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Главная страница Справка Коды ЭШД B00 - B99 B98

Коды ЭШД

B95 B96 B97

B98

B99 C00 C01

B98

Код энциклопедии шахматных дебютов (ЭШД)

Описание

RU: Сицилианская защита (вариант Найдорфа)
EN: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7, sidelines

Ходы

1. e4 c5 2. Кf3 d6 3. d4 c:d4 4. К:d4 Кf6 5. Кc3 a6 6. Сg5 e6 7. f4 Сe7 8. Фf3 Фc7

Дебюты

Сицилианская защита

[Event "Bundesliga 1516"]
[Site "Germany"]
[Date "2016.02.20"]
[Round "8.6"]
[White "Baskin, Robert"]
[Black "Michalik, Peter"]
[Result "1/2-1/2"]
[ECO "B98"]
[WhiteElo "2329"]
[BlackElo "2570"]
[Annotator "Besenthal,K"]
[PlyCount "74"]
[EventDate "2015.09.18"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 171"]
[Source "ChessBase"]
[SourceDate "2016.03.14"]
[SourceVersion "2"]
[SourceVersionDate "2016.03.14"]
[SourceQuality "1"]
[WhiteTeam "Griesheim"]
[BlackTeam "Schwaebisch Hall"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
h6 9. Bh4 Bd7 10. O-O-O Nc6 11. e5 {Diagramm [#]} Nd5 $2 ({Besser war:} 11...
Nxd4 12. Rxd4 Bc6 13. Qd1 Nd5 14. Bxe7 Qxe7 15. Nxd5 exd5 16. exd6 Qxd6 17. g3
O-O $14) 12. Bxe7 Qxe7 13. Nf5 exf5 14. Nxd5 Qd8 15. Qg3 Kf8 16. exd6 Qa5 17.
Bc4 h5 18. Ne7 Qc5 {Diagramm [#]} 19. Nxc6 $6 (19. Bxf7 $1 Kxf7 20. Rhe1 $18)
19... Bxc6 20. Bb3 h4 21. Qh3 Rd8 22. Rd2 Rh6 23. Rhd1 Rd7 24. Re1 Rd8 25. Re5
Qg1+ 26. Rd1 Qxg2 27. Qxf5 Qg6 28. Qh3 Rh5 $4 {Diagramm [#]} 29. Re7 (29. Qe3
$1 Rxe5 {Sonst gelangt die weiße Dame nach e7.} 30. fxe5 $18) 29... Rf5 30.
Qxh4 $4 (30. Rc7 $1 Rxf4 31. Qe3 Re4 32. Qc5 Rd7 33. Ba4 b5 34. Qxc6) 30...
Rxd6 31. Ree1 Rxd1+ 32. Rxd1 Qh6 33. Qd8+ Be8 34. Re1 Re5 35. Rf1 Re7 36. Qd2
Bb5 37. Rf2 Rd7 1/2-1/2

[Event "Biel Suri Memorial"]
[Site "Biel"]
[Date "2014.07.19"]
[Round "6"]
[White "Harikrishna, Pentala"]
[Black "Vachier Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B98"]
[WhiteElo "2726"]
[BlackElo "2766"]
[Annotator "CB"]
[PlyCount "80"]
[EventDate "2014.07.14"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SUI"]
[EventCategory "19"]
[SourceTitle "CBM 162"]
[Source "ChessBase"]
[SourceDate "2014.09.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.09.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 {For the second
time in a row Harikrishna uses a very unusual method against the Najdorf.} Nbd7
7. Bg5 e6 8. O-O-O Be7 9. f4 Qc7 10. Be2 b5 11. Bf3 b4 $5 {A valiant exchange
sacrifice.} (11... Bb7 {seems more logical, but also here complications would
begin.} 12. Bxf6 Nc5 $5 (12... Nxf6 13. e5 $14) 13. Qe3 Bxf6 14. Ndxb5 $5 {
with a super messy position.}) 12. e5 dxe5 13. Bxa8 exd4 14. Ne2 h6 15. Bh4 O-O
{White's up the exchange, but Black has some compensation. He has good piece
activity and more obvious play.} 16. Kb1 e5 $1 17. Qf3 exf4 18. Nxf4 $6 (18.
Bxf6 Nxf6 19. Qxf4 Bd6 20. Qd2 $11) 18... Ne5 $1 19. Qe2 g5 $1 {Black sees
nothing wrong with going for the piece, and indeed there is nothing wrong with
it.} 20. Bg3 gxf4 21. Bxf4 Bd6 22. Rxd4 Re8 23. Rhd1 $2 {This move is hard to
understand; it looks like it simply blunders an exchange.} (23. Bxh6 $13) 23...
Bg4 24. Qxa6 Bxd1 25. Rxd1 Nc4 (25... Rc8 {was also good.}) 26. Bxd6 Qxd6 (
26... Nxd6 {was better. Preserving the pieces on the board creates problems
against White's king.}) 27. Qxd6 Nxd6 28. Bf3 {The endgame should be
technically winning, but maybe it is tricker then it seems at first?} Nc4 29.
b3 Ne5 30. Rd4 Nxf3 31. gxf3 Rb8 32. Kb2 Kf8 33. c3 bxc3+ 34. Kxc3 Ke7 35. b4
Ke6 $2 {This is too slow.} (35... Rb5 $1 {Black needed to start attacking
White's pawns.}) 36. a4 Nd5+ 37. Kb3 Rc8 38. Rc4 Rxc4 39. Kxc4 Kd6 40. a5 Ne3+
{The endgame should be drawn with accurate play.} 1/2-1/2

[Event "Alekhine Memorial-01"]
[Site "Moscow"]
[Date "1956.10.30"]
[Round "13"]
[White "Keres, Paul"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "B98"]
[Annotator "Chekhov,V"]
[PlyCount "64"]
[EventDate "1956.10.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nc6 (9... Nbd7 $5) 10. Nxc6 (10. Bh4 Bd7 11. g4 Nxd4 12. Rxd4 Bc6
13. Bg2 Rc8 14. Rhd1 O-O 15. g5 Nd7 $15 {Keres,P-Stahlberg,G/Goteborg/1955/})
10... bxc6 (10... Qxc6 11. Qg3 h6 12. Bxf6 Bxf6 13. e5 dxe5 14. fxe5 Bg5+ 15.
Kb1 O-O 16. h4 Be7 17. Bd3 Bd7 18. Qg4 Rfd8 19. Rh3 Be8 20. Rf1 $16 {Bagirov,
V-Maizel,I/URS/1961/}) 11. e5 dxe5 12. fxe5 Nd5 13. Bxe7 Nxe7 (13... Qxe7 14.
Ne4 O-O 15. c4 Nc7 16. Bd3 $36) 14. Ne4 O-O 15. Qc3 Nd5 16. Qd4 $16 Rb8 17. c4
(17. a3 $5 {/\ c4/}) 17... c5 $1 (17... Nf4 18. Nd6 Ng6 19. Qc5 $16) 18. Nxc5 (
18. Qxc5 $2 Qxe5 19. Nc3 Qf4+) 18... Nb4 19. a3 Nc6 20. Qd6 Qb6 21. Rd2 $1 h6 (
21... Rd8 $2 22. Qxc6 $1 $18) 22. Na4 Qa5 $5 (22... Qb7 23. Qc5 Bd7 24. Be2 {
/\ Bf3,Rhd1/}) 23. Qxc6 Bb7 24. b4 $6 (24. Qc5 Qxa4 25. Qe3 $1 Rfc8 26. Kb1)
24... Bxc6 25. bxa5 Bxa4 26. Be2 Rbc8 27. Rd6 Bb5 28. Kb2 Bxc4 29. Bxc4 Rxc4
30. Rc1 Re4 $1 (30... Rxc1 31. Kxc1 Rc8+ 32. Kb2 Rc5 33. Rxa6 Rxe5 34. Ra8+ Kh7
35. a6 f5 36. a7 Ra5 37. Kb3 {/\ a4,Kb4-b5/}) 31. Rc5 (31. Rxa6 Rxe5 $13) 31...
Ra8 32. Kc3 g5 $15 1/2-1/2

[Event "Akureyri"]
[Site "Akureyri"]
[Date "1994.??.??"]
[Round "?"]
[White "Jonsson, Bjorgvin"]
[Black "Olafsson, Helgi"]
[Result "1/2-1/2"]
[ECO "B98"]
[WhiteElo "2380"]
[BlackElo "2535"]
[Annotator "Ernst,T"]
[PlyCount "66"]
[EventDate "1994.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISL"]
[EventCategory "10"]
[SourceTitle "CBM 040"]
[Source "ChessBase"]
[SourceDate "1994.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.06.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
h6 9. Bh4 Qa5 10. O-O-O Qh5 11. Qxh5 Nxh5 12. Bxe7 Kxe7 13. g3 Nf6 $1 (13... b5
$2 14. Bg2 Ra7 15. e5 $1 $16 {Wedberg-Sigurjonsson/Luzern/1979/}) 14. Bg2 Ra7
15. Bf3 (15. Rhe1 $1 b5 16. e5 dxe5 17. Rxe5 $14) 15... b5 16. a3 Rc7 17. Rhe1
Nfd7 18. Re3 Bb7 19. b3 Rhc8 20. Kb2 Nc5 21. h4 Nbd7 22. h5 Nb6 23. Rd2 Nca4+
24. Nxa4 bxa4 25. Rdd3 d5 26. e5 axb3 27. cxb3 Nd7 28. Rc3 Nc5 29. Kc2 f6 30.
b4 fxe5 31. Rxe5 Ne4 32. Rxc7+ Rxc7+ 33. Kb2 Nd2 (33... Nd2 34. Rxe6+ $36)
1/2-1/2

[Event "Corus"]
[Site "Wijk aan Zee"]
[Date "2001.01.27"]
[Round "12"]
[White "Leko, Peter"]
[Black "Morozevich, Alexander"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2745"]
[BlackElo "2745"]
[Annotator "Ftacnik,L"]
[PlyCount "83"]
[EventDate "2001.01.13"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "19"]
[SourceTitle "CBM 081"]
[Source "ChessBase"]
[SourceDate "2001.03.20"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.20"]
[SourceQuality "1"]

{[%mdl 1]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
Be7 8. Qf3 Qc7 9. O-O-O Bd7 $5 10. f5 Nc6 11. Nxc6 bxc6 12. Kb1 d5 {Morozevich
have left the main highways of the opening theory early with the move 9...
Bd7!?. Both stars are already playing from their own heads.} (12... Rb8 13. g4
$15) 13. g4 (13. Bf4 Bd6 14. Bxd6 Qxd6 15. g4 Rb8 $11) 13... h6 (13... dxe4 14.
Nxe4 Nxe4 15. Bxe7 exf5 16. Ba3 $1 Qe5 17. Bd3 $40) 14. Bc1 (14. Bf4 Bd6 15.
Bxd6 Qxd6 $11) 14... Rb8 (14... Bd6 15. h4 Be5 16. Rg1 $14) 15. e5 Ng8 (15...
Nh7 16. Qg3 Qb7 17. h4 $36) 16. fxe6 (16. Qg3 Bg5 17. Bd3 Qb6 $13) 16... Bxe6 (
16... fxe6 17. Bd3 (17. Be2 g5 18. Qg3 $14) 17... Qxe5 18. Bf4 Qf6 19. Qg3 Rb7
20. Be5 Qf7 21. h4 $40) 17. Ne2 Bg5 (17... Qxe5 18. Nd4 (18. Nf4 Nf6 19. Nxe6
Qxe6 20. Be2 Qe4 $15) 18... Rb6 19. Bf4 (19. Bg2 Nf6 20. Bf4 Qe4 21. Qxe4 dxe4
22. Nxe6 fxe6 23. Rhe1 $13) 19... Qf6 20. Qg3 Qh4 21. Nxe6 fxe6 22. Qe3 $13)
18. Nf4 Qxe5 19. Nd3 Qd4 (19... Qf6 20. Qg3 $36) (19... Qe4 20. Qg3 Rb6 21.
Bxg5 hxg5 22. Bg2 Qc4 23. Qc7 $16) 20. Qg3 Qb6 21. Bxg5 hxg5 22. b3 {Leko has
sacrificed the pawn, but black still has to complete the development and his
king into relative safety.} (22. Qe5 $6 Nf6 23. Qxg5 O-O 24. Re1 Ne4 $17) 22...
Nf6 (22... Ne7 23. Nc5 Ng6 24. Re1 Nf4 25. Qc3 O-O 26. h4 $13) 23. Bg2 Nd7 (
23... Nxg4 24. Nc5 Nf6 25. Rde1 $132) (23... Bxg4 24. Rde1+ Kf8 25. Ne5 Be6 26.
Ng6+ fxg6 27. Qd6+ Kg8 28. Qxe6+ $40) 24. Rhe1 a5 (24... O-O 25. h4 $40) 25.
Ne5 Nxe5 (25... Qc7 26. Nxc6 Qxc6 27. c4 Rc8 28. Rc1 Qc7 29. cxd5 Qxg3 30.
Rxc8+ Ke7 31. hxg3 Rxc8 32. dxe6 fxe6 $13) 26. Rxe5 a4 (26... Qd8 27. Qe3 Qf6
28. Rf1 Qh6 29. h3 $11) 27. Rxg5 axb3 28. cxb3 (28. axb3 g6 $15) 28... g6 29.
h4 Ra8 30. h5 $1 {In this phase of the game black has to defend as Leko has
gained mild initiative.} Qa7 31. a4 (31. Rd2 Qg1+ 32. Kb2 Qc5 33. hxg6 (33. Qe5
Kd7 $13) 33... Rxa2+ 34. Kxa2 Qa5+ 35. Kb1 Qxd2 36. g7 Qd1+ $11) 31... gxh5 32.
gxh5 Qb8 33. Qc3 (33. Rg8+ $5 Rxg8 34. Qxg8+ Ke7 35. Qxb8 Rxb8 36. Kc2 Rg8 37.
Bf3 $14) 33... Ke7 (33... Kd7 34. Bh3 $13) 34. Re1 Qf4 35. Rge5 $6 (35. Qc5+ $5
Kf6 (35... Kd7 36. Rxe6 $1 Kxe6 37. Qxc6+ Ke7 38. Rxd5 $14) (35... Qd6 $2 36.
Rxe6+ $1 Kxe6 37. Bh3+ $18) 36. Rf1 Qxf1+ 37. Bxf1 Kxg5 38. Be2 $14) 35... Kd6
36. Bh3 Bxh3 (36... Rhe8 37. Bxe6 Rxe6 (37... fxe6 38. Qe3 $1 $14 (38. Rxe6+
Rxe6 39. Rxe6+ Kxe6 40. Qxc6+ Ke5 41. Qxa8 Qf1+ 42. Kb2 Qf2+ $11)) 38. Rxe6+
fxe6 39. h6 Qxh6 40. Qb4+ Kc7 41. Qe7+ Kb6 42. Rxe6 Qd2 $11) 37. Qxh3 Rab8 (
37... Rxa4 $6 38. Rf5 $1 (38. bxa4 $2 Rb8+ $19) (38. Re7 Rd8 39. h6 Qf6 (39...
Rb4 40. h7 Rbb8 41. h8=Q Rxh8 42. Qd7+ Kc5 43. Qa7+ Kb5 44. Rb7+ $11) 40. Qh2+
Qf4 41. Qh3 $11) 38... Qb4 (38... Qh4 39. Qc3 Rd4 40. Rxf7 Rxh5 41. Qa5 $18)
39. Qg3+ Kc5 40. Rxf7 $16) 38. Re7 Rhd8 39. Qc3 d4 $2 {[%mdl 8192] In time
trouble the optimistic Morozevich makes a serious mistake, the opening of the
fifth rank will have fatal consequences for him.} (39... Rh8 $1 40. Qh3 $13)
40. Qc4 Qf5+ (40... Qg4 41. Qxf7 $18) (40... Rf8 41. R1e6+ fxe6 42. Rxe6+ Kd7
43. Qxc6+ Kd8 44. Rd6+ $18) 41. Ka2 Qd5 (41... Rd7 42. Qxd4+ Kc7 43. h6 $18)
42. Qc2 (42. Qc2 Qxh5 43. Qe4 Qh2+ (43... c5 44. Qf4+) 44. Re2 $18) 1-0

[Event "FIDE-Wch k.o."]
[Site "Tripoli"]
[Date "2004.06.29"]
[Round "5.2"]
[White "Radjabov, Teimour"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2670"]
[BlackElo "2612"]
[Annotator "Gofshtein,L"]
[PlyCount "53"]
[EventDate "2004.06.19"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "LBY"]
[SourceTitle "CBM 102"]
[Source "ChessBase"]
[SourceDate "2004.09.23"]
[SourceVersion "1"]
[SourceVersionDate "2004.09.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qa5 9. O-O-O Bd7 10. Bxf6 {a rare move in this position, white's main moves
are 10.e5, 10.g4 and 10.Bc4, here are a few examples:} (10. e5 dxe5 11. Nb3 (
11. fxe5 $5 {Tyomkin,D} Nc6 12. Nf5 $5 exf5 13. exf6 gxf6 14. Bf4 $44 {1-0
Howell,J-James,D/Hastings 1995/CBM 48 ext (48)}) 11... Qc7 12. fxe5 Bc6 13. Qg3
Nh5 $6 $146 ({better is} 13... Ne4 {Tyomkin, D} 14. Nxe4 Bxe4 15. Bd3 Bxd3 16.
Rxd3 Bxg5+ 17. Qxg5 O-O 18. Rg3 g6 19. Re1 (19. Rh3 Nc6 20. Qh6 f6) 19... Nc6
$13 {with an unclear position}) 14. Qe3 h6 15. Bxe7 Qxe7 {[%cal Ge7g5]} 16. h4
$1 {[%csl Yg5,Rh5][%cal Gh1h2,Yg2g4,Gf1e2][%mdl 4] 1-0 Solomon,S-Mas,H/Sydney
1999/CBM 70/[Tyomkin,D] (32) and white got an advantage}) (10. g4 Nc6 11. Nb3
Qc7 12. Bh4 h6 13. Bg3 O-O-O 14. h4 {1-0 Brodsky,M-Rowson,J/Cappelle la Grande
1996/CBM 51 ext (22)}) (10. Bc4 Nc6 11. Bb3 h6 12. Bh4 Qh5 13. Qxh5 Nxh5 14.
Bxe7 Kxe7 {1/2-1/2 Videki,S-Rowson,J/Budapest 1996/CBM 52 ext (40)}) 10... Bxf6
11. e5 dxe5 12. fxe5 ({Of course not} 12. Qxb7 $4 exd4 13. Qxa8 Qc7 {with the
threat Bc6, winning for black}) 12... Bg5+ (12... Bxe5 $2 13. Qxb7 {Now the
white queen is not in danger} Qc7 14. Qxa8 Bxd4 15. Rxd4 Bc6 16. Rc4 $1 {
and white wins}) 13. Kb1 Nc6 14. Ne4 $5 {A very interesting pawn sacrifice} ({
After} 14. Nxc6 Bxc6 15. Qg3 Bh6 16. Bd3 {white seems to be a little more
comfortable}) 14... Nxe5 $6 (14... Qxe5 {this capture was a bigger challenge
to the white's pawn sacrifice} 15. Nf5 {seems to be the only move to justify
the sacrifice} (15. Qg4 Bf6) 15... exf5 16. Nxg5 Qe7 17. Qg3 O-O 18. Bc4 {
white's initiative compensates him for the sacrificed pawn}) 15. Nd6+ Ke7 (
15... Kf8 16. Qxb7 Rd8 17. Bxa6 {with a clear advantage for white}) 16. Qb3 {
White has a very strong initiative and it is very difficult for black to find
the correct moves. I believe that there is only one move which allows him to
fight on} Qa4 $2 {a serious mistake, now white quickly achieves a winning
position} (16... Kxd6 {Taking the knight is very dangerous for black, for
example} 17. Qxb7 {white has various threats} Ke7 (17... Bd2 18. Nb3) 18. Nc6+
Nxc6 19. Rxd7+ Kf6 (19... Ke8 20. Qxc6) 20. Rxf7+ Ke5 (20... Kg6 21. Bd3+ Kh6
22. Qxc6 {is the simplest for white, white is easily winning}) 21. Bc4 Nd8 22.
Qxa8 (22. Qd7 {is also very strong, mating the black king very soon}) 22...
Nxf7 23. Qb7 Rf8 24. b4 Qa3 25. Re1+ $18) (16... Bc6 17. Nxc6+ bxc6 18. Qb7+
Kf6 19. Bd3 {bringing the king's rook to action with a crushing attack}) (16...
b5 17. Nf3 Nxf3 18. Qxf3 Rhf8 (18... Bf6 {white has a very strong maneouvre
which immideatly wins} 19. Qh5 $1 g6 20. Qc5 $18) 19. Qg3 f6 (19... Bf6 20.
Nf5+ Ke8 21. Nxg7+ {with a great edge}) 20. Ne4 {and again white is much better
}) (16... Rab8 17. Nxb7 $1 {this weird looking move is very strong as it
drives the black queen from a5 and allows white to get control over the a3-f8
diagonal} (17. Qg3 Bf6 18. Ne4 {is less clear}) 17... Qa4 18. Qb6 Kf6 19. Bxa6
{must be very good for white as the black king is very weak}) (16... Rhb8 $1 {
a very strong move, the idea is to allow the black king to escape to the
kingside via f8} 17. Qg3 (17. Nxb7 {now this move is not that strong} Qa4 (
17... Qc7 $2 18. Qa3+ Kf6 19. Nd6 {with a crushing attack}) 18. Qg3 (18. Qb6
Kf8 {is not dangerous for black now}) 18... Bf6 19. Nc5 Qb4 20. Ndb3 Bc6 {
and black is very much in the game}) (17. Nf3 Nxf3 18. Qxf3 Bf6 {is fine for
black}) 17... Bf6 18. Ne4 Bc6 19. Nxf6 gxf6 20. Qh4 {white has some initiative
but black has his chances too}) 17. Qb6 {white's main threat now is Qc5 (or
Ne4 first), black has no real defence against it} Rhc8 {what else?} (17... Bf6
18. Qc5 Kd8 19. b3 $18) 18. Nxc8+ Rxc8 19. Qxb7 {white's material advantage is
decisive} Qa5 20. Bxa6 Rc7 21. Qb8 Qc5 22. Rhe1 Bf6 23. c3 Qa7 24. Qxa7 Rxa7
25. Bb5 Bxb5 26. Nxb5 Rb7 27. a4 1-0

[Event "GER-ch 75th"]
[Site "Hoeckendorf"]
[Date "2004.02.03"]
[Round "5"]
[White "Naiditsch, Arkadij"]
[Black "Enders, Peter"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2576"]
[BlackElo "2478"]
[Annotator "Gofshtein,L"]
[PlyCount "55"]
[EventDate "2004.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 100"]
[Source "ChessBase"]
[SourceDate "2004.06.01"]
[SourceVersion "1"]
[SourceVersionDate "2004.06.01"]
[SourceQuality "1"]

1. e4 {[%mdl 4]} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
Be7 8. Qf3 h6 9. Bh4 g5 {The so-called Gothenburg Variation, played in three
games in round 14 of the 1955 Gothenburg Interzonal by three Argentinian
players, each against a Soviet opponent, viz. Spassky-Pilnik, Geller-Panno,
and Keres-Najdorf.} 10. fxg5 Nfd7 11. Nxe6 $1 {[%mdl 512] In order to refute
black's game white has to play sharp, not fearing to sacrifice. In case of 11.
0-0-0 as the analysis shows black has counter chances} (11. O-O-O) (11. O-O-O
Ne5 12. Qf2 Nbd7 (12... Bxg5+ 13. Bxg5 hxg5 14. Be2 Nbc6 15. Nxc6 bxc6 16. Qd4
$16 {0-1 Moraza,M-Sharif,M/Dubai 1986/TD (44)}) 13. Be2 hxg5 14. Bg3 b5 $132)
11... fxe6 12. Qh5+ Kf8 13. Bb5 {This move was first played by Geller in 1955}
Rh7 $1 {This move was found by Keres and first played by Fisher in the game
given below. Other moves as the practice shows lead to a strong attack for
white, for example:} (13... Ne5 14. Bg3 Rh7 (14... Bxg5 15. O-O+ Ke7 16. Bxe5
$18) 15. Bxe5 dxe5 16. Rd1 $40) (13... Kg7 $2 14. O-O Ne5 15. Bg3 Ng6 16. gxh6+
Rxh6 17. Rf7+ Kxf7 18. Qxh6 axb5 19. Rf1+ Ke8 20. Qxg6+ Kd7 21. Rf7 Nc6 22. Nd5
$40) 14. O-O+ {Kirton,D: With the 13...Ne5 variation in order, i.e. White
winning, we can get on with the refutation of the main line. In case of 14.Qg6
it is well known that black can defend} (14. Qg6 Rf7 15. Qxh6+ Kg8 16. Qg6+ (
16. Rf1 Rxf1+ 17. Bxf1 Ne5 18. Bc4 Nxc4 $11 {Jan Timman-Michael Stean, London,
1973}) 16... Rg7 17. Qxe6+ Kh8 18. Bxd7 Nxd7 19. O-O-O Ne5 20. Qd5 Bg4 21. Rdf1
Bxg5+ (21... Rc8 {Gligoric}) 22. Bxg5 Qxg5+ 23. Kb1 Qe7 24. Qd2 Be6 25. g3 Rd8
$11 {1/2-1/2 Gligoric,S-Fischer,R/Portoroz 1958/IZT/[Jacoby,G] (32)}) 14... Kg8
15. g6 Rg7 16. Rf7 $1 {An only way to keep the tension} Bxh4 {An only move
again. 16...Bg5 is bad as the next games show} (16... Bg5 17. Bxd7 Nxd7 18.
Raf1 Kh8 (18... b5 19. e5 d5 20. Ne2 Qb6+ 21. Kh1 Qe3 22. Nd4 $18 Qxe5 23. Bxg5
hxg5 24. Nc6 Qf6 25. R1xf6 {1-0 Pavlovichev,Y-Gruzmann,B/Moscow 1965/EXT 2000 
(25)}) 19. Kh1 Rxf7 20. gxf7 Kg7 21. Bxg5 hxg5 22. f8=Q+ Nxf8 23. Qf7+ Kh8 24.
Qxf8+ $18 {1-0 Nedeljkovic,A-Velimirovic,D/Belgrade 1963/EXT 98 (29)}) (16...
Rxf7 17. gxf7+ Kg7 (17... Kh7 18. f8=Q Qxf8 19. Rf1 Nf6 20. Bxf6 Bxf6 21. e5
dxe5 22. Ne4 axb5 23. Nxf6+ Kh8 24. Qg6 $18 {A. Van der Tak-F. Hildama cr
friendly, 1996}) 18. f8=Q+ Nxf8 19. Be8 Nc6 20. Rf1 Ne5 21. Rf7+ Kg8 22. Rxe7
Qb6+ 23. Kh1 $18 {Georgy Georgiev-Spasov, cr BG ch, 1993}) 17. Qxh6 {Now black
has two main ways of defence. 17...Qf6 or 17...Rf7} Rxf7 (17... Qf6 18. Rxf6
Bxf6 19. e5 $1 Bxe5 (19... Nxe5 20. Ne4 $40) 20. Bd3 Nc5 (20... Nf8 {There are
several options, although none promise Black relief:} 21. Rf1 Nbd7 22. Qh4 $1
Nxg6 23. Bxg6 Rxg6 24. Qd8+ Kh7 25. Ne4 b5 26. Rf3 Bg7 27. Ng5+ Rxg5 28. Qxg5
Ne5 29. Qh5+ Kg8 30. Qe8+ Kh7 31. Rh3+ Bh6 32. Qh5 $18 {Kirton,D-Gentes,K/
Canada 1999/EXT 2003/[Kirton,D] (32)}) (20... Nf6 21. Rf1 Nbd7 22. Qg5 b5 23.
Ne4 Ne8 24. h4 Bb7 (24... d5 25. Ng3 Bf6 26. Qe3 Re7 27. Nh5 e5 28. Bf5 Bg7 29.
Nxg7 Nxg7 30. Qg5 $18) 25. h5 $40) (20... Nc6 21. Rf1 Bd4+ 22. Kh1 $40) 21. Rf1
Bd7 22. h4 Nc6 23. h5 Nxd3 24. cxd3 Rf8 25. Rxf8+ Kxf8 26. Ne4 Ne7 27. g4 $40 {
1-0 Shabalov,A-Sadvakasov,D/Los Angeles 2000/EXT 2001 (31)}) 18. gxf7+ Kxf7 19.
Rf1+ Bf6 20. e5 $6 {After this move black can defend. As various theoretical
analysis show white wins after 20.Qh7} (20. Qh7+ Ke8 (20... Kf8 21. e5 $1 {
Preventing the knight from occupying e5. A draw is likely after 21.Be2 Nc6 22.
Bh5 Nde5. This clearance sacrifice is a common theme throughout the Gothenburg.
} (21. Bxd7 Nxd7 22. e5 dxe5 23. Ne4 Qe7 24. Qh8+ Kf7 25. g4 Qf8 26. Qh5+ Ke7 {
0-1 Matulovic,M-Ciric,D/Sarajevo 1966/EXT 98 (35)}) (21. Be2 Nc6 22. Bh5 Nce5
23. Qh8+ Ke7 24. Qh7+ $11) 21... dxe5 (21... Nxe5 22. Qh8+ Kf7 23. Qxd8 $18)
22. Be2 $1 $146 {After this discovery White is winning by force.} (22. Ne4 Qb6+
(22... Qe7 23. Qh8+ Kf7 24. Ng5+ Kg6 25. Bd3+ $18 {V. Nikolic-Z. Nikolic,
Yugoslavia, 1972}) 23. Rf2 axb5 24. g4 Ra4 25. g5 Rxe4 26. Qxe4 Qd4 27. Qg6
Qg4+ 28. Kf1 Nc6 29. Qh6+ Kf7 30. Qh7+ Ke8 31. Qg8+ Ke7 32. gxf6+ Nxf6 33. Qxc8
Nd5 34. Ke1 Qg5 $19 {Nunn}) 22... Qb6+ 23. Kh1 Ke8 24. Qg8+ Ke7 25. Rd1 $3 Nf8
(25... Qd8 26. Qh7+ Kf8 27. Rf1 $22) (25... Nc6 26. Bh5 Nd4 27. Ne4 Nf8 28.
Qf7+ Kd8 29. Qxf6+ Kd7 30. Qxe5 $18) 26. Ne4 Nbd7 27. Nxf6 $1 Kxf6 28. h4 $1
Qe3 (28... Ng6 29. h5 Ndf8 (29... Ne7 30. Qh8+ Kf7 31. h6 $18) (29... Ngf8 30.
h6 Ng6 31. Qg7+ Kf5 (31... Kg5 32. h7 Qd8 33. Bd3 $18) 32. Bd3+ e4 33. Bxe4+
Kxe4 34. Qxg6+ Kf4 35. g3+ Ke5 36. Qg5+ Ke4 37. Qf4#) (29... Nf4 30. h6 Qf2 31.
Qg7+ Kf5 32. Bg4+ Ke4 33. Bf3+ Ke3 34. Qg5 $1 e4 (34... Qxc2 35. Qg3 $18) 35.
h7 exf3 36. Rd3+ Ke2 37. Rxf3) 30. Rf1+ Ke7 31. hxg6 Nxg6 32. Qf7+ {32.Qxg6
should win here also.} Kd6 33. Rd1+ Kc6 (33... Kc5 34. b4+ $18) 34. Bf3+ Kb5
35. Rd3 $40) 29. Bh5 Ke7 30. Qf7+ Kd8 31. Qxf8+ Kc7 32. Qd6+ Kd8 33. Rf1 {
Of course White does not want the perpetual.} Qh6 34. g4 $1 a5 (34... b5 35. g5
Qh8 36. g6 Bb7+ 37. Kg1 Qh6 (37... Rc8 38. Rf7 Qe8 39. g7 Rc6 40. Rxd7+ Kc8 41.
Bxe8 $18) 38. Rf7 Qc1+ 39. Bd1 Qe3+ 40. Kh2 $18) 35. g5 Qh8 36. g6 Ra6 37. Rf8+
Qxf8 38. Qxf8+ Nxf8 39. g7 $18 {A nice way to end the Gothenburg!}) 21. Qg6+
Kf8 (21... Ke7 22. Rxf6 Qb6+ 23. Rf2 axb5 24. Qf7+ Kd8 25. Qxe6 Ne5 (25... Nf8
26. Qf6+ Kd7 27. Nd5 Qd8 28. Qg7+ Kc6 29. Qc3+ Kd7 30. Rf7+) 26. Qg8+ Kd7 27.
Nd5 $40) 22. e5 dxe5 23. Ne4 Qb6+ (23... axb5 24. Qh6+ Kg8 25. Nxf6+ Nxf6 26.
Rxf6 Qd4+ (26... Qd1+ 27. Rf1 Qd4+ 28. Kh1 Qd8 29. Qg6+ Kh8 30. Qh5+ Kg8 31.
Qg4+ Kh7 32. Rf7+ Kh6 33. Qg7+ Kh5 34. Qh7+ Kg4 35. h3+ Kg5 36. h4+ Kg4 37.
Qe4+ Kg3 38. Rf3#) 27. Kf1 $18) 24. Kh1 axb5 (24... Ke7 25. Rxf6 axb5 26. Rf7+
Kd8 27. Qg5+ Kc7 28. Qxe5+ Kd8 29. Qg5+ Kc7 30. Qg3+ Kd8 31. Rg7 e5 (31... Qd4
32. Rg8+ Ke7 33. Qg5+ $18) 32. Qg5+ Kc7 33. Qxe5+ Kd8 34. Rg8+ $18) 25. Nxf6
Ke7 26. Qe8+ Kd6 27. Qxc8 Nxf6 28. Rxf6 $40) 20... dxe5 $2 {Black doesn't use
his chance and doesn't play 20...Qf8 which leads to a draw as the next lines
show} (20... Qf8 $5 21. Rxf6+ (21. Qh5+ Ke7 22. Bxd7 Nxd7 23. exf6+ Kd8) 21...
Nxf6 22. Qxf6+ Kg8 $11) 21. Ne4 axb5 $2 {Another inaccuracy. 21...Qb6 was
called for} (21... Qb6+ $1 22. Kh1 axb5 23. Nxf6 Ke7 24. Qh7+ Kd8 25. Qg8+ Kc7
26. Ne8+ Kd8 $11) 22. Qh7+ Kf8 23. Qh8+ Ke7 24. Qh7+ Kf8 25. Nxf6 Qb6+ {
Other moves also lose} (25... Nxf6 26. Qh8+ Kf7 (26... Ke7 27. Qxf6+ Kd7 28.
Rd1+) 27. Qxd8 Nbd7 28. g4 $18) (25... Qxf6 26. Qh8+ Ke7 27. Rxf6 Nxf6 28. Qxc8
Nfd7 29. Qxb7 $16) 26. Kh1 Nxf6 27. Rxf6+ $18 Ke8 28. Rf7 1-0

[Event "SCG-ch 1st"]
[Site "Kopaonik"]
[Date "2005.05.19"]
[Round "6"]
[White "Ivanisevic, Ivan"]
[Black "Pikula, Dejan"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2500"]
[BlackElo "2500"]
[Annotator "Gofshtein,L"]
[PlyCount "80"]
[EventDate "2005.04.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[EventCategory "11"]
[SourceTitle "CBM 107"]
[Source "ChessBase"]
[SourceDate "2005.08.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.08.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Nbd7 9. Bc4 {White chooses a rare line. The main line of this variation is 9.
0-0-0.} (9. O-O-O) 9... h6 $5 {Black clears the situation immideatly.} 10. Bxf6
{After the bishop retreats black gets a good counterplay as the games show.} (
10. Bh4 g5 $5 11. fxg5 Ne5 12. Qe2 Nfg4 $132 13. Nf3 (13. Bb3 Bxg5 $132 (13...
Bxg5 14. Bg3 Bh4 15. O-O-O Bxg3 16. hxg3 Qg5+ $132 {0-1 Minic,D-Bednarski,J/
Bucharest 1966/EXT 98 (36)})) 13... Qb6 (13... Nxc4 14. Qxc4 hxg5 15. Bg3 Ne3
$132 {0-1 Tarjan,J-Browne,W/USA 1969/EXT 2001 (30)}) 14. Bb3 Bd7 15. Nxe5 Nxe5
16. O-O-O hxg5 17. Bg3 {1/2-1/2 Triger,F-Sahetchian,A/Paris 1993/EXT 97 (27)})
10... Bxf6 $5 {In case of 10...Nf6, as the tournament practice shows, White
seizes the initiative.} (10... Nxf6 11. O-O-O Qc7 12. Bb3 e5 (12... b5 13. e5
Bb7 14. Qg3 Nh5 15. Nxe6 Nxg3 16. Nxc7+ $18 {1-0 Petrosian,A-Yakobashvili,R/
Yerevan 1983/MCD (41)}) 13. Nf5 Bxf5 14. exf5 exf4 15. Qxf4 $36 {1-0 Jovcic,
M-Bogdanovic,R/Titovo Uzice 1966/EXT 98 (54)}) 11. O-O-O O-O {11...Qb6 looks
dangerous, because of a sacrifice on e6 and the black king gets under attack.}
(11... Qb6 12. Nxe6 fxe6 13. Bxe6 (13. Bxe6 Nf8 14. Bb3 (14. Bxc8 Rxc8 15. e5
dxe5 16. fxe5 Bg5+ $13 {1-0 Groszpeter,A-Loeffler,M/Lenk 2001/CBM 081 ext (23)}
) 14... Be6 15. e5 (15. Bxe6 Nxe6 $5 (15... Bxc3 16. Bb3 (16. Qxc3 $1 Nxe6 17.
f5 $36) 16... Bd4 $13 {1-0 Horvath,J-Martinez,C/Copenhagen 1982/EXT 2000 (39)})
16. e5 dxe5 17. fxe5 Bg5+ 18. Kb1 $13) 15... dxe5 16. Rhe1 (16. fxe5 Bg5+ 17.
Kb1 Rd8 18. h4 $36 {1-0 Giles,M-Browne,W/Chicago 1988/EXT 97 (26)}) 16... Bxb3
17. axb3 $44 {1-0 Budde,V-Schulz,K/Germany 1986/GER-chT (58)})) 12. Bb3 (12. g4
Qc7 13. Bb3 b5 14. e5 Bb7 15. Qh3 dxe5 16. Nxe6 fxe6 17. Bxe6+ Kh8 18. Rhg1 Nc5
19. g5 exf4 20. gxf6 Rxf6 $17 {0-1 Jukic,B-Volzhin,A/Ubeda 1996/CBM 051 ext 
(29)}) 12... Qb6 $5 {[%cal Rf6d4,Rb6d4]} (12... Nc5 $5 13. e5 Be7 14. exd6 Bxd6
15. Ne4 Nxe4 16. Qxe4 Qc7 17. f5 exf5 18. Nxf5 Bxf5 $132 {0-1 Geenen,
M-Anastasian,A/Batumi 1999/CBM 074 (60)}) 13. Nde2 Nc5 14. g4 a5 $5 $146 {
[%mdl 8] Black plays very energetically, firstly thinking about counterplay.
14...Bh4 is weaker as was played in one of Keres' games which is given below.}
(14... Bh4 15. Kb1 Bd7 16. Rhg1 Nxb3 17. axb3 Rac8 18. g5 {1-0 Keres,P-Benko,P/
Bled/Zagreb/Belgrade 1959/Candidates (23)} (18. g5 hxg5 19. fxg5 g6 20. Rg4 Bf2
21. Qf6 Bb5 22. Nxb5 axb5 23. Rd3 {1-0 Keres,P-Benko,P/Bled/Zagreb/Belgrade
1959/Candidates (23)})) 15. a3 {White is forced to weaken the defense of his
king, as if the bishop retreats Black would get strong counterplay with the
bishop maneouvre Bc8-d7-c6.} (15. Bc4 Bd7 16. Rhg1 Bc6 {[%cal Rc6e4]}) 15...
Nxb3+ 16. cxb3 Qxb3 17. Rxd6 Ra6 $132 18. Nd4 (18. Rxa6 bxa6 19. h4 Be7 20. g5
Bd7 $132) 18... Bxd4 19. Rxd4 e5 {This way ! Black stops the advance of the
white pawns.} 20. fxe5 Rc6 21. Qd1 $6 {White allows an exchange sacrifice and
Black seizes the initiative. 21.Rhd1 was essential, trying to consolidate his
position.} (21. Rhd1 $5 Be6 22. Rd8) 21... Rxc3+ $1 22. bxc3 Qxc3+ 23. Kb1 Qxa3
24. Qd3 Qc5 25. Rc1 Qb6+ 26. Ka1 Bxg4 {Black got more than enough compensation
for the sacrificed exchange.} 27. Rd5 Be6 28. Qd4 Qa6 $17 29. Qd3 Qa8 {Black
tries to save the queens on board, hoping to create threats to the white king.}
30. Rc7 a4 31. Qb5 a3 32. Rd3 Rc8 {Offering to trade rooks in order to
activate the queen.} 33. Rc5 Kh7 34. Rdd5 $19 Rxc5 35. Qxc5 b6 36. Qc2 Qa6 37.
Ka2 g6 38. Qd2 Qa4 {Further activating the queen.} 39. Qe2 b5 40. h4 b4 1-0

[Event "Carlos Torre Wimbledon 16th"]
[Site "Merida"]
[Date "2003.12.17"]
[Round "1.3"]
[White "Luther, Thomas"]
[Black "Quesada Perez, Yuniesky"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2580"]
[BlackElo "2475"]
[Annotator "Hecht,H"]
[PlyCount "143"]
[EventDate "2003.12.17"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "MEX"]
[SourceTitle "CBM 099"]
[Source "ChessBase"]
[SourceDate "2004.03.30"]
[SourceVersion "1"]
[SourceVersionDate "2004.03.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qa5 9. O-O-O Bd7 10. e5 dxe5 11. fxe5 Nc6 12. Nxc6 Bxc6 13. Qg3 Nh5 14. Qh4
Bxg5+ 15. Qxg5 g6 16. Bd3 O-O 17. Rhe1 Qd8 18. Qg4 Qc7 19. Qg5 Qd8 20. Qg4 Qe7
21. Be4 Rac8 22. Kb1 Bb5 23. Nxb5 axb5 24. Qf3 Qc5 25. g4 Ng7 26. h4 Rfd8 27.
Qf6 Rxd1+ 28. Rxd1 Ne8 29. Qf4 Nc7 30. h5 Nd5 31. Qh6 Qe3 32. Qxe3 Nxe3 33. Rd4
Kg7 34. Bxb7 Rc5 35. Re4 Nc4 36. Kc1 Nxe5 37. b4 Rc7 38. Rxe5 Rxb7 39. hxg6
hxg6 40. g5 f6 41. Rxe6 fxg5 42. Kd2 Kh6 43. c4 bxc4 44. Kc3 Ra7 {Black's only
chance lay in an immediate advance of his passed g-pawn. Die einzige schwarze
Chance bestand im sofortigen Vorgehen des g-Freibauern.} (44... g4 45. a4 Kg5
46. a5 g3 47. Kxc4 g2 48. Re1 Kf4 49. a6 Rh7 (49... Ra7 50. b5 Kf3 51. Kc5 Kf2
52. Rb1 g1=Q 53. Rxg1 Kxg1 54. Kb6 Ra8 55. Kb7 Rh8 56. a7 g5 57. b6 g4 58. a8=Q
Rxa8 59. Kxa8 g3 60. b7 g2 61. b8=Q $18 {even with only a single tempo wenn
auch nur mit einem Tempo}) 50. Rg1 Kg3 51. b5 Rh1 52. Rxg2+ Kxg2 53. b6 Ra1 54.
b7 Rxa6 55. b8=Q $18 {because the black pieces are not co-operating well. weil
die schwarzen Steine nicht zusammenarbeiten.}) 45. Re2 g4 46. Kxc4 Kg5 47. b5
Rc7+ 48. Kb4 Rc1 49. Rb2 Kf4 50. b6 Rc8 {Black's last three rook moves have
cost some tempi, which hastens the end.  Die drei letzten Turmzьge von Schwarz
haben einige Tempi gekostet, was den Verlust beschleunigt.} 51. a4 g3 52. a5
Rb8 53. Kb5 Kf3 54. a6 g2 55. Rxg2 Kxg2 56. a7 Ra8 57. Ka6 g5 58. b7 Rxa7+ 59.
Kxa7 g4 60. b8=Q g3 61. Qb2+ Kh1 62. Qc1+ Kh2 63. Qf4 Kh3 64. Qf3 Kh2 65. Qh5+
Kg1 66. Kb6 g2 67. Kc5 Kf2 68. Qf5+ Ke1 69. Qe4+ Kf2 70. Qf4+ Ke2 71. Qg3 Kf1
72. Qf3+ 1-0

[Event "Interzonal-03"]
[Site "Gothenburg"]
[Date "1955.09.06"]
[Round "14"]
[White "Keres, Paul"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[ECO "B98"]
[Annotator "Knaak,R"]
[PlyCount "49"]
[EventDate "1955.08.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "SWE"]
[SourceTitle "100 Jahre Schach"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

{[%mdl 8] Mit einem sehr aggressiven Aufbau versuchen hier drei Argentinier
gleichzeitig (alle in der 14. Runde) ihre sowjetischen Gegner zu ьberraschen.
Doch die Ьberraschung misslingt komplett.  Aus heutiger Sicht bleibt die
Bewertung des Bauernopfers 9...g5 unklar. Von den Topspielern wird die
Variante gemieden und deshalb kommt kein Licht in die Angelegenheit.} 1. e4 c5
2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 {Kasparov
wechselt zwischen den Alternativen 7...Qb6 und 7...Qc7.} 8. Qf3 h6 9. Bh4 g5 $5
{Das ist natьrlich die Konsequenz der vorangegangenen Zьge, doch auch 9...Qa5
ist spielbar.} 10. fxg5 Nfd7 11. Nxe6 $5 {Schwarz muss sich bei seinen
Analysen auch mit dem ruhigeren} (11. Qh5 {befassen.}) 11... fxe6 12. Qh5+ Kf8
13. Bb5 Kg7 $2 (13... Ne5 $2 14. Bg3 Bxg5 (14... Rh7 $16) 15. O-O+ Ke7 16. Bxe5
Qb6+ 17. Kh1 dxe5 18. Qf7+ Kd6 19. Rad1+ Qd4 20. Rxd4+ exd4 21. e5+ Kc5 22.
Qc7+ Nc6 23. Bxc6 {1-0 Geller,E-Panno,O/Goteborg 1955/IZT (23)}) (13... Rh7 $5
{wurde von Fischer eingefьhrt und kцnnte die Variante retten:} 14. O-O+ (14.
Qg6 $11) 14... Kg8 15. g6 Rg7 16. Rf7 Bxh4 17. Qxh6 Qf6 (17... Rxf7 {WeiЯ hat
Dauerschach, aber vielleicht nicht mehr.} 18. gxf7+ Kxf7 19. Qh7+ Ke8 $1 (19...
Kf8 $2 20. Rf1+ Bf6 21. Be2 Qb6+ (21... Ne5 22. Bh5) (21... Nc6 22. Bh5 Nde5
23. Rf4 $18) 22. Kh1 Ke8 23. Qg8+ Ke7 24. Bh5 d5 25. exd5 $18 {Jansa-Fichtl/
CSR-ch 1962}) 20. Qh5+ Kf8 $1 {Derart gelangt WeiЯ nicht zur Partie
Jansa-Fichtl.}) 18. Rf1 axb5 $1 19. R7xf6 (19. e5 Bg5 $1) 19... Bxf6 20. Nxb5
$14) 14. O-O Ne5 15. Bg3 Ng6 16. gxh6+ Rxh6 17. Rf7+ Kxf7 18. Qxh6 axb5 19.
Rf1+ Ke8 20. Qxg6+ Kd7 21. Rf7 Nc6 22. Nd5 Rxa2 (22... exd5 23. Qxd6+ Ke8 24.
Qg6 Kd7 25. exd5 $18) 23. h4 ({Die "Nebenlцsung" war} 23. h3 Qh8 24. Nxe7 Nxe7
25. Qg5 Ra1+ 26. Kh2 Qd8 27. Qxb5+ Kc7 28. Qc5+ Kb8 29. Bxd6+ Ka8 30. Bxe7 Ra5
31. Qb4 {1-0 Spassky,B-Pilnik,H/Goteborg 1955/IZT (31)}) 23... Qh8 24. Nxe7
Nxe7 25. Qg5 1-0

[Event "Corus"]
[Site "Wijk aan Zee"]
[Date "2010.01.16"]
[Round "1"]
[White "Smeets, Jan"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "B98"]
[WhiteElo "2657"]
[BlackElo "2708"]
[Annotator "Marin,M"]
[PlyCount "67"]
[EventDate "2010.01.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "19"]
[SourceTitle "CBM 135"]
[Source "ChessBase"]
[SourceDate "2010.03.17"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
h6 $5 {Stepping aside from the main stream. The h6-pawn may be useful for
slowing fown g4-g5, but in some cases the weakness of the g6-square may become
relevant.} 9. Bh4 Qc7 10. O-O-O Nbd7 11. f5 e5 12. Nde2 $5 {A very rare move,
which is connected with a concrete plan of setting up a domination on light
squares.} (12. Nb3 {is usually played.}) 12... b5 13. Bxf6 Nxf6 14. Nd5 Qc5 $1
{For the time being, it is essential to avoid clearing the e4-square for the
reserve knight.} (14... Nxd5 $6 15. exd5 Bb7 16. Ng3 {leads to a situation
where the black king cannot find an absolutely safe location. The knight is
important for unblocking the f6-square, while Black's queenside counterplay
would be rather slow.} Rc8 17. Bd3 {[%cal Gc1b1,Gh2h4,Gg3h5,Gf5f6]}) 15. Nec3
Bb7 16. Nxf6+ Bxf6 17. Nd5 Rc8 18. c3 Bxd5 $1 {Now is a good moment for this
exchange.} 19. Rxd5 (19. exd5 {is by far less effective now. Black's kingside
has become very stable after the exchange of the last knight while the white
queenside has been weakened with c3 and will be submitted to a strong attack
based on ...b4.}) 19... Qb6 20. Qd3 Rc6 21. a3 Ke7 22. Kb1 h5 {The position
has stabilized and it is hard to make any progress with either side.} 23. Be2
h4 24. Bd1 Qf2 25. Qe2 Qxe2 26. Bxe2 Rb8 27. Rhd1 Bg5 28. Kc2 Bf4 29. h3 Be3
30. R1d3 Bf4 31. Rd1 Be3 32. R1d3 Bf4 33. Rf3 Rc5 34. Rfd3 1/2-1/2

[Event "EU-ch 11th"]
[Site "Rijeka"]
[Date "2010.03.12"]
[Round "7"]
[White "Savchenko, Boris"]
[Black "Zhigalko, Andrey"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2652"]
[BlackElo "2587"]
[Annotator "Postny,E"]
[PlyCount "115"]
[EventDate "2010.03.06"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "CBM 136"]
[Source "ChessBase"]
[SourceDate "2010.05.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 (7...
Qb6 8. Qd2 Qxb2 {leads to the well-known "poisoned pawn" variation.}) 8. Qe2 {
This is a rare continuation. Normally White develops his queen to f3.} ({
The main line continues with} 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 b5 {and so on.})
8... h6 9. Bxf6 {White gives up the bishop in order to gain time for quick
development.} ({Another option is} 9. Bh4 Nxe4 $1 10. Bxe7 Nxc3 11. Qc4 Kxe7
12. Qxc3 {and White has some long-term compensation for the sacrificed pawn.})
9... Bxf6 10. O-O-O {Boris Savchenko had already employed this line beforehand
successfully.} Nd7 $6 {I don't like this way of development. The knight should
go to c6. Black can't play 10...Nc6 immediately, but should prepare it by 10...
Qc7.} (10... Qa5 $6 11. Qd3 Be7 12. h4 Bd7 13. Nb3 Qb6 14. Qg3 Rg8 15. f5 Nc6
16. fxe6 fxe6 17. Na4 Qb4 18. Nac5 $1 g5 (18... dxc5 19. Qg6+ Kf8 20. Rxd7 Ne5
21. Qxe6 Nxd7 22. Bc4 $18) 19. a3 $16 {1-0 Savchenko,B (2578)-Aagaard,J (2531)/
Helsingor 2008/CBM 125 Extra (29)}) (10... Qc7 $1 11. h4 Nc6 12. Nxc6 Bxc3 13.
Nd4 Bxd4 14. Rxd4 e5 $11 {1/2-1/2 Narmontas,M (2345)-Andriasian,Z (2463)/
Herceg Novi 2006/CBM 114 ext (46)}) 11. h4 Qb6 12. Qd2 {Now White's plan is
rather simple: to push g2-g4-g5. Black has to force some simplifications.} g5
$6 (12... Bxd4 13. Qxd4 Qxd4 14. Rxd4 Ke7 15. Be2 Rd8 16. Rhd1 Nb8 {is
slightly worse for Black, but still playable. Later in the game Black got a
worse version of this position.}) 13. g3 $16 (13. hxg5 $6 hxg5 14. Rxh8+ Bxh8
15. fxg5 Qxd4 16. Qxd4 Bxd4 17. Rxd4 Ke7 $132 {[%csl Ge5][%cal Gd7e5]}) 13...
Bxd4 {This is a sad necessity for Black.} ({The following variation
demonstrates very well the danger for Black's position:} 13... gxf4 14. gxf4
Nc5 15. Qe3 {[%cal Ge4e5]} Qc7 16. Nf5 $3 exf5 17. e5 dxe5 18. Nd5 Qd6 19.
Nxf6+ Qxf6 20. Qxc5 e4 21. Bc4 Be6 22. Bxe6 fxe6 23. Rhg1 $18 {[%csl Re8]}) 14.
Qxd4 Qxd4 15. Rxd4 gxf4 16. gxf4 Ke7 17. Be2 Rg8 {Black decided to give up the
pawn, but at least to seize the g-file.} (17... Rd8 18. Rhd1 Nb8 19. R4d3 Nc6
20. Rg3 $16 {Now it can be clearly seen that the opening of the g-file was in
White's favour.}) 18. Rhd1 Rg2 19. Rxd6 {White has a pawn practically for
nothing, but still has to overcome serious technical difficulties.} Rf2 20. f5
b5 21. a3 Ne5 22. Rb6 Ra7 (22... exf5 23. exf5 Bxf5 24. Rxh6 Rc8 25. Rd2 $18)
23. fxe6 fxe6 24. Rg1 Rc7 25. Rg7+ Rf7 26. Rxf7+ Kxf7 27. Rd6 {The rook has
done its job on the queenside, and is now going back to the other side.} (27.
a4 $2 Nd7 28. Rd6 b4 {gives Black unnecessary counterplay.}) 27... Ke7 28. Rd1
Ng6 29. Rf1 Bd7 (29... Nxh4 30. Rh1 Ng6 31. Rxh6 {and so on.}) 30. Kd2 {
Time for the king to join the game.} Rc8 31. Bh5 Ne5 (31... Nxh4 32. Rf4 Ng2
33. Rf7+ Kd8 34. Rh7 $18) 32. Rg1 Kd6 33. Be2 Kc5 34. Ke3 a5 35. Kf4 Nf7 36. e5
{Finally White has achieved significant progress.} Bc6 37. Rg7 Rf8 38. Ne4+
Bxe4 39. Kxe4 b4 40. axb4+ {I would prefer to keep more pawns on the board by
40.a4, but it's probably a matter of taste.} axb4 41. Rh7 Nd8 42. Rxh6 Rf2 43.
Bd3 Rh2 44. b3 Nc6 45. Bc4 $2 {Obviously, White shouldn't give up the Pc2.} (
45. Rh8 Rh1 46. Kf4 $18) 45... Rxc2 46. Rxe6 $2 (46. h5 {was still winning
with precise play.} Rh2 47. Bxe6 Nd4 48. Bg4 $1 Nxb3 49. e6 Kd6 50. Rh7 Nc5+
51. Ke3 $1 Ra2 52. e7 Ra8 53. Rf7 Re8 54. h6 $18) 46... Na5 $1 {Suddenly White
has spoiled it all!} 47. Bd5 Re2+ 48. Kd3 Rh2 49. Ra6 Rh3+ 50. Kc2 Kxd5 (50...
Rh2+ $1 51. Kc1 Kxd5 52. Rxa5+ Ke6 53. Rb5 Rxh4 $11) 51. Rxa5+ Kd4 (51... Ke6 {
is again enough for a draw.}) 52. e6 Rh2+ 53. Kd1 Rxh4 54. Rb5 Rh6 $2 {This is
the decisive and pretty instructive mistake.} (54... Rh8 $1 55. Rxb4+ Kd3 56.
Kc1 (56. Ke1 Ke3 $11) 56... Kc3 57. Rc4+ Kxb3 58. Re4 Kc3 $8 $11) 55. Rxb4+ Kd3
56. Kc1 Kc3 $2 (56... Rxe6 {should have been played. This position is lost,
but White has to know the way:} 57. Kb2 Rc6 58. Rh4 Rc8 59. b4 Rc4 60. Rh3+ Kd4
61. Kb3 Rc8 62. Rh5 $1 $18 {It's a theoretical win, as Black's king is cut off.
}) 57. Rc4+ Kxb3 58. Re4 (58. Re4 Rh8 59. e7 Re8 60. Kd2 $18 {[%cal Gd2d3,
Gd3d4,Gd4d5,Gd5d6,Gd6d7]}) 1-0

[Event "FIDE World Cup"]
[Site "Tbilisi"]
[Date "2017.09.10"]
[Round "3.2"]
[White "Dubov, Daniil"]
[Black "Artemiev, Vladislav"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2666"]
[BlackElo "2692"]
[Annotator "Sagar Shah/Amruta Mokal"]
[PlyCount "81"]
[EventDate "2017.09.03"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "GEO"]
[SourceTitle "CBM 181"]
[Source "ChessBase"]
[SourceDate "2017.11.10"]
[SourceVersion "1"]
[SourceVersionDate "2017.11.10"]
[SourceQuality "1"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:58]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:
00:18]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:12]} 4. Nxd4 {[%emt 0:00:00]}
Nf6 {[%emt 0:00:38]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:19] Dubov was not
expecting his opponent to play the Najdorf, so he hadn't prepared much for it.}
6. Bg5 {[%emt 0:00:00]} e6 {[%emt 0:06:24]} 7. f4 {[%emt 0:00:06]} h6 {[%emt 0:
00:49] Inserting this move has been a recent fashion. It can be useful to play
...g5 in some variations otherwise it is played before going for the ...Qb6
Poisoned Pawn variation.} (7... Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 {The sharpest
"Poisoned Pawn variation" is the most famous line in the Bg5-Najdorf, which
was Kasparov and Fischer's favourite.}) 8. Bh4 {[%emt 0:00:10]} Be7 {[%emt 0:
01:21]} (8... Qb6 9. Qd2 {leads to the complicated Poisoned Pawn variation.} (
9. a3 Be7 10. Bf2 Qc7 11. Qf3 Nbd7 12. O-O-O b5 13. g4 g5 $1 14. h4 gxf4 15.
Be2 Rg8 16. Rdg1 d5 17. exd5 Ne5 18. Qh3 exd5 19. Re1 Kf8 20. Nf5 Bxf5 21. gxf5
Bc5 22. Qf1 d4 23. Nb1 Ne4 24. Bf3 Nxf2 25. Bxa8 Ned3+ 26. Kd2 Nxe1 27. Qxf2 d3
28. Qxe1 Be3+ {0-1 (28) Giri,A (2790)-Vachier Lagrave,M (2788) Stavanger NOR
2016}) 9... Qxb2 10. Rb1 Qa3 11. e5 dxe5 12. fxe5 Nfd7 13. Ne4 Qxa2 14. Rd1 Qd5
15. Qe3 Qxe5 16. Be2 Bc5 17. Bg3 Qd5 18. c4 Bxd4 19. Rxd4 Qa5+ 20. Rd2 O-O 21.
Bd6 f5 22. Bxf8 Nxf8 23. Nd6 Nbd7 24. g4 fxg4 25. Bxg4 Qa1+ 26. Rd1 Qe5 27. Rd3
Nc5 28. O-O Nxd3 29. Qxd3 Bd7 30. Nxb7 Rb8 31. Bf3 Qc7 32. Nd6 Qc5+ 33. Rf2 a5
34. Nb7 Qb4 35. Qe4 Nh7 36. c5 Ng5 {0-1 (36) Najer,E (2687)-Vachier Lagrave,M 
(2798) Dortmund GER 2016}) 9. Qf3 {[%emt 0:00:07]} Nbd7 {[%emt 0:02:25]} 10.
O-O-O {[%emt 0:00:16]} g5 {[%emt 0:10:40] The move ...g5 came as a surprise to
Dubov. He was already out of his preparation. But it has already been seen in
nearly 50 odd games, though none on the highest level.} (10... Qc7 {is the
main line.}) 11. fxg5 {[%emt 0:01:05]} hxg5 {[%emt 0:00:10]} 12. Bg3 {[%emt 0:
00:35] Artemiev thinks a lot about his moves. While Vladislav was
contemplating on what he would play, Daniil decided that he would sacrifice
his bishop on b5 if he got the opportunity.} (12. Bxg5 {is the main
continuation} Ne5 13. Qf4 (13. Qe2) 13... b5 14. a3 Nh5 15. Bxe7 Nxf4 16. Bxd8
Kxd8 17. g3 Nh3 18. Rd2 Ke7 19. Bg2 Bb7 20. Nf3 Nxf3 21. Bxf3 Rad8 22. Bg2 Ba8
23. b3 f6 24. Re1 Rh5 25. Re3 Ng5 26. h4 Nf7 27. Ne2 Rh6 28. Nd4 Rh5 29. Ne2
Bb7 30. Nf4 Rc5 31. Bh3 Bc8 32. Ng6+ Ke8 33. Rf2 e5 34. Bg2 f5 35. exf5 Nh6 36.
Bh3 {1-0 (36) Adhiban,B (2590)-Tate,A (2321) Caleta 2014}) 12... Qc7 {[%emt 0:
03:34]} 13. Bb5 $5 {[%emt 0:01:28] Wow! It being an over the board decision
makes this all the more impressive. Dubov's idea in this game was to get such
a complicated position that the thought of a draw was removed from his mind
and he would be prepared for a fully fledged fight.} g4 {[%emt 0:18:27]} ({
Taking the bishop was surely an option.} 13... axb5 14. Ndxb5 Qc5 15. Bxd6 (15.
Bf2 g4 (15... Qb4 16. a3 Qa5 17. Nxd6+ Bxd6 18. Rxd6 Ra6 $13) 16. Qg3 $5 {
practically poses more problems.} (16. Qxf6 Bxf6 17. Bxc5 Nxc5 18. Nc7+ Kd7 19.
Nxa8 Bxc3 20. Nb6+ Kc6 21. Nxc8 Be5 $17 {[%csl Rc8] Black is better here})
16... Qc6 17. Nxd6+ Kf8 18. e5 Nh5 19. Qe3 (19. Qxg4 Nxe5 $17 {[%csl Ga8,Rd6,
Gf8][%cal Ge5g6]}) 19... Ng7 $17 {Black might look better because of the
material superiority, but White has good chances and his pieces are all well
positioned. Black needs to be careful not to fall for any nasty threats by
White.}) 15... Bxd6 16. Nxd6+ Ke7 17. Rhf1 Rxh2 {is interesting} (17... Rh4 $5)
18. Nxf7 $5 Kxf7 19. Rxd7+ Bxd7 20. Qxf6+ Ke8 21. Qf7+ Kd8 22. Rd1 Qe7 23. Qg8+
Qe8 24. Qxg5+ Kc8 25. Rxd7 (25. Qc5+ Bc6 26. Nb5 Rh5 $1 $17 (26... Qh8 27. Nd6+
Kc7 28. Nb5+ $11) 27. Nd6+ Kb8 28. Qb6 Qd7 29. Nc4 Ra6 30. Rxd7 Rxb6 31. Nxb6
Bxd7 32. Nxd7+ Kc7 $17 {This is a very long variation which is of course not
all forced but gives you an idea of what play might look like if it continued
along these lines.}) 25... Kxd7 26. Qb5+ Kd6 27. Qb6+ Qc6 28. Qd4+ Ke7 29. Qg7+
$11 {This will lead to perpetual checks and a draw.}) 14. Qe2 {[%emt 0:04:58]
Of course Dubov wanted Black to take his bishop on b5 at all cost.} (14. Bxd7+
Bxd7 15. Qe2 $13) 14... e5 {[%emt 0:06:05]} (14... axb5 15. Ndxb5 Qc5 16. Nxd6+
Kf8 $13) 15. Nf5 {[%emt 0:02:01]} axb5 {[%emt 0:00:22] Finally! White was very
happy when his opponent took this bishop. It meant that now he could continue
to play the game in aggressive style, just the way he had decided before the
game.} 16. Nxb5 {[%emt 0:00:06]} Qc6 {[%emt 0:06:39]} 17. Nbxd6+ {[%emt 0:00:
30]} Bxd6 {[%emt 0:06:03]} 18. Nxd6+ {[%emt 0:00:41]} Kf8 {[%emt 0:04:09]} 19.
a3 {[%emt 0:00:08] Asking Black, what would you like to do now?} Ne8 {[%emt 0:
03:09]} 20. Nf5 $6 {[%emt 0:03:01]} (20. Nxe8 Kxe8 21. Rd5 {[%csl Ge5]} b5 22.
Bxe5 (22. Rhd1 b4 23. Qd3 Rh5 24. Bxe5 bxa3 25. Kb1 $13 {Black seems to be
holding on here.}) 22... Nxe5 23. Rxe5+ Be6 24. Qxb5 Qxb5 25. Rxb5 $13 {
[%csl Ga3,Gb2,Gc2,Re6] Perhaps the evaluation should be closer to equality
than an advantage for Black.}) 20... Ra4 $1 {[%emt 0:04:36][%csl Re4]} 21. Be1
{[%emt 0:11:05] Dubov realised that he was worse here and offered a draw. This
turned out to be the best move of the game as Artemiev thought for a long time
before making his next move.} (21. Rhe1 Ndf6 $17 {[%cal Gc8f5]}) 21... Ndf6 {
[%emt 0:10:57]} (21... Qxe4 22. Qxe4 Rxe4 23. Bb4+ Rxb4 24. axb4 Ndf6 25. Ne3
Be6 $17 {[%cal Gf8e7,Ge8d6] Black should be better.}) 22. Ng3 {[%emt 0:02:04]}
Nxe4 {[%emt 0:03:05]} 23. Rd8 {[%emt 0:01:44]} Be6 $6 {[%emt 0:05:40] With so
many options in the position, Artemiev goes wrong.} (23... Ke7 24. Rxc8 Qxc8
25. Nxe4 Qc4 $1 26. Qxc4 Rxc4 $17) (23... f6 $1 {A difficult choice to make,
this protects the important e5-pawn,which limits White's attacking chances.}
24. Rxc8 (24. b3 Nxg3) 24... Qxc8 25. Nxe4 Qc4 $8 26. Qxc4 Rxc4 27. Nd2 Rc7 $17
) (23... Nxg3 {was also possible.} 24. Qxe5 Rh5 25. Qxg3 Rc5 $17) 24. Bb4+ $1 {
[%emt 0:02:23][%cal Ga4e4] Cutting off the rook.} Rxb4 {[%emt 0:00:07]} 25.
axb4 {[%emt 0:00:05]} Nxg3 {[%emt 0:03:40]} 26. Qxe5 {[%emt 0:00:07] This the
reason why Black should have played f6 instead of Be6} Ke7 {[%emt 0:02:10]} (
26... Nxh1 {This was Artemiev's original intention, but he missed the super
strong} 27. b5 $1 $16 {The queen cannot stay in touch with the e8-knight and
hence Qxh8 would be very strong now.} (27. Qxh8+ Ke7 $19)) 27. Rhd1 {[%emt 0:
02:50]} Rxh2 {[%emt 0:00:29]} 28. b5 {[%emt 0:00:31]} Ne2+ $2 {[%emt 0:00:27]}
(28... Qb6 29. Qxg3 Rh5 30. Qa3+ Qc5 31. Qa8 Qg5+ 32. Kb1 Qxb5 $15) (28... Qc4
29. Qxg3 Rh5 30. b6 Qa4 $17) 29. Kb1 $1 {[%emt 0:00:27]} (29. Qxe2 Qxg2 $13)
29... Qc4 $2 {[%emt 0:00:34]} (29... Qb6 30. Qxh2 $16 {[%csl Re7] This is also
worse for Black but it is playable and much better than what happened in the
game.}) {[%tqu "En","","","","d8e8","A very nice combination.",10]} 30. Rxe8+
$1 {[%emt 0:03:14] A very nice combination.} Kxe8 {[%emt 0:00:06]} 31. Qb8+ {
[%emt 0:00:04]} Bc8 {[%emt 0:00:55]} (31... Ke7 32. Qd8#) 32. Qxh2 $18 {
[%emt 0:00:09] As they say rest is matter of technique.} Nc3+ {[%emt 0:00:31]}
(32... f6 33. Qh8+ Ke7 34. Rd8 $18 {[%csl Re7]}) 33. bxc3 {[%emt 0:00:08]}
Qxb5+ {[%emt 0:00:04]} 34. Kc1 {[%emt 0:00:04]} Qg5+ {[%emt 0:00:29]} 35. Rd2 {
[%emt 0:00:01]} Qa5 {[%emt 0:00:40]} 36. Rd4 {[%emt 0:04:06]} Qg5+ {[%emt 0:00:
44]} 37. Kd1 {[%emt 0:01:13]} Qf6 {[%emt 0:00:17]} 38. Qc7 {[%emt 0:00:21]}
Qf1+ {[%emt 0:00:10]} 39. Kd2 {[%emt 0:00:02]} Qxg2+ {[%emt 0:00:14]} 40. Kc1 {
[%emt 0:00:00]} Qf1+ {[%emt 0:00:34]} 41. Rd1 {[%emt 0:00:12] This was a game
between two of the most talented Russians. And it lived up to the expectations,
with fearless play by Dubov, and some very nice defence by Artemiev, but after
a point he was not able to hold his nerve.} 1-0

[Event "Saintly Cup"]
[Site "Sydney"]
[Date "1999.01.31"]
[Round "9"]
[White "Solomon, Stephen J"]
[Black "Mas, Hafizulhelmi"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2435"]
[BlackElo "2401"]
[Annotator "Tyomkin,D"]
[PlyCount "63"]
[EventDate "1999.01.22"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "AUS"]
[EventCategory "10"]
[SourceTitle "CBM 070"]
[Source "ChessBase"]
[SourceDate "1999.06.08"]
[SourceVersion "1"]
[SourceVersionDate "1999.06.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qa5 9. O-O-O Bd7 10. e5 dxe5 11. Nb3 (11. fxe5 $5 Nc6 12. Nf5 $5 (12. Bf4 Nxd4
13. Rxd4 Bc6 14. Qg3 Nh5 15. Qg4 Nxf4 $15 {1/2-1/2 Pyhala,A-Niemela,A/Helsinki
1995/EXT 98 (57)}) (12. Nxc6 Bxc6 13. Qg3 Nh5 (13... Nd7 $2 14. Bxe7 Kxe7 15.
Qxg7 Rag8 $6 16. Rxd7+ Bxd7 17. Qf6+ Ke8 18. Be2 $18 {[%csl Rf7][%cal Ge2h5]}
Bc6 19. Bh5 Qc7 20. Rd1 Kf8 21. Rd8+ Be8 22. Ne4 Qxd8 23. Qxd8 {1-0 Naole,
S-Satterlee,R/Kona 1998/EXT 99 (23)}) 14. Qh4 Bxg5+ 15. Qxg5 g6 16. Be2 h6 17.
Qe3 Ng7 $11 {[%cal Gg7f5] 1/2-1/2 Zaw Oo-Mas,H/Yangon MYA 1998 (46)}) 12...
exf5 13. exf6 gxf6 14. Bf4 $44 O-O-O $2 (14... Be6 $5) 15. Nd5 Be6 16. Bc4 Bd6
$2 (16... Bc5 $142 {[%csl Yb6]}) 17. Bd2 Nb4 18. a3 Bxd5 19. Qxf5+ Kb8 20. Bxb4
$18 {1-0 Howell,J-James,D/Hastings 1995/CBM 48 ext (48)}) (11. Qxb7 $4 exd4 12.
Qxa8 O-O 13. Bxf6 gxf6 14. Qb7 (14. Ne4 Qb6 {[%cal Rd7c6]}) 14... dxc3 $19 {
0-1 Llompart,A-King,D/Oviedo 1992/TD (22)}) 11... Qc7 12. fxe5 Bc6 (12... Qxe5
$2 13. Qxb7 Qxg5+ 14. Kb1 O-O 15. Qxa8 $18) 13. Qg3 Nh5 $6 $146 (13... Nfd7
$143 14. Bxe7 Kxe7 15. Qg5+ $16 Ke8 16. Rd6 Rg8 17. Be2 Nf8 18. Nd4 Ng6 19. Rd1
Qe7 20. Nxe6 $1 $18 {1-0 Rutherford,S-Curtis,R/Melbourne 1996/EXT 98 (31)}) (
13... Ne4 $142 $5 $146 14. Nxe4 Bxe4 15. Bd3 Bxd3 16. Rxd3 Bxg5+ 17. Qxg5 O-O (
17... Nc6 18. Qxg7 Qxe5 19. Qg4 $16 {[%csl Re8]}) 18. Rg3 g6 19. Re1 (19. Rh3
Nc6 20. Qh6 f6) 19... Nc6 $13) 14. Qe3 h6 15. Bxe7 Qxe7 {[%cal Ge7g5]} 16. h4
$1 {[%csl Yg5,Rh5][%cal Gh1h2,Yg2g4,Gf1e2][%mdl 4] aimed against 16...Qg5! and
intending Rh2(h3) and g2-g4.} (16. Be2 Qg5 $1) 16... g6 (16... Qb4 $2 {[%cal
Gb4f4]} 17. Rd4) 17. Na5 $1 {[%csl Rd6][%cal Ga5c4]} Ng7 18. Rh3 $16 {White's
advantage is obvious:black king stays in the center,squares d6 and f6 are
perfect outposts for white pieces inside black's position.} h5 19. Ne4 Nf5 20.
Qf4 Qc7 21. Nxc6 (21. Nd6+ Kf8 22. Nac4 Nd7 $16) 21... Nxc6 22. Nd6+ Kf8 23.
Bd3 Qa5 (23... Nxd6 $2 24. exd6 {[%cal Rd3g6]}) 24. Bxf5 gxf5 (24... exf5 25.
e6 $1 Qxa2 (25... fxe6 26. Qg5 $18) 26. Nxf7 Qa1+ 27. Kd2 Qa5+ 28. c3 $18 {
[%cal Gf4d6]}) 25. Re3 Rb8 (25... Qxa2 $2 26. Ra3 $18) (25... Nb4 26. Rb3 Nc6
27. Rxb7 Nxe5 28. Qg3 $1 $18 {[%cal Rb2b4,Rd6f7,Yg3a3]}) (25... Rd8 $142 26. a3
$16 (26. Qg5 Rd7 27. Qf6 Rh7)) 26. a3 $18 {There is no reason to hurry up for
white.Black is hopeless-he has no way to connect his pieces.} Ne7 27. Qg5 Rh7 (
27... Nd5 28. Rg3 $18) 28. b4 Qa4 29. Rc3 {White threat is 30.Nc8! Qe8(only
move)31.Nb6 (with the idea Nd7) Rd832.Rxd8 Rxd8 33.Rc8!} Nc6 (29... Z0 30. Nc8
Qe8 31. Nb6 Rd8 32. Rxd8 Qxd8 33. Rc8 $1) 30. Rg3 Ne7 {[%tqu "En","Find the
winning move for white in this position.","","","d6b7","",10]} 31. Nxb7 $1 {
That is the end of the story!} f4 32. Nc5 {[%cal Rc5d7]} 1-0

[Event "Lee Cup 4th"]
[Site "Beijing"]
[Date "1997.08.24"]
[Round "2"]
[White "Oll, Lembit"]
[Black "Xu, Jun"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2645"]
[BlackElo "2505"]
[Annotator "Tyomkin,D"]
[PlyCount "73"]
[EventDate "1997.08.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 061"]
[Source "ChessBase"]
[SourceDate "1997.11.23"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nc6 {This variation is very dangerous for black} 10. Nxc6 $16 bxc6
(10... Qxc6 {Tyomkin,D} 11. Bd3 b5 12. Rhe1 b4 13. Bxf6 Bxf6 14. Nd5 Be7 15.
Nxe7 Kxe7 16. f5 $16 {Sanchez-Garcia,JC, Mesa 1992}) 11. e5 dxe5 (11... Nd5 {
Tyomkin,D} 12. Bxe7 Qxe7 (12... Kxe7 $4 13. Ne4 $18 {now white is getting
decisive attack} dxe5 14. Qa3+ c5 15. Nxc5 Ke8 16. Ne4 Qe7 (16... exf4 17. Nd6+
Kd8 18. Bc4 $18) 17. Nd6+ Kf8 18. c4 Nxf4 {[%tqu "En","Find a winning move","",
"","d6f5","1-0 Plunksnis,V-Zacharov,V/LTU-ch Vilnius 1996/EXP 53",10]} 19. Nf5
{1-0 Plunksnis,V-Zacharov,V/LTU-ch Vilnius 1996/EXP 53}) 13. Ne4 dxe5 14. fxe5
O-O 15. Bd3 (15. c4 $142 Nc7 16. Bd3 $36) 15... Rb8 16. c4 Qb4 17. Rd2 Ne7 18.
Qh5 Rd8 $4 (18... h6 19. Rf1 $40 {[%csl Rc8] +/-} (19. Nd6 Qa5 (19... Nf5 20.
g4) 20. Rf1 Nf5) (19. Nf6+ Kh8)) {[%tqu "En","","","","e4f6","",10]} 19. Nf6+
gxf6 20. Bxh7+ Kg7 21. exf6+ Kxf6 22. Qh6+ Ng6 23. Rf1+ Ke7 24. Qg5+ Kf8 25.
Rxf7+ {1-0 Rubinetti,J-Sampaolesi,N/ARG-ch Buenos Aires 1975/MCD-ch}) 12. fxe5
Nd5 13. Bxe7 Nxe7 (13... Qxe7 {-11...Nd512.Bxe7Qxe7}) 14. Re1 $146 (14. Ne4 {
Chekhov} O-O 15. Qc3 Nd5 16. Qd4 $16 Rb8 17. c4 (17. a3 $5 {/\ c4/}) 17... c5
$1 (17... Nf4 18. Nd6 Ng6 19. Qc5 $16) 18. Nxc5 (18. Qxc5 $2 Qxe5 19. Nc3 Qf4+)
18... Nb4 19. a3 Nc6 20. Qd6 Qb6 21. Rd2 $1 {Keres,P-Stahlberg,G/Moscow,1956/1/
2-1/2 (32)}) 14... Rb8 15. Qg3 Nf5 $2 (15... O-O $142 16. Bd3 c5 17. Ne4 Nf5 (
17... Kh8 18. Nd6) 18. Nf6+ Kh8 19. Bxf5 exf5 $132) 16. Qf2 O-O (16... c5 17.
Ne4 $1 Qxe5 (17... c4 18. g4 $16) 18. Nc3 Qf6 $8 19. Qxc5 $36) 17. Qc5 {
Now white queen is blocking all black pieces on the queenside} a5 (17... Qb6
18. Qxb6 Rxb6 19. Na4 $16 {[%cal Ga4c5,Gg2g4] _|_}) 18. b3 Rd8 19. Bc4 $16 {
[%csl Rc8][%cal Gg2g4,Gc3e4,Gh1f1] white has big advantage:blackB hasn't
chance to enter to the game,N will push out after g2-g4,white knight has a
perfect square-d6} Bb7 {black simply gived up in this position.Next moves even
deteriorated black poistion} (19... Ra8 $5 {[%cal Gc8a6]} 20. g4 Nh6 21. Nb5
Qb8 22. Nd6 a4 $16 {but with some counterplay} (22... Nxg4 23. Nxf7 $1)) 20.
Rhf1 Ba8 21. Ne4 a4 $2 22. bxa4 Bb7 {[%cal Gb8a8,Gb7a6]} 23. g4 Nh6 24. Nd6 {
[%csl Rf7][%cal Rg4g5]} Qe7 25. h3 Ra8 26. Bb3 Ba6 27. Rf3 Qh4 28. Re4 {
[%cal Ge4f4]} Qe7 29. Ref4 f6 $4 (29... Rd7 $142 {[%cal Gc5c6]} 30. Rf2 $16 (
30. Qxc6 $140 $2 Bb7)) 30. Ne4 $18 {[%csl Re6]} Qxc5 31. Nxc5 fxe5 32. Nxe6
exf4 33. Nxd8+ Kh8 34. Ne6 Bc8 35. Nc7 Rb8 36. Rxf4 Bd7 37. Rd4 1-0