8 24. a5 $1 $16 b5 25. Nb6 c4 $1 {[ The best practical chance
otherwise c5 drops off and with it the whole Black position. ]} 26. Nxa8 Qxa8
27. Nxb5 Nd3 28. Nc3 Nc7 29. Be4 (29. Ra4 $1 {[ Howell ]}) 29... Nxd5 30. Nxd5
Bxd5 31. Bxd3 cxd3 32. Qxd3 Bh1 33. Qf1 Bxb2 34. Rb1 Bc3 35. Bb6 $1 (35. Rb6 $2
Qd5 36. Rxa6 Be4 $13) 35... Qe4 36. Rc1 $1 (36. Rd1 h5 37. Kh2 h4 $1 38. Qxh1
Qe2+) 36... Bd2 37. Rd1 Bc3 38. Rd3 Bf6 39. Kh2 Bg2 40. Qd1 Bh1 41. Rd8+ $1 {
[#]} 1-0

[Event "Frohnleiten"]
[Site "Frohnleiten"]
[Date "1998.04.10"]
[Round "8"]
[White "Freitag, Manfred"]
[Black "Ebner, Hubert"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2385"]
[BlackElo "2300"]
[Annotator "Bulletin"]
[PlyCount "63"]
[EventDate "1998.04.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "AUT"]
[EventCategory "4"]
[SourceTitle "CBM 064 Extra"]
[Source "ChessBase"]
[SourceDate "1998.07.07"]
[SourceVersion "1"]
[SourceVersionDate "1998.07.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. f4 Bg7 8. Bb5+
Nfd7 9. Nf3 O-O 10. O-O a6 11. Bd3 b5 12. Kh1 Nf6 13. Qe1 b4 14. Nd1 Bg4 15.
Qg3 Bxf3 16. Qxf3 Nbd7 17. Ne3 Re8 18. Nc4 Nb6 19. e5 dxe5 20. fxe5 Nxc4 21.
Bxc4 Rxe5 22. Bf4 Rxd5 23. Rad1 Rxd1 24. Rxd1 Qe8 25. Qb7 Rd8 26. Qxf7+ (26.
Bxf7+ Kh8 $17) 26... Kh8 27. Qxe8+ Rxe8 28. g3 Ng4 29. Rd5 Bd4 30. Bxa6 Re1+
31. Kg2 {[#]} Ne3+ 32. Bxe3 1/2-1/2

[Event "DEN-ch76 Mesterskabet"]
[Site "Naestved"]
[Date "1985.04.05"]
[Round "8"]
[White "Brinck Claussen, Bjorn"]
[Black "Pedersen, Erik"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2380"]
[BlackElo "2395"]
[Annotator "ChessBase"]
[PlyCount "49"]
[EventDate "1985.03.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "DEN"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. Be2 {[#]} a6 (9... Qh4+ 10. g3 Qe7 11. Nf3 $14 Bxc3+ $2 (11... O-O) 12.
bxc3 Qxe4 13. O-O O-O 14. c4 $16) (9... O-O 10. Nf3 Re8 11. O-O Bxc3 12. bxc3
Rxe4 13. Bd3 Re8 14. c4 $16) 10. a4 $14 Qh4+ 11. g3 Qd8 (11... Qe7) 12. Nf3 O-O
13. O-O Re8 14. Nd2 Nf6 15. Bf3 Nbd7 {[#]} 16. Qb3 $14 (16. g4) 16... Rb8 (
16... c4 $1 17. Nxc4 Nc5 18. Qc2 Bh3 19. Re1 Ng4) 17. Nc4 $16 b5 18. axb5 axb5
19. Nxd6 b4 $2 (19... c4) 20. Na4 $18 Ba6 21. Nxe8 Nxe8 22. Re1 c4 23. Qd1 Bb5
24. e5 Bxa4 25. Qxa4 1-0

[Event "WchT 4th"]
[Site "Luzern"]
[Date "1997.10.25"]
[Round "1.1"]
[White "Chiburdanidze, Maia"]
[Black "Kotsur, Pavel"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2525"]
[BlackElo "2500"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "1997.10.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 062"]
[Source "ChessBase"]
[SourceDate "1998.01.31"]
[SourceVersion "1"]
[SourceVersionDate "1998.01.31"]
[SourceQuality "1"]
[WhiteTeam "Georgia (w)"]
[BlackTeam "Kazakhstan"]
[WhiteTeamCountry "GEO"]
[BlackTeamCountry "KAZ"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bxd7 Bxd7 13. f5 gxf5 14. Bg5 f6 15.
Bf4 Ne8 16. Qc2 fxe4 17. Nxe4 Bf5 18. Nh4 Bg6 19. Ra3 Qe7 20. Nxg6 hxg6 21. Rg3
f5 22. Ng5 Nc7 23. h4 Rfe8 24. h5 Qe2 25. Qxe2 Rxe2 26. Bxd6 Nxd5 27. Nf3 Re6
28. Rxg6 Rxg6 29. hxg6 c4 30. Be5 Re8 31. Bxg7 Kxg7 32. Nh4 f4 33. Rd1 Nf6 34.
Rc1 Ng4 35. g3 fxg3 36. Kg2 Re2+ $4 (36... Re4 $142 $15) 37. Kf3 Rxb2 38. Kxg4
g2 39. Kg5 Rf2 40. Rg1 c3 41. Nxg2 1-0

[Event "Dubai op 16th"]
[Site "Dubai"]
[Date "2014.04.14"]
[Round "8"]
[White "Edouard, Romain"]
[Black "Ismagambetov, Anuar"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2670"]
[BlackElo "2493"]
[Annotator "Edouard,R"]
[PlyCount "61"]
[EventDate "2014.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UAE"]
[SourceTitle "CBM 160"]
[Source "ChessBase"]
[SourceDate "2014.05.15"]
[SourceVersion "1"]
[SourceVersionDate "2014.05.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. Nf3 $5 {A quite fashionable line nowadays, whereas before White always
chose 9.a4.} O-O 10. O-O a6 11. Bd3 b5 12. Kh1 c4 $6 (12... Re8 {is the main
line.}) 13. Bc2 Nc5 14. f5 ({Here it is known that} 14. Be3 Nbd7 15. Bd4 {
is better for White. However, while preparing for the game it looked to me
like the "usual attack" with f5 and Bg5 was difficult for play for Black and I
decided to go for it even here.}) 14... Nbd7 15. Bg5 Bf6 16. Qd2 Ra7 $6 (16...
Ne5 {was the most natural move, and one critical game went:} 17. Bxf6 Qxf6 18.
Nxe5 Qxe5 19. Qh6 Qg7 20. Qh4 Re8 21. Rae1 g5 22. Qg3 Re5 23. Ne2 $14 {1-0 (40)
Moiseenko,A (2712)-Yilmaz,M (2557) Yerevan ARM 2014}) 17. b4 $1 Nd3 $8 (17...
cxb3 $6 {would be even worse, as} 18. axb3 {(attacking b5)} Rc7 19. b4 Bxc3 $2
{would fail to} 20. Bxd8 $18) 18. Bxf6 Qxf6 19. Bxd3 cxd3 20. Qxd3 Rc7 21. Ne2
Ne5 22. Nxe5 Qxe5 {Actually Black has quite a good setup and it is not so easy
for White to cash in on the extra pawn.} 23. Nd4 $5 (23. Ng3 {was of course
possible but I considered it too passive somehow.}) 23... Rc4 24. Rad1 (24. Nc6
$6 {was my initial idea when I went 23.Nd4 but all of a sudden I realised that}
Qxe4 25. Qg3 Bxf5 26. Rxf5 {fails to} Rxc6 $1 {and Black should hold.}) 24...
Re8 (24... Bd7 25. Qd2 $14) 25. fxg6 $2 (25. Qd2 {After taking on g6 I
regretted very much that I didn't go} Bd7 {, but it is anyway not that clear:}
26. f6 Qh5 27. Qf4 h6 $1 28. Qxd6 $140 Bg4 $132) 25... hxg6 26. Qf3 Rf8 $1 (
26... Qg7 27. a3 $14) (26... f5 $2 27. exf5 Rxd4 $2 28. fxg6 $18) 27. Nc6 {
There is nothing better to do!} Qxe4 28. Qg3 Rc2 $4 {A huge blunder.} (28...
Qg4 $1 29. Qxd6 Rc2 {would have been fine for Black.}) 29. Rd4 $1 {All of a
sudden all the black pieces have to go back and I get a winning degree of
coordination.} Qe2 30. Rdf4 $1 Rd2 $6 (30... Rc4 31. R4f2 $18) 31. Qg5 1-0

[Event "EU-chT (Men) 20th"]
[Site "Reykjavik"]
[Date "2015.11.13"]
[Round "1.3"]
[White "Edouard, Romain"]
[Black "Hillarp Persson, Tiger"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2632"]
[BlackElo "2539"]
[Annotator "Edouard,R"]
[PlyCount "65"]
[EventDate "2015.11.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 170"]
[Source "ChessBase"]
[SourceDate "2016.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2016.01.15"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "SWE"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. Nf3 $5 {A quite fashionable line, that I have played many times over
recent years.} a6 10. Bd3 b5 11. O-O O-O 12. Kh1 Re8 (12... Nb6 $5 {is another
critical move.}) 13. a3 Ra7 $5 {A smart waiting move. White wants to go f5 and
Bg5 but should wait for the black knight to move from d7. In many lines Black
tries to lift his rook from a8 to e7, but two moves often happen to be too
slow. Now only one more move will be needed while here White has no useful
move.} ({Until now everybody had played} 13... c4 {but after} 14. Bc2 Nc5 15.
f5 Nbd7 16. Bg5 Bf6 17. h4 {Black very often had a tough time!}) (13... Nf6 {
has been tried in 2015 but after} 14. e5 dxe5 15. fxe5 Nxd5 16. Be4 Nxc3 17.
Qxd8 Rxd8 18. Bxa8 Na4 19. Ng5 {1-0 (39) Jankovic,A (2534)-Bosiocic,M (2553)
Opatija CRO 2015, White got a nice advantage.}) 14. Qe1 (14. f5 Ne5 15. Bg5 Bf6
{is just fine for Black, who had time to put a knight on e5.}) 14... Nf6 $6 (
14... f5 {looked dangerous for Black to me but may also be fine:} 15. Ng5 Nf8
16. Qg3 h6 (16... Rae7 $5) 17. exf5 (17. Ne6 Nxe6 18. dxe6 Qf6 $132) 17... hxg5
18. fxg6 Nbd7 $13) 15. Qh4 Ng4 $6 ({The surprising move} 15... h6 $1 {with the
simple idea to meet f5 with ...g5 would have given Black a very decent game!})
(15... Rae7 16. e5 dxe5 17. fxe5 Nxd5 18. Bg5 $40) (15... b4 16. axb4 cxb4 17.
Na4 Rae7 18. e5 Nxd5 19. Bc4 {looked great for White to me, but after} dxe5 20.
fxe5 Bxe5 21. Bg5 f6 22. Bh6 Kh8 {Black may be fine.}) 16. Qg3 f5 (16... Nd7 $5
17. Qxg4 (17. Bc2 Ndf6 18. h3 b4 $132) (17. e5 $6 dxe5 18. Qxg4 e4 $40) 17...
Ne5 18. Qxc8 Qxc8 19. fxe5 dxe5 20. Be3 $44) 17. Ng5 (17. exf5 $5 gxf5 18. Bd2
$14) 17... Qf6 $2 (17... Nh6 $1 {would keep Black in the game} 18. Bd2 $14) 18.
h3 Nh6 19. e5 $1 {A typical blow. Now Black is lost.} dxe5 20. fxe5 Rxe5 21.
Nge4 $1 $18 Qe7 (21... Qb6 22. Bxh6 $18) 22. Bg5 fxe4 (22... Qe8 23. Nd6 $18) (
22... Qc7 23. d6 Qc6 24. Bxh6 $18) 23. Bxe7 Raxe7 24. Nxe4 c4 25. Nd6 Bxh3 (
25... Bd7 26. Bc2 $18) 26. gxh3 cxd3 27. Rac1 Nd7 28. Rc8+ Nf8 29. Qf3 Rf5 (
29... Nf5 30. Nxf5 Rxf5 31. Qxd3 $18) 30. Nxf5 Nxf5 31. d6 Rd7 32. Qd5+ Kh8 33.
Rxf5 1-0

[Event "Match/Nation DDR-HUN (4-4) (5-3)"]
[Site "Zinnowitz"]
[Date "1980.10.14"]
[Round "1.3"]
[White "Lukacs, Peter"]
[Black "Boensch, Uwe"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2405"]
[BlackElo "2450"]
[Annotator "Gagarin,V"]
[PlyCount "127"]
[EventDate "1980.10.14"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "DDR"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. Bd3 O-O 10. Nf3 Na6 11. O-O Nc7 12. a4 b6 $6 (12... Na6 $6 13. Be3 $1
Nb4 14. Be2 Re8 15. Bf2 a6 16. Kh1 Qc7 17. Nd2 Nf6 18. Bg3 Bd7 19. Bf3 h5 20.
e5 $16 {Portisch,L-Garcia,S/Madrid/1973/1:0/55/}) (12... Nf6 $6 13. Bc4 $1 {
/\ e5} (13. h3 Re8 14. Nd2 Rb8 15. Nc4 b6 16. Qf3 Ba6 17. Kh1 Qd7 18. Bd2 $14)
13... Bg4 14. h3 Bxf3 15. Qxf3 Nd7 16. Ra2 $5 a6 17. Qd3 Rb8 18. b3 Qf6 19. e5
$16 {Timman,J-Masic,L/Sombor/1974/1:0/40/}) (12... Rb8 13. Nd2 (13. Be3 $5) (
13. Qe1 a6 14. e5 {- 12...a6}) (13. Kh1) 13... Nf6 14. Nc4 b6 15. Bd2 a6 $1 16.
Be1 $1 Bg4 $14 {Farago,I-Honfi,K/Kecskemet/1979/1:0/44/}) (12... a6 13. Qe1 (
13. Be3 $5 Rb8 14. Bf2 Nf6 $6 (14... b5 15. Bh4 Bf6 $10 {Kapengut}) 15. Bh4 Qd7
16. Qd2 b5 17. axb5 axb5 18. Bxf6 Bxf6 19. e5 $16 {Vaganian,R-Hausner,I/Athens/
1971/}) (13. Nd2 Nf6 $1 14. h3 Rb8 15. a5 Re8 $1 16. Nc4 Nb5 17. Re1 Nh5 $132 {
Lukacs,P-Maus,So/Budapest/1990/0:1/34/}) (13. h3) (13. Kh1 Rb8 14. f5 $36)
13... Rb8 14. e5 Nb6 15. f5 $1 $36 {Gulko,B-Savon,V/Lvov/1978/1:0/24/}) (12...
Re8 13. h3 Na6 14. Re1 Nb4 15. Bf1 a6 16. Be3 f5 17. Ng5 Nf8 18. e5 h6 $13 {
Lukacs,P-Sapi/HUN/1977/}) 13. Nd2 (13. Kh1 Rb8 (13... Ba6 14. f5 $5 {
Kondratiev,Stoliar}) 14. Nb5 $5 Nxb5 15. axb5 $14 {Wade,R-Tomson/ENG/1961/}) (
13. Qe2 Re8 14. Be3 Nf6 15. h3 Nfxd5 16. exd5 Bd4 $17 {Kapengut}) (13. Re1 Re8
$14) 13... Nf6 (13... Ba6 14. Nb5 $14 (14. Nc4 $14)) 14. h3 Re8 15. Nc4 Ba6 16.
Qf3 Qe7 $1 17. e5 $8 (17. Re1 $2 Nfxd5 $1 $17) 17... Bxc4 $1 18. Bxc4 (18. exf6
$2 Qxf6 19. Bxc4 Qd4+ $17) 18... dxe5 19. Qd1 $5 Qd8 $2 (19... Rad8 $1 20. fxe5
Nfxd5 $1 (20... Qxe5 $2 21. Bf4 Qe7 (21... Qd4+ $2 22. Qxd4 cxd4 23. Bxc7 dxc3
24. Bxd8 cxb2 25. Bxf6 $18) 22. d6 Qf8 23. Qb3 $16) 21. Qb3 (21. Bxd5 Nxd5 22.
Nxd5 Qxe5 $17) (21. Nxd5 Qxe5 $13) 21... Qxe5 22. Kh1 $44) 20. fxe5 $1 (20. d6
Ne6 21. fxe5 Nd7 $13) 20... Rxe5 (20... Nd7 21. e6 $1 fxe6 22. dxe6 Nxe6 23.
Qb3 Qe7 24. Bg5 $1 Qd6 25. Nb5 Qe5 26. Rae1 $18) 21. Bf4 Re8 22. Qd2 $16 {
^^ o^d} Kh8 23. Rae1 Nh5 24. Bh2 (24. Bxc7 $6 Qxc7 25. d6 $2 Bd4+ $1) 24...
Rxe1 25. Qxe1 Ne8 26. Bb5 $1 (26. Rxf7 $6 Nd6 27. Bxd6 Qxd6 $14) 26... Nd6 27.
Bc6 Rc8 28. Nb5 $1 Nxb5 29. axb5 f5 30. d6 $18 Qg5 31. d7 Rf8 32. Bd6 Rg8 33.
Qe8 Nf6 34. d8=Q (34. Re1 $2 {/\ d8Q} Nxe8 35. dxe8=Q Bd4+ $1 36. Kh1 Rxe8 37.
Rxe8+ Kg7 $17) (34. Bf4 $18) 34... Rxe8 35. Bxe8 Qe3+ 36. Kh1 Qxe8 (36... Nxe8
37. Be7 $18) 37. Qxe8+ Nxe8 38. Bb8 Bxb2 39. Bxa7 (39. Re1 Nf6 40. Bxa7 Nd5 41.
Re6 c4 (41... Nc7 42. Rxb6 c4 43. Rb8+ Kg7 44. Rb7 $18) 42. Bxb6 c3 43. Bd4+
$18) 39... Nd6 40. Bxb6 Bc3 (40... Bd4 41. Rb1 $18) (40... Nxb5 $4 41. Rb1 $18)
41. Bxc5 $2 (41. Rb1 $1 $18) 41... Nxb5 42. Rb1 Nd4 43. Bb4 Bxb4 44. Rxb4 Ne6
45. Rb7 $1 Kg8 46. Kg1 Ng5 47. Kf2 Nf7 48. Ke3 Kg7 49. Kd4 Kf6 50. h4 h5 (50...
h6 51. Kd5 g5 (51... f4 52. Ra7 g5 53. h5 $1 Ne5 54. Ke4 $1 $18 {/\ Ra6}) 52.
Rb6+ Kg7 53. Ke6 $1 {/\ Rb7} Kg6 54. h5+ $1 $18) (50... Kg7 51. Kd5 Kf6 52.
Rb6+ Kg7 53. Ke6 Nd8+ 54. Ke7 Nf7 55. Rb7 Nh6 56. Ke6+ Kg8 57. Kf6 Ng4+ 58. Kg5
Ne5 59. h5 $18) 51. Rb6+ Kg7 52. Kd5 Nh6 53. Ke5 Ng4+ (53... Nf7+ 54. Ke6 Nh6
55. Rb7+ Kg8 56. Kf6 $18) 54. Kf4 (54. Ke6 $18) 54... Nh6 55. Ke5 Ng4+ 56. Ke6
Kg8 57. Rb7 Kf8 58. Rb8+ Kg7 59. g3 $1 {(.)} Nf2 (59... Kh6 60. Rb7 Nf2 61. Kf7
Kh7 62. Rb6 Ng4 63. Re6 Nh6+ 64. Kf6 Ng4+ 65. Kg5 $18) 60. Rb7+ Kh6 (60... Kg8
61. Kf6 $18) 61. Kf7 Ng4 (61... Kh7 62. Kf8+ Kh6 (62... Kh8 63. Rg7 $18) 63.
Kg8 $18) 62. Rb6 Ne5+ (62... Kh7 63. Re6 Nh6+ 64. Kf6 Ng4+ 65. Kg5 $18) 63. Kg8
Ng4 64. Re6 1-0

[Event "Syre Memorial op 36th"]
[Site "Issy les Moulineaux"]
[Date "2013.05.12"]
[Round "7"]
[White "Brunner, Nicolas"]
[Black "Hummel, Erik Jan"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2412"]
[BlackElo "2307"]
[Annotator "Hummel,EJ/Primel,D"]
[PlyCount "109"]
[EventDate "2013.05.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 {Une ligne
agressive pour jouer pour le gain dans cette dernière ronde et obtenir un prix
} Bg7 8. Bb5+ (8. e5 $5) 8... Nfd7 9. Bd3 (9. a4 Qh4+ (9... O-O 10. Nf3 Na6 (
10... Re8 11. O-O a6 12. Bd3 Nf6) 11. O-O Nc7 (11... Nb4 12. Be3 a6 13. Bc4 Rb8
{Zaitsev,A-Gufeld,E Maroczy Memorial 1970 (13) 1-0} (13... Nb6 14. Be2 Bg4))))
(9. Nf3 {[%csl Gh4]} O-O 10. O-O (10. a4 Na6 (10... a6 11. Bd3 $14)) 10... a6
11. Bd3 b5) 9... O-O (9... Qh4+ 10. g3 Qe7 11. Nf3 $14) 10. Nf3 Na6 (10... a6
11. a4 $14) (10... Nf6 11. O-O a6 12. a4 Bg4 13. h3 Bxf3 14. Qxf3 Nbd7 15. Bd2
Re8 {Williams,A (2405)-Mecking,H (2615) Nice ol (Men) qual-A 1974 (5) 1/2}) 11.
O-O Re8 (11... Nc7) (11... Rb8 12. Be3 (12. Nd2 b5 13. Nxb5 c4 14. Nxc4 Rxb5
15. Nxd6 Rb4 $13 {Thorbergsson,F-Tringov,G Reykjavik 1974 0-1})) 12. Re1 (12.
Nd2 $5 {[%cal Gd2e4,Gd2c4]} Nc7 (12... Nf6 13. Qf3 Ng4 14. Ne2 f5 $132 {
Van Tilbury,C-Shamkovich,L USA 1978 0-1}) 13. Nc4 $14 {[%csl Rd6];Tal,
M-Contedini,E Leipzig ol (Men) qual-B 1960 (6) 1-0}) (12. Qe1) 12... Nb6 {
[%cal Gc5c4,Ga6c5,Gb6d5]} 13. h3 (13. Be3 c4) 13... c4 14. Bb1 (14. Bf1 {
Plus naturel mais le MI veut surprotéger le P"e4"} Nc5 15. e5 (15. Kh2 {
[%cal Gc1e3]} Bd7 16. e5 a6 (16... Bf5 17. g4) 17. Be3 $36 {[%cal Ge5d6,Ge3c5]}
) 15... Bf5 $132) 14... Nd7 $146 (14... Nc5 {[%cal Gc5d3,Gc5e4]} 15. Bc2 Bxc3
16. bxc3 f5 17. e5 dxe5 18. Rxe5 Rxe5 19. Nxe5 Qxd5 20. Be3 Ncd7 21. Nf3 Nf6
22. Bd4 Nh5 23. Qd2 Qd6 24. Re1 Be6 25. Qe3 Bd7 26. Be5 Qe7 27. Qf2 Re8 28. Bd4
Qd8 29. Ne5 Nd5 30. g3 Qc7 31. Bd1 Nhf6 32. Bf3 b5 33. Kh2 a5 34. a3 Rd8 35.
Nxd7 Qxd7 36. Be5 Kf7 37. Bg2 Ne4 38. Bxe4 fxe4 39. Rxe4 Ne7 40. Rd4 Qc8 41. g4
Rxd4 {1/2-1/2 (41) Andriuschenko,N (2491)-Degterev,P (2545) ICCF email 2008})
15. Be3 Nac5 16. Bc2 a6 (16... Bxc3 $6 17. bxc3 Nxe4 18. Bd4 {[%csl Rg8]} Ndc5
19. Nd2 $44) 17. Bd4 Bh6 $6 {[%csl Rg8] Risqué car le K Noir est trés exposé
} 18. f5 Bf4 19. Rf1 Qc7 (19... b5 20. Nh2 Be5 21. Ng4 Bxd4+ 22. Qxd4 Ne5 23.
Nxe5 Rxe5 24. Rae1 $32 {[%csl Ra8,Rc8]}) 20. Nd2 Bh6 21. Nxc4 b5 22. Ne3 (22.
fxg6 $5 hxg6 23. Qf3 {[%csl Rf7]} Rf8 24. Ne3) 22... b4 $6 23. Ng4 $40 {
Gagnant un nouveau tempo sur le B} Bg7 24. Bxg7 Kxg7 25. Qd4+ $2 (25. Qd2 $8
$18 {[%cal Gd2h6] Hummel}) (25. Qf3 $6 Ne5 {[%cal Gc7f7]}) 25... Ne5 26. Nd1
Qa7 $1 {[%cal Ga7g1]} 27. Ndf2 Ncd7 $1 {[%cal Gd7e5,Ga7d4]} 28. Qxb4 Nxg4 29.
hxg4 Ne5 {[%csl Ge5] Sans B de cases Noires, il sera difficile pour les Blancs
de déloger ce fort Ne5 et les Noirs peuvent peut-être sauver la nulle
malgré les faiblesses de l'aile-roi} 30. Ba4 (30. Qxd6 $18 {Hummel}) 30... Rd8
31. Qc3 {[%cal Gc3g7]} a5 {[%cal Gc8a6]} 32. Bb5 Rb8 (32... Ba6 $6 33. Bxa6
Qxa6 34. f6+ $1 Kxf6 35. Nd3+) (32... Kg8 $5 {[%cal Ge5g4]}) 33. a4 Bd7 34.
Bxd7 Rxd7 35. g5 (35. Kh2 Rc7) 35... Rc7 36. Qh3 (36. f6+ Kg8 37. Qh3 h5 $13)
36... h5 $1 37. gxh6+ Kh7 38. fxg6+ fxg6 39. Kh2 Rxb2 {[%csl Gb2]} 40. Ng4
Nxg4+ 41. Qxg4 Rcc2 $132 {[%csl Gb2,Gc2,Rh2] L'attaque Blanche a échoué et
ils doivent maintenant lutter pour la nulle} 42. Rg1 Qe3 43. Qd7+ Kxh6 44. Raf1
Qxe4 45. Qh3+ Kg7 46. Qd7+ Kh6 47. Qh3+ Kg7 48. Rf3 Qe5+ 49. Rg3 Rf2 50. Qg4
Rf6 51. Rf1 Rb7 $4 52. Rxf6 Qxf6 53. Re3 Rb4 54. Qd7+ Kh6 55. Rh3+ 1/2-1/2

[Event "Dos Hermanas op 3rd"]
[Site "Dos Hermanas"]
[Date "2002.04.13"]
[Round "9"]
[White "Komljenovic, Davorin"]
[Black "Cheparinov, Ivan"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2505"]
[BlackElo "2450"]
[Annotator "Kapengut"]
[PlyCount "56"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nbd7 {During the whole history of this variant traditionally considered
dangerous for black, this more natural move than Nfd7 caused some interest,
however always was considered unsufficient for achievement of the equil
chances. The practice of the last years introduces corrective amendments to
this valuation.} 9. e5 dxe5 10. fxe5 Nh5 11. e6 Qh4+ 12. g3 Nxg3 13. hxg3 Qxh1
14. Be3 Bxc3+ $5 {Only this idea can apply for attention. About 20 years ago,
when I wrote 3 volumes about " Modern Benoni " for Rudi Schmaus, I analyzed
this variant in details, but, to my regret,this analysis was not published.}
15. bxc3 a6 16. exd7+ Bxd7 17. Bxd7+ Kxd7 {[%csl Rb7,Rc3,Rd5,Rd7,Re1,Rf7,Rg3] 
[#]} 18. Kf1 $6 $146 {A wrong novelty in a position, considered double-edged
until now. The right way after 18.Qb3 was demonstrated in the game Lautier,J -
Degraeve,JM/Clichy 2001(look below).} (18. Qg4+ f5 19. Qg5 (19. Qf3) 19... Qe4
(19... Qg2 20. O-O-O Qxa2 21. Bxc5 Rae8 22. Qf6 Kc8 23. Qb6 Qa1+ 24. Kd2 Qa4
25. d6 Qd7 26. Rb1 $36 {comet-wb-wcrafty-15_18/TERRY 1998}) 20. O-O-O h6 21.
Qf4 b6 22. Qxe4 fxe4 23. Ne2 g5 24. c4 Rhf8 25. Kd2 Rf6 $132 {[%csl Rb6,Re4]
[%cal Ga8f8,Gf8f1] Marine,S-Tremblay,LG/Compuserve email 1996}) (18. Qa4+ b5
19. Qg4+ $5 (19. Qf4 Rhe8 $1 20. O-O-O Qe4 21. Bxc5 (21. Qxe4 $6 Rxe4 22. Bf4
f6 23. Kc2 h5 24. Bc1 Rae8 25. Nh3 g5 $17 {[%csl Rh3][%cal Ge8e1] Davidson,
R-Thomas,M/CServe email 1998}) 21... Qxf4+ 22. gxf4 Rac8 23. Bd4 Re4 24. Nf3 (
24. Be5 f6 $1 {[%csl Rf4]} 25. Bxf6 Rxf4 26. Bd4 Rf5 {Crouch-Schabalow, Bern
1992} 27. Nh3 Rxd5 28. Nf4 Rd6 $17 {[%csl Rc1,Gg6,Gh7][%cal Gb5b4]}) 24... Rxf4
25. Ne5+ Kd6 26. Nc6 Re4 27. Bg1 f5 (27... Re2 $1 $17 {[%cal Ge2a2,Gc8c1,Gb5b4]
Shabalov,A}) 28. Kc2 h5 29. Kb3 f4 $17 {[%csl Gf4,Gg6,Gh5] Remlinger,
L-Shabalov,A/Las Vegas op (06)/1993/}) 19... f5 20. Qf3 Qxf3 21. Nxf3 Rhe8 22.
Kf2 Re4 23. Ng5 (23. Bxc5 Rae8 24. Ng5 Re2+ 25. Kf3 Rd2 26. Nxh7 Rd3+ 27. Kf2
Rd2+ 28. Kf1 Kc8 29. a4 Rh8 $14 {[%csl Rd5,Rf1,Rg6]}) 23... Rc4 24. Nxh7 Rh8
25. Rh1 Kc8 26. d6 Rxc3 27. d7+ Kxd7 28. Nf6+ Ke6 29. Rxh8 Kxf6 30. Rc8 Rc2+
31. Kf3 Rxa2 32. Rxc5 $14 {Remlinger,L-Brownescombe,T/San Mateo/1994/}) (18.
Qf3 Qxf3 19. Nxf3 Rhe8 (19... Rae8 20. Kf2 (20. Kd2 $5) 20... Re4 $5 21. Bxc5
Rhe8 {-19...Rhe8}) (19... Kd6 20. c4 f6 $14) 20. Kf2 (20. Kd2 c4 21. Rh1 Kd6
22. Rxh7 Re7 23. Bg5 Rd7 24. Rh4 b5 25. Rd4 f6 26. Bxf6 Rf8 27. Be5+ Kc5 28.
Rf4 Rxf4 29. gxf4 Rxd5+ 30. Bd4+ $16 {[%csl Gd4,Rg6] Mohd,F-Dowden,R/Auckland
1997}) 20... Kd6 $6 (20... Re4 21. Bxc5 (21. Ng5 Re5 {/\} 22. Nxf7 $2 Rf5+ $19)
(21. Nd2 Rg4 22. Bf4 g5 23. Ne4 $1 gxf4 24. Nf6+ Kd6 25. Nxg4 fxg3+ 26. Kf3
Kxd5 $15 {[%csl Rc3,Gf7,Gh7] Anderson,S-Dejmek,M/Dallas Pinfork op 1996}) 21...
Rae8 22. Nd4 $5 {/\Rb1+/=} (22. Re1 $6 Rxe1 23. Nxe1 b6 $1 24. Bd4 (24. Bxb6
Kd6 25. Nc2 Kxd5 26. Ne3+ Ke4 27. a4 f5 28. a5 h5 29. c4 Kd3 30. Kf3 Re4 31.
Ng2 g5 32. c5 Re2 33. c6 g4+ 34. Kf4 Rxg2 $19 {Thuesen,M - de Firmian,N/ Farum
1993}) 24... Kd6 25. c4 Rc8 26. Bxb6 Rxc4 27. a3 Kxd5 28. Bd8 Ke4 $17 {[%csl
Ra3,Gc4] Krachler,G-Shabalov,A/ Werfen 1990}) (22. Ng5 R4e5 23. Nxh7 Rf5+ 24.
Kg1 Rc8 $5 (24... Rh8 $6 25. Nf8+ Kc8 26. Rd1 $16) (24... Ree5 25. Bd4 $16 {
[%csl Re5,Gh7][%cal Gh7f6]}) 25. Bd4 Kd6 26. Nf6 Rc4 27. Rd1 Rxd4 28. Ne8+ Ke7
29. Rxd4 Kxe8 30. c4 Rf3 $15 {[%csl Ra2,Gd5,Rg3]}) 22... R4e5 (22... R8e5 23.
c4 b5 24. Kf3 Re3+ 25. Kg2 $13) 23. c4 b5 $5 (23... Rc8 24. Nb3 b6 25. Bxb6
Rxc4 26. Nc5+ Kd6 27. Nxa6 $14 {[%csl Ga2]}) 24. Rb1 $5 bxc4 25. Rb7+ Kc8 26.
Ra7 Rxd5 27. Bb6 $132 {[%csl Ra6,Ga7,Gb6,Rc4,Rc8,Gd4,Rf7]}) (20... Rac8 21. a4
$1 $36 {[%csl Rb7,Gd5][%cal Ga4a5,Ga1b1,Gb1b7] /\a5,Rb1}) 21. c4 (21. Rd1 f6
22. Bf4+ Kd7 23. Rb1 b5 24. a4 g5 25. Be3 Kd6 26. axb5 Kxd5 27. bxa6 Rxa6 28.
Rb5 Rc6 29. Nd2 $14 {[%csl Rc5] Ewald,A-Grafl,F/Bad Zwesten 2001}) 21... f6 (
21... b5 22. Bf4+ Kd7 23. Ne5+ $16 {[%csl Rb5,Rc5,Gd5,Rd7,Ge5,Rf7] Ftacnik,L})
22. Rb1 $2 (22. a4 $1 {/\ a5} b5 $8 23. Nd2 $16 {[%csl Rc5,Gd2] Ftacnik,L})
22... b5 $8 23. Nd2 $1 (23. cxb5 $6 axb5 24. Rxb5 Rxa2+ 25. Nd2 Kxd5 (25... c4
$6 26. Kf3 $16) 26. Rxc5+ Kd6 27. Rc3 $11) (23. Bf4+ Kd7 24. Nd2 g5 25. Be3 Kd6
{-23.Nd2}) 23... g5 (23... bxc4 $6 24. Nxc4+ Kxd5 25. Nb6+ Kc6 26. Nxa8 Rxa8
27. Rc1 $16) 24. Kf3 Rad8 {/\ bc4 Illescas Cordoba,M-Topalov,V/ Alcobendas m/
1994/} 25. Ne4+ $5 Ke5 (25... Rxe4 26. Kxe4 Re8+ 27. Kf3 bxc4 28. Rb6+ Kxd5 29.
Rxf6 c3 30. Rf5+ $16) 26. Nxc5 (26. Bxc5 $2 g4+ 27. Ke3 bxc4 $17) 26... bxc4
27. Nxa6 Rc8 28. Nb4 c3 $13 {Illescas Cordoba,M}) (18. Qb3 {[%csl Rb7,Rf7]
White's K is safer, there is still a possibility of castling. so White keeps
the Queens on and plays for the attack, which quickly proves to be very strong.
This move combines attack with quick removal of the K from the fire zone.
Black's chances are quite poor. Stohl,I} b5 (18... Kc8 19. O-O-O $16 {Ftacnik,L
}) 19. O-O-O (19. Bxc5 Rac8 20. Bf2 Rhe8+ 21. Kf1 Rc4 $36 {[%csl Rb3,Gc4,Ge8,
Rf1,Gh1] Ftacnik,L}) 19... Rhe8 (19... c4 $2 20. Qb4 Rhc8 21. Bg5 $18) (19...
Rac8 $2 20. d6 $1 (20. Bf4 $5) (20. Qa3 Qe4 21. Bxc5 $16) 20... c4 21. Qc2 Rhe8
22. Qf2 f5 23. Nf3 $18) (19... Qg2 $2 20. Bxc5 Qxg3 21. Rf1 f5 22. Nf3 Rhe8 23.
d6 Re6 24. Qd5 Rb8 25. Ba7 Rd8 26. Qb7+ Ke8 27. d7+ Kf7 28. Qd5 Qf4+ 29. Kb2 h6
30. Bb6 $18 {Anderson,S-Dejmek,M/Houston op 1999}) (19... Rhc8 20. Qa3 Qe4 21.
Bxc5 Qc4 22. Bd4 (22. Bb4 $5) 22... b4 23. Qa4+ Qb5 $16 {Black must try to get
the Q off to survive for a while, even if it costs him a pawn.}) (19... Qe4 $5
20. Bxc5 Rhc8 (20... Qc4 21. Qxc4 bxc4 22. Nf3 Rhe8 23. Ng5 Re2 24. Rd2 Re1+
25. Kb2 Rb8+ 26. Ka3 Rb5 27. Bb4 Re3 28. Nxh7 Rxg3 29. Nf6+ $16 {[%csl Gb4,Gd2,
Gd5,Gf6] Zerm,A-Dejmek,M/Dallas Pinfork op 1996}) 21. Bd4 (21. Qb4 $6 Qxb4 22.
cxb4 a5 23. a3 axb4 24. axb4 Ra2 25. Nf3 Re8 {0-1 Ponting,A-Kinkelin,C/IECG
email 1999}) 21... Rc4 22. Kb2 Qg2+ 23. Ka1 Re8 24. Qb2 Qxg3 25. Ne2 Qf3 26.
Re1 (26. Rd2 $4 Rxe2 27. Rxe2 Qf1+ $19 {Asgeirsson,H-Bjornsson,B/VISA GP
Reykjavik 1998}) 26... Qxd5 $17 {[%csl Gc4,Gd5,Re1,Ge8,Gf7,Gg6,Gh7][%cal Ge8e1]
}) 20. Bxc5 $5 (20. Bf4 Qh5 (20... Qg2 21. Qa3 Rec8 22. Qa5 g5 $5 23. Bxg5 Qxg3
24. Bd2 Re8 25. Rf1 Qg6 26. Bf4 Rac8 27. Nf3 Qf6 28. Nd2 Re2 29. d6 Rc6 30. Bg3
Qg7 31. Bh4 Qg8 32. Be7 b4 33. Nc4 Qg3 34. Qd8+ Ke6 35. Qh8 Re1+ 36. Rxe1+
Qxe1+ 37. Kb2 Qe2+ 38. Kb3 Qd1+ 39. Kb2 $11 {[%csl Rb2,Gd6,Re6] Pyrich,
G-Brooks,I/corr Pelikan mem-A 1998}) 21. d6 c4 22. Qa3 a5 23. Qb2 Rab8 24. Qf2
Rb7 25. Re1 Qd5 26. Rxe8 Kxe8 27. Qe3+ Qe6 28. Qxe6+ fxe6 29. Nf3 Kd7 30. Ng5
h6 31. Nf7 g5 32. Be5 b4 33. Nxh6 Rb5 34. Ng4 Kc6 35. Kc2 Rd5 $132 {[%csl Gd5,
Gd6] Compagnie,L-Obers,F/Nederland tt 1996}) 20... Qg2 $1 {As against the
considered below game Sokolov, I-Topalov, V/Wijk 1996/ black do not weaken
pown a6. White is difficult to create real threats.} (20... Rac8 $6 21. Bd4 Qg2
$6 (21... Re4 22. Kb1 $16) (21... Rc4 22. Ne2 (22. Qc2 $140 $4 Rxd4 $19) 22...
Qf3 23. Nf4 Qxg3 (23... Re4 $140 $6 24. Nd3 $1) 24. Nd3 Re2 $132 {[%csl Rc1,
Gc4,Ge2,Gg3]}) 22. Qa3 $1 Qxg3 (22... Ra8 23. Qc5 $1 Rec8 24. Qb6 {/\ Qb7+-}
Qxg3 25. Qf6 Qd6 26. Qxf7+ Qe7 $14) 23. Qxa6 $18 {With black K on g8 the
second player would be quite comfortable, but on d7 his fate is sealed.} Rxc3+
(23... Qg5+ 24. Kc2 (24. Kb2 $2 Qxd5) 24... Qg2+ (24... Qf5+ 25. Rd3 $18) 25.
Rd2 Qf1 26. Ne2 $18 {Ftacnik,L}) 24. Kb2 $18 {Now Black's K is helpless in the
middle. '! '} (24. Bxc3 $2 Qxc3+ 25. Kb1 Qb4+ 26. Kc2 Qc4+ $11) (24. Kb1 $1 Re1
(24... Qg4 25. Qxb5+ $18) (24... Rb3+ 25. Ka1 $18 {Ftacnik}) 25. Qxb5+ Kc8 26.
Qa6+ Kd7 27. Qb5+ Kd6 28. Qb8+ Kd7 29. Qb5+ Kd6 30. Bc5+ Rxc5 31. Qb8+ Kd7 32.
Qxg3 Rxd1+ 33. Kb2 Rdxd5 $16 {Ragnarsson,J-Gudmundsson,K/Reykjavik ISL 2002})
24... Rcc8 25. Qxb5+ Kd6 (25... Ke7 26. d6+ $1 Qxd6 27. Re1+ Kf8 28. Rxe8+ Rxe8
29. Bc5 $18) (25... Kc7 26. Qc6+) 26. Ka1 $1 {The difference between the
fortunes of the two K can hardly be more striking.Sokolov,I.} (26. Bc5+ $2 Rxc5
27. Qb6+ Kd7 28. Qxc5 Qh2+ $1 29. Ka1 Qe5+) 26... Qa3 (26... Re1 $2 27. Qb4+
$18) (26... h5 27. Bc5+ $1 Rxc5 28. Qb6+ $18) 27. Bb2 $1 $18 {Sokolov,
I-Topalov,V/Wijk 1996/CBM 51/[Stohl]}) 21. d6 Re6 22. Nh3 Qxh3 23. Qd5 Rb8 24.
Ba7 Qh6+ 25. Kb1 (25. Kb2 Qf8 26. Bxb8 Qxb8 27. g4 h6 28. Qf3 Rxd6 29. Qxf7+
Kc6 30. Qf3+ Kb6 31. Qe3+ Ka5 32. Rxd6 Qxd6 33. Qxh6 Ka4 $15 {Berkley
Stephen-Fernandez Gerardo/TH-M-422.2 1999}) 25... Qf8 26. g4 $1 {[%csl Gd6,Rd7]
White doesn't have to take on b8 immediately and can make a useful positional
move first. Stohl,I} ({There was unnoticed the women game Cuevas Rodriguez,
M-Eriksson,I/Erevan olw 1996 , where for the first time there was this idea.} 
26. Bxb8 $6 Qxb8 27. g4 Rxd6 28. Qxf7+ Kc6 29. Rxd6+ Qxd6 30. Qxh7 Qd1+ 31. Kb2
Qxg4 $17) 26... Qe8 $6 {The mistake, which results in equality..} (26... b4 $6
27. Bxb8 Qxb8 28. c4 b3 29. c5 bxa2+ 30. Ka1 Qh8+ 31. Rd4 $18) ({It was
necessary to play} 26... h6 $5 27. Bxb8 Qxb8 28. Qf3 Rxd6 29. Qxf7+ Kc6 30.
Qf3+ Kb6 31. Qe3+ Ka5 32. Rh1 g5 $17) 27. Bxb8 Qxb8 28. Rf1 Qxd6 29. Rxf7+ Ke8
{1/2-1/2 Lautier,J-Degraeve,J/Clichy 2001}) 18... Rhe8 19. Bxc5 $6 (19. Qb3 b5
20. Bxc5 Re5 21. Rd1 Rc8 22. Bf2 Rc4 $132 {[%csl Gc4,Ge5,Rf1,Gh1]}) 19... Re5
20. c4 Qe4 21. Qb3 (21. Nf3 $6 Qxc4+ 22. Kg2 Re2+ 23. Bf2 Rae8 $36 {[%csl Gc4,
Ge2,Ge8,Rg2]}) 21... b5 $1 22. cxb5 $4 (22. Nf3 $8 Rf5 23. Kg2 Rc8 $17 {
[%csl Rc4]}) 22... Rf5+ 23. Bf2 Qd4 $19 {[%csl Ra1,Rf2]} 24. Nf3 Qxa1+ 25. Kg2
Rh5 26. Nh4 Qe5 27. bxa6 Qxd5+ 28. Qxd5+ Rxd5 0-1

[Event "Candidates sf2"]
[Site "Dortmund"]
[Date "2002.07.13"]
[Round "1"]
[White "Bareev, Evgeny"]
[Black "Topalov, Veselin"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2726"]
[BlackElo "2745"]
[Annotator "Kapengut"]
[PlyCount "92"]
[EventDate "2002.07.13"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "CBM 090"]
[Source "ChessBase"]
[SourceDate "2002.09.20"]
[SourceVersion "1"]
[SourceVersionDate "2002.09.20"]
[SourceQuality "1"]

1. d4 {Ftacnik} Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7
8. Bb5+ Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nb4 {Since Alexander Zaitzev had
begun to play 9.a4, black tried to put knight on b4, but it is usual remained
outside of the game. In this game Topalov has proved a converse.} 12. h3 (12.
Bd2) (12. f5) (12. Kh1) (12. Be3) (12. Re1 $5) 12... a6 13. Bc4 {[#]} (13. Be2
Re8 14. Re1 $6 (14. Be3 Nf6 {*} 15. e5 dxe5 16. Bxc5 Nfxd5 $1 $15) 14... f5 $1
15. exf5 gxf5 16. Bc4 Nb6 (16... Rxe1+ 17. Nxe1 Bd4+ 18. Kh1 Qf6 19. Bd2 Nb6
$15) 17. Rxe8+ Qxe8 18. Bf1 Bd7 19. a5 Nc8 20. Bd2 b5 21. Qb3 h6 22. Na2 Nxa2
23. Qxa2 Ne7 24. Bc3 Qf7 25. Rd1 Re8 26. Kh2 Bc6 27. Bxg7 Kxg7 28. b4 Bxd5 $17
{Hort,V-Panno,O/Madrid 1973}) 13... f5 $1 $146 {[%csl Re4,Re6][%cal Gd7b6,
Gc8f5,Gf3g5,Gg5e6,Ge4e5] Important novelty in a well-known position. This is
one of the main ideas solving the central problems in the Benoni. I think,
this move will have a bright future.} (13... Nf6 $6 14. Re1 $5 (14. Be3 $6 {*}
Nxe4 $5 (14... Re8 $6 15. e5 $1 {[%csl Rf7][%cal Gc4g8,Gf1f7]} Nd7 16. Ng5 h6
17. Ne6 $1 fxe6 18. dxe6 Kh7 19. exd6 $1 Bd4 20. Bxd4 cxd4 21. Ne4 b5 22. f5 $1
{1-0 Van der Peut,A-Houtman,A/cr NLD/M73 1979}) 15. Nxe4 Re8 16. Ne5 $1 dxe5 $5
(16... b6 $6 17. Ng5 dxe5 (17... f6 $5 18. Ne6 Bxe6 19. dxe6 d5 20. Nc6 $1 {
[%csl Rd5]} Nxc6 21. Bxd5 $1 Qc7 22. f5 $16) 18. fxe5 Bh6 {Soos,B-Povah,N/
Birmingham 1977/Inf 23/136} 19. e6 $1 $18) 17. Bxc5 exf4 18. Rxf4 (18. Nd6 $140
$6 Bf8 $1) 18... g5 $5 (18... Be5 $6 19. Rf2 Bf5 20. Bxb4 Bxe4 21. d6 $1 Kh8
22. Bxf7 $18 {De Grott,A-Gouma,R/NLD-ch H corr 1987}) 19. Nd6 gxf4 20. Nxe8
Qxe8 21. Qe1 $5 Qxe1+ 22. Rxe1 Bd7 23. Bxb4 Bxa4 24. d6 Re8 $15) 14... Nd7 (
14... b6 $6 15. e5 Ne8 16. Be3 Ra7 17. Bf2 Bh6 18. Bh4 f6 19. exf6 (19. Ne4
Bxf4 20. Nxf6+ Nxf6 21. Bxf6 Rxf6 $5 22. exf6 Rf7 $14 {[%csl Re6][%cal Ge1e8]})
19... Nxf6 20. Ne4 Bg7 21. Ne5 $5 (21. Ra3 h6 22. g4 Raf7 23. Ne5 dxe5 24. fxe5
g5 25. exf6 gxh4 26. fxg7 Rxg7 27. Rae3 h5 28. g5 b5 $132 {[%csl Rg5,Rh3][%cal
Gg7g2] Santolini,L-Rupeni,F/corr 1993}) 21... Qc7 (21... dxe5 $140 $6 22. fxe5
$18) 22. Nc6 $1 Nxe4 23. Rxe4 $16) 15. Be3 Qc7 (15... Rb8 16. Qd2 Nb6 17. Bf1
Re8 18. a5 $5 (18. Rad1 $6 Bd7 19. Ra1 Qc7 20. e5 $6 Bf5 21. g4 Bc2 22. e6 Bb3
$1 23. a5 N6xd5 24. exf7+ Qxf7 25. Ng5 Qd7 26. Nxd5 Bxd5 27. Bg2 Bxg2 28. Kxg2
Qc6+ $17 {[%cal Gd6d5,Gb8d8] Tuzan,O-Doghri,N/Moscow 1990}) 18... Na8 19. e5 $1
Nc7 20. Ne4 dxe5 21. d6 $16) 16. Bf2 Nb6 (16... Rb8 17. Rc1 Bh6 18. Bg3 Qa5 19.
Ra1 Nb6 20. Bf1 c4 21. f5 $5 Qc5+ 22. Qd4 $1 Qxd4+ 23. Nxd4 Bg7 24. Nf3 Nc2 25.
Bxd6 $16 {Profit,B-Zendrowski,J/ 1993}) 17. Bf1 Re8 18. Qd2 Rb8 19. Rac1 Bd7
20. b3 Nc8 21. e5 $5 b5 $5 22. axb5 Qb7 23. bxa6 Nxa6 24. Ne4 Bf5 25. Nf6+ (25.
Neg5 Ra8) 25... Bxf6 26. exf6 Nb6 27. g4 Be4 28. f5 $1 Nd7 29. Bh4 Kh8 30. Qh6
Rg8 31. Bxa6 Qxd5 32. Ng5 Nxf6 33. Bc4 {1-0 Oei,I-Michaud,P/Avoine 1992}) (
13... Qa5 {[%cal Gb7b5] /\b5} 14. Ra3 (14. Bd2 $5 Nb6 $5 15. b3 Re8 $132 16.
Re1 $140 $6 Nxc4 17. bxc4 Nd3 $17 {[%csl Rc3,Re1,Re4][%cal Gg7a1]}) 14... Qc7
15. Re1 Rb8 16. e5 $5 Nb6 17. b3 (17. Bf1 $6 Bf5 $132 {[%cal Gb4c2]}) 17... Bf5
18. Ne4 dxe5 (18... Bxe4 $5 {[%csl Rd5]} 19. Rxe4 dxe5 20. fxe5 N6xd5 $5 21.
Bxd5 $140 Rbd8 $36) 19. fxe5 Rbd8 20. d6 Qc6 21. Ng3 Bc2 22. Qe2 h6 (22... Nxc4
23. Qxc4 Bd3 24. Qg4 Nc2 25. Rd1 c4 $1 $17 {[%csl Ra3][%cal Gc6c5,Gc5g1,Gc5a3]}
) 23. Bd2 Nxc4 24. Qxc4 Qd5 25. Qh4 Nd3 $36 {[%csl Re1,Re5] Borik,O-Lobron,E/
Randers 1982}) (13... Rb8 14. Be3 {*} Re8 (14... b5 $5) 15. Bf2 b5 (15... Nb6
16. Be2 Na8 $16) 16. axb5 Nb6 17. Be2 axb5 18. Bh4 Bf6 19. Bxf6 Qxf6 20. Bxb5
Bd7 21. Bxd7 Nxd7 22. Qd2 $1 (22. Ra7) 22... c4 23. e5 $1 $16 {Zaitsev,
A-Gufeld,E/Debrecen 1970/Inf 10/137}) (13... Re8 14. Re1 Rb8 (14... Nb6 15. Bf1
a5 $5 $132 {[%csl Gb4,Rd5][%cal Gc5c4]}) (14... Bd4+ $6 15. Nxd4 cxd4 16. Na2
Nxa2 17. Rxa2 Qh4 18. b3 f5 19. e5 $1 $16 {[%csl Ra8,Rc8] Meyer,H-Einarsson,H/
Reykjavik 1984}) (14... b6 $6 15. Be3 Qc7 16. Bf2 Rb8 17. Bg3 b5 $6 18. axb5
Nb6 19. Bf1 c4 20. Bf2 Nd7 21. Qa4 Nd3 22. Bxd3 cxd3 {Gravel,S-Hua,L/Quebec
1999} 23. bxa6 Rxb2 24. Nb5 Rxb5 25. Qxb5 Bxa1 26. Rxa1 $18) (14... Nf8 $6 {
[%csl Rf8]} 15. Be3 Rb8 16. e5 $1 Bf5 17. Rc1 Qd7 18. a5 (18. g4 $5 {[%csl Rf5]
} b5 19. Be2 Bxg4 $5 20. hxg4 Qxg4+ 21. Kf2 dxe5 22. Nxe5 Qh4+ 23. Kg2 Rxe5 $5
24. fxe5 (24. Rh1 $140 $6 Qxh1+ $1 $36) 24... Bxe5 25. Bf3 Qg3+ 26. Kf1 Nd3 $5
$44 {[%csl Rc1,Re1,Rf1,Rf3]}) 18... Rbc8 19. Bf2 (19. g4 $5 {[%csl Rf5]} Bxg4
20. hxg4 Qxg4+ 21. Kf2 dxe5 22. Rg1 Qh3 23. Rg3 $16) 19... Qd8 20. g4 Bd7 21.
Ne4 dxe5 22. fxe5 Qxa5 23. Nd6 $18 {Rodriguez,O-Rohde,M/Alicante 1978}) 15. Be3
b5 (15... b6 16. Bf2 Bb7 17. Qd2 Ba8 18. Re2 f6 19. Rae1 h6 20. g4 g5 21. Bg3
Nf8 22. e5 $5 $36 {[%csl Ge4,Rg8][%cal Gc4g8,Gd2h6] Kordts,W-Weinmann,S/Bayern
2000}) 16. axb5 axb5 17. Bf1 c4 18. Bf2 Na6 19. Nd4 Bxd4 20. Bxd4 Nac5 {
A complicated tactical position arise after} 21. e5 $5 dxe5 22. fxe5 Nb3 {
[%csl Ra1,Rd4]} 23. e6 $5 fxe6 24. dxe6 Nf6 $5 (24... Nf8 $6 25. Ba7 Bxe6 $5
26. Bxb8 Qb6+ 27. Kh1 Nxa1 28. Nd5 $1 {[%csl Re8][%cal Gd5f6,Gd5b6]} Qxb8 29.
Nf6+ Kf7 30. Nxe8 Qxe8 31. Qf3+ Kg7 32. Rxa1 $16 {Cebalo,M-Godena,M/Caorle 1984
}) 25. Nxb5 $5 {[%csl Rb3][%cal Gb3g8]} (25. Ba7 $140 $6 Bxe6 26. Bxb8 Qb6+ 27.
Kh1 Rxb8 $44) 25... Rxb5 26. Bxf6 Qxf6 27. Bxc4 Nd4 $5 (27... Nxa1 $140 $2 28.
Bxb5 Rd8 29. Qxd8+ $1 Qxd8 30. e7 Qb6+ 31. Kh1 Qxb5 32. e8=Q+ Qxe8 33. Rxe8+
Kg7 34. Rxc8 $18) 28. Re4 Bxe6 29. Rxe6 Rxe6 30. Ra8+ Kg7 31. Bxe6 Nxe6 32.
Qd7+ Kh6 33. Qxb5 Nc7 34. Qa5 Nxa8 35. Qxa8 Qxb2 $11) 14. Ng5 ({It is the most
basic typical central breakthrough here!} 14. e5 $5 dxe5 $1 (14... Nb6 $6 15.
b3 $16) 15. d6+ Kh8 16. Ng5 (16. fxe5 Nxe5 17. Nxe5 Bxe5 18. Bh6 Bd4+ 19. Kh1
Qxd6 $1 $44) 16... e4 17. Ne6 Qf6 18. Nxf8 Nxf8 $44 {[%csl Rb2,Rd6][%cal Gf6d4]
}) 14... Nb6 15. Bb3 (15. Be2 a5 $5 {[%csl Gb4][%cal Gc5c4]} (15... h6 $140 $6
16. Ne6 Bxe6 17. dxe6 fxe4 18. a5 $1 $16 {[%csl Rb6,Ge6][%cal Ge2c4,Ga2g8]}))
15... a5 $1 {Black strengthen the square b4. This is the ideal set-up of the
knights, but it is nonstandart way for Modern Benoni.} 16. Be3 (16. Ne6 $140 $2
Bxe6 17. dxe6 c4 18. Bc2 d5 $5 $15 {[%csl Re6]}) 16... fxe4 $5 (16... c4 $5 {
[%csl Gd3]} 17. Bc2 Re8 18. Re1 Bd7 $132) 17. Kh1 (17. Qd2 $140 $6 c4 {[%csl
Gd3,Rd5]} 18. Bc2 Bxc3 19. bxc3 Nxc2 20. Qxc2 Nxd5 21. Qxe4 Nxe3 22. Qxe3 Bf5
$15 {[%cal Gf5d3]}) (17. Qe2 $140 $6 c4 $1 18. Bxc4 Nxc4 19. Qxc4 Nc2 $17 {
[%csl Ra1,Re3]}) (17. Ncxe4 $5 c4 $1 (17... Bxb2 $140 $6 18. Nxc5 $1 dxc5 19.
Bxc5 $36 {[%cal Gc5f8,Gc5b6,Gd5d6,Gb3g8]})) 17... Nd3 $1 {[%csl Rb2]} 18. Qd2
Re8 19. Rab1 {'?!' Ftacnik.} (19. Ngxe4 $140 $6 Nxb2 $17) (19. Ncxe4 $5 Nxb2
20. Rac1 N6xa4 (20... Bf5 $140 $6 21. Nxc5 $1 dxc5 22. Bxc5 $36 {[%csl Gf7]
[%cal Gd5d6,Gb3g8,Gg5f7]}) (20... N2xa4 {Ftacnik} 21. Ne6 Bxe6 22. dxe6 d5 $17)
21. Ne6 Qb6 $13) 19... Bf5 20. g4 h6 $1 21. gxf5 (21. Ne6 $140 $2 Bxe6 22. dxe6
d5 23. f5 Qh4 24. Qg2 d4 $17 {[%csl Gc5,Gd4,Ge4,Rh1][%cal Ga8d8]}) (21. Ngxe4
$140 $2 Bxe4+ 22. Nxe4 Qe7 23. Qxd3 Qxe4+ 24. Qxe4 Rxe4 $17 {[%csl Ra4,Rd5,Re3,
Rf4]}) 21... hxg5 22. fxg5 gxf5 $36 23. Rxf5 {'?' Ftacnik. Ftacnik: 'Very
tempting move destroying black's pawn structure, but attacking concept
starting with 23.Qe2! seems much more promising.'} (23. Qe2 $1 {Ftacnik} Qd7
24. Qh5 Rf8 (24... Rac8 $2 {Ftacnik} 25. g6 Bd4 26. Bxd4 cxd4 27. Nb5 Nc5 28.
Nxd6 $1 Nxb3 29. g7 Qxd6 30. Rxf5 $18) 25. g6 Be5 26. Bh6 c4 27. Bc2 $13) 23...
Qd7 24. Rbf1 Re5 $1 {[%csl Rh3][%cal Gd7h3]} 25. Rf7 (25. Nxe4 Rxf5 26. Qxd3
$140 $2 c4 $1 $19 {[%csl Re3,Rh3]}) 25... Qxh3+ 26. Qh2 (26. Kg1 $140 $2 Rxg5+
$1 27. Bxg5 Bd4+ $19) 26... Qxh2+ 27. Kxh2 Rf8 $1 $15 28. Rxf8+ Bxf8 29. Rf6 $5
c4 (29... Nxb2 $140 $6 30. Bf4 (30. Bxc5 $6 dxc5 31. Rxb6 e3 $1 $19) 30... Re8
31. Bxd6 Bg7 32. Re6 $1 $13) 30. Bd1 (30. Ba2 $5 {[%csl Rd6][%cal Ga2g8]} Nd7
31. Re6 $5 Nxb2 (31... Rxe6 $6 32. dxe6 N7e5 {/\Ng4} 33. Kg3 Be7 34. Nxe4 Nxb2
35. Nf6+ Kf8 36. Nd7+ Ke8 37. Nxe5 dxe5 38. Kg4 $14) 32. Bd4 e3 $1 (32... Rxg5
$6 33. Nxe4 Rxd5 34. Bxb2 $1 Kf7 35. Bxc4 Kxe6 36. Nc3 $1 (36. Ng5+ $6 Kf5 37.
Bxd5 Kxg5 38. Bxb7 $15) 36... Nb6 37. Bb3 $16 Bh6 $140 $6 38. Kg3 Bd2 39. Nxd5
Nxd5 40. Kf3 $18) 33. Bxe5 Nxe5 34. Kg3 e2 35. Nxe2 (35. Kf2 $140 $2 Nd1+ $19)
35... Nxa4 36. Re8 b5 37. Ra8 b4 38. Rxa5 Nc5 $44 {[%csl Ra2,Gb4,Gc4,Gc5,Ge5,
Gf8]}) 30... Nd7 31. Rg6+ (31. Re6 N7c5 32. Rxe5 dxe5 33. Bg4 Nxb2 34. Bxc5
Bxc5 35. Nxe4 Bb4 36. Be6+ (36. d6 $6 Nxa4 37. d7 Be7 38. Be6+ Kg7 39. Bxc4 Nb2
$17) 36... Kf8 37. d6 Nxa4 38. Bxc4 Nc5 $1 $17) 31... Kh7 32. Re6 N7c5 33. Rf6
$6 $17 {'?' Ftacnik. Ftacnik: 'The final mistake, as all white's pawns are
weak and counterplay remains a distant dream.'} (33. Rxe5 $5 dxe5 (33... Nxe5
$2 {Ftacnik} 34. Bxc5 dxc5 35. Nxe4 $16) 34. Kg3 (34. Bh5 Nxb2 35. Be8 $1 $15)
34... Nxb2 (34... Kg6 35. Kh4 Nxb2 36. Bh5+ Kg7 37. Be8 $44) 35. Bc2 Ncd3 36.
Nxe4 Nb4 37. Bc1 N2d3 38. Bxd3 Nxd3 39. Bd2 $44 {[%csl Ra5,Gd5,Gg5]}) 33... Kg8
$6 (33... Be7 $1 34. Rh6+ Kg8 35. g6 Bg5 $19) 34. Bh5 Be7 35. Rh6 Kf8 36. Rh8+
(36. Bd4 $5 Bxg5 $1 (36... Rxg5 $140 $6 37. Rh8+ Rg8 38. Rh7 $11) 37. Rh8+ (37.
Bxe5 Bxh6 38. Bxd6+ Kg7 {/\Bc1} 39. Be2 Bd2 $1 $19 {[%csl Ra4]}) 37... Kg7 38.
Bxe5+ Nxe5 39. Re8 Bc1 40. Nb5 Ned3 $1 41. Kg1 (41. Nxd6 $140 $4 Bf4+ $19)
41... Bf4 $19 {[%csl Rb2,Ge4]}) 36... Kg7 37. Re8 Bxg5 $1 $19 38. Rxe5 Bxe3 $1
39. Re7+ Kf6 40. Rf7+ Kg5 41. Bd1 Bd4 42. Kg2 Nxb2 43. Nb5 Be5 44. Bc2 Nbd3 45.
Kf1 Nb4 46. Bb1 Nxd5 0-1

[Event "Zagreb/ Rijeka"]
[Site "Zagreb/ Rijeka"]
[Date "1985.04.24"]
[Round "4"]
[White "Hulak, Krunoslav"]
[Black "Lobron, Eric"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2450"]
[BlackElo "2505"]
[Annotator "Kharitonov,A"]
[PlyCount "87"]
[EventDate "1985.04.21"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CRO"]
[EventCategory "11"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 (9. Bd3 Qh4+ 10. g3 Qe7 11. Nf3 O-O 12. O-O Nb6 13. Kg2 Bg4 14. h3
Bxf3+ 15. Qxf3 N8d7 $13 {Lukacs,P-Psakhis,L/Saraevo/1981/0:1/31/}) 9... a6 (
9... Na6 10. Nf3 Nb4 11. O-O a6 12. Bxd7+ $1 Bxd7 13. f5 O-O 14. Bg5 $36 {
Kasparov,G-Nunn,J/Luzern ol/1982/1:0/21/}) 10. Be2 (10. Bd3 O-O 11. Nf3 Nf6 12.
O-O Bg4 13. h3 Bxf3 14. Qxf3 Nbd7 $13) 10... Qh4+ $5 (10... O-O 11. Nf3 Re8 12.
O-O (12. Nd2 Bd4 $1) 12... Bxc3 13. bxc3 Rxe4 14. Bd3 Re8 15. f5 $44) 11. g3
Qd8 (11... Qe7 12. Nf3 (12. Bf3 f5 13. Nge2 Nf6 $13)) 12. Nf3 O-O 13. O-O Re8
14. Nd2 Nf6 (14... Bd4+ $6 15. Kg2 Nf6 16. Bf3 Qd7 (16... Nbd7 17. Re1 $16) 17.
Kh1 (17. Nc4 $2 Qh3+ 18. Kh1 Ng4 19. Bxg4 (19. Qe2 Nxh2 $19) 19... Bxg4 20. Qe1
Bxc3 21. bxc3 Rxe4 $19) 17... Qh3 18. Bg2 Qh6 19. f5 $1 $16) 15. Bf3 Bh3 16.
Re1 Nbd7 17. Nc4 Nb6 (17... Qc7 $2 18. e5 dxe5 19. d6 Qc8 20. fxe5 $18) 18. Ne3
h5 (18... Qc7 19. g4 $5) 19. Qd3 (19. a5 Nbd7 20. Nc4 b5 21. axb6 Nxb6 $132)
19... Rb8 20. Bd2 Nc8 $6 (20... Nbd7 21. a5 (21. Nc4 Nb6 22. b3 Ng4 $13) 21...
Ng4 22. Nxg4 Bxg4 23. Bxg4 hxg4 $132) 21. Rab1 Na7 (21... Qd7 22. b4 cxb4 23.
Rxb4 Ng4 24. Reb1 $16) 22. b4 $1 cxb4 23. Rxb4 Nd7 24. Qb1 Nc5 $13 (24... Qc7
25. Rc1 Nc5 26. Nc4 Rbd8) 25. Nc4 a5 (25... Qc7 $5) (25... Bd4+ $5 26. Kh1 Qf6
27. Qc2 Rbd8 28. Ne2 Bf2 $5 29. Reb1 b5 $13) 26. Rb6 Nc8 (26... Bd4+ 27. Kh1
Nd3 $2 28. Qxd3 Bxb6 29. Nxb6 Qxb6 30. Be3 $18) 27. Rb5 Bd4+ 28. Kh1 Bd7 (28...
b6 $2 29. Nxa5) (28... Bxc3 $2 29. Bxc3 Nxa4 30. Bxa5 $16) 29. Rxa5 b6 30. Rb5
Qf6 $2 (30... Bxb5 31. Nxb5 Bg7 32. Bb4 Ra8 33. Qc2 Qd7 $13) 31. Qc2 Nxa4 $2 (
31... Bxb5 32. Nxb5 Re7 33. Bg2 $16) 32. e5 $1 dxe5 33. Ne4 Qf5 34. Qxa4 exf4
35. Qb3 $18 (35. gxf4 $18) 35... fxg3 (35... Bxb5 36. Qxb5 Na7 37. Qb3 Qxd5 38.
Nf6+ $18) 36. Nxg3 Rxe1+ 37. Bxe1 Qf4 (37... Qf6 38. Ne4 Qe7 39. Bc3 $18) 38.
Ne2 Qf6 39. Nxd4 Qxd4 40. Rb4 Ra8 41. Qc3 Qxc3 (41... Qc5 42. Nxb6) 42. Bxc3 b5
43. Ne5 Ra3 (43... Be8 44. d6 Ra7 45. Bd4 $18) 44. Bb2 (44. Bb2 Ra7 45. Nxd7
Rxd7 46. Rxb5 $18) 1-0

[Event "FIDE World Cup 5-6"]
[Site "Khanty-Mansiysk"]
[Date "2005.12.17"]
[Round "7.4"]
[White "Bareev, Evgeny"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2675"]
[BlackElo "2717"]
[Annotator "Marin,M"]
[PlyCount "121"]
[EventDate "2005.11.27"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "CBM 111"]
[Source "ChessBase"]
[SourceDate "2006.04.04"]
[SourceVersion "1"]
[SourceVersionDate "2006.04.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 {Apart from a
couple of games played almost two decades ago, the Benoni has never been seen
in Gelfand's games as Black. His opening choice in the present game was most
likely motivated byt the necessity of playing for a win at any cost in order
to equalise the score.} 7. f4 Bg7 8. Bb5+ {This is one of Bareev's pet systems
and probably the most aggressive way to face the Benoni.} Nfd7 9. a4 Qh4+ 10.
g3 Qd8 $5 {A paradoxical move. After having provoked the weakening move g3, it
looks more normal to retreat with the queen to e7 (which is more popular,
indeed). However, there are several systems where the queen is well developed
on its initial square. In this concrete case, Black aims to keep the d5-pawn
under indirect pressure, in order to discourage an early pawn break in the
centre based on e5.} 11. Nf3 O-O 12. O-O a6 {WHite has now a choice of
principle about where to retreat with his bishop.} 13. Bc4 {This move
overdefends the d5-pawn in order to discourage the return of the knight to f6
in view of e5.} ({The main alternative is} 13. Bd3 {when Black answers} Nf6 {
, of course.} 14. Re1 (14. Kg2 Bg4 15. h3 Bxf3+ 16. Qxf3 Nbd7 {leads to a
normal position for Black.} 17. Be3 Qa5 18. Rae1 Rae8 19. Re2 Qb4 20. Bc1 {
1/2-1/2 Timoschenko,G-Pigusov,E}) 14... Bg4 15. Be2 Nfd7 $6 {This new loss of
time does not entirely justify itself.} (15... Re8 $142 $1 {/\Nbd7} 16. e5 dxe5
17. fxe5 Nfd7 $13 {White has several ways to complicate the game, but the
position is double edged.}) 16. Nd2 $6 {But now, Black gets sufficient
counterplay, WHite should generelly try to preserve his king's bishop, in
order to defend the light squares better.} (16. Bf1 $1 {/\h3 would win a tempo
over Krush-Christiansen, see below.}) 16... Bxe2 17. Rxe2 Re8 18. Nc4 Nb6 19.
Na3 Bd4+ 20. Kh1 N8d7 21. Qd3 Nf6 22. a5 Nbd7 23. Nc2 Bxc3 24. bxc3 c4 25. Qxc4
Rc8 $15 {The weakness of the light squares from White's camp is obvious. 0-1
Palo,D (2325)-De Firmian,N (2552)/Copenhagen 2001/CBM 083 ext (63)}) 13... Nb6
{This is the only way to continue the development without allowing e4-e5.
However, the knight will be unstable on b6, which will recquire from Black a
very careful distribution of forces.} 14. Be2 (14. Bd3 Bg4 15. Re1 N8d7 16. Bf1
$5 {/\ h3. This might look like just another loss of tempo, but in fact Black
has lost time with his manoeuvres, too.} Re8 (16... f5 17. h3 Bxf3 18. Qxf3 $14
) 17. h3 Bxf3 18. Qxf3 Qc7 (18... Nf6 $5 19. Bd2 Nbd7) 19. Be3 ({White should
generally keep the advance of the a-pawn in reserve. In case of the hurried} 
19. a5 {Black gets counterplay with} Nc8 {/\c4, b5} 20. Bc4 b5 21. axb6 Ncxb6
22. Bxa6 Nb8 $44 {White faces certain problems keeping his position together.
His development is incomplete and he risks to become overextended. In certain
lines, the h3-pawn is hanging.}) 19... c4 {But this looks like premature
commitment.} (19... Nf6 {/\Nbd7 leads to a normal position for Black.}) 20.
Rec1 Rab8 21. Nd1 $6 (21. a5 $1 Nc8 22. Na4 $16) 21... a5 $1 {At the cost of
weakening the b5-square, Black stabilizes his queen side position.} 22. Kh2
Rbc8 23. Ra3 Qd8 24. Rc2 Nc5 25. Bxc4 Rxe4 26. Bb5 f5 $11 {1-0 Krush,
I-Christiansen,L/WorldChessNetwork.com 2003 (45)}) 14... Bg4 15. Be3 (15. Ng5
Bxe2 16. Qxe2 Qe7 $6 {This move does not make too much sense to me. Black's
queen has opted for the d8-square in the opening and it should stay there at
least until the development is complete.} (16... N8d7 17. Bd2 Re8 $132) 17. a5
Nc8 18. Bd2 Nd7 19. Rae1 b5 20. axb6 Bd4+ 21. Be3 Ncxb6 22. Bxd4 cxd4 23. Nd1
$14 {1/2-1/2 Olafsson,H (2520)-Psakhis,L (2585)/Moscow 1989/TD (36)}) 15... Re8
16. Qc2 Qe7 {This move creates the strong threat of ...Bxc3 followed by ...
Qxe4.} ({The immediate} 16... Bxc3 {looks rather risky, because of Black's
poor development:} 17. bxc3 (17. Qxc3 Rxe4 18. Ng5 Nxd5 19. Qd2 Nxe3 20. Nxe4
Nxf1 21. Bxf1 Nc6 $11) 17... Rxe4 18. Ng5 (18. Qxe4 $2 Bf5) 18... Rxe3 19. Bxg4
N8d7 20. c4 $32 {[%csl Ga8][%cal Ya1e1,Ya4a5]} Nf6 21. Bh3 h6 22. Be6 $1 hxg5
23. fxg5 $40) ({However, I believe that the natural developing move} 16... N8d7
{is a safer option for Black.}) 17. e5 $1 $146 {Since White has problems
holding his e4-pawn, it is better to sacrifice it in this way, in order to
create a strong passed pawn on the d-file.} (17. a5 Bxc3 18. Qxc3 Nxd5 19. exd5
Qxe3+ 20. Qxe3 Rxe3 $15 {0-1 Laine,H-Paavilainen,J (2280)/Helsinki 1990/EXT
2000 (29)}) 17... dxe5 18. fxe5 Bxf3 19. Rxf3 N8d7 (19... Qxe5 20. Rd1 $32) 20.
d6 Qe6 (20... Qxe5 21. Rd1 $44 {[%csl Gf7][%cal Ya4a5,Yc2b3]}) 21. Rd1 Nxe5 22.
Bxc5 $1 {By sacrificing the exchange, WHite consolidates his central pawn,
activates his bishops and deprives Black from the excellent outpost on d4.}
Nbd7 23. Ba3 Nxf3+ 24. Bxf3 Rab8 25. Nd5 $44 {White's compensation is obvious.
Black faces problems finding open files for his rooks while the d6-pawn
reqcuires permanent surveillance.} Kh8 26. Kg2 Red8 27. Nc7 Qf6 28. Rf1 Qe5 29.
Rf2 h5 30. Qb3 Rf8 31. Re2 Qd4 32. Qd5 Qxa4 33. Re7 Nf6 34. Qd3 Rbd8 35. Bxb7
Nd7 36. Qxa6 Qg4 37. Bf3 Qg5 38. Qb5 Ne5 39. Qe2 h4 40. Bb4 Rb8 41. Bc3 h3+ 42.
Kxh3 Qf5+ 43. Kg2 Nxf3 44. Qxf3 Qxf3+ 45. Kxf3 Bxc3 46. bxc3 Rfd8 47. Rxf7 Rxd6
48. Kg4 Kg8 49. Rf4 Rc8 50. Nb5 Rd2 51. h4 Kg7 52. c4 Rd3 53. Nd4 Kh6 54. Nf3
Rc5 55. Re4 Rc3 56. Ne5 Ra5 57. Kf4 Ra1 58. Ng4+ Kg7 59. Ne3 Ra7 60. Nd5 Rb3
61. g4 1/2-1/2

[Event "Zonal Lvov"]
[Site "Lvov"]
[Date "1978.??.??"]
[Round "6"]
[White "Gulko, Boris F"]
[Black "Savon, Vladimir A"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2575"]
[BlackElo "2560"]
[Annotator "Moiseev,V"]
[PlyCount "48"]
[EventDate "1978.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 O-O (9... a6) (9... Qh4+) 10. Nf3 Na6 11. O-O Nc7 (11... Nb4) 12.
Bd3 a6 13. Qe1 (13. Nd2 Nf6 $1 14. h3 $5 (14. Nc4 Bg4 $1 {Lukacs/}) 14... Rb8
15. a5 Re8 $1 {N} (15... b5) (15... Bd7) 16. Nc4 Nb5 $132 {Lukacs,P-Maus,So/
Budapest/1990/0:1/34/}) (13. Kh1 Rb8 14. f5 b5 15. axb5 Nxb5 16. Bg5 Qc7 17.
Bxb5 axb5 18. e5 f6 $5 $13 {Schrancz,I-Tseitlin,Mikh/corr/1985/0:1/}) 13... Rb8
14. e5 $5 (14. a5 $5 b5 15. axb6 Nxb6 16. f5 Nd7 17. Bg5 f6 18. Bc1 g5 19. Nd1
g4 $5 20. Nd2 Ne5 21. Be2 Rb4 22. Qh4 Qe8 23. Nf2 Nb5 24. Bxg4 Nd4 $13 {
Siniavsky-Kapengut,A/URS/1976/}) 14... Nb6 15. f5 dxe5 16. fxg6 fxg6 (16...
hxg6 $2 17. Ng5 f6 18. Nh7 $1 {Gulko/} Kxh7 19. Qh4+ Kg8 20. Bxg6 Rf7 21. Qh7+
Kf8 22. Bh6 $18) 17. Bg5 Qd6 18. Qh4 Ncxd5 $6 (18... Nbxd5 $1 19. Rad1 Be6 20.
Bc4 Qc6 21. Bh6 $13 {Gulko/}) 19. Rad1 c4 20. Nxd5 (20. Be4 $1 Qc5+ 21. Kh1 Be6
(21... Ne3 $2 22. Be7 $18) (21... Nf6 22. Nxe5 $1 Nxe4 (22... Qxe5 23. Bf4) 23.
Rxf8+ Qxf8 24. Rd8 $18) 22. Be3 $1 Nxe3 (22... Qxe3 23. Ng5 $18) 23. Ng5 h6 24.
Nxe6 Rxf1+ 25. Rxf1 Qd6 26. Rf6 $1 $16) 20... cxd3 21. Ne7+ Kh8 22. Nxe5 $1 $18
Bf5 23. Rxf5 Bxe5 24. Rxe5 Rf7 1-0

[Event "Warsaw Najdorf Memorial"]
[Site "Warsaw"]
[Date "2008.08.05"]
[Round "4"]
[White "Sasikiran, Krishnan"]
[Black "Berg, Emanuel"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2684"]
[BlackElo "2592"]
[Annotator "Sasikiran,K"]
[PlyCount "73"]
[EventDate "2008.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[EventCategory "15"]
[SourceTitle "CBM 126"]
[Source "ChessBase"]
[SourceDate "2008.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 Qh4+ 10. g3 Qd8 (10... Qe7 11. Nf3 O-O 12. O-O Na6 13. f5 Nb4 14.
Bg5 Bf6 15. Bh6 Rd8 16. Qd2 Ne5 17. Nxe5 Bxe5 18. Rae1 a6 19. Bc4 Re8 20. Kg2
Bd7 21. h3 Rab8 22. a5 b6 23. axb6 Rxb6 24. Rf3 f6 25. Be3 Kh8 26. Bg1 Qg7 27.
Bf2 Rg8 28. Qc1 h5 29. Rf1 Qh7 30. Be1 g5 31. Rh1 g4 32. Rff1 Be8 33. hxg4 Rxg4
34. Be2 Rg5 35. Rh3 Qg7 36. Qd1 Kg8 37. Rfh1 Rb8 38. b3 Rc8 39. Nb1 $3 {
/\ Nd2-f3} Bb5 40. Kf1 Bxe2+ 41. Qxe2 Bd4 42. Rxh5 Rxh5 43. Rxh5 Re8 44. Rh4
Kf8 45. Qh2 Qg5 46. Bd2 Be3 47. Rh8+ {1-0 CM10th Xperience (2761)-Smarthink 1.
00 32-bit (2756)/CCRL 2006}) 11. Nf3 O-O 12. O-O Na6 13. f5 $5 $146 {An
inspiration from the above mentioned game. When preparing for the game, I was
intrigued by the fact that White played f5 (giving up control over e5)
restricting the Bc8 and proceeded to advance on the kingside quite easily. In
this specific case, space & manoeuvrability plays an important role also
considering the fact that the Na6 will find it difficult to come to the
kingside. And moves like Nb1!! create a great impression....} (13. Re1 Nc7 14.
Bf1 Re8 {with a complex game ahead} (14... Nf6 15. h3 a6 16. Be3 Rb8 17. Bg2
$13 {1/2-1/2 Hulak,K (2515)-Zelcic,R (2380)/Croatia 1992/EXT 2004 (60)})) 13...
Nf6 {There were several worthy alternatives to the text move.} (13... Nb4 14.
Bg5 Bf6 15. Bh6 Re8 16. Qd2 a6 17. Bxd7 Bxd7 18. Bg5 (18. g4 $6 c4 19. Ng5 Nd3
$36) 18... gxf5 (18... c4 19. fxg6 fxg6 20. Bxf6 Qxf6 21. Ng5 $16) 19. exf5 $13
) (13... Nc7 14. Bxd7 $5 (14. Bd3 $5) 14... Qxd7 (14... Bxd7 15. Bf4 Ne8 16.
Qd2 c4 (16... gxf5 17. e5 $44 {with good compensation for the pawn.}) 17. Bh6
Qb6+ 18. Rf2 Nf6 19. h3 $5 $13 {with g4 to follow.}) 15. Bf4 Re8 16. Qd2 b5 17.
axb5 Nxb5 18. Bh6 Nxc3 19. bxc3 f6 $13) (13... gxf5 $6 {breaking up the
kingside is bad especially when White has the possibility of establishing a
knight on f5.} 14. Nh4 $1 fxe4 (14... Nf6 15. Nxf5 Bxf5 16. Rxf5 $16) (14...
Bd4+ 15. Kh1 fxe4 16. Nxe4 $16) 15. Nf5 Ne5 16. Nxg7 Kxg7 17. Nxe4 f5 18. Qh5
$40) 14. Bf4 $6 (14. fxg6 $1 hxg6 (14... fxg6 15. e5 dxe5 16. Nxe5 Bh3 17. Rf3
$14) 15. Bg5 Bh3 16. Rf2 Qb8 17. Bxf6 Bxf6 18. e5 dxe5 19. Ne4 {with good
chances to seize the initiative}) 14... gxf5 $1 (14... Nb4 15. Bc4) 15. e5 $5 (
15. Bg5 $5 h6 16. Bh4 Nb4 $1 (16... Qc7 17. exf5 Nb4 $5 (17... Bxf5 18. Nd2 Bg4
19. Be2 Bxe2 20. Qxe2 Rae8 21. Qf3 Nd7 22. Nb5 Ne5 23. Qh5 Qd7 24. Bf6 Qg4 25.
Qxg4 Nxg4 26. Bxg7 Kxg7 27. Nc4 $14) 18. Qd2 $14) 17. Nd2 a6 18. Be2 Re8 19.
exf5 Bd7 $13) 15... Ne4 $6 (15... dxe5 16. Nxe5 (16. Bxe5 Nb4 17. Qb3 (17. Bc4
Bh6 18. Re1 Ng4 $15) 17... Bh6 $1 $13) 16... Nb4 17. Bc4 Re8 18. Qd2 $13) 16.
Re1 $6 (16. Bxa6 bxa6 17. exd6 Nxd6 18. Qc2 Rb8 19. Rae1 $44) 16... Nb4 17. Bc4
a6 $6 (17... dxe5 18. Nxe5 Nd6 $1 (18... Bxe5 19. Bxe5 Re8 20. Bf4 Bd7 21. Nb5
Bxb5 22. Bxb5 Qxd5 23. Qxd5 Nxd5 24. Bxe8 Rxe8 25. Rad1 Nxf4 26. gxf4 Re6 27.
Rd5 $14) 19. Bb3 (19. b3 Re8 $132) 19... Re8 20. Qf3 Bd7 21. Rac1 $13) 18. a5
$2 {Creating an unnecessary weakness on a5 to which the rook on a1 is tied
down.} ({In calculating} 18. e6 $1 fxe6 (18... Re8 19. exf7+ Kxf7 20. Ng5+ Kg6
(20... Nxg5 21. Qh5+ Kf8 22. Rxe8+ Qxe8 23. Bxd6+ $18) (20... Qxg5) 21. Ngxe4
fxe4 22. Nxe4 Be5 23. Be2 $5 $36) 19. dxe6 d5 {I missed the simple} 20. e7 $1 (
20. Bg5 Qe8 21. Nxd5 Bxe6 22. Nc7 Bxc4 23. Nxe8 Raxe8 {with a lot of
counterplay}) 20... Qxe7 21. Nxd5 Nxd5 22. Qxd5+ Kh8 23. Ne5 Bf6 24. Nf7+ (24.
Rad1 $5 Ra7 $5 (24... Kg7 25. Ng4 $1 $36) 25. Nf7+ Rxf7 26. Qxf7 Qxf7 27. Bxf7
b5 (27... Kg7 28. Bd5 Bxb2 29. Bxe4 fxe4 30. Rxe4 b5 31. axb5 axb5 32. Be5+
Bxe5 33. Rxe5 $16) 28. Bd5 bxa4 29. Bxe4 fxe4 30. Rxe4 Bf5 31. Re3 Bxb2 32.
Be5+ Bxe5 33. Rxe5 Bh3 34. Rxc5 (34. Ra1 $5) 34... Bd7 $16) 24... Rxf7 25. Qxf7
Qxf7 26. Bxf7 Bxb2 27. Rab1 Bd4+ 28. Be3 $16) 18... dxe5 19. Nxe5 Re8 $2 (19...
Bxe5 20. Bxe5 Re8 21. Bf4 $44) (19... Nd6 $1 20. Bb3 (20. b3 Re8 21. Qd2 Bd7
22. Re3 Bb5 $1 23. Rae1 Qxa5 $1 $17) 20... Re8 (20... Bd7 21. Nxd7 (21. Qh5 Bb5
) 21... Qxd7 22. Na4 Bd4+ 23. Be3 Bxe3+ 24. Rxe3 Qc7 25. Qh5 c4 26. Qg5+ Kh8
27. Qf6+ Kg8 $11) 21. Qf3 (21. Qh5 Bd7 22. Na4 Bxa4 23. Bxa4 Re7 $15) 21... Bd7
22. Nxd7 Qxd7 23. Rxe8+ Rxe8 24. Bxd6 Qxd6 25. Qxf5 c4 26. Rf1 $1 $132) 20.
Nxe4 (20. Nxf7 Kxf7 21. d6+ Kg6 22. Qh5+ Kxh5 23. Bf7+ Kg4 24. Kg2 {The idea
of a queen sacrifice followed by a quiet king move is quite pretty} {but there
is no mate after} Ng5 $19) 20... fxe4 21. Rxe4 (21. Qh5 $1 Qf6 22. Rxe4 Bf5 23.
Bg5 (23. Rae1 $5) 23... Bg6 (23... Qxe5 24. Rxe5 Rxe5 25. Bf4 Bg6 26. Qxe5 Bxe5
27. Bxe5 $16) 24. Nxg6 hxg6 25. Bxf6 gxh5 26. Be7 $16 {followed by the advance
of the d-pawn.}) 21... Bf5 22. Nxf7 $1 Rxe4 (22... Bxe4 23. Nxd8 Raxd8 24. Qg4
$1 Kh8 25. Re1 Nc2 26. Be5 Bxe5 27. Rxe4 Ne3 28. Qh5 $18) (22... Qf6 23. Rxe8+
Rxe8 24. d6 Kf8 25. Ne5 $1 Rxe5 26. d7 Nc6 27. Bxe5 Qxe5 28. d8=Q+ Nxd8 29.
Qxd8+ Qe8 30. Qxe8+ Kxe8 31. Rf1 Bd4+ 32. Kg2 Be4+ 33. Kh3 $18) (22... Kxf7 23.
Qh5+ Bg6 24. d6+ Kf8 25. d7 $1 (25. Rxe8+ Qxe8 26. Qxc5 Qc6 (26... Nc6 27. Rf1
Bd4+ 28. Qxd4 Nxd4 29. Bh6#) (26... Rc8 27. d7+ Rxc5 28. Bd6+ Qe7 29. d8=Q+ Be8
30. Bxe7#) 27. Be3 $1 Nd3 28. Bxd3 Bxd3 29. d7+ Kf7 30. Qxc6 bxc6 31. Rd1 Rd8
32. Rxd3 Ke6 33. Rb3 Rxd7 34. Rb6 Kd5 35. Rxa6 Bxb2 36. Rb6 Bc3 37. a6 Ra7 38.
Kf2 $16) 25... Bxh5 26. Bd6+ Re7 27. Rf1+ Bf6 28. Rxe7 Qxe7 29. Rxf6+ Kg7 30.
Bxe7 $18) 23. Nxd8 Rxd8 24. Rc1 (24. Qb3 Kh8 25. Rf1 Ree8 26. d6 Bc2 27. Qa3
Re4 28. b3 Nd3 29. Kg2 Nxf4+ 30. Rxf4 Rxf4 31. gxf4 Bd4 32. b4 $18) 24... Kh8 (
24... Bd4+ 25. Kg2 Nxd5 26. Qh5 Kh8 27. Bxd5 Rxd5 28. Qf7 Be6 29. Be5+ Bxe5 30.
Qxe6 Rd2+ 31. Kf3 $18 (31. Kh3 $4 Rxh2+ $1 32. Kxh2 Bxg3+ 33. Kxg3 Rxe6 34.
Rxc5 Re3+ 35. Kg4 Rb3 $17)) (24... Bxb2 25. Qh5 Bg6 26. Qg5 Rd7 27. d6+ Kf8 (
27... Kh8 28. Qxc5 Bd4+ (28... Nc6 29. Rd1 $18) 29. Qxd4+ Rxd4 30. Be5+ Rg7 31.
Bxd4 $18) 28. Kg2 $3 {This surprising move prepares Qc5 and White wins.}) 25.
d6 Bxb2 26. Qh5 Bg6 (26... Rf8 27. Rf1 Rxc4 28. Be3 $18) 27. Qg5 Nc6 28. Bd5
Rxf4 29. gxf4 Rxd6 30. Re1 $1 Bd4+ 31. Kg2 Kg7 (31... Bg7 32. Re6 $18) 32. Bxc6
Bf6 33. Qg3 Rd2+ 34. Kh1 bxc6 35. f5 c4 36. fxg6 hxg6 37. Qc7+ 1-0

[Event "Wijk Cultural Village 20th"]
[Site "Wijk aan Zee"]
[Date "2015.11.23"]
[Round "7"]
[White "Hansen, Eric"]
[Black "Khomeriki, Nino"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2573"]
[BlackElo "2308"]
[Annotator "Schulz,Andre"]
[PlyCount "40"]
[EventDate "2015.11.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 (8... Nbd7 {galt früher als schlimmer Fehler, ist aber wohl auch
spielbar.} 9. e5 dxe5 10. fxe5 Nh5 11. e6 Qh4+ {usw.}) 9. Nf3 ({Die
Hauptvariante ist} 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bd3 a6) 9... O-O 10.
O-O (10. a4) 10... a6 11. Bd3 b5 12. Qe1 $5 ({Der meist gespielte Zug ist} 12.
Kh1) 12... Re8 {[#]} 13. Qg3 {Hansen folgt offenbar einer Partie Salem-Docx,
die nun mit 13...c4 14.Lc4 und erst jetzt 14...b4 fortgesetzt wurde. Die junge
Georgierin spielt aber sofort b4. Das machte einen wichtigen Unterschied aus,
denn der weiße Läufer steht auf hier auf d3 und nicht auf c2.} b4 ({In
besagter Partie geschah:} 13... c4 14. Bc2 b4 15. Na4 Nf6 16. f5 Bd7 17. Ng5 b3
18. axb3 cxb3 19. fxg6 hxg6 20. e5 Rxe5 21. Nxf7 Kxf7 22. Bxg6+ Kg8 23. Qh4
Bxa4 24. Bh7+ Kh8 25. Bg6+ Kg8 26. Rxa4 Qb6+ 27. Kh1 Qb5 $4 (27... Nbd7 $11)
28. Raf4 ({Stärker war} 28. Rxf6 $1 Re1+ (28... Bxf6 29. Qh7+ Kf8 30. Qf7#)
29. Qxe1 Qd7 30. Qh4 Bxf6 31. Qxf6 {mit baldigem Matt.}) 28... Qxd5 29. Bh7+ $2
({Es gewann wieder} 29. Rxf6 $1 Bxf6 30. Qh7+ Kf8 31. Bh6#) 29... Nxh7 30. Qd8+
Nf8 31. Rxf8+ Kh7 32. R8f3 a5 $2 ({Besser sofort} 32... Ra7 33. Qxb8 Rf7 $1 34.
Rxf7 Qxf7 $11) 33. Rg3 $2 ({Es gewann} 33. Rh3+ Rh5 34. Rxh5+ Qxh5 35. Rf3 $18)
33... Ra7 34. Qxb8 Rf7 35. Rg1 a4 $11 36. Qc8 Rh5 37. Qe8 Qc4 (37... Rh4 $11)
38. Bg5 a3 39. Rf3 Rxg5 40. Rxf7 a2 {Der Bauer a2 ist ein Trumpf, aber der
schwarze König steht gefährdet.} 41. Rf3 Qd4 $2 (41... Bxb2 $2 42. Rh3+ Kg7
43. Qe7+ Kg8 44. Qxg5+ {und Schwarz wird Matt.}) ({Richtig war} 41... Rg6 $11)
42. Rgf1 ({Oder} 42. Rh3+ Bh6 43. Qd7+ Rg7 44. Qf5+ Rg6 45. Re1 {war
zwingender.}) 42... Qxb2 43. Rh3+ Bh6 44. Qe4+ Kg8 45. Qe6+ {1-0 (45) Salem,A 
(2564)-Docx,S (2468) Caleta 2014}) 14. Na4 ({Eine Vorgängerpartie gibt es
noch:} 14. Nd1 Nf6 15. f5 Nxe4 16. Bxe4 Rxe4 17. Ng5 Bxf5 18. Rxf5 gxf5 19.
Nxe4 fxe4 20. Bh6 Qf6 21. Bxg7 Qxg7 22. Qxd6 Qd4+ 23. Kh1 a5 24. Qd8+ Kg7 25.
Qg5+ Kh8 26. Qd8+ Kg7 27. Qg5+ Kh8 28. Qd8+ {1/2-1/2 (28) Gil Capape,J (2434)
-Glavina,P (2427) Aragon 2003}) 14... Nf6 {[#]} (14... Qa5 $5 15. Bc2 Nf6) 15.
f5 ({In Betracht kam} 15. e5 $5 dxe5 16. fxe5 Nxd5 17. Be4 Be6 18. Nxc5 Nd7 $44
{aber Weiß wandelt auf den Spuren der Partie Salem-Docx}) 15... Bd7 {[#]} 16.
Ng5 (16. e5 $5 dxe5 17. Ng5 e4 $13) 16... Bxa4 {Upss, hier gibt es keinen
Läufer auf c2, der den Sa4 deckt.} 17. e5 $2 ({Die richtige Fortsetzung des
Angriffs war} 17. fxg6 fxg6 18. Nxh7 Nxh7 19. Qxg6 {Nach} Ra7 20. e5 Qh4 21.
Rf4 Qh6 22. Qg3 dxe5 23. Rh4 {muss Schwarz die Dame geben:} Qxh4 24. Qxh4 e4
25. Be2 Bd4+ 26. Kh1 Kh8 $13 {Schwarz hat einen Turm und zwei Springer für
die Dame und wohl die besseren Chancen.}) 17... Rxe5 18. fxg6 fxg6 ({Aber nicht
} 18... hxg6 $2 19. Nxf7 Kxf7 20. Qxg6+ Kf8 21. Bh6 $18) 19. Nxh7 ({Auch nach} 
19. Ne6 Qe7 20. Nxg7 Qxg7 21. Bf4 Nbd7 $19 {ist Schwarz im Vorteil.}) 19...
Nxh7 20. Qxg6 Qh4 {und nun hatte Eric Hansen zurecht keinen Spaß mehr an der
Partie.} (20... Qh4 21. Bf4 Nf8 22. Qxd6 Nbd7 {und der Angriff verflüchtigt
sich.}) 0-1

[Event "St Petersburg White Nights"]
[Site "St Petersburg"]
[Date "1999.06.30"]
[Round "5"]
[White "Biriukov, Oleg V"]
[Black "Loginov, Valery A"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2407"]
[BlackElo "2532"]
[Annotator "Stohl,I"]
[PlyCount "64"]
[EventDate "1999.06.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "8"]
[SourceTitle "CBM 072"]
[Source "ChessBase"]
[SourceDate "1999.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. e4 d6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bd3 a6 13. Re1 $6 {As has already
been said in the notes to Lalic-Kotsur, this is not the square for White's R,
as he need it for a >> attack.} (13. Bd2 $142 Rb8 (13... Re8 14. Be1 $1 Rb8 15.
e5 dxe5 16. Bh4 Bf6 17. d6 Ne6 18. Bxf6 Qxf6 19. Nd5 Qg7 20. fxe5 Kh8 21. Qd2
b5 22. axb5 axb5 23. Rae1 c4 24. Bc2 Bb7 25. Nc7 Bxf3 26. Nxe8 Rxe8 27. Rxf3
Nxe5 28. Rfe3 $16 {Levitt,J-Norwood,D/London/1988/}) (13... Nf6 14. Be1 Ng4 15.
Bh4 $1 Qd7 16. Re1 $36) 14. a5 (14. Rc1 $6 b5 15. axb5 axb5 16. b3 Re8 17. Be1
b4 18. Nb1 Nb5 19. Bh4 Qa5 20. Nbd2 Nc3 21. Nc4 Qc7 22. Qc2 Ra8 23. Rce1 Ba6
24. e5 Bxc4 25. Bxc4 dxe5 26. fxe5 Nxe5 27. Nxe5 Rxe5 $1 28. Bg3 Rxe1 29. Bxc7
Bd4+ 30. Kh1 Raa1 $17 {Khamidullin,V-Fedorov,V/Moscow/1997/}) (14. Qe2 $5 b5
15. axb5 axb5 16. Nxb5 Nxb5 17. Bxb5 Qb6 18. Bc4 Qxb2 19. e5 Qb7 20. e6 $36 {
Gurevich,D-Levin,D/New York/1985/}) 14... b5 15. axb6 Nxb6 16. h3 $5 (16. Ra2
Nb5 17. Kh1 Re8 18. Be1 c4 19. Bc2 Qc7 20. e5 Nd7 21. e6 fxe6 22. dxe6 Nf6 23.
Ng5 Bxe6 24. Nxe6 Rxe6 25. f5 gxf5 26. Bxf5 Ree8 27. Rxa6 $16 {Ksieski,
Z-Pojedziniec,W/POL-chT Lubniewice/1981/}) 16... f5 17. e5 dxe5 18. Nxe5 Ncxd5
19. Nc6 Bd4+ 20. Kh2 Qc7 21. Nxd5 Nxd5 22. Nxb8 Qxb8 23. Bc4 Be6 24. Rxa6 $18 {
Sundararajan,K-Rudd,J/GBR-ch Scarborough/ 1999/}) 13... Nf6 {A playable, but
risky move, as now White's central advance will come with extra power.} ({
Also possible, as in the game, mentioned above, was} 13... Re8 $5 14. Be3 Rb8
15. a5 b5 16. axb6 Rxb6 17. Qc2 $5 (17. Qd2 Rb4 18. Rab1 Nf6 19. Bf2 Bg4 {
Lalic,B-Kotsur,P/WChT Lucerne/1997/} 20. Ng5 Nb5 21. h3 $13) 17... Nf6 (17...
Rb4 $5 $132) 18. h3 Bd7 19. Rad1 Qb8 (19... Nb5 $142) 20. Bc1 Qb7 21. Bc4 Bb5
22. b3 Nd7 23. e5 Bxc4 24. bxc4 dxe5 25. d6 Ne6 26. fxe5 $16 {Dobosz,H-Kuemin,
S/Vorarlberg/1998/}) 14. h3 Rb8 15. Bf1 $1 {[%csl Gd5,Ge4][%cal Ge4e5] [+]} (
15. Qb3 b5 16. axb5 axb5 17. Ra5 Ncxd5 18. Rxb5 Rxb5 19. Nxb5 Nb4 20. Bc4 Bb7
21. Ng5 d5 22. exd5 Bxd5 $11 {Strohmer,H-Granabetter,J/Vienna op-B/1998/})
15... b5 16. e5 Nfe8 (16... dxe5 17. d6 {/\fe5+/-}) 17. axb5 (17. Be3 Bb7 $1
$13 {/\} (17... bxa4 $5 18. Qd2 $14) (17... b4 18. Ne4 dxe5 (18... Bf5 19. Ng3
$16) 19. d6 Ne6 20. fxe5 Bb7 21. Ned2 Nxd6 22. exd6 Bxb2 23. Nc4 Bxa1 24. Qxa1
Bxf3 25. gxf3 Qh4 26. Bf2 Qg5+ 27. Kh1 Qf4 28. Ne5 $16 {Contini,L-Braunberger,
F/Lombardia op/1990/}) 18. exd6 Qxd6 19. Ne4 Qxd5 20. Bxc5 Qxd1 21. Raxd1 Bxe4
22. Rxe4 Nf6 $132) 17... axb5 (17... Nxb5 18. Ne4 $36) 18. Ne4 $6 {White
ignores development and goes for a quick hit-usually a bad idea.} ({Much
better was the analogical} 18. Be3 $142 $5 Bb7 $13) 18... Bb7 {[%csl Rd5,Re5]
<=>,ה} 19. exd6 Nxd6 20. Nxc5 Bxd5 21. Ne5 Nf5 $5 {A provocative exchange
sacrifice, Black's pieces are so well coordinated he can afford it.} (21... Ra8
22. Rxa8 Qxa8 23. b4 $11) 22. Ncd7 (22. Bd3 $5 Nh4 23. Be4 Bxe4 24. Nxe4 $11)
22... f6 23. Nxb8 (23. Nxf8 $2 fxe5 24. Nxg6 hxg6 25. fxe5 Ne6 $36) 23... fxe5
24. Na6 exf4 $1 25. Bxf4 (25. Nxc7 Bd4+ 26. Kh1 Qxc7 $40 {[%cal Rf4f3,Rf5g3] /
\f3,Ng3}) 25... Bd4+ 26. Kh2 (26. Kh1 $2 Nxa6 27. Rxa6 Qh4 $19 {[%csl Rf4,Rh3]
/\Qh3,Qf4}) 26... Ne6 27. Be5 $2 {[%mdl 128] White's sense of danger fails him
and Black unleashes a decisive attack.} ({The most prudent course was} 27. Rxe6
Bxe6 28. Nc7 Bf7 29. Nxb5 Bxb2 $11) (27. Qg4 Qb6 $5 28. Nb4 Nxf4 29. Qxf4 Bb7
$36) 27... Qh4 28. Qg4 (28. Bxd4 $142 Nexd4 29. Kg1 (29. Ra3 Qf4+ 30. Kg1 Ng3
31. Rxg3 Qxg3 $19 {/\} 32. Qxd4 Rxf1+ 33. Kxf1 Qxg2#) 29... Ne3 (29... Qg3 30.
Ra3 Nf3+ 31. Rxf3 Bxf3 32. Qb3+ Kg7 33. Qc3+ Kh6 34. Nc7 $36) 30. Rxe3 (30. Qd2
Qg5 $1 31. Rxe3 Nf3+ 32. Rxf3 Qxd2 $19) 30... Qf2+ 31. Kh2 Qxe3 $36) (28. Qe2
Nf4 29. Qg4 Qf2 $1 30. Bc4 bxc4 31. Bxf4 Nh4 $19) 28... Qf2 $1 $19 {/\Qg1#} 29.
Bxd4 (29. Bxb5 Bxg2 30. Qxg2 (30. Bxd4 Nexd4 31. Qxg2 Nf3+ 32. Kh1 Ng3+ $19)
30... Bxe5+ 31. Rxe5 (31. Kh1 Ng3+ 32. Kh2 Ng5 $1 $19) 31... Qf4+ 32. Kg1 Qxe5
$19 {[%cal Rf5e3,Re6f4] ->,/\Nf4,Ne3}) 29... Nexd4 30. Re2 (30. Re4 Bxe4 31.
Qxe4 Ne3 $19) (30. Be2 Ne3 31. Qg3 Nxe2 $19) 30... Nxe2 31. Qxe2 Qg3+ 32. Kg1 (
32. Kh1 Ne3 $19 {[%cal Rd5c4,Rf8f1] /\Rf1,Bc4}) 32... Nd4 {/\Nf3} 0-1

[Event "Budapest FS03 GM"]
[Site "Budapest"]
[Date "1993.??.??"]
[Round "6"]
[White "Arduman, Can"]
[Black "Szalanczy, Emil"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2355"]
[BlackElo "2365"]
[Annotator "Stohl,I"]
[PlyCount "116"]
[EventDate "1993.03.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 037"]
[Source "ChessBase"]
[SourceDate "1993.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.12.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 (9. Be2 $5 O-O 10. Nf3 Na6 11. O-O Nc7 12. a4 Re8 13. Qc2 Nf6 14.
Bd2 Bg4 15. Rae1 Na6 16. Bc4 Nb4 17. Qb3 Bxf3 18. Rxf3 Ng4 19. g3 f5 20. h3 $36
{Moskalenko,V-Magerramov,E/Rostov op/1993/}) 9... a6 $6 (9... O-O $142 10. Nf3
Na6 11. O-O Nc7 (11... Nb4 $6 12. Bd2 a6 13. Bc4 Rb8 14. Be1 Re8 15. Bh4 Bf6
16. Bxf6 Nxf6 17. e5 Nh5 18. Ng5 $16 {->,Bykhovsky,Av-Galego,L/Capelle op/1993/
}) 12. Bc4 a6 13. Re1 Nb6 14. Ba2 Bg4 15. h3 Bxf3 16. Qxf3 Nd7 17. Bc4 Rb8 18.
Qf1 Re8 19. Be3 b5 $132 {Chacere,L-Blees,A/Krumbach op/1991/}) 10. Bd3 O-O 11.
Nf3 Nf6 12. h3 (12. O-O Bg4 13. Qb3 $5 Bxf3 14. Rxf3 b6 15. Bd2 Nbd7 16. Re1
Ng4 17. g3 Re8 18. Kg2 $14 {Braga,F-Garcia,G/Palma op/1992/}) 12... Qa5 {N} (
12... c4 13. Bc2 b5 $6 14. axb5 Bb7 15. bxa6 Nxa6 16. Be3 Re8 17. O-O Nxe4 18.
Nxe4 f5 19. Nfg5 Nb4 20. Rxa8 Qxa8 21. Bd4 $1 $36 {Lukacs,P-Perenyi,B/Budapest
Noviki/1988/}) 13. O-O b5 14. e5 $36 {->[+]} Nh5 15. Ne4 (15. Bd2 $5 Qb6 16.
Kh2 $16) 15... c4 16. Bc2 dxe5 17. fxe5 Bf5 $8 18. Kh2 Nd7 19. g4 Bxe4 20. Bxe4
f5 $8 21. Bc2 fxg4 22. hxg4 Rxf3 23. Rxf3 Bxe5+ 24. Kh3 (24. Kg2 $142 $5) 24...
Nhf6 25. g5 Nh5 26. d6 $36 Re8 (26... b4 27. Be4 $18 {/\Qd5,Bd5}) 27. Qd5+ Kh8
28. Bd2 Qd8 29. Re1 b4 (29... Bxb2 30. axb5 axb5 31. Qxb5 $16) 30. Re4 (30.
Qxc4 $142 $16) 30... Bxb2 31. Rxe8+ (31. Rxc4 $2 Nb6 $15) 31... Qxe8 32. Bxb4
Bg7 (32... Ne5 33. d7 $5 Qxd7+ (33... Nxd7 34. Qxc4 Ne5 35. Bc3 Bxc3 36. Qxc3
Qe6+ 37. Kh2 $18) 34. Qxd7 Nxd7 35. Rf7 $16) 33. Qe4 Ne5 34. Re3 $2 (34. Rf1
$16 {<->f}) 34... Qf8 35. Re1 Nf4+ 36. Kh2 Ne6 $44 37. Qg2 $2 (37. Kg2 Nf4+ 38.
Kh2 Ne6 $10) (37. Kh1 $5) (37. d7 Qxb4 38. Qa8+ Bf8 39. Rxe5 Qd2+ $132) 37...
Nf3+ 38. Kh1 Nxe1 39. Bxe1 Qxd6 $19 40. Qa8+ Nf8 41. Qf3 Qe5 42. Bd2 Qb2 43.
Qe4 Qd4 44. Qe2 (44. Qxd4 Bxd4 45. Be4 c3 46. Bc1 Ne6 {/\Nc5-+}) 44... Be5 45.
Be4 Ne6 46. Kg2 Bf4 (46... Nf4+ $2 47. Bxf4 Bxf4 48. Bxg6 $1 hxg6 49. Qe8+ Kh7
50. Qf7+ Qg7 51. Qxf4 $15) 47. Be1 Bxg5 48. Qg4 Qe5 49. Qf3 Bf6 50. Bg3 Qb2+
51. Kh1 Ng5 52. Qg4 Qc1+ 53. Kh2 Qd2+ (53... Nxe4 $19) 54. Bg2 c3 55. Qc8+ Kg7
56. Qc7+ Nf7 57. Kh3 Qh6+ 58. Kg4 Qh5+ (58... Qh5+ 59. Kf4 Be5+ $19) 0-1

[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1996.01.17"]
[Round "4"]
[White "Sokolov, Ivan"]
[Black "Topalov, Veselin"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2665"]
[BlackElo "2700"]
[Annotator "Stohl,I"]
[PlyCount "57"]
[EventDate "1996.01.13"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "17"]
[SourceTitle "CBM 051"]
[Source "ChessBase"]
[SourceDate "1996.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.04.01"]
[SourceQuality "1"]

1. d4 {Ftacnik} Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7
8. Bb5+ Nbd7 $2 (8... Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bd3 a6 13. Kh1
Rb8 14. f5 b5 15. Bg5 Nf6 16. e5 dxe5 17. Nxe5 Bb7 18. Nc6 Bxc6 19. dxc6 c4 20.
Bc2 Qxd1 21. Raxd1 Rb6 22. Bxf6 Bxf6 23. fxg6 fxg6 24. Be4 bxa4 25. Nxa4 Rb4
$15 {Sotnikov,A-Totsky,L/RUS-chS Orel/1992/}) 9. e5 dxe5 10. fxe5 Nh5 11. e6 (
11. Nf3 O-O 12. Bg5 Qb6 13. Qe2 a6 14. Bc4 Nxe5 15. Nxe5 Re8 16. O-O Rxe5 17.
Qd2 Qb4 18. Be2 Qd4+ 19. Kh1 Bg4 20. Bf3 Rae8 21. Rad1 Qxd2 22. Bxd2 Bxf3 23.
Rxf3 f5 $15 {Cherepkov,A-Katishonok,N/Leningrad/1990/}) 11... Qh4+ 12. g3 (12.
Kd2 $5 fxe6 13. dxe6 O-O 14. exd7 Bxd7 15. Bxd7 Rad8 16. Kc2 Rf2+ 17. Kb1 Bxc3
18. Qg4 Bf6 19. Nh3 Rxd7 20. Nxf2 {1-0/Alexandrov,A-Wojtkiewicz,A/Wisla BES/
1992/}) 12... Nxg3 13. hxg3 Qxh1 14. Be3 $1 (14. exd7+ Bxd7 15. Bxd7+ Kxd7 16.
Qg4+ f5 (16... Kd8 17. Bg5+ f6 18. O-O-O Re8 19. Nge2 Qh2 20. Nf4 fxg5 21. Ne6+
Rxe6 22. dxe6+ {1-0/Zaja,I-Kutuzovic,B/CRO-Cup Pula/1995/}) 17. Qa4+ Kc8 18.
Be3 Bxc3+ 19. bxc3 Qxd5 20. Rd1 Qc6 21. Qxc6+ bxc6 22. Bxc5 Rb8 23. Rd2 Rd8 24.
Re2 Rd3 25. Bd4 Kd7 26. Kf2 c5 27. Bxc5 Rxc3 28. Bd4 Rc1 29. Bxa7 Rbc8 30. Be3
R1c2 $10 {Thorsteins,K-Ashley,M/New York op/1989/}) 14... Bxc3+ (14... O-O 15.
exd7 Bxd7 16. Bxd7 Rae8 17. Bxe8 Rxe8 18. Qe2 Bd4 19. O-O-O Rxe3 {Littlewood,
P-Norwood,D/Commonwealth (ch)/1985/} 20. Qc2 $1 Rxg3 21. Nge2 Qh6+ 22. Kb1 Rg2
23. Qa4 $18) 15. bxc3 a6 {This game will probably change the evaluation of the
15..a6 line and in the future black will have to switch towards 15...Qe4.} (
15... Qe4 $5 16. Qf3 Qxf3 17. Nxf3 (17. exd7+ Bxd7 18. Bxd7+ Kxd7 19. Nxf3 b6
$2 (19... Rhe8 $142) 20. Ne5+ Ke7 21. a4 f6 22. Nc4 Rhe8 23. a5 Rab8 24. axb6
axb6 25. Ra6 Kd7 26. Kd2 b5 27. Ra7+ Kd8 28. Na5 {1-0/Kouatly,B-Schmittdiel,E/
Augsburg/1989/}) 17... fxe6 18. dxe6 O-O (18... a6 19. exd7+ Bxd7 20. Bxd7+
Kxd7 21. Bxc5 Kc6 22. Be3 Rae8 23. Kd2 Re4 24. Nd4+ Kd5 25. Kd3 Rc8 26. Nc2
Rce8 27. Rb1 $16 {Urban,K-Ciemniak,R/POL-ch/1993/}) 19. exd7 (19. Ke2 $2 Nf6
20. e7 Rf7 21. Bxc5 Bg4 22. Rd1 Nd5 23. Rd3 Nxe7 24. Bc4 Nc6 25. Kf2 Re8 26.
Bxf7+ Kxf7 27. Nd4 Ne5 $17 {Lautier,J-Ivanchuk,V/Monaco act/1995/}) (19. Bh6 $3
{Ftacnik} Rxf3 (19... Re8 20. O-O-O Nf6 (20... Rxe6 21. Bc4 Nb6 22. Ng5 $1 $18)
21. Bxe8 Bxe6 22. Ba4 Bxa2 23. Ne5 $1 $16 {/\ c4, Rd6}) 20. Rd1 $1 Rxc3 21.
exd7 Bxd7 22. Rxd7 a6 23. Rg7+ $2 (23. Bf1 $1 Rf8 24. Rg7+ Kh8 25. Rxb7 $18)
23... Kh8 {Kalinin,O-Konev/corr/1991/}) 19... Bxd7 20. Bxd7 $14 (20. Bxd7 Rxf3
21. Bxc5 Rxg3 22. Be6+ Kg7 23. Bd4+ Kf8 24. Kd2 b6 $10 {Nikolic,G-Lindemann/
Harkany/1987/})) (15... O-O 16. exd7 Bxd7 17. Bxd7 $16) 16. exd7+ Bxd7 17.
Bxd7+ Kxd7 18. Qb3 $1 $146 {A strong novelty in a position, considered
double-edged until now. But White's K is safer, there is still a possibility
of castling. so Sokolov keeps the Queens on and plays for the attack, which
quickly proves to be very strong. It is truly surprising, that white have not
found this logical concept before. This move combines attack with quick
removal of the K from the fire zone. Black's chances are quite poor.} (18. Qf3
Qxf3 19. Nxf3 Rae8 (19... Rhe8 20. Kf2 Kd6 21. c4 f6 (21... b5 {Ftacnik} 22.
Bf4+ Kd7 23. Ne5+ $16) 22. Rb1 (22. a4 $1 {Ftacnik /\ a5} b5 $8 23. Nd2 $16)
22... b5 23. Nd2 g5 24. Kf3 Rad8 25. Rd1 h5 26. Ne4+ Rxe4 27. Kxe4 Re8+ 28. Kf3
bxc4 29. Bd2 Re5 30. Bc3 Rf5+ $10 {Illescas Cordoba,M-Topalov,V/Alcobendas m/
1994/}) (19... Kd6 $1 {Ftacnik} 20. c4 f6 $14) 20. Kf2 Re4 21. Bxc5 Rhe8 22.
Re1 Rxe1 23. Nxe1 b6 24. Bxb6 (24. Bd4 {Ftacnik} Kd6 25. c4 Rc8 26. Bxb6 Rxc4 {
0-1 Krachler,G-Shabalov,A/Werfen op (01)/1990/ (35)}) 24... Kd6 25. Nc2 Kxd5
26. Ne3+ Ke4 27. a4 f5 $44 {Thuesen,M-De Firmian,N/Farum/1993/}) (18. Qa4+ b5
19. Qg4+ (19. Qf4 {Ftacnik} Rhe8 20. O-O-O Qe4 21. Bxc5 Qxf4+ 22. gxf4 Rac8 23.
Bd4 Re4 24. Nf3 Rxf4 25. Ne5+ Kd6 26. Nc6 Re4 27. Bg1 f5 {0-1 Remlinger,
L-Shabalov,A/Las Vegas op (06)/1993/ (44)}) 19... f5 20. Qf3 Qxf3 21. Nxf3 Rhe8
22. Kf2 Re4 23. Ng5 Rc4 24. Nxh7 Rh8 25. Rh1 Kc8 26. d6 Rxc3 27. d7+ Kxd7 28.
Nf6+ Ke6 29. Rxh8 Kxf6 30. Rc8 Rc2+ 31. Kf3 Rxa2 32. Rxc5 $14 {Remlinger,
L-Brownescombe,T/San Mateo/1994/}) (18. Qg4+ $5 {Ftacnik} f5 19. Qf3) 18... b5
(18... Kc8 {Ftacnik} 19. O-O-O $16) 19. O-O-O $40 (19. Bxc5 {Ftacnik} Rac8 20.
Bf2 Rhe8+ 21. Kf1 Rc4 $36) 19... Rhe8 (19... c4 20. Qb4 Rhc8 21. Bg5 $18) (
19... Rac8 20. Qa3 $18 (20. Qa3 {Ftacnik} Qe4 21. Bxc5 $16) (20. Bf4 $5)) (
19... Rhc8 $142 $5 20. Qa3 Qe4 21. Bxc5 Qc4 22. Bd4 (22. Bb4 $5) 22... b4 23.
Qa4+ Qb5 $16 {Black must try to get the Q off to survive for a while, even if
it costs him a pawn.}) 20. Bxc5 Rac8 21. Bd4 Qg2 22. Qa3 (22. d6 {Ftacnik} Re6)
22... Qxg3 (22... Ra8 {Ftacnik} 23. c4 $1 $16) 23. Qxa6 $18 {With black K on
g8 the second player would be quite comfortable, but on d7 his fate is sealed.}
Rxc3+ (23... Qg5+ {Ftacnik} 24. Kc2 Qg2+ 25. Rd2 Qf1 26. Ne2 $18) 24. Kb2 $18 {
Now Black's K is helpless in the middle.} (24. Bxc3 $2 Qxc3+ 25. Kb1 Qb4+ 26.
Kc2 Qc4+ $10) (24. Kb1 $1 {Ftacnik} Rb3+ (24... Qg4 25. Qxb5+ $18) 25. Ka1 $18)
24... Rcc8 (24... Qg2+ {Ftacnik} 25. Kxc3 (25. Ka1 $2 Qxd5 $17) 25... Rc8+ 26.
Kd3 (26. Bc5 Rxc5+ 27. Kb4 Qc2 $13) 26... Qc2+ 27. Ke3 Re8+ (27... Qxd1 28.
Qxb5+ Kd6 29. Ne2 $16) 28. Kf4 Qf5+ (28... Qxd1 29. Qxb5+ Kd8 30. Bb6+ Ke7 31.
Bc5+ Kd8 32. Qb8+ Kd7 33. Qb7+ Kd8 34. Bb6#) 29. Kg3 Qg5+ 30. Kf2 Qh4+ 31. Kf1
Qf4+ 32. Bf2 $16) 25. Qxb5+ Kd6 (25... Ke7 26. d6+ $1 Qxd6 27. Re1+ Kf8 28.
Rxe8+ Rxe8 29. Bc5 $18) (25... Kc7 26. Qc6+) 26. Ka1 $1 {The difference
between the fortunes of the two K can hardly be more striking.} (26. Bc5+ $2
Rxc5 27. Qb6+ Kd7 28. Qxc5 Qh2+ $1 29. Ka1 Qe5+) 26... Qa3 (26... Re1 $2 27.
Qb4+ $18) (26... h5 27. Bc5+ $1 Rxc5 28. Qb6+ $18) 27. Bb2 Qc5 (27... Qa7 28.
Nf3 $18) 28. Qa6+ Kd7 (28... Kc7 29. d6+ $18) 29. Qa4+ $1 (29. Qa4+ Kd8 (29...
Kc7 30. d6+ {[%cal Rd6d7] /\d7}) 30. Bf6+ $18 {[%cal Rd5d7] /\d6-d7}) 1-0

[Event "WchT 4th"]
[Site "Luzern"]
[Date "1997.11.01"]
[Round "8.1"]
[White "Lalic, Bogdan"]
[Black "Kotsur, Pavel"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2600"]
[BlackElo "2500"]
[Annotator "Stohl,I"]
[PlyCount "80"]
[EventDate "1997.10.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 062"]
[Source "ChessBase"]
[SourceDate "1998.01.31"]
[SourceVersion "1"]
[SourceVersionDate "1998.01.31"]
[SourceQuality "1"]
[WhiteTeam "Croatia"]
[BlackTeam "Kazakhstan"]
[WhiteTeamCountry "CRO"]
[BlackTeamCountry "KAZ"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ {
One of the most aggresive and dangerous lines against the Benoni. Black must
play very carefully not to get under a strong attack.} Nfd7 9. a4 O-O 10. Nf3
Na6 11. O-O Nc7 12. Bd3 {White usually avoids exchanging his B and this is the
most logical retreat.} (12. Be2 a6 (12... Re8 13. Nd2 Qe7 14. Bf3 b6 15. Nb5
Nxb5 16. axb5 f6 17. Nc4 a6 18. Qb3 Qf8 19. f5 g5 20. Re1 Bb7 21. Bd2 Qe7 22.
Nxb6 $1 Nxb6 23. bxa6 Rxa6 24. Rxa6 Bxa6 25. Qxb6 $16 {Zhitin,Y-Cyborowski,L/
EUChJ-U18 Tallinn/1997/}) 13. Nd2 f5 $5 14. Nc4 Bd4+ 15. Kh1 fxe4 16. Nxe4 Nf6
17. Ncxd6 Nxe4 18. Nxe4 Nxd5 19. Bc4 Kh8 20. Nxc5 Ne3 21. Bxe3 Bxe3 {Sjodahl,
P-Atkinson,P/EU-chJ U20 Arnhem/1989/} 22. Ne6 $11) (12. Bxd7 $5 {Kasparov,G 
(2675)-Nunn,J (2565) Luzern olm 1982 (9) 1-0 This idea was first introduced
into practice by Kasparov in his brilliant game against Nunn. Here it's not so
effective.} Bxd7 13. f5 gxf5 14. Bg5 f6 15. Bf4 Ne8 16. Qc2 fxe4 17. Nxe4 Bf5
18. Nh4 Bg6 19. Ra3 Qe7 20. Nxg6 hxg6 21. Rg3 f5 22. Ng5 Nc7 23. h4 Rfe8 24. h5
Qe2 25. Qxe2 Rxe2 $132 {Chiburdanidze,M-Kotsur,P/WChT Luzern/1997/}) (12. Bc4
a6 13. h3 Rb8 14. Qd3 f5 15. e5 b5 16. axb5 axb5 17. Nxb5 Nxb5 18. Bxb5 dxe5
19. fxe5 Nxe5 20. Nxe5 Bxe5 21. Bh6 Rf7 22. Bc4 Qd6 23. Rae1 Rxb2 24. Rxe5 Qxe5
25. d6 Bb7 $11 {Navratilik,P-Simacek,P/MOR-chT/1997/}) (12. Re1 $5 {[%cal
Yb5f1] /\Bf1}) 12... a6 (12... Re8 13. Bd2 a6 14. Be1 Rb8 15. e5 $1 {This
break is a typical motive for White's attacking build-up.} dxe5 16. Bh4 Bf6 17.
d6 Ne6 18. Bxf6 Qxf6 19. Nd5 Qg7 20. fxe5 Kh8 21. Qd2 b5 22. axb5 axb5 23. Rae1
c4 24. Bc2 Bb7 25. Nc7 $16 {Levitt,J-Norwood,D/London WFW/1988/}) (12... Nf6
13. h3 b6 14. Bc4 Ba6 15. Bxa6 Nxa6 16. e5 $1 $40 {[%csl Gd5,Ge5] ()[+]} Ne8
17. Be3 Nb4 18. Qb3 Nc7 19. Rad1 Qd7 20. Bf2 Qf5 21. Bh4 Qxf4 22. Bg5 Qf5 23.
exd6 Ne8 24. Be7 Nf6 25. Nd2 {1-0,Thien Hai Dao-Ibraev,N/Zagan-WchJ/1997/}) 13.
Re1 $6 {[%cal Gf1f8] This move doesn't fit too well into a >> attacking plan,
the R should stay on the f-file.} (13. Be3 Nf6 14. h3 Rb8 15. Bf2 Nh5 16. Qd2
f5 17. Bh4 Bf6 18. Bxf6 Nxf6 19. e5 Nfe8 20. Rfe1 b5 21. axb5 axb5 22. e6 Qf6
23. Bf1 Rb6 24. Ng5 Qe7 25. Ra5 Ba6 26. g4 fxg4 27. hxg4 Nf6 28. Be2 Bb7 $13 {
Williams,L-Nedev,T/EUCup qual6 Heraklio/1997/}) (13. Bd2 $142 $5 {See also
Levitt-Norwood game.} Rb8 14. a5 (14. Rb1 $6 b5 15. axb5 axb5 16. b4 cxb4 17.
Rxb4 Nc5 18. Qb1 Bd7 19. e5 N7a6 20. Rb2 b4 21. Bxa6 bxc3 22. Rxb8 Qxb8 23.
Bxc3 Nxa6 24. Qe1 Bb5 {0-1,Bosbach,G-Lau,R/BL9697/1997/}) (14. Qe2 $5 b5 15.
axb5 axb5 16. Nxb5 Nxb5 17. Bxb5 Qb6 18. Bc4 Qxb2 19. e5 Qb7 20. e6 Nb6 21.
Rab1 fxe6 22. Ba5 Nxc4 23. Rxb7 Bxb7 24. Qxc4 Bxd5 25. Qc1 $18 {Gurevich,
D-Levin,D/New York op/1985/}) 14... b5 15. axb6 Nxb6 (15... Rxb6 $142 16. Na4
$14) 16. Ra2 Nb5 17. Kh1 Re8 18. Be1 c4 19. Bc2 Qc7 20. e5 $1 Nd7 21. e6 fxe6
22. dxe6 Nf6 23. Ng5 Bxe6 24. Nxe6 Rxe6 25. f5 gxf5 26. Bxf5 Ree8 27. Rxa6 Kh8
28. Nxb5 Rxb5 29. Bc3 Nd5 30. Qh5 {1-0,Ksieski,Z-Pojedziniec,W/POL-chT
Lubniewice/1981/}) 13... Re8 14. Be3 (14. Nd2 Nf6 15. Be2 (15. h3 Rb8 16. a5
Nh5 17. Nc4 $2 Bd4+ 18. Kh2 Qh4 19. Rf1 Qg3+ 20. Kh1 Bxh3 21. Qf3 Bg4 22. Qxg3
Nxg3+ 23. Kh2 Nxf1+ 24. Bxf1 Rbd8 {0-1,Vacovska,V-Sikorova,O/CZE-chW/1997/})
15... Rb8 16. a5 b5 17. axb6 Rxb6 18. Nc4 Rb4 19. Bd2 Ng4 20. Bxg4 Bxg4 21.
Qxg4 Rxc4 $132 {1/2,Balogh,T-Pejko,O/SVK-chT/1994/}) ({The following examples
show White's typical attacking resource e4-e5 loses a lot of it's strength
with the R on e1.} 14. h3 Rb8 15. e5 dxe5 16. d6 Ne6 17. f5 (17. fxe5 Nd4 $15)
17... Nd4 18. fxg6 hxg6 19. Nd5 Re6 20. Ne7+ Kf8 21. Nxd4 cxd4 22. Bg5 Bf6 23.
Qg4 Rxd6 24. Nxg6+ fxg6 25. Rf1 {Southam,D-Teodoro,E/Ontario-ch/1993/} Ke7 $19)
(14. e5 dxe5 15. d6 Ne6 16. Nd5 exf4 17. Bc4 Nf6 18. Ne7+ Kf8 19. Ne5 Rxe7 20.
dxe7+ Qxe7 21. Ra3 Ne8 22. Rf3 Nd6 23. Bd5 Nf5 24. Kh1 Nfd4 25. Rff1 Qd6 26.
Bxe6 Bxe5 27. Bxc8 Rxc8 28. Qg4 Ne6 $17 {Bazant-Knazovcik/Pardubice op/1992/})
14... Rb8 15. a5 (15. Bf2 b5 16. e5 (16. axb5 Nxb5 $5 $132) 16... dxe5 17. d6
Ne6 $13) 15... b5 16. axb6 Rxb6 17. Qd2 Rb4 $132 {Black has satisfactorily
solved the opening problems.} 18. Rab1 (18. Bf2 $142 Nf6 (18... Nb5 $5 19. Rac1
Nd4 $11) 19. h3 $13) 18... Nf6 {[%cal Rf6g4] /\Ng4-/+} 19. Bf2 (19. h3 Nxe4 $1
20. Nxe4 Rbxe4 21. Bxe4 Rxe4 $44 {[%csl Gc8,Rd5,Gg7] ><d5,^^}) 19... Bg4 20.
Ng5 $2 (20. Nh4 $142 Nb5 21. h3 $11) 20... h6 21. Nf3 (21. Nh3 Bxh3 22. gxh3
Nh5 $40) (21. h3 Bh5 $5 (21... hxg5 22. fxg5 Nh7 $15) 22. Nf3 Bxf3 23. gxf3 Nh5
$17 {[%csl Rf3,Rf4,Rg1,Rh3] ע,h3,f3,f4}) 21... Bxf3 22. gxf3 Nh5 $36 23. Na2
Rd4 $1 {[%cal Rc5c4,Rh5f4] /\Nf4,c4 A nice positional sacrifice, which White
is forced to accept.} (23... Rb7 $143 $6 24. b4 $132) 24. Bxd4 Bxd4+ 25. Kh1
Qh4 26. Bc4 (26. f5 $2 Qh3 27. Qg2 Qxg2+ 28. Kxg2 Nf4+ $19) 26... Nxf4 $36 {
Black has a pawn for the exchange, dark-square control and good attacking
chances against White's weakened K.} 27. Rg1 $2 {White loses control and
doesn't put up any resistance.} (27. Nb4 $142 $1 Re5 (27... Nh3 28. Nd3 {
[%cal Yd2g2,Yg2g3] /\Qg2-g3}) 28. Nd3 Nxd3 29. Bxd3 Rh5 30. Rf1 (30. f4 $2 Bf2
$19) 30... Be3 31. Qc2 Bf4 $36) 27... Nh3 $1 (27... Bxg1 $143 28. Rxg1 Qf6 $17)
28. Rg2 $8 (28. Rg3 Nf2+ 29. Kg2 Nxe4 $1 $19 {loses the most important pawn.})
28... Nf2+ 29. Rxf2 Bxf2 30. Nc3 Re5 $40 {Black has extra material and a
strong attack. The game is decided.} 31. Rf1 Bg3 32. Rg1 (32. f4 Rh5 $19) 32...
Bf4 33. Qe2 Rh5 34. Rg2 Qf6 35. Nd1 (35. Qf2 Be5 $19) 35... Nb5 $1 {Activates
the last passive piece.} 36. Bxb5 axb5 37. Nf2 (37. Qxb5 Bxh2 $1 $19) (37. Nc3
b4 38. Nb5 c4 $1 $19 {[%csl Gc4] o^c}) 37... Qd4 38. Nd3 Be3 39. f4 $2 (39. Ne1
$142 Rg5 $1 40. Rxg5 Bxg5 $19 {/\} 41. Qxb5 Qf2) 39... Qxe4 40. Nf2 (40. Qxh5
Qxd3 $1 $19 {/\Qf1,Qb1} (40... Qxg2+ $19)) 40... Rxh2+ $1 {Nicely finishes the
attack.} (40... Qxf4 $2 41. Qxh5 $17 (41. Qxh5 Bxf2 42. Qd1 $17)) (40... Rxh2+
41. Kxh2 Bxf4+ {/\Qe2}) 0-1

[Event "Belgrade GMA op"]
[Site "Belgrade"]
[Date "1988.??.??"]
[Round "?"]
[White "Ilic, Dragan M"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2420"]
[BlackElo "2520"]
[Annotator "Stohl,I"]
[PlyCount "80"]
[EventDate "1988.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bc4 (12. Re1 $5 $14) 12... Nb6 13.
Bb3 $5 (13. Ba2 Na6 $5 14. a5 Nd7 15. Bc4 $14) 13... Bg4 14. h3 Bxf3 15. Qxf3
Nd7 16. e5 $1 dxe5 $8 17. f5 {/\Ne4->} e4 $1 18. Nxe4 Ne5 19. Qg3 c4 20. f6 $5
(20. Bc2 Qxd5 21. f6 Bh8 22. Rf5 Rfe8 23. Be3 {/\ R d1~/=}) 20... Bh8 21. Qxe5
Re8 22. Qd4 cxb3 23. Nc3 Ne6 24. Qf2 $1 Nf8 25. Bg5 Nd7 26. Qh4 $14 {ץh8} Re5
27. Rf3 $6 (27. Rad1 Qb6+ 28. Kh1 Rae8 29. d6 $5 {/\Nd5} Qc5 30. Qg4 $1 $16)
27... Qb6+ 28. Kh1 Rae8 29. Raf1 Qc5 $1 $132 30. Qg3 (30. Qg4 Nb6 $13) 30...
Nb6 31. Bf4 $6 Bxf6 $1 32. Bxe5 Bxe5 33. Qh4 f5 $44 34. Ne4 $2 Qd4 $5 (34...
fxe4 35. Rf7 Bg7 $17) 35. d6 Qxe4 36. Qxe4 fxe4 37. Rxb3 Bxd6 $19 38. a5 Nc4
39. Rxb7 e3 40. Rff7 Be5 0-1

[Event "Clichy"]
[Site "Clichy"]
[Date "2001.06.30"]
[Round "6"]
[White "Lautier, Joel"]
[Black "Degraeve, Jean Marc"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2658"]
[BlackElo "2589"]
[Annotator "Stohl,I"]
[PlyCount "58"]
[EventDate "2001.06.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[EventCategory "14"]
[SourceTitle "CBM 085"]
[Source "ChessBase"]
[SourceDate "2001.11.13"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nbd7 $5 {A sharp sacrificial side-line leading to an unusual material balance,
which may well be rehabilitated by this game.} ({The usual continuation is} 
8... Nfd7 9. a4 ({or} 9. Nf3)) 9. e5 dxe5 10. fxe5 Nh5 11. e6 Qh4+ 12. g3 Nxg3
13. hxg3 Qxh1 14. Be3 Bxc3+ $1 15. bxc3 a6 16. exd7+ Bxd7 17. Bxd7+ Kxd7 18.
Qb3 {[%mdl 1024] This move was introduced in 1996 by Ivan Sokolov and
considered a refutation of the whole line. White avoids the _|_ and plays for
a direct attack against Black's K.} (18. Qf3 Qxf3 19. Nxf3 {Similar is} Rae8 $5
(19... Rhe8 20. Kf2 (20. Kd2 c4 21. Rh1 Kd6 (21... h5 $142 $13) 22. Rxh7 Re7
23. Bg5 Rd7 24. Rh4 b5 25. Rd4 f6 26. Bxf6 Rf8 27. Be5+ Kc5 28. Rf4 Rxf4 29.
gxf4 Rxd5+ 30. Bd4+ Kd6 31. Ne5 a5 {Mohd,F-Dowden,R/Auckland/1997/} 32. Ke3 $16
) 20... Re4 21. Nd2 Rg4 22. Bf4 g5 23. Ne4 gxf4 24. Nf6+ Kd6 25. Nxg4 fxg3+ 26.
Kf3 Kxd5 27. Ne3+ Ke6 28. Kxg3 Rd8 29. Kf4 Rd2 30. a4 b5 31. axb5 axb5 32. Rb1
$11 {1/2,Anderson,S-Dejmek,M/Dallas/1996/}) 20. Kf2 Re4 21. Bxc5 $6 (21. Nd2
$142 $1) 21... Rhe8 22. Re1 Rxe1 23. Nxe1 b6 24. Bxb6 Kd6 25. Nc2 Kxd5 26. Ne3+
Ke4 27. a4 f5 28. a5 h5 $15 {Thuesen,M-De Firmian,N/Farum/1993/}) (18. Qg4+ $5
f5 19. Qf3 Qxf3 20. Nxf3 {is a somewhat better version of the _|_, with
Black's >>P slightly shaky.}) 18... b5 19. O-O-O Rhe8 (19... Qe4 20. Bxc5 Rhc8
(20... Qc4 21. Qxc4 bxc4 22. Nf3 Rhe8 23. Ng5 Re2 24. Rd2 Re1+ 25. Kb2 Rb8+ 26.
Ka3 Rb5 27. Bb4 Re3 28. Nxh7 Rxg3 29. Nf6+ Kd8 {Zerm,A-Dejmek,M/Dallas/1996/}
30. Re2 $18) 21. Qb4 $1 $14 {/+/-} (21. Bd4 Rc4 22. Kb2 (22. Nh3 Rxd4 23. Rxd4
Qh1+) 22... Qg2+ 23. Ka1 Re8 24. Qb2 Qxg3 25. Ne2 Qf3 $17 {Asgeirsson,
H-Bjornsson,B/Reykjavik/1998/})) (19... Qg2 20. Bxc5 Qxg3 21. Rf1 f5 22. Nf3
Rhe8 23. d6 Re6 24. Qd5 Rb8 25. Ba7 Rd8 26. Qb7+ Ke8 27. d7+ $1 Kf7 28. Qd5
Qf4+ 29. Kb2 h6 30. Bb6 $18 {Anderson,S-Dejmek,M/Houston/1999/}) 20. Bxc5 (20.
Bf4 Qh5 21. d6 c4 22. Qa3 a5 23. Qb2 Rab8 24. Qf2 Rb7 25. Re1 Qd5 26. Rxe8 Kxe8
27. Qe3+ Qe6 $15 {Compagnie,L-Obers,F/NLD-chT 9697/1996/}) 20... Qg2 $1 $146 {
[%mdl 8] The Q remains on the important long diagonal, prevents the N from
entering the game with tempo and takes away f1 from White's R. Also the Ra8
remains protecting the Pa6-see Sokolov-Topalov. Although technically this move
is not a novelty, Degraeve recognized it's importance, quite probably with
computer assistence (it's Fritz's favourite after only a couple of seconds).} (
20... Rac8 $6 21. Bd4 Qg2 22. Qa3 {[%csl Ra6] ><a6} Qxg3 23. Qxa6 Rxc3+ 24. Kb2
Rcc8 25. Qxb5+ Kd6 26. Ka1 Qa3 27. Bb2 Qc5 28. Qa6+ Kd7 29. Qa4+ {1-0,Sokolov,
I-Topalov,V/Wijk aan Zee/1996/}) 21. d6 (21. a4 Rab8 $1 $40) (21. Qa3 Qxg3 {
[%cal Re8e1] /\Re1-/+ is now pointless.}) 21... Re6 22. Nh3 $5 {White decides
to act, as otherwise his -> is not strong enough:} (22. Qd5 $2 Qxd5 23. Rxd5
Kc6 $19) (22. Qa3 Qxg3 23. Kb2 (23. Qa5 $4 Qg5+ $19) 23... Qg2+ (23... Re1 24.
Rxe1 Qxe1 25. Qa5 $132) 24. Ka1 h5 $17 {and the N still can't go out.}) 22...
Qxh3 $8 23. Qd5 Rb8 (23... Qh6+ 24. Kb1 Rb8 25. Ba7 {is only a transposition.})
24. Ba7 Qh6+ 25. Kb1 Qf8 $8 (25... Rd8 $2 26. Qc5 $1 Qh3 (26... Ke8 27. d7+ $1
Rxd7 28. Qc8+ $18) 27. Qc7+ Ke8 28. d7+ $18) 26. g4 {White doesn't have to
take on b8 immediately and can make a useful positional move first.} (26. Bxb8
Qxb8 27. g4 Rxd6 (27... h6 {-26.g4 h6}) 28. Qxf7+ Kc6 29. Rxd6+ Qxd6 30. Qxh7
Qd1+ 31. Kb2 Qxg4 32. Qa7 Qc8 (32... Qe2+ $5 33. Ka3 g5 34. Qxa6+ Kd7 $15) 33.
Qe3 Kb7 34. Qe7+ Qc7 35. Qe4+ Qc6 36. Qe7+ Kb6 37. Qd8+ Kb7 38. Qe7+ Ka8 39.
Qf8+ Ka7 40. Qf2+ Kb8 {1/2,Cuevas Rodriguez,M-Wallace,I/Yerevan olw/1996/})
26... Qe8 (26... h6 $5 27. Bxb8 Qxb8 28. Qf3 f6 29. Rh1 $132) 27. Bxb8 (27. g5
$5 $44 {/\} Re1 28. Bxb8 Rxd1+ 29. Qxd1 Qxb8 30. Qg4+ $1 Kd8 31. Qd4 $11) 27...
Qxb8 28. Rf1 Qxd6 (28... f6 29. Rh1 Qxd6 30. Rxh7+ Re7 31. Qb7+ Ke6 32. Qe4+
$11) 29. Rxf7+ Ke8 (29... Ke8 30. Qxd6 (30. Qf3 $2 Re1+ 31. Kc2 Qa3 $17 {->})
30... Rxd6 31. Rxh7 Rd1+ 32. Kc2 Rg1 33. Ra7 $11) 1/2-1/2

[Event "Alcobendas m"]
[Site "Alcobendas"]
[Date "1994.??.??"]
[Round "4"]
[White "Illescas Cordoba, Miguel"]
[Black "Topalov, Veselin"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2590"]
[BlackElo "2645"]
[Annotator "Stohl,I"]
[PlyCount "68"]
[EventDate "1994.11.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 045"]
[Source "ChessBase"]
[SourceDate "1995.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
Nbd7 $5 (8... Nfd7 9. Be2 O-O 10. Nf3 Qc7 11. O-O c4 12. Be3 a6 13. Rc1 b5 14.
b4 $1 Nf6 15. Bd4 Bb7 16. a4 Re8 17. axb5 Nbd7 18. bxa6 Rxa6 19. Nb5 Qb8 20.
Bxc4 Rxe4 21. Nc3 $16 {Shereshevski,M-Berelovich,A/Elenite-B/1994/}) 9. e5 dxe5
10. fxe5 Nh5 11. e6 Qh4+ 12. g3 Nxg3 13. hxg3 Qxh1 14. Be3 Bxc3+ $1 (14... O-O
15. exd7 Bxd7 16. Bxd7) 15. bxc3 a6 (15... Qe4 16. Qf3 Qxf3 17. exd7+ (17. Nxf3
fxe6 18. dxe6 a6 19. exd7+ Bxd7 20. Bxd7+ Kxd7 21. Bxc5 Kc6 22. Be3 Rae8 23.
Kd2 Re4 24. Nd4+ Kd5 25. Kd3 Rc8 26. Nc2 $14 {Urban,K-Ciemniak,R/POL-ch/1993/})
17... Bxd7 18. Bxd7+ Kxd7 19. Nxf3 b6 $2 (19... Rhe8 $142) 20. Ne5+ Ke7 21. a4
f6 22. Nc4 Rhe8 23. a5 Rab8 24. axb6 axb6 25. Ra6 Kd7 26. Kd2 b5 27. Ra7+ Kd8
28. Na5 {1-0/Kouatly,B-Schmittdiel,E/Augsburg/1989/}) 16. Bxd7+ Bxd7 17. exd7+
Kxd7 $13 18. Qf3 Qxf3 19. Nxf3 Rhe8 (19... Rae8 20. Kf2 Re4 $5 21. Bxc5 Rhe8
22. Re1 Rxe1 23. Nxe1 b6 $1 24. Bxb6 Kd6 25. Nc2 Kxd5 26. Ne3+ Ke4 27. a4 f5
$15 {Thuesen,M-DeFirmian,N/Farum/1993/}) 20. Kf2 Kd6 $6 (20... Re4 21. Bxc5 (
21. Ng5 Re5 {/\} 22. Nxf7 $2 Rf5+) 21... Rae8 {-19...Rae8}) (20... Rac8 21. a4
$1 $36 {/\a5,Rb1}) 21. c4 f6 (21... b5 22. Bf4+ Kd7 23. Ne5+ $16) 22. Rb1 b5 $8
23. Nd2 $1 (23. cxb5 $6 axb5 24. Rxb5 Rxa2+ 25. Nd2 Kxd5 (25... c4 $6 26. Kf3
$16) 26. Rxc5+ Kd6 27. Rc3 $10) (23. Bf4+ Kd7 24. Nd2 g5 25. Be3 Kd6 {-23.Nd2})
23... g5 (23... bxc4 $6 24. Nxc4+ Kxd5 25. Nb6+ Kc6 26. Nxa8 Rxa8 27. Rc1 $16)
24. Kf3 Rad8 {/\bc4} 25. Rd1 $6 (25. Ne4+ $5 Rxe4 (25... Ke5 26. Bxc5 bxc4 27.
d6 $16) 26. Kxe4 Re8+ 27. Kf3 bxc4 28. Rb6+ (28. Rd1 Re5) 28... Kxd5 29. Rxf6
c3 30. Rf5+ $16) 25... h5 $1 26. Ne4+ Rxe4 $8 27. Kxe4 Re8+ 28. Kf3 bxc4 29.
Bd2 (29. Rh1 Kxd5 (29... Rh8 $5 $10) 30. Rxh5 c3 $44) 29... Re5 (29... Kxd5 $2
30. Bxg5+ Kc6 31. Bf4 $16 {ק}) 30. Bc3 Rf5+ $8 (30... Rxd5 31. Rxd5+ Kxd5 32.
Bxf6 g4+ 33. Kf4 $18) 31. Ke4 (31. Ke3 g4 $10) 31... Rf2 $13 32. Ke3 (32. Rb1
$2 f5+ 33. Ke3 Rc2 $15) 32... Rf5 $10 33. Ke4 Rf2 34. Ke3 Rf5 1/2-1/2

[Event "YUG-ch53"]
[Site "Belgrade "]
[Date "1998.03.25"]
[Round "11"]
[White "Ivanisevic, Ivan"]
[Black "Kovacevic, Aleksandar"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2460"]
[BlackElo "2515"]
[Annotator "Stohl,I"]
[PlyCount "122"]
[EventDate "1998.03.14"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[EventCategory "10"]
[SourceTitle "CBM 064"]
[Source "ChessBase"]
[SourceDate "1998.06.02"]
[SourceVersion "1"]
[SourceVersionDate "1998.06.02"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ {
One of the sharpest systems against the Modern Benoni. It was very popular at
the Reykjavik Visa GP open.} Nfd7 ({Not all is so clear even after the
provocative} 8... Nbd7 $5 9. e5 dxe5 10. fxe5 Nh5 11. e6 Qh4+ 12. g3 Nxg3 13.
hxg3 Qxh1 14. Be3 $5 (14. exd7+ Bxd7 15. Bxd7+ Kxd7 16. Qg4+ (16. Qa4+ Kc8 17.
Be3 Bxc3+ 18. bxc3 Qxd5 19. Rd1 Qe6 20. Kf2 Rd8 21. Rxd8+ Kxd8 22. Bxc5 b6 23.
Bd4 Kc7 24. Nf3 Qc6 25. Qb3 Re8 26. Qxf7+ Qd7 27. Qc4+ Qc6 $11 {Zaja,I-Zelcic,
R/Solin/1996/}) 16... f5 $142 (16... Kd8 $6 17. Bg5+ f6 18. O-O-O $1 (18. Be3
Re8 19. Qf4 $4 (19. Kd2 $8 $13) 19... Qxg1+ 20. Kd2 Qg2+ 21. Kd3 Re5 22. Bxc5
Rc8 $19 {Ragnarsson,J-Kristjansson,S/VISA GP/1998/}) 18... Re8 19. Nge2 Qh2 $2
(19... Qh5 $16) 20. Nf4 fxg5 21. Ne6+ Rxe6 22. dxe6+ {1-0,Zaja,I-Kutuzovic,B/
CRO-Cup Pula/1995/}) 17. Qa4+ Kc8 18. Be3 Bxc3+ 19. bxc3 Qxd5 20. Rd1 Qc6 21.
Qxc6+ bxc6 22. Bxc5 Rb8 23. Rd2 Rd8 24. Re2 Rd3 25. Bd4 Kd7 26. Kf2 c5 27. Bxc5
Rxc3 28. Bd4 Rc1 29. Bxa7 Rbc8 $11 {Thorsteins,K-Ashley,M/New York op/1989/})
14... Bxc3+ 15. bxc3 a6 16. exd7+ Bxd7 17. Bxd7+ Kxd7 18. Qb3 b5 19. O-O-O Qe4
$5 $146 (19... Rhe8 20. Bxc5 Rac8 21. Bd4 Qg2 22. Qa3 Qxg3 23. Qxa6 Rxc3+ 24.
Kb2 Rcc8 25. Qxb5+ Kd6 26. Ka1 Qa3 27. Bb2 Qc5 28. Qa6+ Kd7 29. Qa4+ {1-0,
Sokolov,I-Topalov,V/Wijk 1996/}) 20. Bxc5 Rhc8 21. Bd4 (21. Qa3 $5 $36) 21...
Rc4 22. Kb2 (22. Nh3 Rxd4 $1 23. Rxd4 Qh1+ $15) 22... Qg2+ 23. Ka1 Re8 24. Qb2
Qxg3 25. Ne2 Qf3 $17 {Asgeirsson,H-Bjornsson,B/VISA GP/1998/}) (8... Bd7 $143
$6 9. e5 Nh5 10. Nf3 O-O 11. Bxd7 Qxd7 12. O-O Re8 13. Kh1 dxe5 14. fxe5 Bxe5
15. Nxe5 Rxe5 16. g4 Ng7 17. Bf4 Re8 18. Bh6 Qd8 19. Qf3 Rf8 20. Ne4 Nd7 21.
Qc3 f6 22. g5 Rf7 23. Bxg7 Kxg7 24. gxf6+ Kg8 25. d6 $40 {Hillarp Persson,
T-Valgardsson,G/VISA GP/1998/}) 9. a4 (9. Be2 a6 10. a4 Qh4+ 11. g3 Qe7 12. Nf3
O-O 13. O-O Nf6 14. e5 Ng4 15. h3 Nh6 16. g4 Nd7 17. e6 $1 fxe6 18. dxe6 Qxe6
19. Ng5 Qf6 20. Nd5 Qd4+ 21. Be3 Qxd1 22. Raxd1 Nf6 23. Nb6 $16 {Lalic,
B-Galego,L/Ubeda op/1998/}) 9... O-O (9... Qh4+ 10. g3 Qd8 11. Nf3 a6 12. Bd3
O-O 13. O-O Nf6 14. f5 $6 Nbd7 15. Bg5 Qc7 16. Nd2 Rb8 17. a5 h6 18. Bf4 g5 19.
Be3 Ne5 20. Nc4 Nfg4 21. Bc1 Nxc4 22. Bxc4 Bd4+ 23. Kg2 Ne5 24. Qh5 f6 $1 25.
Be2 Kg7 26. h4 Rh8 27. Bd1 Bd7 $17 {Ragnarsson,J-Olafsson,H/VISA GP/1998/}) 10.
Nf3 Na6 (10... a6 11. Bc4 Re8 12. O-O Nb6 13. Bd3 Bg4 14. h3 Bxf3 15. Qxf3 N8d7
16. a5 (16. Bd2 $142 {[%cal Ya1e1,Ye4e5] /\Rae1,e5,|^>>}) 16... Nc8 17. Kh1 Qc7
18. Ra4 Rb8 19. e5 $6 dxe5 20. f5 Nd6 21. fxg6 fxg6 22. Bg5 c4 23. Be2 Nc5 24.
Rxc4 Nxc4 25. Bxc4 Kh8 26. Qf7 Qxf7 27. Rxf7 e4 28. Be7 Nd3 29. Bd6 Rbd8 30.
Bc7 Ne5 $1 $19 {Ragnarsson,J-Bjornsson,T/VISA GP/1998/}) 11. O-O Nb4 {
Kovacevic has had a recent bad experience with the game motive:} (11... Nc7 12.
Bxd7 Bxd7 13. f5 gxf5 (13... b5 $143 14. Bg5 f6 15. Bf4 Qe7 16. fxg6 hxg6 17.
Nh4 Kh7 18. Qd3 Ne8 19. axb5 c4 20. Qf3 f5 21. Qh3 Bd4+ 22. Kh1 Qf6 23. Nxf5+
Kg8 24. Nh6+ Kg7 25. Qxd7+ {1-0,Bykhovsky,A-Schafer,E/Mendrisio op/1989/}) 14.
Bg5 f6 15. Bf4 Ne8 16. Qd2 $5 $146 (16. Qe1 Qe7 17. Nd2 fxe4 18. Ndxe4 f5 19.
Nxd6 Qxe1 20. Rfxe1 Bd4+ 21. Kf1 Nxd6 22. Bxd6 Rfe8 23. Bg3 Rxe1+ 24. Bxe1 a6
25. Bf2 Rc8 26. a5 Bf6 27. Ke2 c4 28. Kf3 $13 {1/2,Djukic,Z-Mihajlovic,V/
JUG-chT Budva/1996/}) (16. Qc2 fxe4 17. Nxe4 Bf5 18. Nh4 Bg6 19. Ra3 Qe7 20.
Nxg6 hxg6 21. Rg3 f5 22. Ng5 Nc7 23. h4 $44 {Chiburdanidze,M-Kotsur,P/WChT
Luzern/1997/}) 16... a6 17. h3 b5 18. axb5 axb5 19. Rxa8 Qxa8 20. exf5 Bxf5 21.
Nxb5 Qa6 22. Nc3 Nc7 23. Bh6 Qd3 24. Bxg7 Kxg7 25. Qf2 Bg6 26. Rd1 Qc2 27. Rd2
Qf5 28. Qg3 $16 {[%csl Rd6,Rg7] עg7,d6,Giorgadze,G-Kovacevic,S/Ubeda op/1998/}
) 12. Kh1 {White can do without this prophylactic move.} (12. Re1 $142 a6 13.
Bf1 Re8 14. Qb3 $5 $146 Nf6 $6 15. e5 $1 Ng4 16. h3 Nh6 17. Ne4 dxe5 18. fxe5
Nf5 19. Bg5 Qb6 20. Bc4 a5 21. Nf6+ Bxf6 22. Bxf6 h6 23. Rad1 $16 {Asgeirsson,
H-Kristjansson,S/VISA GP/1998/}) 12... a6 13. Bxd7 (13. Bc4 Nb6 14. Be2 Bg4 15.
h3 Bxf3 16. Bxf3 Rc8 17. Na2 a5 18. Nxb4 cxb4 19. Rb1 Nc4 20. b3 Na3 21. Rb2
Qh4 22. Rbf2 Nb1 23. Be3 Nc3 $36 {Kopjonkin,G-Laptev,R/Briansk RUS-chT/1995/})
({An interesting alternative is} 13. Be2 $5 Nf6 14. Nd2 b6 15. Bf3 Ra7 16. Nc4
Rd7 17. Be3 Re8 18. Bf2 Bb7 19. a5 b5 20. Nb6 Rc7 21. e5 dxe5 22. d6 Rc6 23.
Bxc6 Nxc6 24. Bxc5 $16 {Salo,H-Moilanen,O/FIN-chT/1989/}) 13... Bxd7 14. f5
gxf5 $146 {Black decides to accept the challenge and takes the sacrificed pawn.
} (14... c4 $5 15. Bg5 Bf6 16. Qd2 (16. e5 $5 Bxg5 17. Nxg5 Qxg5 18. Ne4 Qh4 $2
19. Nf6+ Kh8 20. Nxd7 Rfd8 21. e6 Nd3 22. fxg6 fxg6 23. Qd2 $16 {Vallifuoco,
G-Bademian,J/Dubai olm/1986/}) 16... Nd3 17. h3 $6 gxf5 18. exf5 Bxf5 19. Bxf6
Qxf6 20. Nd4 Qxd4 21. Rxf5 Rae8 22. Qh6 f6 23. Raf1 Rf7 24. Qh5 Re5 25. Rxe5
Nxe5 26. Qf5 Kg7 $15 {Basin,L-Yudasin,L/URS-FL56 Simferopol/1988/}) 15. Bg5 f6
16. Bf4 fxe4 $5 {Black has to return the material immediately. A complicated
tactical position arises.} (16... Qc7 $143 17. Nh4 $16) 17. Nxe4 Bf5 18. Nxd6
Bd3 19. Rf2 Qd7 (19... c4 $2 20. Qe1 $1 a5 21. Qe6+ $16) 20. Qb3 (20. Ne1 $5 c4
(20... Bg6 21. Rc1 $36) 21. b3 Nxd5 22. Nxd3 cxd3 23. Qxd3 Nxf4 24. Rxf4 $14)
20... a5 21. Nd2 (21. Rd2 $6 Qg4 $15) 21... Ra6 22. N2c4 (22. N2e4 $2 c4 $1 $17
) 22... Bxc4 23. Nxc4 Qxd5 24. Rd2 $44 {[%csl Ra5,Ra6,Rc5,Rf6,Rg8] |^׻
Although Black remains a pawn up, he must defend carefully. His pieces are
misplaced (צa6) and pawns weak.} Qf7 25. Rad1 (25. Be3 $5 $44) 25... Re6 26.
Qg3 $5 (26. Nd6 $4 Re1+ $19) (26. Nxa5 $14) 26... Qg6 27. Rd7 Qxg3 28. hxg3 (
28. Bxg3 f5 29. Rxb7 f4 30. Bf2 Bd4 $5 $44) 28... f5 (28... b6 $142 $5 29. Rb7
$36) 29. Rxb7 Bd4 30. Nxa5 $1 (30. b3 Nd5 31. Kh2 Rff6 $1 32. Rb8+ Kg7 33. Rb7+
$11) 30... Bxb2 (30... Rff6 $2 31. Rxb4 cxb4 32. Rxd4 $18) 31. Nc4 Bc3 32. a5
Rfe8 33. Rdd7 $40 Re1+ $6 34. Kh2 Ra1 35. Nd6 $6 ({Even more convincing was} 
35. Be5 $1 Bxe5 36. Nxe5 $18) 35... Rf8 (35... Ra8 36. Nxf5 $18 {->}) 36. Bh6
Nd3 37. Bxf8 $2 {This tactical oversight costs White a deserved win.} (37. Rg7+
$1 Bxg7 (37... Kh8 38. Nf7+ Rxf7 39. Rb8+ $18) 38. Rxg7+ Kh8 39. Nf7+ Rxf7 40.
Rxf7 $18) (37. Rf7 $1 $18) 37... Nf2 $1 {[%cal Ra1h1] /\Rh1# Suddenly with a
minimum of pieces Black has created a mating net.} 38. g4 $8 f4 39. Rg7+ (39.
g3 f3 40. Rg7+ Bxg7 41. Rxg7+ Kxf8 42. Rf7+ Kg8 43. Rxf3 Nxg4+ $11) 39... Bxg7
40. Rxg7+ Kxf8 41. Rf7+ Kg8 42. Rxf4 Nd3 43. Rf3 Ne5 44. Rf5 Nd7 $14 45. Rd5
Kf8 $1 (45... Rxa5 $2 46. Nb7 $18) 46. Ne4 Ke7 47. Nxc5 Nf6 48. Nb3 $8 (48. Rd4
Rxa5 $11) 48... Ra3 49. Rb5 Nxg4+ 50. Kg3 Nf6 51. Kf4 Nd7 52. Rb7 (52. Nc5 $5
$14) 52... Kd6 53. a6 h5 $1 (53... Rxa6 $2 54. Rxd7+ Kxd7 55. Nc5+ $18) 54. Kg5
Ra2 55. g3 Rg2 $11 56. a7 (56. Kh4 Rh2+ 57. Kg5 Rg2 $11) (56. Kf4 Rf2+) 56...
Rxg3+ 57. Kxh5 (57. Kh6 Rg8 $11) 57... Nf6+ 58. Kh4 Rg4+ 59. Kh3 Ra4 60. Nd2
Kc6 61. Rf7 Nd7 {[%cal Ya4a7] /\Ra7} 1/2-1/2