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Главная страница Справка Коды ЭШД D00 - D99 D99

Коды ЭШД

D96 D97 D98

D99

E00 E01 E02

D99

Код энциклопедии шахматных дебютов (ЭШД)

Описание

RU: Защита Грюнфельда: 7 e4 Сg4 8 Сe3 Кfd7 9 Фb3
EN: Grünfeld: Russian System: 7 e4 Bg4 8 Be3 Nfd7 9 Qb3

Ходы

1. d4 Кf6 2. c4 g6 3. Кc3 d5 4. Кf3 Сg7 5. Фb3 d:c4 6. Ф:c4 0-0 7. e4 Сg4 8. Сe3 Кfd7 9. Фb3

Дебюты

Защита Грюнфельда

[Event "Rubinstein Memorial 33rd"]
[Site "Polanica Zdroj"]
[Date "1996.??.??"]
[Round "10"]
[White "Beliavsky, Alexander G"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2620"]
[BlackElo "2605"]
[Annotator "Beliavsky,A"]
[PlyCount "83"]
[EventDate "1996.08.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "15"]
[SourceTitle "CBM 055"]
[Source "ChessBase"]
[SourceDate "1996.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.12.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 e6 11. Be2 a5 (11... Nc6 12. Ng1 Bxe2 13. Ngxe2 $14
) 12. O-O a4 13. Qc2 Bxf3 (13... Nc6 14. Ne5 Nb4 15. Qd2 Bxe5 16. Bxg4 Nc4 17.
Qe2 Nxe3 18. fxe3 Bg7 19. a3 Nc6 20. e5 Ne7 21. Bf3 c6 22. Ne4 Nd5 23. Nd6 Qe7
$10) (13... Nc6 14. Ne5 Nb4 15. Qb1 Bxe2 16. Nxe2 Bxe5 17. dxe5 Qe7 18. a3 Nc6
19. Qc2 Rfd8 20. f4 $36) 14. Bxf3 Nc6 15. e5 Nb4 16. Qc1 N4d5 17. Bg5 Qb8 $142
$6 (17... Qd7 18. Ne4 Qb5 19. Nf6+ Bxf6 20. Bxf6 Nxf6 21. exf6 Nd7 22. d5 Nxf6
23. dxe6 fxe6 24. Qxc7 Qxb2 25. Qxb7 Qxa2 26. Ra1 Qd2 27. Qb6 $14) 18. Rfe1 $6
(18. a3 $142) 18... Re8 (18... a3 $142) 19. Re4 $2 (19. a3 Nxc3 20. bxc3 Nc4
21. Re4 Bf8 22. Rh4 Nxa3 23. Qf4 Bg7 24. Be4 Rf8 25. Bf6 $18) 19... a3 20. b3
Nxc3 21. Qxc3 Nd5 22. Qc1 c5 $1 $10 23. Bh6 Bh8 24. Re2 cxd4 (24... Rd8 25.
dxc5 Bxe5 26. Bxd5 $14) 25. Bxd5 exd5 26. f4 f6 $6 (26... Qa7 27. Qd2 f6 28.
Qxd4 Qxd4+ 29. Rxd4 fxe5 30. Rxd5 exf4 $10) 27. Qc5 Qd8 28. Qxd4 Ra6 (28... Ra5
29. h4 $40) 29. Qxd5+ Qxd5 30. Rxd5 Rae6 31. Rd7 fxe5 (31... b6 32. Ra7 $16)
32. Rxb7 e4 33. g4 Bb2 34. Kg2 Rd6 35. b4 Rd5 $2 (35... Rd1 36. f5 gxf5 37.
gxf5 Rd5 38. Rf2 e3 39. f6 Bxf6 40. Rxf6 e2 41. Rg7+ Kh8 42. Re7 Rg5+ 43. Bxg5
Rxe7 44. Bh4 $10) 36. Bg5 $16 Rd4 37. b5 Re6 38. Rc2 Re8 39. Be7 Rd1 40. f5
gxf5 41. gxf5 Bc1 42. f6 1-0

[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1977.01.14"]
[Round "1"]
[White "Sosonko, Gennadi"]
[Black "Nikolac, Juraj"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2530"]
[BlackElo "2475"]
[Annotator "Bulletin"]
[PlyCount "57"]
[EventDate "1977.01.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "11"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nfd7 8.
Be3 Nb6 9. Qb3 Nc6 10. Rd1 Bg4 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1 $5
Qc8 $6 (14... Qd7) 15. Rg3 Kh8 $2 16. Nb5 f5 17. Bd4 f4 $2 18. Bxg7+ Kxg7 19.
Rg5 (19. Rg1) 19... c6 20. dxc6 bxc6 21. Nd4 Kh6 22. Re5 Rb8 23. Qa3 c5 24.
Rxc5 Qh3 25. Rc7 Nc8 26. Nc6 Rb6 27. Nxe7 Nxe7 28. Qxe7 Rff6 29. Rd5 1-0

[Event "Bugojno"]
[Site "Bugojno"]
[Date "1978.03.01"]
[Round "4"]
[White "Ivkov, Borislav"]
[Black "Timman, Jan H"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2515"]
[BlackElo "2585"]
[Annotator "Bulletin"]
[PlyCount "79"]
[EventDate "1978.02.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[EventCategory "14"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1
Qb8 $2 (14... Qd7 15. Rg3 Kh8 16. Nb5 f5 17. Bd4 fxe4 18. Bxg7+ Kxg7 19. Nd4
exf3 {Sosonko-Timman, Amsterdam 1975}) 15. f4 $1 (15. Rg3 c6 16. a4 cxd5 17. a5
Nc4 18. Nxd5 Nxe3 19. Nxe7+ Kh8 20. fxe3 $14 {ECO}) 15... Bxe2 16. Nxe2 c6 17.
dxc6 bxc6 18. h4 $1 $16 Rd8 $2 (18... Nc8 $1) 19. Rxd8+ Qxd8 20. h5 Rb8 (20...
Kf8 21. hxg6 hxg6 22. f5 gxf5 23. Bc5 Nd7 24. Qg3 Nxc5 25. Qxg7+ Ke8 26. Qh8+
Kd7 27. Qd4+) 21. hxg6 hxg6 22. Rxg6 $1 Nd5 $1 23. Rxg7+ $1 Kxg7 24. Bd4+ Nf6 (
24... f6 25. Qg3+) 25. Qc3 $18 {/\Ng3,Nf5+/Nh5+} Qh8 (25... Kf8 26. Qh3 $2 Qa5+
{/\..Qh5}) 26. Ng3 Kf8 27. Bxa7 Rb7 28. Bd4 Rd7 29. Be5 Qh4 30. Qxc6 Rd8 31.
Qc7 Ke8 32. Qc6+ Kf8 33. Qb6 Ke8 $2 (33... Rc8) 34. Bc7 Nd7 (34... Rc8 35. Qb7
Qg4 36. f5) 35. Qb7 e6 36. Bxd8 Kxd8 37. Qa8+ Ke7 38. Qa3+ Ke8 39. Qa8+ Ke7 40.
Qa3+ 1-0

[Event "URS-ch56"]
[Site "Odessa"]
[Date "1989.??.??"]
[Round "?"]
[White "Beliavsky, Alexander G"]
[Black "Dvoirys, Semen I"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2620"]
[BlackElo "2520"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "1989.09.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[EventCategory "13"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 e5 11. dxe5 N8d7 12. a4 $5 (12. Be2) 12... Qe7 $1 (
12... a5 $2 13. Bxb6 cxb6 14. Bb5 $16) 13. a5 Nxe5 $1 14. Nxe5 (14. Be2 $5
Nxf3+ 15. gxf3 Be6 16. Qb5 Nd7 17. O-O c6 18. Qxb7 Rab8 19. Qxc6 Rxb2 $44)
14... Bxd1 15. Nxd1 (15. Qxd1 $5 Bxe5 16. axb6 Qb4 17. Qc1 cxb6 $5 18. Bd3 Rac8
19. O-O $14) 15... Qxe5 16. axb6 axb6 $2 (16... Qa5+ 17. Nc3 axb6 18. Be2 Bxc3+
$1 $132) 17. Bd3 Qa5+ 18. Ke2 $1 Qh5+ (18... Kh8 $5 {/\ f5}) 19. f3 Ra1 20. h4
$1 $16 Qa5 21. h5 Rd8 22. hxg6 hxg6 23. f4 $1 Bd4 24. Bd2 (24. e5 Bxe3 25. Kxe3
Qc5+ 26. Ke2 Qc6 27. Rh2 {/\ Ne3+/-}) 24... Qa2 (24... Qc5 25. Rh3 {/\ Ne3+/-})
25. Qxa2 Rxa2 26. Bc4 Ra1 (26... Ra4 27. Bb3 Ra1 28. Rh3 $16) 27. Rh3 (27. f5
$5) 27... c6 28. Rd3 b5 29. Bb3 Bb6 30. Rg3 $1 Rd4 (30... Kf8 31. f5 gxf5 32.
exf5 $18) 31. Rxg6+ $2 (31. Bc3 Rxe4+ 32. Kf3 Re8 33. Rxg6+ $18) 31... Kf8 32.
Rf6 Rxe4+ 33. Kd3 (33. Kf3 $5 Rd4 34. Bc3 Rdxd1 35. Rxf7+ Ke8 36. Rxb7 $14)
33... Rd4+ 34. Ke2 (34. Kc2 Rxd1 $1 35. Kxd1 Ba5 36. Rxf7+ Ke8 37. Rxb7 Rxd2+
$10) 34... Re4+ 35. Ne3 Bxe3 36. Rxf7+ Ke8 37. Bxe3 Re1+ $1 $10 38. Kxe1 Rxe3+
39. Kf2 Rxb3 40. Rxb7 Rxb2+ 41. Kf3 Rb3+ 42. Kg4 c5 43. f5 c4 44. f6 c3 45. Kf5
Rb4 $1 (45... c2 $2 46. Rc7 Rb2 47. Ke6 $18) 46. Rb8+ 1/2-1/2

[Event "Jerusalem"]
[Site "Jerusalem"]
[Date "1986.??.??"]
[Round "?"]
[White "Sosonko, Gennadi"]
[Black "Birnboim, Nathan"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2530"]
[BlackElo "2445"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "1986.11.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "11"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 e6 11. Be2 Nc6 12. Ng1 Bxe2 13. Ngxe2 Qe7 14. O-O
Na5 15. Qc2 Nac4 16. Bc1 c5 $5 (16... e5) 17. d5 e5 18. Na4 Nd6 $1 19. Nxc5
Rfc8 20. b4 a5 21. a3 Nd7 22. Qd3 Nxc5 23. bxc5 Rxc5 24. a4 $1 Rc4 25. Ba3 Rxa4
26. Rb1 Bf8 27. Bc5 $1 {/\ Nc3} b5 $8 28. Rxb5 (28. Rxb5 Qd7 29. Nc3 (29. Bxd6
Bxd6 $15) 29... Rxe4 $1 $15 30. Bxd6 (30. Nxe4 Qxb5) 30... Rd4) 1/2-1/2

[Event "CZE-ch"]
[Site "Luhacovice"]
[Date "2003.02.24"]
[Round "7"]
[White "Babula, Vlastimil"]
[Black "Oral, Tomas"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2581"]
[BlackElo "2550"]
[Annotator "Ftacnik,L"]
[PlyCount "77"]
[EventDate "2003.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CZE"]
[EventCategory "9"]
[SourceTitle "CBM 094"]
[Source "ChessBase"]
[SourceDate "2003.05.26"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1
Qc8 15. Rg3 c6 16. a4 Qc7 17. Qa3 f5 18. dxc6 (18. a5 Nxd5 $1 19. exd5 f4)
18... bxc6 (18... f4 $2 19. Bxb6 axb6 20. Nd5 fxg3 21. Nxc7 gxh2 22. Bc4+ Kh8
23. Ke2 $16) 19. a5 Nc8 (19... Nd5 20. exd5 f4 21. dxc6 $1) (19... f4 20. axb6
axb6 21. Qb3+ Kh8 22. Bxb6 $16) 20. Qc5 (20. exf5 Rxf5 (20... Nd6 $5 21. fxg6
hxg6 $13) 21. Ne4 Nd6 22. Nc5 Kh8 23. Bd4 Bxd4 24. Rxd4 Nb5 25. Bxb5 Qe5+ 26.
Re4 Qxc5 27. Qxc5 Rxc5 28. Bc4 Rb8) (20. Bd4 Bxd4 21. Rxd4 Rb8 $10) 20... fxe4
(20... f4 21. Nd5 Qe5 22. Bxf4 Rxf4 23. Qxc6 $16) 21. Nd5 $146 {[%mdl 8] Thus
line is rather important for the 13...Bh5 variation, black seems to be holding
with best play.} (21. Nb5 $1 Qxa5+ 22. b4 Qa4 23. Bd4 $1 (23. Nc7 Nd6 $1 24.
Nxa8 Rxa8 $44) 23... cxb5 $1 (23... Bxf3 $6 24. Bxg7 Bxe2 $2 (24... Kxg7 25.
Qc3+ Rf6 26. Ra1 cxb5 27. Rxa4 bxa4 $14) 25. Nc3 $1 Qc2 (25... Qa6 26. Bxf8
Bxd1 27. Qe5 Kxf8 28. Qh8+ Kf7 29. Nxd1 $18) 26. Bxf8 Bxd1 27. Bh6 $1 {1-0
Ivanchuk,V-Timman,J/Linares/1993/ (38)}) 24. Bxb5 Qxd1+ (24... Qa3 25. Ra1) 25.
Kxd1 Rd8 26. Bc4+ Kh8 (26... Kf8 27. Bd5 Nb6 28. Bxg7+ Kxg7 29. Qxe7+ Kh6 30.
Qg5+ Kg7 31. Qe5+ Kh6 32. Qf4+ Kg7 33. Qc7+ Kh6 34. Qc1+ Kg7 35. Qc3+ Kh6 36.
Qd2+ Kg7 37. Bxa8 (37. Rg5 Bxf3+ 38. Kc1 Rac8+ $132) 37... Bxf3+ (37... Rxd2+
$2 38. Kxd2 Nxa8 39. fxe4 $16) 38. Rxf3 Rxd2+ 39. Kxd2 exf3 40. Bxf3 $10) 27.
Bd5 Nb6 28. Rg5 Bxf3+ 29. Ke1 Rac8 30. Bxg7+ Kxg7 31. Qd4+ Kh6 {1/2-1/2 Babula,
V-Kalod,R/Opava 2000/ (37)}) (21. Nxe4 Rf5 $1 22. Qc4+ Kh8) (21. fxe4 Bxe2 22.
Kxe2 (22. Nxe2 Nd6) 22... Qb7 $1) 21... Qd6 (21... Qb7 22. Nf4 Nd6 23. Bc4+
Nxc4 (23... Kh8 24. Nxh5 gxh5 25. Rxg7 Nxc4 26. Bd4 $18) 24. Qxc4+ Kh8 25. Nxh5
gxh5 26. Rxg7 Kxg7 27. Bd4+ Rf6 28. fxe4 $16) (21... Qe5 22. Bd4 (22. Qxc6 exf3
23. Bc4 Rb8 24. Nf6+ Kh8 25. Nd7 Qxa5+ 26. Bd2 Rb6 27. Qa8 Rb4 28. Nxf8 Qe5+
29. Be3 Rxc4 30. Ne6 h6 $13) 22... Qd6 23. Qxd6 exd6 24. Bxg7 Kxg7 (24... exf3
25. Bxf8 fxe2 26. Nf6+ Kf7 27. Rc1 Kxf6 28. Rxc6 $18) 25. Nc7 exf3 26. Ba6 Rb8
27. Ne6+ Kg8 28. Nxf8 Kxf8 29. Bxc8 Rxc8 30. Rxd6 $14) 22. Qc4 cxd5 $2 {
Oral makes the mistake of giving up the queen, since his compensation will not
be sufficent.} (22... Kh8 $1 23. Nf4 (23. Nc3 Qc7 24. fxe4 Nd6 $11) 23... Qe5
24. Qxc6 Nd6 25. Rd5 Qxb2 26. Nxh5 gxh5 27. Rxh5 Rac8 28. Qd5 Nf5 29. Rgh3 (29.
Rxf5 Rfd8 $17) 29... Bc3+ 30. Kf1 Qa1+ 31. Kg2 Nxe3+ 32. fxe3 Rg8+ 33. Rg3 $11)
23. Rxd5 Kh8 (23... Qe6 24. Rxh5 Qf7 (24... Qxc4 25. Bxc4+ Kh8 26. Rxh7+ Kxh7
27. Rh3+ Bh6 28. Rxh6+ Kg7 29. fxe4 Rb8 30. Rh3) 25. Rf5 Bf6 (25... gxf5 26.
Bh6 $16) 26. fxe4 Nd6 27. Qxf7+ Kxf7 28. Rd5 Nxe4 29. Rh3 $16) 24. Rxd6 Nxd6
25. Qd5 (25. Qe6 exf3 26. Bd3 Bxb2 $11) 25... exf3 26. Bxf3 Rac8 (26... Nf5 27.
Bxh5 Nxg3 28. hxg3 gxh5 29. b4 $16) (26... Bxf3 27. Rxf3 Bxb2 28. Rxf8+ Rxf8
29. Bxa7 $18) 27. Bxh5 Rf5 28. Qe6 Rxh5 (28... Re5 29. Qd7 Rxh5 30. Qxa7 $18)
29. Qxe7 Nf5 30. Qxa7 {Despite all dangers for white king the "a" pawn will be
unstoppable for black.} (30. Qb7 Re8 31. Rf3 Rxh2 32. Qxa7 $18) 30... Rxh2 31.
Qb7 Rd8 32. Bg5 Re8+ 33. Re3 Nxe3 34. Bxe3 Rh5 35. a6 Ra5 36. Kf1 h5 37. a7 Be5
38. b4 Ra1+ 39. Kg2 1-0

[Event "Novgorod"]
[Site "Novgorod"]
[Date "1994.??.??"]
[Round "2"]
[White "Bareev, Evgeny"]
[Black "Kasparov, Garry"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2675"]
[BlackElo "2805"]
[Annotator "Ftacnik,L"]
[PlyCount "49"]
[EventDate "1994.08.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "RUS"]
[EventCategory "19"]
[SourceTitle "CBM 043"]
[Source "ChessBase"]
[SourceDate "1994.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.12.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 c5 10. d5 (10. Qxb7 $2 Bxf3 11. Qxa8 cxd4 12. gxf3 (12. Bxd4
Bxd4 13. gxf3 Qb6) 12... dxc3 13. Qxa7 (13. Qd5 cxb2 14. Rb1 Qc7 $44) 13...
cxb2 14. Rb1 Bc3+ 15. Bd2 Bxd2+ 16. Kxd2 Nc6 17. Qa3 Nde5+ 18. Ke1 Nxf3+ {
0-1/Wagner-Kokorin/corr/1954/} 19. Qxf3 Qa5+ 20. Kd1 Rd8+ 21. Bd3 Qc3 $19)
10... Na6 11. Be2 (11. Qxb7 Nb4 12. Rc1 Rb8 13. Qxa7 Ra8 14. Qb7 Nxa2 15. Nxa2
Rxa2 16. Rb1 Qa5+ 17. Bd2 Qa4 $36) 11... Rb8 12. Bf4 $146 (12. O-O) 12... Bxf3
13. Bxf3 (13. Bxb8 $2 Bxe2 $17) (13. gxf3 Ne5 $13) 13... Ne5 14. Be2 b5 $1 15.
O-O (15. Nxb5 c4 16. Qg3 (16. Bxc4 $2 Nc5 17. Qc2 Rxb5 18. Bxb5 Qa5+ 19. Qd2
Qxb5 $19) 16... Qa5+ 17. Kf1 (17. Nc3 Nd3+ 18. Bxd3 Bxc3+ $17) 17... f6 $1 (
17... Qxb5 18. Bxe5 Bxe5 19. Qxe5 Qxb2 20. Qxb2 Rxb2 21. Bxc4 Nb4 $132) 18. Nd4
Rxb2 $40) (15. Bxb5 $6 c4 $1 (15... Nd3+ 16. Bxd3 Rxb3 17. axb3 Nb4 18. Bb1 $13
) 16. Qa3 Nd3+ 17. Kf1 Rxb5 $1 18. Nxb5 Qb6 19. Be3 Qxb5 $17) 15... c4 16. Qa3
Rb6 (16... Qd6 17. Qxd6 exd6 18. a4 bxa4 19. Rxa4 $14) 17. Nxb5 Rxb5 18. Qxa6
Rxb2 19. Rae1 (19. Bxc4 $2 Rb6 20. Qa4 Nxc4 21. Qxc4 Bxa1 $17) (19. Bxe5 Bxe5
20. Qxc4 Qb8 21. Rac1 Bxh2+) 19... Qd6 (19... Qc7 $5 $13) 20. Qxd6 (20. Qxa7 $2
Nf3+ 21. Bxf3 Qxf4 $36) 20... exd6 21. Bxe5 Bxe5 22. Bxc4 Rc8 23. Bb3 Bd4 24.
g3 Re8 25. Kg2 (25. Kg2 f5 26. exf5 (26. Kf3 fxe4+ 27. Rxe4 Rxf2+ 28. Rxf2 Rxe4
29. Kxe4 Bxf2 $10) 26... Rxe1 27. Rxe1 Rxf2+ 28. Kh3 Rxf5 $10) 1/2-1/2

[Event "Mitropa Cup 19th"]
[Site "Baden"]
[Date "1999.04.09"]
[Round "8"]
[White "Kozul, Zdenko"]
[Black "Oral, Tomas"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2585"]
[BlackElo "2521"]
[Annotator "Ftacnik,L"]
[PlyCount "65"]
[EventDate "1999.04.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 071"]
[Source "ChessBase"]
[SourceDate "1999.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.08.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. h4
Qc8 (14... Qd7 15. f4 Bxe2 16. Kxe2 e6 17. dxe6 Qxe6 18. Qxe6 fxe6 19. h5 gxh5
20. Rxh5 Rad8 21. Rdh1 Nc4 22. Rxh7 Nxb2 23. e5 {1/2-1/2 Gereben,E-Kotov,A/
Budapest/1949/ (36)}) 15. f4 (15. a4 c6 16. Rc1 (16. a5 Nd7 17. f4 Bxc3+ 18.
Qxc3 Bxe2 19. Kxe2 cxd5 20. exd5 Qxc3 21. bxc3 Rfc8 22. Bd4 b5 23. Rd3 h5 {
1/2-1/2 Pokorny,T-Krupkova,P/Lazne Bohdanec/ 1996/ (42)}) (16. dxc6 bxc6 17.
Rd2 Nd7 18. Qd1 Ne5 19. Kf1 Qe6 20. Kg2 f5 21. Bd4 fxe4 22. fxe4 Bf3+ 23. Bxf3
Nxf3 {0-1 Miton,K-Navara,D/Oropesa del Mar/1998/ (33)}) 16... Qd8 17. Rd1 Qc8
18. Rc1 Qd8 19. Rd1 {1/2-1/2 Sosonko,G-Timman,J/Leeuwarden/1979/ (19)}) 15...
Bxe2 16. Kxe2 (16. Nxe2 c6 17. h5 cxd5 18. hxg6 fxg6 (18... hxg6 19. Bxb6 axb6
20. f5 dxe4 21. fxg6 (21. Qh3 Rd8 22. Rxd8+ Qxd8 23. fxg6 Qd5) 21... Qe6) 19.
Bxb6 axb6 20. Rxd5 (20. Qxd5+ $142 e6 21. Qb3 $16) 20... Kh8 21. Qxb6 (21. Rd3)
21... Qc6 $1 22. Qb3 $2 $17 (22. Qxc6 bxc6 23. Rc5 Rxa2 24. Kf1 $10) 22... e6
23. Qh3 h6 {1/2-1/2 Larsen,B-Unzicker,W/Zuerich/1959/ (54)}) 16... c6 17. h5 (
17. Bxb6 $6 axb6 18. h5 Qg4+ 19. Ke3 Bh6 (19... g5 $6 20. fxg5 Qxg5+ 21. Kf3
$14) 20. Ne2 e5 $1 21. f3 Bxf4+ 22. Kf2 Qg5 23. hxg6 hxg6 24. Nxf4 Qxf4 25.
dxc6 bxc6 26. Rd6 Kg7 27. Rxc6 Rh8 $19) 17... cxd5 18. hxg6 hxg6 19. f5 $5 {
[%mdl 128] Kozul is in no mood to hide his true intentions. The attack against
king on g8 can be achieved only with opening of the position.} (19. Nxd5 Nxd5
20. Rxd5 Qg4+ 21. Kd3 b6 $13) (19. Bxb6 Bxc3 20. bxc3 axb6 21. Rxd5 e6 $13)
19... dxe4 20. Bxb6 Bxc3 $1 (20... axb6 21. Nd5 Re8 22. fxg6 Qg4+ (22... Qe6
23. Rdg1 $1 $16) 23. Kf1 Qe6 24. gxf7+ Qxf7 25. Rh4 $14) 21. fxg6 (21. Be3 Bg7
22. fxg6 Qg4+ 23. Kf1 Qxg6 24. Rd7 Rad8 $15) 21... axb6 (21... Qg4+ $5 22. Kf1
Qf3 (22... Bg7 23. Rg1 Qf3 24. Be3 $14) 23. gxf7+ (23. Rg1 axb6 (23... Qh3+ 24.
Rg2 Qh1+ 25. Rg1 Qh3+ $11) 24. Rg3 Qh1+ 25. Rg1 Qh3+ 26. Rg2 $13) 23... Rxf7
24. Rg1+ Kf8 25. Bxa7 Bxb2 26. Rd7 Qxb3 27. axb3 e3 (27... b6 28. Ke2 e5 29.
Rxf7+ Kxf7 30. Bxb6 $11) 28. f3 $11) 22. gxf7+ Rxf7 23. Rdg1+ (23. bxc3 Qg4+
24. Kd2 (24. Ke1 $2 e3 $17) 24... Rd8+ 25. Kc1 Rxd1+ 26. Rxd1 Qf4+ $15) 23...
Bg7 (23... Kf8 $2 24. bxc3 $18) 24. Rxg7+ $1 Kxg7 25. Qg3+ {This position
looks like maximum what white was able to achieve. Oral is lucky, that his
king can dance in the center and the position is drawn.} Kf6 (25... Kf8 $2 26.
Rh8#) 26. Rh6+ Kf5 27. Rh5+ Ke6 (27... Kf6 $2 28. Qe5+ Kg6 29. Qg5#) 28. Qe5+
Kd7 29. Qd5+ Ke8 (29... Kc7 30. Qe5+ $11) 30. Rh8+ Rf8 31. Qh5+ Kd7 32. Qd5+
Ke8 (32... Kc7 33. Qe5+ Kc6 34. Qxe4+ Kd6 35. Qd4+ Ke6 36. Qe4+ Kd6 (36... Kf6
37. Rh6+ Kg5 38. Rg6+ Kh5 39. Rg3 Rxf2+ 40. Kxf2 Qc5+ 41. Ke2 Qb5+ 42. Ke1 Qa5+
43. b4 $18) (36... Kf7 $2 37. Rh7+ Kf6 38. Qxe7+ $18) 37. Qd4+ $11) 33. Qh5+
1/2-1/2

[Event "St Petersburg-ch 77th"]
[Site "St Petersburg"]
[Date "2004.04.06"]
[Round "6"]
[White "Lugovoi, Aleksei"]
[Black "Klimov, Sergey"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2554"]
[BlackElo "2520"]
[Annotator "Ftacnik,L"]
[PlyCount "67"]
[EventDate "2004.04.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RUS"]
[EventCategory "10"]
[SourceTitle "CBM 101"]
[Source "ChessBase"]
[SourceDate "2004.07.27"]
[SourceVersion "1"]
[SourceVersionDate "2004.07.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 c5 10. d5 Na6 11. Nd2 e6 12. d6 Bd4 13. Nb5 $5 $146 {[%mdl 8]
The whole line is rather messy as white is not quite able to catch the bishop
on g4, white black pieces will need to fight for coordination.} e5 (13... Bxe3
14. Qxe3 e5 (14... Nb4 15. Qb3 Qh4 16. Nc7 Rab8 17. Bb5 $16) 15. Bc4 Nb6 16.
O-O Qd7 17. a4 Rad8 (17... Nxc4 18. Nxc4 f6 19. f4 $16) 18. f4 exf4 19. Rxf4
Be6 $14) 14. h3 (14. Nxd4 $5 cxd4 (14... exd4 15. Bh6 Re8 16. Bxa6 bxa6 17. Qg3
Nf6 18. O-O $14) 15. Bh6 Re8 16. Bxa6 bxa6 17. Qg3 Be6 18. f4 exf4 19. Qxf4 $14
) (14. Bc4 Nb6 15. O-O Qd7 $11) 14... Be6 15. Bc4 Bxc4 (15... Bxe3 16. Qxe3 Nb4
17. Qc3 Bxc4 18. Nxc4 Qh4 $11) 16. Nxc4 Qh4 17. O-O (17. g4 Nf6 18. Bxd4 exd4
19. e5 Nxg4 20. O-O Nh6 $15) 17... Qxe4 18. Rfe1 {Lugovoi correctly presumes,
that his active pieces will amply compensate for the pawn. Black must play
carefully in order to hold the position.} Qf5 (18... Bxe3 19. Rxe3 Qf4 20. Rae1
Rfe8 21. Nc7 Nxc7 22. dxc7 $16) 19. Nc7 Rab8 (19... Nxc7 $1 20. dxc7 Qe6 21.
Bxd4 cxd4 22. Nxe5 (22. Rac1 Rac8 23. Nxe5 Nxe5 24. Qxe6 Nf3+ 25. gxf3 fxe6 $11
) 22... Nxe5 23. Qxe6 Nf3+ $1 24. gxf3 fxe6 25. Rxe6 Rac8 26. Rc1 Rf7 $11) 20.
a3 (20. Nd5 Kg7 $13) 20... Kg7 (20... Rfc8 21. Nd5 $1 $16) 21. Qb5 Rfd8 22.
Bxd4 cxd4 (22... exd4 23. Re7 Kg8 24. g4 Qd3 25. Rxd7 Rxd7 26. Qxd7 Qxc4 27.
Qe7 $1 $18) 23. Nxe5 Nxe5 (23... Ndc5 24. Nc4 Ne4 25. Qxf5 gxf5 26. Nb5 Rbc8
27. b3 $16) 24. Rxe5 Qd7 25. Re7 (25. Qxd7 Rxd7 26. Nb5 Rc8 27. Rd1 Kf6 28. Rd5
$16) 25... Qxb5 {Klimov might have contemplated an exchange sacrifice with 25..
.Qxd6!?, since the defense would not be easy to break.} (25... Qxd6 $5 26. Ne8+
Rxe8 27. Rxe8 Nc7 28. Qe5+ Qxe5 29. Rxe5 Kf6 30. Rae1 Ne6 $14) 26. Nxb5 Nc5 27.
Rd1 Kf8 (27... d3 28. b4 Ne6 29. Rxd3 $18) 28. Rxd4 Ne6 29. Rd3 a6 (29... Rxd6
30. Rxf7+ Kxf7 31. Nxd6+ Ke7 32. Nb5 $16) 30. Nc3 {Passivity and absence of
pawn do not bode well for black's chances.} (30. Nc7 Rxd6 31. Rxf7+ Kxf7 32.
Rxd6 $16) 30... b5 (30... Rxd6 31. Rxf7+ Kxf7 32. Rxd6 $16) 31. Ne4 Rxd6 (31...
Rb6 $2 32. Rf3 f5 33. Rxe6 $18) 32. Rxf7+ Kxf7 33. Rxd6 a5 34. Rd7+ 1-0

[Event "Cutro 05th"]
[Site "Cutro"]
[Date "1999.05.01"]
[Round "10"]
[White "Epishin, Vladimir"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2578"]
[BlackElo "2643"]
[Annotator "Ftacnik,L"]
[PlyCount "53"]
[EventDate "1999.04.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ITA"]
[EventCategory "10"]
[SourceTitle "CBM 071"]
[Source "ChessBase"]
[SourceDate "1999.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.08.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 c5 10. d5 Na6 11. Be2 Rb8 12. O-O (12. a4 Qa5 13. O-O Qb4 14.
Qc2 f5 15. exf5 Bxf5 16. Qd2 Nf6 17. Rfd1 {1/2-1/2 Sherwin,J-Burger,K/New York/
1954/ (17)}) (12. Bf4 Bxf3 13. Bxf3 Ne5 14. Be2 b5 $1 15. O-O c4 16. Qa3 Rb6
17. Nxb5 Rxb5 18. Qxa6 Rxb2 19. Rae1 Qd6 20. Qxd6 exd6 21. Bxe5 Bxe5 22. Bxc4
Rc8 23. Bb3 Bd4 24. g3 Re8 25. Kg2 {1/2-1/2 Bareev,E-Kasparov,G/Novgorod/1994/
(25)}) 12... b5 13. Qd1 {New move that seems a bit too modest. Black pawn
structure is exposed and especially the knight a6 is vulnerable.} (13. a4 $5
bxa4 14. Qc2 Nb4 15. Qd2 Bxf3 16. Bxf3 Nb6 17. Be2 Bd4 18. Bxd4 cxd4 19. Nb5 d3
20. Bxd3 a5 21. Be2 Qd7 22. Rac1 Rbc8 23. Qd4 Qb7 24. d6 exd6 25. Nxd6 Rcd8 26.
Qxb4 axb4 27. Nxb7 {1-0 Babula,V-Goormachtigh,J/Moscow/1994/ (32)}) (13. Rac1
Qa5 14. a4 Bxf3 15. gxf3 c4 16. Qd1 b4 17. Nb5 Bxb2 18. Rxc4 Nb6 19. Rc2 Nxa4
20. Nxa7 b3 21. Rxb2 Nxb2 22. Qd4 Qa3 23. Nc6 Na4 24. Bxa6 {1-0 Siegler,W-Huss,
R/Hessenliga 9596/1996/ (52)}) 13... Nc7 14. Rc1 a6 15. b3 (15. h3 Bxf3 16.
Bxf3 c4 $11) 15... Ne8 16. Qd2 (16. h3 Bxf3 17. Bxf3 Nd6 18. Qc2 c4 $13) 16...
Nd6 17. e5 Nf5 {In just a few moves the knight from a6 have made quite a
progress, white has to worry about holding balance.} (17... Bxf3 18. exd6 Bxe2
19. dxe7 Qxe7 20. Nxe2 $14) (17... Nb7 $5 18. d6 (18. Ne4 Bxf3 19. Bxf3 Bxe5
$17) 18... Bxf3 19. Bxf3 Bxe5 20. dxe7 Qxe7 21. Rfe1 $15) 18. e6 Bxf3 (18...
fxe6 19. dxe6 Bxf3 20. exd7 $1 $14) 19. exf7+ (19. Bxf3 fxe6 20. dxe6 Ne5 21.
Be4 Qxd2 22. Bxd2 c4 $13) 19... Rxf7 20. Bxf3 Nxe3 21. fxe3 (21. Qxe3 Bd4 22.
Qg5 Qa5 $15) 21... Ne5 22. Ne4 c4 23. h3 $2 {Epishin choses a strange moment
for preparing king's escape route.} (23. Be2 $1 Rxf1+ 24. Rxf1 Rc8 25. bxc4
bxc4 26. d6 $13) 23... Qb6 24. Kh1 (24. Ng5 Bh6 25. h4 Rbf8 $15) (24. Be2 Bh6
$1 25. Rxf7 Bxe3+ $19) 24... Bh6 $1 25. d6 Qxe3 (25... Bxe3 $1 26. Qd5 Bxc1 27.
Qxe5 Bf4 (27... exd6 28. Nf6+ Kg7 29. Ne8+ Kf8 30. Qxd6+ Qxd6 31. Nxd6 Rxf3 32.
Rxf3+ Ke7 33. Ne4 Rd8 $17) 28. Qe6 Kg7 29. Bg4 exd6 30. Ng5 Rbf8 $17) 26. Qd5 (
26. Qxe3 Bxe3 27. Rce1 Bb6 28. bxc4 bxc4 $17) 26... Nxf3 27. Rcd1 {Krasenkow
was propably in some trouble with time, otherwise he would surely have
continued in a surerior position.} (27. Rcd1 Kg7 $1 (27... Qe2 28. dxe7 Kg7 29.
Rf2 Qe3 30. Rxf3 Rxf3 31. Qe5+ $18) 28. Qxf7+ Kxf7 29. Rxf3+ Qxf3 30. gxf3 Rd8
$17) 1/2-1/2

[Event "Linares 11th"]
[Site "Linares"]
[Date "1993.??.??"]
[Round "12"]
[White "Ivanchuk, Vassily"]
[Black "Timman, Jan H"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2710"]
[BlackElo "2635"]
[Annotator "Ftacnik,L"]
[PlyCount "75"]
[EventDate "1993.02.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ESP"]
[EventCategory "18"]
[SourceTitle "CBM 034"]
[Source "ChessBase"]
[SourceDate "1993.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.06.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1
Qc8 15. Rg3 c6 16. a4 Qc7 $1 17. Qa3 $5 (17. Rc1 Rfc8 $1 (17... Be5 18. a5 (18.
f4 $2 Bxf4 19. Bxf4 Qxf4 20. Bxh5 Qxc1+) 18... Nd7 19. a6 bxa6 (19... Rfb8 20.
Nb5 $1 Qa5+ 21. Bd2 Qxa6 22. Nc7 $16) 20. dxc6 Nf6 (20... Qxc6 $6 21. Nd5 Qe6
22. Rc6 $1 $16) (20... Rab8 21. Qa4 $16 (21. Nd5 $5 Qa5+ 22. Bd2 Qxd2+ 23. Kxd2
Rxb3 24. cxd7 Rb7 $1 25. f4 Bxb2 $1 26. Rc7 Rxc7 27. Nxc7 Rd8 $1 (27... Bxe2 $2
28. Ne8 $1) 28. Bxh5 Rxd7+ 29. Nd5 (29. Kc2 Bg7 $1 30. Ne8 Bh6 $1 $13) 29... e6
30. Kc2 Bg7 31. Bg4 f5 $13)) 21. Qb7 $1) 18. a5 Nd7 19. a6 bxa6 20. Bxa6 Ne5
$132) (17. a5 Nd7 18. Qa3 Ne5 19. Bd4 $13) 17... f5 (17... cxd5 18. Nxd5 Nxd5
19. Rxd5 {/\ Rh5}) 18. dxc6 (18. a5 Nxd5 $1 19. exd5 f4) 18... bxc6 (18... f4
$2 19. Bxb6 axb6 20. Nd5 fxg3 21. Nxc7 gxh2 22. Bc4+ Kh8 23. Ke2 $16) 19. a5
Nc8 $1 (19... Nd5 20. exd5 f4 21. dxc6 $1) (19... f4 20. axb6 axb6 21. Qb3+ Kh8
22. Bxb6 $16) 20. Qc5 $5 (20. exf5 Rxf5 (20... Nd6 $5 21. fxg6 hxg6 $13)) (20.
Bd4 Bxd4 21. Rxd4 Rb8 $10) 20... fxe4 (20... f4 21. Nd5 Qe5 22. Bxf4 Rxf4 23.
Qxc6 $16) 21. Nb5 $1 (21. Nxe4 Rf5 $1 22. Qc4+ Kh8) (21. fxe4 Bxe2 22. Kxe2 (
22. Nxe2 Nd6) 22... Qb7 $1) 21... Qxa5+ 22. b4 Qa4 23. Bd4 $1 (23. Nc7 Nd6 $1
24. Nxa8 Rxa8 $44) 23... Bxf3 $6 (23... cxb5 $1 24. Bxb5 Qxd1+ (24... Qa3 25.
Ra1) 25. Kxd1 Rd8 26. Bc4+ Kf8 27. Bd5 Nb6 28. Bxg7+ Kxg7 29. Qxe7+ Kh6 30.
Qg5+ Kg7 31. Qe5+ Kh6 32. Qf4+ Kg7 33. Qc7+ Kh6 34. Qc1+ Kg7 35. Qc3+ Kh6 36.
Qd2+ Kg7 37. Bxa8 (37. Rg5 Bxf3+ 38. Kc1 Rac8+ $132) 37... Bxf3+ (37... Rxd2+
$2 38. Kxd2 Nxa8 39. fxe4 $16) 38. Rxf3 Rxd2+ 39. Kxd2 exf3 40. Bxf3 $10) 24.
Bxg7 Bxe2 $2 (24... Kxg7 25. Qc3+ Rf6 26. Ra1 cxb5 27. Rxa4 bxa4 $14) 25. Nc3
$1 Qc2 (25... Qa6 26. Bxf8 Bxd1 27. Qe5 Kxf8 28. Qh8+ Kf7 29. Nxd1 $18) 26.
Bxf8 Bxd1 27. Bh6 $1 Nd6 (27... Bf3 28. Qc4+ Kh8 29. Qd4+) 28. Qe5 Nf5 29. Qe6+
Kh8 30. Qe5+ Kg8 31. Qxf5 Qxc3+ 32. Rxc3 gxf5 33. Kxd1 a5 34. Rc5 a4 (34...
axb4 35. Rxf5 $18) 35. Ra5 Rd8+ 36. Bd2 f4 37. Kc2 a3 38. Bxf4 1-0

[Event "Altensteig"]
[Site "Altensteig"]
[Date "1990.??.??"]
[Round "9"]
[White "Mohr, Stefan"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[ECO "D99"]
[WhiteElo "2430"]
[BlackElo "2545"]
[Annotator "Ftacnik,L"]
[PlyCount "58"]
[EventDate "1990.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[EventCategory "9"]
[SourceTitle "CBM 020"]
[Source "ChessBase"]
[SourceDate "1991.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.02.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1
Qd7 15. Rg3 Kh8 $5 {N} (15... c6) (15... f5 16. d6+ Kh8 17. dxc7 Qxc7) 16. Nb5
(16. a4 $5) 16... f5 $1 17. Bd4 (17. exf5 Rxf5 {x d5}) 17... fxe4 18. Bxg7+
Kxg7 19. Nd4 (19. fxe4 Bxe2 20. Kxe2 c5 $22 21. Qc3+ Kg8 22. Qxc5 Rac8 23. Qb4
Rc4) 19... exf3 $1 20. Ne6+ (20. Bxf3 Bxf3 21. Rxf3 Rxf3 22. Qxf3 Qxd5 23. Qxd5
Nxd5 24. Ne6+ Kf6 $19) 20... Kg8 21. Bxf3 Bxf3 22. Rxf3 Rf6 (22... Rxf3 23.
Qxf3 c6 24. Qc3 $18) 23. Nc5 (23. Rxf6 exf6 24. d6 $2 Re8 $19) 23... Qd6 24.
Nxb7 (24. Ne4 Rxf3 25. Qxf3 Qe5 $17) 24... Rxf3 25. Qxf3 Qxh2 26. Qe3 Rf8 27.
Na5 (27. Qe6+ Kh8 28. Rd2 Qg1+ $19) 27... Rf6 28. Nc6 $2 Nc4 29. Qd4 (29. Qe2
Qg1+ 30. Qf1 Qxf1+ 31. Kxf1 Ne3+) 29... Rf4 {Ftacnik,L} (29... Rf4 30. Qc5 Re4+
) 0-1

[Event "Budapest FS04 GM-A"]
[Site "Budapest"]
[Date "2002.04.11"]
[Round "10"]
[White "Horvath, Csaba"]
[Black "Nakamura, Hikaru"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2539"]
[BlackElo "2466"]
[Annotator "Ftacnik,L"]
[PlyCount "71"]
[EventDate "2002.04.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 089"]
[Source "ChessBase"]
[SourceDate "2002.08.12"]
[SourceVersion "1"]
[SourceVersionDate "2002.08.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8.
e4 Bg4 9. Be3 Nfd7 10. Qb3 Nb6 11. Rd1 Nc6 12. d5 Ne5 13. Be2 Nxf3+ 14. gxf3
Bh5 15. Rg1 Qd7 16. Rg3 e6 $6 $146 {[%mdl 8] Dubious novelty in a well known
position, black pieces will be too disorganized to let the white knight to d5
square.} (16... c6) (16... f5) (16... Kh8) 17. a4 $1 (17. dxe6 Qxe6 18. Qxe6
fxe6 19. f4 Bxe2 20. Kxe2 $11) 17... Qe7 (17... exd5 18. a5 Nc8 (18... d4 19.
axb6 axb6 20. Nd5 (20. Bf4 c6 21. Na4 $18) 20... Qe6 21. Bg5 h6 22. Be7 c6 23.
Bxf8 Rxf8 $14) 19. Nxd5 $16) (17... a5 18. Bxb6 cxb6 19. Qxb6 $16) (17... Rab8
18. a5 Nc8 19. dxe6 Qxe6 20. Bc4 $16) (17... Be5 18. a5 Nc8 (18... Rac8) 19.
Bh6 Re8 20. Bb5 $18) 18. a5 Nd7 (18... Nc8 19. dxe6 Nd6 20. exf7+ Qxf7 21.
Qxf7+ Rxf7 22. Bd4 $16) 19. Qxb7 Be5 (19... Rfb8 20. Qxc7 Be5 21. d6 Qe8 22. f4
$18) 20. dxe6 (20. f4 Rfb8 21. Qc6 Bxc3+ 22. bxc3 Bxe2 23. Kxe2 Nf6 24. dxe6
Qxe6 25. Qxe6 fxe6 26. Kf3 $16) 20... fxe6 (20... Bxg3 21. hxg3 Nc5 22. exf7+
Kg7 23. Qd5 $18) (20... Qxe6 21. f4 Bxe2 22. Nxe2 $18) 21. Qc6 $1 {Black pawns
are weak and white comes with new threats.} Rad8 (21... Bxg3 $2 22. Rxd7 $18)
22. f4 Bxe2 (22... Bxc3+ 23. bxc3 Bxe2 24. Kxe2 $16) 23. Kxe2 (23. Nxe2 Bxb2
24. Bxa7 $16) 23... Bxf4 24. Bxf4 Rxf4 25. Qxc7 Rf7 26. Rgd3 a6 (26... Qf6 27.
Qxa7 Kg7 28. Qe3 $18) 27. R1d2 {The pin along the d file is deadly for the
defender, Nakamura can only dream about the counterplay.} Qe8 (27... Qf6 28.
Kd1 (28. Rxd7 $2 Qxf2+ 29. Kd1 Qxd2+ $3 30. Rxd2 Rxd2+ 31. Kxd2 Rxc7 $19) 28...
Qg5 29. b4 $18 (29. Rxd7 $2 Qxd2+ $3 $19)) 28. Qc6 Rc8 29. Qxa6 Ra8 30. Qc6 Rc8
31. Qa4 Rc7 (31... Ne5 32. Qxe8+ Rxe8 33. Rd8 $18) 32. a6 Qf8 (32... Ra7 33.
Qc6 $18) 33. Rxd7 Rxf2+ 34. Kd1 Qf3+ 35. Kc2 Qf4 36. a7 1-0

[Event "Altensteig"]
[Site "Altensteig"]
[Date "1991.??.??"]
[Round "2"]
[White "Van der Sterren, Paul"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2485"]
[BlackElo "2555"]
[Annotator "Ftacnik,L"]
[PlyCount "68"]
[EventDate "1991.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[EventCategory "11"]
[SourceTitle "CBM 025"]
[Source "ChessBase"]
[SourceDate "1991.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.12.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. d4 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1
Qc8 15. Rg3 c6 16. dxc6 (16. a4) 16... bxc6 17. f4 Bxe2 18. Nxe2 c5 19. Qc2 (
19. h4 Qc6 20. Qc2 Rad8 21. Rxd8 Rxd8 22. h5 Kh8 $10 {Piket,Je-Hansen,Cu/Wijk/
1988/ ->CBM 05}) 19... Qa6 $1 20. Bxc5 Qxa2 21. Nd4 (21. Bxe7 Rfe8 22. Ba3 Nc4
$132) 21... Rfc8 22. Ra3 Qc4 23. Qxc4 (23. Rc3 Rxc5 $1 24. Rxc4 Rxc4 25. Qb3
Rxd4 $17) 23... Nxc4 24. Rxa7 Rxa7 25. Bxa7 Nxb2 26. Rd2 Na4 27. Rc2 Rxc2 28.
Nxc2 Nc3 29. f3 Nb5 30. Bc5 Kf8 31. Nb4 Ke8 32. Nd5 e6 33. Nb4 Kd7 34. Nd3 Nd4
{Ftacnik,L} 1/2-1/2

[Event "Jakarta Gunadarma"]
[Site "Jakarta"]
[Date "1996.??.??"]
[Round "7"]
[White "Gurevich, Mikhail"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2605"]
[BlackElo "2600"]
[Annotator "Gurevich,M"]
[PlyCount "140"]
[EventDate "1996.10.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "INA"]
[EventCategory "13"]
[SourceTitle "CBM 056"]
[Source "ChessBase"]
[SourceDate "1997.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.02.01"]
[SourceQuality "1"]

1. d4 {Krasenkow,M Hecht Ftacnik} Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4
6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Bxf3 11. gxf3 e6 {/\12...
Qh4} 12. h4 $5 Nc6 13. e5 h5 14. Bg2 (14. Ne4 {Ftacnik} Qd5 15. Nc5 Qxb3 16.
axb3 Rab8 17. Bd3 Nb4 18. Be4 c6 19. Ra1 a6 20. Bd2 N4d5 21. Bxd5 Nxd5 22. Nd7
Rbd8 23. Nxf8 Bxf8 24. Ke2 Rd7 {1/2-1/2 Andruet,G-De Wit,J/Wijk-B (03)/1984 
(30)}) (14. Be2 {Ftacnik} Ne7 15. Bg5 Qd7 16. f4 c6 17. Ne4 Ned5 (17... Qc7 {
Ftacnik Blackґs position is very solid, only the kingside was already weakened.
Die schwarze Stellung ist sehr solide, nur der Kцnigsfluegel war schon
geschwдcht.} 18. Rg1 Nbd5) 18. Rg1 Kh8 19. Bxh5 gxh5 20. Qf3 f5 21. Qxh5+ Kg8
22. Nf6+ Nxf6 23. exf6 $16) 14... Ne7 (14... Qd7 {Ftacnik} 15. f4 Ne7 16. Bxb7
Rab8 17. Be4 Ned5 18. Qc2 Nxe3 19. fxe3 Nc4 20. Qe2 Nxb2 21. Rc1 Na4 22. Nxa4
Qxa4 23. Kf2 Rfc8 24. Rc3 {1/2-1/2 Sosonko,G-Ree,H/Wijk (07)/1984}) 15. Bg5 Qd7
16. f4 c6 17. Ne4 Qc7 (17... Nbd5 18. Rg1 Qc7 19. Rd2 Kh7 20. Bf3 Rh8 (20...
Nf5 $1 $10) 21. Nd6 f6 22. exf6 Bxf6 (22... Nxf6 23. Qxe6 $18) 23. Bxf6 Nxf6
24. Qxe6 Ned5 {Bareev,E-Tseshkovsky,V/URS-ch54 Minsk/1987/1/2-1/2 (51)}) 18.
Bf3 Nbd5 {/\19...Qb6} 19. Rd2 $1 Nf5 (19... Qb6 20. Qd1 $1 {/\21.Bxh5, 21.Rg1})
20. Rg1 {[#]} Rfd8 $5 (20... Kh7 21. Bxh5 $1 gxh5 22. Qf3 Rh8 23. Bf6 $1 $40 (
23. Nf6+ {Ftacnik} Nxf6 24. exf6 Rag8 $3 {Krasenkow missed this move.
Krasenkow hat diesen Zug ьbersehen.} (24... Bh6 25. Bxh6 Kxh6 (25... Nxh6 26.
Rg7#) 26. Rg5 $18) (24... Bf8 {Krasenkow,M} 25. Qxh5+ Kg8 26. Bh6+ Bg7 27.
Rxg7+ Nxg7 28. Qg5 Rh7 29. Bxg7 $16) 25. fxg7 Rxg7 $13) (23. Qxh5+ Kg8 24. Qg4
Qa5 $17)) (20... Rfd8 {[#]}) (20... Kh7 $16 {Krasenkow,M}) 21. Bxh5 $1 (21.
Bxd8 Rxd8 $44 {><f4,h4}) 21... gxh5 22. Qf3 Kf8 (22... Qa5 23. Kf1 $5 (23. a3
Nxd4 24. Qxh5 Nc2+ (24... Nf5 25. Bf6 Nxf4 26. Rxg7+ Nxg7 27. Qg5 Ng6 28. Bxd8
Qxe5 $13)) (23. Qxh5 Qxa2 24. Ke2 $13) (23. Bf6 {Krasenkow,M} Qxa2 24. Bxg7
Nxg7 25. Qg2 Qa1+ 26. Rd1 Qa5+ 27. Nc3 Kf8 $13) 23... Qxa2 24. Kg2 {/\25.Kh1,
26.Qxh5|^}) 23. Qxh5 Nde7 (23... Ke8 {Krasenkow,M} 24. Bxd8 Qxd8 25. Rxg7 $1
$16) (23... Qa5 $1 {Krasenkow,M} 24. Bf6 (24. a3 $5 Nxd4 $13 25. b4 $140 Qxa3
$1 26. Rxd4 Nxf4 $1) 24... Qxa2 25. Ng5 Qa1+ 26. Rd1 Qa5+ 27. Kf1 Qb5+ 28. Ke1
$10) 24. Qh7 $1 {/\25.Bxe7, 26.Rxg7} (24. Bf6 {Ftacnik} Ng6 25. Qh7) 24... Ng6
25. Bf6 $5 (25. h5 $1 Rxd4 (25... Nxd4 {Krasenkow,M} 26. Rg3 Nf5 27. hxg6 Rxd2
28. Nxd2 fxg6 29. Rd3 Kf7 $1) 26. Rxd4 Nxd4 27. hxg6 (27. Bh6 {Ftacnik} Bxh6
28. Qxh6+ Ke7 $13) 27... Nf3+ 28. Kf1 Qd7 (28... Nxg1 29. Bf6 fxg6 30. Ng5 Re8
31. Qxg6 $40) 29. Nf6 Bxf6 (29... Qd3+ 30. Kg2 Nxg5 31. fxg5 $18) 30. Bh6+ $18)
25... Bxf6 26. Rxg6 $1 {White's attack is quite original, black gets no time
for counterplay. Der weiЯe Angriff ist ziemlich attraktiv, Schwarz kriegt
keine Zeit zum Gegenspiel.} (26. exf6 {Ftacnik} Nfxh4 (26... Qxf4 {Krasenkow,M}
27. Ng5 Nd6 $1 (27... Rd7 28. Qh8+ $1 Nxh8 29. Nh7+ Ke8 30. Rg8#) 28. h5 Qxf6
$16) 27. Ng5 Nf3+ (27... Ke8 28. Nxe6 Qd6 29. Qg8+ Nf8 30. Nxf8 Nf3+ 31. Kd1
Nxg1 32. Ne6+ Kd7 33. Qxf7+ Kc8 34. Nxd8 $18) 28. Nxf3 Qxf4 29. Qg7+ Ke8 30.
Ng5 $18) 26... Bg7 (26... Bxh4 27. Rxe6 $1 $18 (27. Rxe6 {Ftacnik} Ne7 28. Nd6
Ng8 29. Rg6 fxg6 30. Qxc7 $18)) 27. Rxg7 $1 $16 Nxg7 28. Qh8+ Ke7 29. Qxg7 $36
Rg8 30. Qf6+ Kf8 (30... Ke8 {Ftacnik} 31. Nd6+ Kf8 32. Qh6+ Ke7 33. f5 $18) 31.
f5 $1 exf5 (31... Rg1+ {Ftacnik} 32. Ke2 exf5 33. Ng5 Re8 34. h5 $18) 32. Ng5
Qe7 33. Qxf5 Ke8 34. Kf1 {/\35.Ne4} Rh8 35. Re2 $6 {Ftacnik: White's mistake
is overconfidence, but his winning advantage was undisputable with Ph4 still
on the board. Ftacnik: Dieser Fehler hдngt mit zuviel SelbstbewuЯtsein
zusammen, aber mit dem Ph4 hatte WeiЯ ohne Frage entscheidenden Vorteil auf
dem Brett.} (35. Qf4 $16) (35. Qf4 $18 {Krasenkow,M}) 35... Rxh4 36. e6 f6 37.
Ne4 $138 (37. Qg6+ Kf8 (37... Kd8 38. Nf7+ Kc8 (38... Kc7 39. Qg3+ $18) 39.
Qg8+ $18) 38. Nf7 (38. Re3 $1 {Krasenkow,M} fxg5 39. Re5 $1 (39. Rf3+ Rf4 40.
Rh3 Rh4 $10) 39... Rf4 40. Rxg5 $18) 38... Re8 39. Nd6 $40) 37... Rh1+ 38. Kg2
Rh6 39. Re3 Rd8 40. Rg3 (40. Rh3 {Krasenkow,M} Qg7+ 41. Rg3 Qh8 $13) 40... Kf8
(40... Qf8 {Ftacnik} 41. Rg6 Rxg6+ 42. Qxg6+ Ke7 43. Qh7+ Kxe6 44. Nc5+ Kd5 45.
Qe4+ Kc4 46. Qe2+ Kd5 47. Qf3+ Kd6 48. Nxb7+ $16) 41. Qf4 (41. Nc5 {Krasenkow,M
} Qh7 42. Nd7+ Ke7) 41... Qh7 42. Rg4 (42. Nxf6 Rh2+ 43. Kg1 (43. Kf3 {Ftacnik}
Qd3+ 44. Kg4 Qg6+ 45. Kf3 $10) 43... Rh1+ 44. Kg2 Rh2+ 45. Kf3 Qd3+ 46. Kg4
Qg6+ $10) 42... Rxd4 $5 (42... f5 {Krasenkow,M} 43. Ng5 Qg6 44. Rg3 Qf6 45. e7+
$1 Kxe7 46. Qc7+ Rd7 (46... Kf8 47. Ne6+ Qxe6 48. Qxd8+ Qe8 49. Rg8+ $18) 47.
Re3+ Kf8 48. Qxd7 Qxg5+ 49. Rg3 $18) 43. Nxf6 $2 (43. Qb8+ Ke7 44. Qxb7+ (44.
Qc7+ $1 Kxe6 (44... Kf8 {Krasenkow,M} 45. e7+ $1 Ke8 (45... Kf7 46. Ng5+ fxg5
47. Rxd4 $18) 46. Nd6+ Rxd6 47. Qxd6 Kf7 48. Qg3 $1 $18) 45. Nc5+ Kd5 46. Qd8+
Kxc5 47. Qxd4+ Kb5 48. Qb4+ (48. a4+ {Krasenkow,M} Ka6 49. Qc4+ Kb6 50. Qb3+
Ka6 $10) (48. Qa4+ $1 {Krasenkow,M} Kb6 (48... Kc5 49. Qb4+) 49. Qb3+) 48...
Ka6 49. Qa3+ $1 Kb6 50. Qb3+ $1 Kc7 (50... Kc5 {Krasenkow,M} 51. Qb4+ Kd5 52.
Rd4+ Ke5 (52... Ke6 53. Qe1+) 53. Qc5+ Ke6 54. Rd6+ $18) 51. Qg3+ Kb6 52. Rb4+
Kc5 53. Qc3+ Kd6 54. Rd4+ Ke7 (54... Kc7 55. Qa5+ $18) (54... Ke6 55. Qe3+ Kf5
56. Qe4+ Kg5 57. Qg4#) 55. Qe3+ $18 {Fritz}) 44... Kxe6 45. Qxc6+ (45. Nc5+ Kd5
46. Qb3+ Kxc5 47. Qc3+ Kb5 48. Qxd4 Rh2+ $132) (45. Qc8+ Ke7 46. Qc7+ Rd7 $13)
45... Kf5 46. Qc8+ (46. Qc5+ Kxg4 47. Qxd4 Rh2+ 48. Kf1 Qh3+ 49. Ke1 Qf3 $13) (
46. Qc2 $1 {Krasenkow,M} Ke5 $1 (46... Rh2+ 47. Kf3 Qb7 48. Qc5+ Qd5 49. Rf4+
$18) (46... Qb7 47. f3 Ke5 48. Qc1 $18) 47. f4+ Ke6 48. Qc6+ Kf7 $1 (48... Kf5
49. Qc5+ $1 Ke6 (49... Kxg4 50. Nxf6+ $1 Kxf4 51. Qxd4+ $18) 50. Qxd4 Rh2+ 51.
Kg1 $1 (51. Kf3 Qh3+ 52. Ng3 Qg2+ 53. Ke3 Qg1+ 54. Ke4 Qg2+ 55. Kd3 Qc2+ 56.
Ke3 Qf2+ $10) 51... Rh1+ 52. Kf2 $1 Qh2+ 53. Kf3 Qh3+ 54. Ng3 $18) 49. Qc7+ Ke6
$10) 46... Rd7 $13) 43... Rxf4 44. Nxh7+ Rxh7 45. Rxf4+ Ke7 46. Rf7+ (46. Re4
Rh6 $10) 46... Rxf7 47. exf7 {[#]_|_ Hecht Entfernter o^, Tempospiel} Kxf7 $10
{This endgame is very instructive, even two 2600 players could not properly
solve it over the board. Dieses Endspiel ist sehr instruktiv, sogar zwei
Spieler mit ELO 2600 konnten es am Brett nicht richtig lцsen.} 48. Kf3 Kf6 (
48... Ke6 $1 {Krasenkow,M} 49. Kf4 a5 $1 {/\50...a4} 50. Kg5 (50. a4 b5 51.
axb5 (51. Ke4 bxa4 (51... Kd6 $5 52. Kd4 c5+ 53. Kd3 bxa4) 52. Kd4 Kd6 53. Kc4
c5 54. f3 Kc6 55. f4 Kd6 56. Kb5 a3 57. bxa3 Kd5 $10) (51. b3 bxa4 (51... c5 $2
52. axb5 c4 53. Ke4 cxb3 54. Kd3 $18) 52. bxa4 Kd5 $10 (52... c5 $10)) 51...
cxb5 $10 {/\52...a4,53...b4}) 50... a4 51. f4 (51. a3 b5 52. f4 (52. Kf4 c5 53.
Ke4 b4 54. f3 Kd6 $10) 52... c5 53. Kg6 Ke7 $10) 51... a3 52. bxa3 (52. b3 $6
c5 53. Kg6 Ke7 54. Kg7 $8 Ke6 $10) 52... c5 $10) 49. Ke4 (49. Kf4 {Hecht Bitte
Analyse prьfen bzw. ergдnzen} Ke6 $2 (49... c5 $1 50. Ke4 Ke6 51. f4 b5 52. f5+
Kf6 $2 (52... Kd6 $1 53. f6 Ke6 54. f7 Kxf7 55. Kd5 c4 56. Kc5 a6 57. a3 Ke6
58. Kb6 Kd5 59. Kxa6 Kc6 $11) 53. Kd5 c4 54. Kc5 a6 55. a3 Kxf5 56. Kb6 $18) (
49... b6 $5) (49... a5 $5) 50. Kg5 c5 51. f4 c4 52. Kg6 Ke7 53. f5 Kf8 54. Kf6
b5 55. Ke5 b4 56. Kd4 c3 57. bxc3 bxc3 58. Kxc3 Kf7 59. Kb4 Kf6 60. Ka5 Kxf5
61. Ka6 Ke6 62. Kxa7 Kd5 63. Kb6 Kc4 64. a4 $18) 49... Ke6 50. Kf4 (50. f4 {
Ftacnik} a5 $1 51. a4 b5 52. axb5 cxb5 53. Kd4 Kd6 54. f5 a4 55. f6 b4 $10)
50... Kf6 51. Ke4 Ke6 52. f3 Kf6 (52... a5 $1 {Ftacnik} 53. f4 (53. Kd4 {
Krasenkow,M} Kd6 $10) 53... a4 54. f5+ Kf6 55. a3 b6 56. Kf4 b5 57. Ke4 c5 58.
Kd5 b4 59. Kxc5 bxa3 60. bxa3 Kxf5 $10) 53. Kf4 (53. Kd4 $1 {Krasenkow,M} Ke6 (
53... b6 $6 54. Ke4 $18 {-53.Kf4}) 54. Kc5 $1 (54. f4 $1 Kf5 55. Kc5 Ke6 56.
f5+ Kd7 57. Kd4) 54... Ke5 (54... Kd7 55. f4) 55. a4 $1 (55. f4+ Kxf4 56. Kd6
Ke3 57. Kc7 c5 58. Kxb7 Kd3 $10) (55. a3 Ke6 56. f4 Ke7 (56... Kf5 $2 57. Kd6
Kxf4 58. Kc7 b5 59. Kxc6 b4 $1 60. axb4 Ke4 61. b5 Kd4 62. b4 Kc4 63. b6 axb6
64. b5 $18) 57. f5 Kd7 58. Kd4 Kd6 59. Ke4 c5 60. Kf4 b5 61. Kg5 Ke7 62. Kg6
Kf8 63. Kf6 b4 $1 $10) 55... Ke6 56. f4 $1 (56. a5 Kd7 57. f4 Kc7 58. f5 b6+
59. Kd4 Kd6 60. Ke4 (60. b4 bxa5 61. bxa5 c5+ 62. Ke4 c4 $10) (60. a6 c5+ 61.
Ke4 b5 $10) 60... bxa5 61. Kd4 a4 $10) 56... Kd7 (56... Ke7 57. f5 Kd7 58. Kd4
$1 (58. a5 Kc7) 58... Kd6 59. Ke4 c5 60. Kf4 $18) 57. f5 Ke7 (57... b6+ 58. Kd4
Kd6 59. Ke4 c5 60. Kf4 a6 61. Kg5 Ke7 62. Kg6 Kf8 63. Kf6 $18) 58. f6+ $1 (58.
Kd4 Kf6) 58... Kd7 (58... Kxf6 59. Kd6 a5 (59... b5 60. a5 b4 61. Kxc6 $18) 60.
Kc7 Ke5 61. Kxb7 Kd5 62. Kb6 Kc4 63. Kxc6 Kb4 64. b3 $1 $18) 59. a5 $1 Ke6 60.
f7 Kxf7 61. Kd6 Ke8 62. Kc7 c5 63. Kxb7 Kd7 64. Kxa7 Kc7 65. b3 Kc6 66. Ka6 $18
) 53... b6 {? Ftacnik} (53... a5 {Ftacnik} 54. a4 b5 55. axb5 cxb5 56. Ke4 a4
57. Kd4 b4 $10) 54. Ke4 Ke6 55. f4 a5 (55... c5 {Ftacnik} 56. f5+ (56. a4 $5 {
Krasenkow,M} a6 (56... Kd6 57. f5 a6 {-56...a6}) (56... c4 57. Kd4 Kf5 58. Kxc4
Kxf4 59. Kb5 Ke5 60. Ka6 Kd4 61. b4 $18) (56... Kf6 57. Kd5 $18) 57. f5+ Kd6 (
57... Kf6 58. Kd5 Kxf5 59. Kc6 $18) 58. f6 Ke6 59. f7 Kxf7 60. Kd5 $18) 56...
Kf6 (56... Kd6 57. Kf4 b5 58. Kg5 c4 (58... Ke7 59. Kg6 Kf8 60. Kf6 c4 61. Ke5
Kf7 62. Kd5 Kf6 63. Kc5 a6 64. a3 Kxf5 65. Kb6 Ke4 66. Kxa6 $18) 59. f6 b4 60.
Kg6 $18) 57. a3 c4 (57... b5 58. Kd5 c4 (58... b4 $1 {Krasenkow,M} 59. a4 $1
Kxf5 60. Kxc5 (60. b3 $2 a5 $1) 60... b3 $1 61. Kb4 Ke4 62. Kxb3 Kd5 (62... Kd3
63. Kb4 Kc2 64. a5 $18) 63. Kb4 Kc6 64. Ka5 $1 Kb7 (64... Kc5 65. b3 $18) 65.
Kb5 Kb8 (65... Ka8 66. Ka6 Kb8 67. b4) 66. Ka6 Ka8 67. b3 $1 Kb8 68. b4 Ka8 69.
a5 Kb8 70. b5 Ka8 71. b6 $18) 59. Kc5 $18) 58. a4 a6 59. Kd5 Kxf5 60. Kc6 $18)
(55... Kf6 {Ftacnik} 56. f5 (56. a4 Ke6 57. f5+ Kf6 58. Kf4 (58. b3 c5 59. Kf4
a6 $10) 58... c5 59. Ke4 c4 $10) 56... a6 (56... c5 57. Kf4 (57. Kd5 Kxf5 58.
Kc6 Ke5 59. a4 c4 $10) (57. a4 c4 $1 58. Kd5 Kxf5 59. Kxc4 Ke5 60. Kb5 Kd6 61.
Ka6 Kc5 $10) (57. a3 $3 c4 58. Kd4 Kxf5 59. Kxc4 Ke4 60. Kb5 Kd3 61. Ka6 Kc2
62. b4 $18) 57... c4 58. Ke4 b5 59. a3 a6 60. Kd5 Kxf5 $10) 57. a3 a5 58. a4
$18) 56. f5+ (56. a4 $1 Kf6 57. f5 b5 58. axb5 (58. b3 bxa4 59. bxa4 c5 60. Kd5
Kxf5 61. Kxc5 Ke6 $10) 58... cxb5 59. Kd5 a4 (59... Kxf5 60. Kc5 Ke6 61. Kxb5
Kd5 62. Kxa5 Kc6 63. b4 Kb7 64. Kb5 $18) 60. Kc5 Kxf5 61. Kxb5 a3 62. bxa3 Ke6
63. Kc6 $18) 56... Kd6 $2 (56... Kf6 57. Kf4 (57. a4 $18 {Krasenkow,M}) 57...
a4 58. Ke4 a3 59. b3 c5 60. Kd5 Kxf5 61. Kc6 Ke4 62. Kxb6 Kd4 63. Kb5 Kc3 64.
Kxc5 Kb2 65. b4 Kxa2 66. b5 Kb2 67. b6 a2 68. b7 a1=Q 69. b8=Q+ $10) 57. Kf4 $2
$138 (57. a4 $1 b5 (57... Ke7 58. Ke5 b5 (58... Kf7 {Ftacnik} 59. Kd6 $18) 59.
axb5 cxb5 60. Kd5 $18) 58. axb5 cxb5 59. f6 $1 (59. Kd4 $2 {Krasenkow,M} a4 60.
Kc3 Kc5 $1 61. f6 b4+ 62. Kd3 Kd6 $10) 59... Ke6 (59... a4 60. Kf5 b4 61. Kg6
a3 62. bxa3 (62. f7 $18 {Ftacnik}) 62... bxa3 63. f7 $18) 60. Kd4 Kxf6 61. Kc5
a4 (61... b4 62. Kb5 Ke5 63. Kxa5 b3 64. Kb4 Kd5 65. Kxb3 Kc5 66. Ka4 Kb6 67.
Kb4 Ka6 68. Kc5 $18) 62. Kxb5 a3 63. bxa3 Ke7 64. Kc6 Kd8 65. Kb7 $18) 57... a4
$10 58. Kg5 (58. a3 {Krasenkow,M} b5 59. Kg5 Ke7 60. Kg6 Kf8 61. Kf6 c5 62. Ke6
b4 63. Kd5 Kf7 64. Kxc5 bxa3 65. bxa3 Kf6 66. Kb5 Kxf5 67. Kxa4 Ke6 $10) 58...
a3 59. bxa3 (59. b3 Ke7 $10 (59... Ke7 {Ftacnik} 60. Kg6 Kf8 61. Kf6 c5 62. Ke6
(62. Ke5 {Krasenkow,M} b5) 62... b5 63. Kd5 c4 64. bxc4 bxc4 (64... b4 65. c5
b3 66. c6 Ke7 67. c7 Kd7 68. f6 bxa2 69. f7 a1=Q 70. c8=Q+ Kxc8 71. f8=Q+ $11)
65. Kxc4 Ke7 66. Kb4 Kf6 67. Kxa3 Kxf5 $10 (67... Kxf5 {Hecht} 68. Kb4 Ke6 69.
Kc5 Kd7 70. Kb6 Kc8 $11))) (59. b4 {Krasenkow,M} Ke7 60. Kg6 Kf8 61. Kf6 c5 $10
) 59... Ke7 60. Kg6 Kf8 61. Kf6 c5 62. Ke5 Kf7 (62... c4 {Hecht} 63. Kd4 b5 64.
a4 bxa4 65. Kxc4 Kf7 66. Kb4 Kf6 67. Kxa4 Kxf5 68. Kb5 Ke6 69. Kc6 $18) 63. a4
Ke7 64. a5 bxa5 65. a4 Kf7 66. Kd5 Kf6 67. Kxc5 Kxf5 68. Kb6 Ke6 69. Kxa5 Kd7
70. Kb6 Kc8 1/2-1/2

[Event "Tata Steel-A 74th"]
[Site "Wijk aan Zee"]
[Date "2012.01.17"]
[Round "4"]
[White "Aronian, Levon"]
[Black "Kamsky, Gata"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2805"]
[BlackElo "2732"]
[Annotator "Krasenkow,M"]
[PlyCount "115"]
[EventDate "2012.01.14"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "21"]
[SourceTitle "CBM 147"]
[Source "ChessBase"]
[SourceDate "2012.03.16"]
[SourceVersion "1"]
[SourceVersionDate "2012.03.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. d4 Bg7 7. e4 O-O 8.
Be3 Bg4 9. Rd1 {An unusual move order has led to a classic D99 position.} e6
10. Be2 Nc6 11. Ng1 Bxe2 12. Ngxe2 Qe7 13. O-O Rfd8 14. e5 {This was played in
the famous game Beliavsky - Ftacnik (see CBM 113). See also the survey by GM L.
Ftacnik in Lexicon07.} (14. a3 {was common a while ago.}) 14... h6 (14... Qb4
15. Qc2 h6 16. Ne4 {- 14...h6} (16. a3 Qc4 17. Rc1 Nd5 18. Nxd5 Qxc2 19. Nf6+
Bxf6 20. Rxc2 Bg7 21. Rfc1 Rd7 22. g4 {1/2 Ponomariov,R (2744)-Vachier Lagrave,
M (2715)/Wijk aan Zee 2011/CBM 141})) (14... Na5 15. Qc2 Nac4 16. Ne4 (16. Bc1
$5 {[%csl Rc4] deserves serious attention}) 16... Nxe3 17. fxe3 Nd5 18. Rf3 f5
19. exf6 Nxf6 20. Nxf6+ Bxf6 21. Rdf1 Rf8 22. Qb3 c6 23. Nf4 Rae8 $11 {1/2
Petrie,D-Bonoldi,F/SEMI 1999/Telechess CBM 93 (28)}) 15. a3 {White probably
feared a novelty on the part of his opponent, therefore he avoids the main
road paved by GM A.Beliavsky:} (15. Ne4 Qb4 16. Qc2 Qc4 17. Qxc4 $1 (17. N2c3
$143 Nd5 18. Rd2 Ncb4 19. Qa4 Nb6 20. Qa3 N4d5 21. b3 Qb4 22. Qc1 Nxc3 23. Nxc3
Rac8 $11 {1/2 Babula,V (2585)-Ftacnik,L (2606)/Czechia 2006/EXT 2007 (27)})
17... Nxc4 18. Rc1 Nxb2 $6 (18... Nb6 $142 19. Nc5 $14) 19. Rb1 Nc4 20. Rxb7
Rdc8 21. Rc1 Nxe3 22. fxe3 $16 {1-0 Beliavsky,A (2622)-Ftacnik,L (2597)/Turin
2006/CBM 113/[Krasenkow] (46)}) 15... Na5 $146 (15... Qd7 16. Ne4 Qd5 17. Qc2
Qc4 18. N2c3 (18. Qxc4 $5 Nxc4 19. Rc1 Nxb2 20. Rb1 Nc4 21. Rxb7 Nxa3 22. Rc1
$36) 18... Nd5 19. b3 Qa6 20. Nc5 Qxa3 21. Nxb7 Ncb4 22. Qd2 Nxc3 23. Qxc3 Nd5
24. Qc6 Re8 $11 {1/2 Babula,V (2566)-Fogarasi,T (2442)/Austria 2004/EXT 2006 
(33)}) 16. Qc2 c5 {A surgical but unsuccessful attempt to solve the problems.}
17. dxc5 Nbc4 18. Bc1 Nxe5 $14 {White's queenside pawn advantage plays an
important role here.} 19. b4 Nac6 20. Ne4 {[%csl Gd6][%cal Ye4d6][%mdl 32]} a6
21. h3 {A bit too slow.} (21. Nd6 $5 b6 22. Bb2 bxc5 23. bxc5 Rab8 24. Ba1 Qc7
25. Qe4 $36) 21... f5 $6 (21... Rxd1 22. Rxd1 Rd8 {was a logical way to
simplify the position, with good chances to equalise. If now} 23. Nd6 {then}
Na7 $1 {[%cal Ya7c8]}) 22. Nd6 Nf7 23. Nc4 {[%csl Gc4] This knight, keeping an
eye on b6, d6, and e5, will be very strong but the exchange of rooks will
definitely help Black.} (23. Be3 $5 Nxd6 24. cxd6 Qf7 25. Bb6 Rd7 26. Nc3 $1
Be5 27. Bc5 $36 {[%cal Yc3a4]}) 23... e5 $6 {Black should have simplified the
game:} (23... Rxd1 $142 24. Rxd1 Rd8 {. After the text move White creates
pressure on Black's centre.}) 24. Rde1 Kh7 25. Bb2 Re8 26. Nd4 {Exchanging one
of Black's key pieces.} (26. Nf4 Rad8 27. Nb6 Nd4 {was less clear.}) 26... Nxd4
27. Bxd4 Rad8 28. Bb2 e4 $6 {Prompting an undermining f2-f3, after which
Black's e4-pawn will be weak. It was better to keep the tension:} (28... h5 {
. If} 29. f3 {[%cal Ye1e2,Yf1e1] then} Qh4 $132) 29. Bxg7 Kxg7 30. f3 Qf6 (
30... Ne5 31. fxe4 Nxc4 32. Qxc4 fxe4 33. Rf4 e3 34. Rf3 {[%cal Rc4c3] winning
the pawn.}) 31. fxe4 Qd4+ 32. Kh2 Rxe4 33. Rxe4 Qxe4 $6 {The endgame with this
weak pawn will be difficult for Black.} (33... fxe4 $142 34. Re1 Re8 35. Rd1
Qf6 $14) 34. Qxe4 fxe4 {[%mdl 4096] GM Levon Aronian now displays excellent
technique.} 35. Kg3 (35. Na5 $5 Rd7 36. Re1 Re7 37. Kg3 {was a good
alternative but there is no need for such niceties.}) 35... Rd4 (35... Rd3+ 36.
Kf4 Rc3 37. Na5 e3 38. Re1 $1 Rxa3 39. Rxe3 {- see below}) 36. Na5 g5 (36...
Rd3+ $5 37. Kf4 e3 38. Re1 (38. Ra1 $5) 38... Rxa3 39. Rxe3 Ra4 40. Rb3 {
doesn't guarantee Black a draw either.}) 37. Kf2 Rd3 (37... Rd2+ 38. Ke3 Rxg2 {
is hardly good. After} 39. Nxb7 Rg3+ 40. Kxe4 Rxa3 41. c6 {White's passed pawn
should decide the game.}) 38. Re1 (38. Nxb7 $5 Ne5 39. Ra1 {[%cal Yb7d6]})
38... Rxa3 39. Rxe4 Kf6 (39... Nd8 $5 {, aiming for a rook ending, was
probably a better chance:} 40. Re8 (40. Nxb7 Nc6 $132 {[%csl Rb4]}) (40. Re7+
Kf8 41. Rd7 Nc6 42. Nxc6 bxc6 43. Rd6 a5 44. bxa5 Rxa5 45. Rxc6 Kf7) 40... Nc6
41. Nxc6 bxc6 42. Rc8 a5 $1 (42... Rb3 43. Rc7+ $1 Kf8 (43... Kg8 44. Rxc6 Rxb4
45. Rxh6 a5 46. Rg6+ Kf7 47. Rxg5) 44. Rxc6 Rxb4 45. Rxa6 Rc4 46. Rxh6 Rxc5 47.
Rh7 {cutting off Black's king and then attacking the g5 pawn.}) 43. bxa5 Rxa5
44. Rxc6 Ra2+ 45. Kf3 Rc2 {, and Black should hold on.}) 40. Nxb7 Ne5 41. Rd4
Ke7 42. Nd6 Rb3 (42... Nc6 {is too late:} 43. Nf5+ $1 Kf6 44. Rd6+ Kxf5 45.
Rxc6 h5 46. Ke2 $1 {- White's king moves to the queenside, and he should win.})
43. Nc8+ (43. Nc4 $6 Nd3+ 44. Ke2 Nxb4) (43. Nf5+ $142 $1 Ke6 44. Nxh6 Rxb4 (
44... Rd3 45. Re4 $1 Kd5 46. Re3 Rd2+ (46... Rd4 47. Rg3 $1) 47. Kg3 Rd4 48.
Ng8 $1 Nc6 49. Ne7+ Nxe7 50. Rxe7 Rxb4 51. Ra7 Ra4 52. Rg7 {with a winning
rook endgame.}) 45. Rd6+ Ke7 46. Nf5+ Kf7 47. c6 $1 Rc4 (47... Rf4+ 48. Ke2
Re4+ 49. Kd2 $1) 48. Nd4 a5 (48... Nd3+ 49. Kg3 Nb4 50. Nf3 $1) 49. Ke3 a4 50.
Ke4 Ng6 51. Rd7+ Kf6 52. Ra7 {with good winning chances.}) 43... Kf7 44. Nd6+
Ke6 {Not giving White an opportunity to correct his inaccuracy:} (44... Ke7 45.
Nf5+ $1) {But White gets another possibility.} 45. Nc4 $1 Nd3+ $2 {After this
move Black is probably lost. White's c-pawn is the decisive factor despite all
the moves of Black's knight. Here, too, the rook endgame was Black's only
chance:} (45... Nxc4 46. Rxc4 Kd7 47. Rd4+ Kc7 48. Rd6 Kb7 $1 (48... Rxb4 49.
Rxa6 {must be hopeless.}) 49. Rb6+ Ka7 50. Rxh6 Rxb4 51. Rh7+ Kb8 52. Rg7 a5
53. Rxg5 a4 {, and it is unclear whether White can win.}) 46. Kg1 Nf4 (46...
Nxb4 47. c6) 47. Rd6+ Ke7 48. Ne5 Rb2 (48... Rb1+ 49. Kf2 Rb2+ 50. Kf3) 49.
Rxa6 Rxg2+ 50. Kf1 Rb2 51. Rxh6 Nd5 52. Rd6 Ne3+ (52... Nxb4 53. Rb6 $18) (
52... Nf4 53. Ng6+ Nxg6 54. Rxg6 Rxb4 55. Rxg5 $18 {_|_}) 53. Ke1 Nc2+ 54. Kd1
Nxb4 55. Rb6 {[%cal Gb6b2]} Kf8 56. Rb8+ Kg7 57. Nc4 Rb3 58. c6 1-0

[Event "Olympiad-37"]
[Site "Turin"]
[Date "2006.05.30"]
[Round "9"]
[White "Beliavsky, Alexander G"]
[Black "Ftacnik, Lubomir"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2622"]
[BlackElo "2597"]
[Annotator "Krasenkow,M"]
[PlyCount "93"]
[EventDate "2006.05.21"]
[EventType "team-swiss"]
[EventRounds "13"]
[EventCountry "ITA"]
[SourceTitle "CBM 113"]
[Source "ChessBase"]
[SourceDate "2006.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.31"]
[SourceQuality "1"]
[WhiteTeam "Slovenia"]
[BlackTeam "Slovakia"]
[WhiteTeamCountry "SLO"]
[BlackTeamCountry "SVK"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 Nfd7 9. Qb3 Nb6 10. Rd1 e6 11. Be2 Nc6 12. Ng1 Bxe2 13. Ngxe2 Qe7 14. O-O
Rfd8 {This line was examined by GM L.Ftacnik in CBM89.} 15. e5 $5 {[%cal Cc6a5,
Ca5b3,Yc3e4] A relatively new plan in this position. White wants to "kill"
Black's g7 bishop and exploit the weakness of dark squares in his camp (g5,f6).
Meanwhile Black has no time to establish blockade on the d5 square.} (15. a3 {
is the main theoretical move.}) 15... h6 (15... Nb4 $6 16. Ne4 h6 17. Nc5) (
15... Na5 16. Qc2 Nac4 17. Ne4 (17. Bc1 $5 {[%csl Rc4] deserves serious
attention}) 17... Nxe3 18. fxe3 Nd5 19. Rf3 f5 20. exf6 Nxf6 21. Nxf6+ (21. Qc5
Qxc5 22. Nxc5 e5 $1) 21... Bxf6 22. Rdf1 Rf8 23. Qb3 c6 24. Nf4 Rae8 25. Nd3
Bg7 26. Rxf8+ Bxf8 27. Ne5 Qb4 28. Qc2 Bg7 29. Nd3 Qb5 {1/2-1/2 Petrie,
D-Bonoldi,F/SEMI 1999/Telechess CBM 93}) 16. Ne4 Qb4 (16... Nb4 $6 17. Nc5 {
[%csl Rb7]}) 17. Qc2 Qc4 18. Qxc4 $1 $146 {Improving on an earlier game by L.
Ftacnik:} (18. N2c3 Nd5 19. Rd2 Ncb4 20. Qa4 Nb6 21. Qa3 N4d5 {(the blockade
Black aims to)} 22. b3 Qb4 23. Qc1 Nxc3 24. Nxc3 Rac8 25. Rfd1 Nd5 26. Ne4 b6
27. Rc2 Qf8 28. Bd2 {1/2-1/2 Babula,V-Ftacnik,L/Czech Rep CZE 2006/The Week in
Chess 594}) 18... Nxc4 19. Rc1 Nxb2 $6 {After this Black's pawn structure is
destroyed "for nothing".} (19... Nb6 {(relatively best) is met by an annoying}
20. Nc5 {e.g.} Rdb8 (20... Rab8 21. Nxb7 Rxb7 22. Rxc6 Nd5 23. Nc3 Rxb2 24.
Nxd5 Rxd5 25. Rxc7 Rxa2 26. Rb1 $14) 21. Nxb7 Nxe5 22. Nc5 Nec4 23. Na6 Rb7 24.
b3 Nxe3 25. fxe3 Rc8 26. Nc5 Rbb8 27. Kf2 $14) 20. Rb1 Nc4 21. Rxb7 Rdc8 (21...
Rac8 22. Rc1 N4a5 23. Rb5 $16 {[%csl Ra5,Rc6]}) 22. Rc1 Nxe3 (22... N6a5 23.
Rb5 Rab8 24. Rc5 Rb2 25. Kf1 Rxa2 26. R1xc4 Nxc4 27. Rxc4 $16 {[%csl Rg7]}) 23.
fxe3 $16 {This structure change is generally very favorable for White in many
lines of the Gruenfeld. Besides, his rook is now on the 7th rank and Black's
c7 pawn is extremely weak, let alone his poor g7 bishop. The rest is a matter
of technique, which the outstanding GM playing White hardly lacks.} Ne7 24. Kf2
Nd5 25. Nf4 $1 {exchanging Black's only active piece (and a defender of his
position)} Rcb8 26. Rcb1 Rxb7 27. Rxb7 Nxf4 28. exf4 a5 29. Ke3 {White doesn't
hurry capturing the c7 pawn, which is doomed anyway. First he improves the
position of his king.} (29. Rxc7 Rb8) 29... c6 30. a4 Bf8 31. Kd3 Rd8 32. Kc4
Kg7 33. g4 {The principle of "two weaknesses" in action.} Ba3 34. h4 Kf8 35. h5
gxh5 36. gxh5 Kg7 (36... Kg8 37. Ra7 Bb4 38. Rc7) 37. f5 exf5 38. Ng3 f4 {
This passed pawn is not dangerous as it can't get any support.} 39. Nf5+ Kf8
40. Nxh6 Be7 41. Nf5 Bg5 42. Rb1 f3 43. h6 Ke8 44. h7 Kd7 45. Rb7+ Kc8 46. Nd6+
Rxd6 47. exd6 1-0

[Event "Bundesliga 1011"]
[Site "Germany"]
[Date "2010.11.14"]
[Round "4.4"]
[White "Roiz, Michael"]
[Black "Bobras, Piotr"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2637"]
[BlackElo "2535"]
[Annotator "Roiz,M"]
[PlyCount "106"]
[EventDate "2010.10.09"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 140"]
[Source "ChessBase"]
[SourceDate "2011.01.18"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.18"]
[SourceQuality "1"]
[WhiteTeam "Werder Bremen"]
[BlackTeam "Trier"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 {Meyer,CD} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 {I had never
tried this before.} ({Lately Black is doing quite well after} 5. Qa4+ Nc6) 5...
Nb6 6. d4 Bg7 7. e4 O-O (7... Bg4 $5) 8. Be3 Bg4 {Meyer,CD: Via Zugumstellung
ist das bekannte Grьnfeld-Indische Abspiel (Russisches System/Smyslow-Variante)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0-0 7.e4 Bg4 8.Be3 Nfd7
9.Qb3 Nb6 erreicht worden.} 9. a4 $5 {I had in mind Delchev's idea. Meyer,CD:
Anstatt dieser alten Fortsetzung ("schдrfer, aber nicht stдrker als Rd1", Euwe)
wird seit lдngerem fast ausnahmslos 11.Rd1 gespielt.} ({A well known
theoretical position could arise after} 9. Rd1 Nc6 10. d5 Ne5 11. Be2 Nxf3+ 12.
gxf3 Bh5 {Most of the games saw this from the Smyslov variation in Gruenfeld
with 5.Qb3.}) 9... Bxf3 $6 {The same mistake as in Delchev's game - Black
exchanges the important bishop and fails to solve the problem of the misplaced
Nb6!} ({My preparation was based on} 9... a5 $142 10. d5 (10. Rd1 Qd6 (10...
Nc6 11. d5 Ne5 $11) 11. Be2 Bxf3 12. gxf3 Qb4 13. Qc2 Nc6 14. d5 Nd4 15. Bxd4
Bxd4 16. Ra1 Rac8 17. O-O c6 18. dxc6 Rxc6 $17 {0-1/28, Wood,B - Unzicker,W,
Oldenburg 1949}) (10. Ne5 Be6 11. d5 Bxd5 12. Nxd5 Bxe5 13. Rd1 Nxd5 14. Qxb7
Nxe3 15. Rxd8 Nc2+ 16. Kd2 Rxd8+ 17. Kxc2 Nd7 18. b3 (18. Qc6 Rab8 19. b3 e6
$13 {/=}) 18... Nc5 (18... Bf4 19. Bb5 Rab8 $13 {/=}) 19. Qb5 Bd4 20. Qc6 Rab8
$2 (20... Bxf2 21. Bc4 e6 $14) 21. Bc4 $16 Nd7 $2 22. Bxf7+ $18 Kh8 23. f4 Rb4
24. Rd1 Nb6 25. Qe6 Nc8 26. Rxd4 {1-0, Miton,K (2586) - Petr,M (2495), Czechia
2009}) 10... Na6 11. Be2 Bxf3 $6 (11... Qd6 $5 12. O-O Qb4 $13 {1/2-1/2
Chistiakov,A-Nei,I/Kharkov 1956/EXT 2002 (39) Meyer,CD: '1/2-1/2/39,
Chistiakov,A - Nei,I, Kharkov 1956'}) (11... e6 12. h3 Bxf3 13. Bxf3 exd5 14.
exd5 Nb4 (14... Qh4 15. Ne4 Rae8 16. g3 Qd8 17. d6 $1 $14 {1-0/41, Euwe,
M-Smyslov,V, Den Haag/Moscow 1948}) 15. O-O Re8 16. Rfd1 Nc8 17. d6 Nxd6 18.
Nb5 Qb8 19. Rac1 $16 {1-0/39, Szabo,L-Benko,P, Budapest 1948}) 12. Bxf3 Nd7
$143 (12... Qd6 {/\Qb4(+)} 13. Nb5 (13. Be2 Qb4 14. Qxb4 axb4 15. Nd1 b3 $13)
13... Qb4+ 14. Qxb4 axb4 15. Nxc7 Nxc7 16. Bxb6 Bxb2 17. Rb1 Bc3+ 18. Ke2 Rfc8
19. a5 (19. Bg4 $2 f5 20. exf5 Nxd5) 19... Ne8 20. Bg4 Rc4 21. Kd3 Nd6 $11) 13.
O-O c5 14. Be2 $16 {after which White won convincingly in 1-0 Delchev,A (2623)
-Laylo,D (2522)/Khanty-Mansiysk RUS 2010/The Week in Chess 830 (52)} Nb4 15.
Nb5 Rc8 16. Rac1 Qb6 17. Bg4 Rfd8 18. Rfd1 $16 {1-0/52, Delchev,A (2623) -
Laylo,D (2522), Khanty-Mansiysk RUS 2010}) 10. gxf3 Nc6 $6 {Black's play looks
quite logical, but it seems that Piotr had understimated my 12th move. Meyer,
CD: 'Durch den Verzicht auf (das obligatorische) ...a5 gerдt das Spiel in
fremdes, stьrmisches Fahrwasser.'} (10... a5 11. d5 N8d7 $14 {1/2-1/2 Lee,R 
(2112)-Harman,R (2144)/Barnstaple 1971/EXT 1999 (54)} (11... Qd6 $1 12. Nb5
Qb4+ 13. Qxb4 axb4 14. Nxc7 Rxa4 15. Rb1 (15. Rxa4 $142 Nxa4 16. b3 $11) 15...
N6d7 16. Nb5 Rc8 {- =, ECO/D3 -} 17. Be2 $6 (17. f4 b3 18. e5 g5 $1 $13) (17.
Nd4 $5 b3 18. Nxb3 Rb4 $13 {Smyslov}) 17... b3 $36 {0-1/37, Euwe,M - Smyslov,V,
Den Haag/Moscow 1948}) 12. Rd1 Kh8 13. f4 Qe8 14. Bh3 Rc8 15. Rg1 c5 16. e5 {
1-0/63, Burnett,K (2290) - Greanias,S, Chicago 1992}) 11. a5 Nd7 $2 {[%csl Rd4]
[%cal Ge7e5] Now Black is ready to occupy the dark central square d4, but...} (
{Hier hдtte Schwarz m. E. mit} 11... Nxd4 $5 {"aus der Not eine Tugend" machen
sollen:} 12. Bxd4 Qxd4 13. axb6 axb6 {und mit zwei Mehrbauern und besserer
Struktur mag er ausreichend Kompensation fьr die geopferte Figur haben, z.B.}
14. Rd1 Qe5 15. Bg2 (15. h4 h5) 15... e6 16. O-O Rfd8 17. Rxd8+ Rxd8 18. Rd1
Rxd1+ 19. Qxd1 Bf6 20. Qd3 Kg7 21. h3 Be7 $14 (21... g5 $14)) 12. e5 $1 $16 {
This strong move makes everything clear: the weakness of 'the d5-square is
only symboicl, as Black's knights are restricted and couldn't reach it. Black
stands very passive and it's unclear what he can do against obvious threat of
pushing the central pawns by f3-f4 and d4-d5. Moreover, the Pb7 is hanging now,
so Black has to waste one more tempo without improving his pieces.} Rb8 ({
I was expecting} 12... e6 $5 13. Qxb7 Ne7 {but after} 14. f4 $16 {Black is in
big troubles:} Rb8 15. Qxa7 Rxb2 16. Bg2 $18 {[%csl Ga5]}) 13. f4 ({I was
considering the tempting} 13. h4 $36 {as well, but finally decided to make the
most natural move.}) 13... e6 {This is absolutely necessary.} 14. d5 {That was
played after long meditation.} ({My main alternative was:} 14. Bg2 $5 Ne7 (
14... Qh4 15. Qa4 Rfd8 16. d5 exd5 17. Nxd5 Ne7 $16) 15. d5 exd5 {and here
White has a choice:} {and} 16. Bxa7 $5 (16. Nxd5 Nxd5 17. Bxd5 c6 18. Bxf7+ (
18. Bc4 $5) 18... Rxf7 19. e6 (19. O-O-O $1 $18 {wins on the spot, but I
failed to find it during the game.}) 19... Re7 20. exd7+ Kh8 {and things are
far for being clear.}) 16... c6 (16... Ra8 17. Qxb7 c6 18. Bh3 f5 19. O-O $18)
17. Bxb8 Qxb8 {Black has some compensation for the exchange, although
objectively White is much better here.}) 14... exd5 15. Nxd5 b6 16. axb6 $6 {
That could ease Black's life...} ({Much stronger was} 16. Rd1 $142 $1 Nxa5 17.
Qa4 $16 {and Black is under serious pressure, while his extra pawn has no
value.}) 16... axb6 $2 {That was played almost immediately, but...} ({During
the game I thought that I missed most of the advantage after} 16... Nxb6 17.
Bg2 (17. Nxb6 axb6) 17... Nxd5 18. Qxd5 Qxd5 19. Bxd5 Ne7 (19... Nb4 20. Be4 f5
21. Bb1 $14) 20. Be4 Rb4 $1 $14) 17. Rd1 {Now Black is simply paralysed and
cannot avoid loss of material.} (17. O-O-O $5) 17... Qh4 (17... Ne7 18. Qb5 c6
19. Nxe7+ Qxe7 20. Qxc6 $18) 18. Qc2 $6 {Not the most accurate move.} (18. Qb5
$5 Ncxe5 19. fxe5 Qe4 (19... Nxe5) 20. Rg1 Nxe5 21. Bg2 Qh4) ({I failed to find
} 18. Qc4 $1 Ne7 (18... Na5 19. Qxc7 Rb7 20. Qc3 $18) 19. f5 $1 $18) 18... Ne7
$6 ({A better try was} 18... Ncxe5 19. fxe5 Nxe5 20. Be2 c6 {trying to
complicate the matters} 21. Nf4 $16) 19. Nxe7+ Qxe7 20. Qxc7 Qb4+ 21. Qc3 Qe4
22. Rg1 $18 {White is not only a pawn up, but still has a great strategic
advantage. Unfortunately, I managed to make too many mistakes...} Nc5 23. Qc4
$1 Qb7 {Black at least is trying to keep the queens on the board.} (23... Qf5
24. Rg5 Qc8 25. b4 $18) 24. Bh3 (24. f5 Nd7 $1 25. f4 $1 Rfc8 26. Qd5 $18)
24... Rfd8 25. Ke2 Qe7 26. Bg2 Ne6 27. Rxd8+ Rxd8 28. Rd1 Rb8 29. Bd5 Nc5 {
All that looks like real desperation, but we both were short on time.} 30. Qb5
(30. b4 Na4 31. Qc6 $1 b5 32. Bb3 $18 {[%cal Gd1d7]}) 30... Bf8 31. Qc6 b5 32.
Ba2 Ne6 {Here I made a couple of moves which spoiled all the advantage!} 33.
Bxe6 $2 {The first one...There was no reason to exchange such a powerful
bishop!} (33. Qd7 $18) (33. Rd6 $18) 33... Qxe6 34. Qxe6 fxe6 35. Rd7 Ra8 36.
Rb7 (36. Rc7 $142 Ra1 37. Bc1 $18 {was still enough to consolidate.}) 36... b4
37. Kd3 $2 {A waste of time! At this moment I didn't take care of my h-pawn...}
(37. Bc1 Ra1 38. Kd2 $18) 37... Ra1 {Somehow Black has managed to activate his
rook and can attack many pawns!} 38. Kc4 $2 {An additional ''empty'' move
which finally allows Black to escape!} ({After} 38. Bd2 Rd1 $1 39. b3 h5 $1 40.
Rb8 Kf7 41. Ke2 Rh1 42. Bxb4 Bxb4 43. Rxb4 Rxh2 44. Rb7+ $16 {White could
still hope for a win.}) 38... Rh1 39. Rb8 Kf7 40. Rb7+ Kg8 {Here I got extra
time, but it was already too late... Black simply wins the h-pawn and gets his
own passer.} 41. Kb5 Rxh2 42. Bc5 Bxc5 43. Kxc5 Rxf2 44. Rxb4 h5 45. Kd6 h4 (
45... Kf7 {was also good enough:} 46. Rb7+ Kg8 $11) 46. Kxe6 h3 47. Rb3 h2 48.
Rh3 Rxb2 (48... g5 49. fxg5 Rxb2 50. Kf6 Rf2+ 51. Kg6 Re2 $11) 49. Kf6 Rf2 50.
Kxg6 (50. Kg5 Rg2+ (50... Kf7 51. Kg4)) 50... Rxf4 {Cutting off White's
monarch. The draw is obvious.} 51. Rxh2 Kf8 52. Rh7 Ke8 53. Kg5 Rf1 1/2-1/2

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.24"]
[Round "7"]
[White "Kozul, Zdenko"]
[Black "Stohl, Igor"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2560"]
[BlackElo "2525"]
[Annotator "Stohl,I"]
[PlyCount "99"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "Czechoslovakia"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "CSR"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8.
Be3 (8. Ne5 Be6 9. d5 {49/563}) 8... Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12.
Be2 Nxf3+ 13. gxf3 Bh5 14. a4 $5 (14. Rg1) 14... Nd7 (14... Qd7 {47/584}) (
14... Qc8 15. Nb5 $6 Qh3 $1 $36) 15. f4 (15. Rg1 $5 Ne5 (15... Kh8 $5 {/\f5})
16. Rg3) 15... Bxe2 16. Nxe2 (16. Kxe2 $5 Nf6 $1 (16... c6 17. e5 Qc8 18. a5 $1
$16 {()}) 17. f3 Qd7 $132) 16... Qc8 {N} (16... Nf6 17. Ng3 (17. f3 $5) 17...
Qd7 18. e5 Ng4 19. Bd4 c6 $10) 17. Rc1 (17. e5 c6 18. Nc3 Nb6 19. Bxb6 $6 axb6
20. Qxb6 Qg4 $36) 17... c6 18. e5 (18. a5 $6 Qc7 19. Qa3 e5 $15) 18... Nb6 $1
$10 19. dxc6 (19. Bxb6 axb6 20. Qxb6 Rxa4 21. dxc6 bxc6 $40) (19. Nc3 Qh3 $1 (
19... Nxd5 20. Nxd5 Qe6 21. Nxe7+ Qxe7 22. Bc5 Qh4 23. Bxf8 (23. Qg3 Qxg3 24.
hxg3 Rfe8 $15 {/\f6}) 23... Qxf4 $44) (19... cxd5 $2 20. a5 Qc4 21. Qd1 $16)
20. dxc6 bxc6 21. a5 Qg2 $13 {|^}) 19... bxc6 20. Qc2 $6 (20. Nd4 c5 21. Qb5 $1
Nd7 $5 (21... Qb7 $6 22. Nc6 (22. Qc6 Rab8 23. Rxc5 Nxa4 $1) 22... a6 23. Nxe7+
(23. Qxc5 Nxa4 24. Qxe7 Qxb2 $13) 23... Kh8 24. Qc6 Qxc6 25. Nxc6 Nxa4 26. b3
$16) (21... cxd4 $5 22. Rxc8 Rfxc8 23. Bd2 Rab8 $14 {<=>}) 22. Nc6 (22. e6 Bxd4
) 22... Re8 23. Bxc5 Nxc5 24. Qxc5 Qf5 $44) 20... f6 (20... Qa6 $5 21. Qxc6 (
21. Nd4 $5 Nd5 22. Qxc6 $13) 21... Rfc8 22. Qb5 Qxa4 $36) 21. exf6 Bxf6 22. b3
Nd5 (22... Qh3 $1 23. Qxc6 Rac8 24. Qe4 (24. Qb7 $5) 24... Rxc1+ 25. Nxc1 Rd8 {
/\Nd5|^~/=}) 23. Qxc6 Qxc6 24. Rxc6 Rfb8 (24... Rab8 $10) 25. Nc1 $8 Bb2 26.
Kd2 (26. Ke2 Bxc1 27. Rhxc1 Rxb3 28. Rc8+ Rxc8 29. Rxc8+ Kf7 30. Bxa7 Ra3 31.
Rc4 Nc3+ $10) (26. O-O Bxc1 27. Rfxc1 Nxe3 28. fxe3 Rxb3 29. Kf2 Rb4 $10) 26...
Bxc1+ 27. Rhxc1 Nxe3 28. fxe3 Rxb3 29. Ke2 Rb2+ 30. R1c2 Rab8 31. Kf3 Rxc2 $10
32. Rxc2 Rb4 $6 (32... Rb7 33. Rc8+ Kf7 34. Ra8 Ke6 $10) (32... Kf7 $1 33. Rc7
Rb2 34. Kg3 Re2 $10) 33. Rc7 $14 Rxa4 34. Rxe7 a5 35. h4 $6 (35. e4 h5 $10) (
35. Kg4 $5 $14) 35... h5 $1 $10 36. Ra7 Kf8 37. Ke2 Ra3 38. Kf3 Ra4 39. Rd7 Rb4
40. Ra7 Ra4 $6 $138 41. Rh7 Rb4 42. Ke2 Rb3 43. Ra7 Ra3 44. Kd2 Kg8 45. Rc7 a4
$1 (45... Kf8 46. Rc3 $5 {/\Kd3-d4-e5}) 46. Ke2 Ra1 47. Ra7 a3 48. Kf3 a2 49.
Ke4 Kh8 $1 $8 (49... Kf8 $2 50. Ke5 Re1 51. Rxa2 Rxe3+ 52. Kf6 $16) 50. Ke5 (
50. Ke5 Re1 51. Rxa2 Rxe3+ 52. Kf6 Rg3 $10 {/\ Rg4}) 1/2-1/2

[Event "EU-Cup 26th"]
[Site "Plovdiv"]
[Date "2010.10.21"]
[Round "5.1"]
[White "Eljanov, Pavel"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2761"]
[BlackElo "2756"]
[Annotator "Stohl,I"]
[PlyCount "99"]
[EventDate "2010.10.17"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 139"]
[Source "ChessBase"]
[SourceDate "2010.11.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.18"]
[SourceQuality "1"]
[WhiteTeam "Economist SGSEU"]
[BlackTeam "Azerbaijan Socar"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "AZE"]

1. Nf3 ({The Grьnfeld move-order is} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5.
Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 Nb6 {, leading to the
position from our game, but with an extra move.}) 1... Nf6 2. c4 g6 3. Nc3 d5
4. cxd5 ({Another popular Anti-Grьnfeld line is} 4. Qa4+ Bd7 5. Qb3 dxc4 6.
Qxc4 {It was the topic of my opening surveys in CBM 123 & 125 and still
remains in the vogue.} {After} a6 7. e4 b5 8. Qe2 Bc8 (8... c5 $5) 9. d4 Bg7
10. g3 {the sharp novelty} c5 $6 ({Nobody has yet tested my recommendation} 
10... O-O 11. e5 Nd5 12. Bg2 Nxc3 13. bxc3 Be6 {, perhaps White can claim an
edge after} 14. O-O $5 Bc4 15. Qe4) 11. dxc5 O-O 12. Bg2 Be6 13. e5 Nfd7 14.
O-O Nxc5 (14... Bc4 15. Qe4 Bxf1 16. Bxf1 $44 {/+/-}) 15. Rd1 Nbd7 16. Nd4 Bc4
17. Qe3 {gave White a large advantage,} Nxe5 $5 18. Nc6 Nxc6 19. Rxd8 Raxd8 20.
Qxc5 Bxc3 21. Bxc6 Rd1+ 22. Kg2 Bf6 23. Bb7 $18 {Svidler,P (2734)-Howell,D 
(2616)/Amsterdam/2010/ was enterprising, but already rather desperate.}) 4...
Nxd5 5. Qb3 {This is not the main choice.} (5. Qa4+ {is played far more often,
but the text-move has become fashionable recently.}) 5... Nb6 6. d4 {We have
reached a position of the Grьnfeld proper, which can arise after 4.Nf3 Bg7 5.
cxd5 Nxd5 6.Qb3 Nb6. With the English Opening move-order White strives to
eliminate the option 6...Nxc3, which is considered satisfactory for Black.} Bg7
7. e4 $5 {Eljanov wants to reach a position from the Russian system, in which
Black has already committed himself to manoeuvring his N to b6.} ({Until now
he used to play the more restrained} 7. Bf4 Be6 8. Qa3 (8. Qc2 Nc6 9. e3 O-O
10. Be2 Nb4 {/\c5<=> doesn't cause Black any problems}) 8... Nc6 (8... O-O 9.
e3 N8d7 10. Rd1 c6 (10... a5 11. Ng5 (11. d5 Bxc3+ 12. bxc3 Bxd5 13. c4 Bxf3
14. gxf3 e6 15. h4 Qf6 16. Be2 e5 17. Bg5 Qc6 18. h5 f6 19. Bh6 Rf7 20. Rg1 {
Eljanov,P (2720)-Vachier Lagrave,M (2716)/Bundesliga/2008/} g5 21. f4 exf4 22.
exf4 Nxc4 $13) 11... Bd5 12. e4 Bc4 13. h4 $5 Bxf1 14. Kxf1 Nf6 15. Qc5 c6 16.
Nf3 e6 17. Qd6 Nc4 18. Qxd8 Rfxd8 19. b3 Na3 20. Be5 Ng4 21. Bxg7 Kxg7 22. Ke2
h5 23. Rd2 $14 {Ivanchuk,V (2754)-Vachier-Lagrave,M (2721)/Khanty-Mansiysk olm/
2010/ White's () and [+] gives him an edge, which he converted in an exemplary
fashion.}) 11. Ng5 Bd5 (11... Bc4 12. Bxc4 Nxc4 13. Qb3 e5 14. dxe5 Ncxe5 15.
O-O Qb6 16. Qc2 Nc5 17. Nce4 Nxe4 18. Nxe4 h6 19. Rd6 Rfd8 20. Nf6+ Kh8 21.
Rxd8+ Qxd8 22. Bxe5 Bxf6 23. Rd1 Qe7 24. Bxf6+ Qxf6 25. Rd7 $36 {Wang Hao 
(2715)-Li Chao2 (2613)/CHN-chT/2010/}) 12. e4 e5 (12... Bc4 13. Bxc4 Nxc4 14.
Qb3 e5 15. Qxc4 exf4 16. Nf3 $14) 13. dxe5 Bxe5 14. Bxe5 Nxe5 15. h4 ({More
principled is} 15. f4 $5 {/\} Re8 16. Nxd5 cxd5 17. Bb5 $36) 15... Qe8 16. h5
f6 17. Nf3 Nbc4 18. Bxc4 Nxc4 19. Qb3 Nd2 20. Qxb7 Rf7 21. Qb4 Rb8 22. Qd4 Bxe4
23. Rxd2 Bxf3+ 24. Kf1 Bxh5 25. Ne4 $44 {Eljanov,P (2687)-Svidler,P (2746)/
Foros/2008/}) 9. e3 a5 10. Bb5 (10. Be2 Nb4 11. O-O c6 12. Ng5 Bd5 13. Rfc1 h6
14. Nge4 Nc4 {1/2 Ivanchuk,V (2703)-Kamsky,G (2717)/Jermuk 2009/CBM 132 (114)}
15. Bxc4 Bxc4 16. Na4 Bb5 $11) 10... O-O 11. Bxc6 bxc6 12. Qc5 Nd5 13. Be5 Nxc3
14. Qxc3 Bd5 15. Bxg7 Kxg7 16. O-O Bxf3 17. gxf3 Qd5 $132 {1/2 Eljanov,P (2717)
-Kamsky,G (2692)/Ohrid 2009/CBM 133 (22)}) (7. Bg5 Be6 8. Qc2 Nc6 9. Rd1 h6 10.
Bh4 O-O 11. e3 Nb4 12. Qb1 Bf5 13. e4 Bg4 14. d5 Bxf3 $5 ({Stronger than the
older} 14... f5) 15. gxf3 Qd7 16. a3 Na6 17. Bg3 (17. Qc2 $6 Rfe8 18. Bg3 c6
19. d6 Nc5 $1 20. dxe7 Qxe7 21. Bd6 Bxc3+ 22. bxc3 Qf6 23. Bxc5 $2 Qxf3 24. Rg1
Rxe4+ 25. Be2 Rxe2+ 26. Qxe2 Qxc3+ 27. Qd2 Qxc5 $19 {Savchenko,S (2497)
-McShane,L (2629)/Bundesliga/2005/}) 17... c6 18. d6 Rfd8 19. Be2 e5 20. f4
exf4 21. Bxf4 Qe6 22. O-O g5 23. Bg3 Nc5 24. b4 Ncd7 $13 {/=/+,Pelletier,Y 
(2604)-Sutovsky,E (2646)/Pamplona/2003/}) 7... O-O {Mamedyarov falls in with
White's plans.} ({An attempt to disrupt them is} 7... Bg4 $5 8. Ng5 (8. Be3 {
'- 35/(570)'} Bxf3 9. gxf3 Bxd4 10. Rd1 c5 $15) (8. a4 Bxf3 9. gxf3 Nc6 10. d5
Nd4 11. Qd1 O-O 12. a5 Nd7 13. Be3 c5 14. dxc6 Nxc6 15. Bb5 a6 16. Bxc6 bxc6
17. Qe2 Ne5 18. Rd1 Qc8 19. f4 Ng4 $132 {Ivanchuk,V (2714)-Svidler,P (2713)/
Warsaw/1999/}) (8. d5 Bxf3 $5 (8... O-O 9. Be2 c6 $132) 9. gxf3 c6 10. Be3 O-O
11. Rd1 cxd5 12. exd5 (12. Nxd5 Nxd5 13. Rxd5 Qc7 14. Be2 Nc6 15. O-O e6 16.
Rd3 Be5 17. h3 Bf4 $36 {Romanishin,O (2560)-Kortschnoj,V (2670)/Tbilisi/1976/})
12... Na6 (12... N8d7 $5 {/\Nf6}) 13. h4 Qd6 14. h5 Qb4 15. hxg6 {Buhmann,R 
(2581)-Van der Weide,K (2502)/EU-ch Dresden/2007/} hxg6 $13 {/=/+}) (8. Ne5 $6
{is good in the line with the Q on c2, here it runs into} Be6 9. Qd1 (9. d5
Bxd5 $15) 9... Bxe5 10. dxe5 Qxd1+ 11. Nxd1 Nc6 $36) (8. Bb5+ c6 9. Ng5 O-O 10.
Be2 Bc8 (10... Bxe2 11. Nxe2 {/\} Bxd4 $6 12. Qh3 h5 13. g4 $40) 11. h4 c5 $6 (
11... Bxd4 $5 12. h5 Qd6 $13) 12. dxc5 N6d7 13. Be3 Qa5 14. Qc4 b5 15. Qb3 Na6
16. O-O h6 17. Nf3 b4 18. Qa4 $1 $16 {Illescas Cordoba,M (2591)-Negi,P (2615)/
ESP-chT Sestao/2010/}) 8... O-O 9. h3 Bc8 (9... Bd7 10. Be3 (10. Nf3 $142 $14)
10... Nc6 11. d5 Nd4 12. Qd1 e5 13. Nf3 Nxf3+ 14. Qxf3 f5 15. Qd1 f4 16. Bc5
Rf6 17. f3 Bf8 18. Bf2 Be7 19. Qb3 Kh8 20. Be2 Qf8 21. Rc1 Bc5 $132 {Baur,
H-Mueller,F/corr/1987/}) 10. Nf3 Nc6 $6 (10... Bxd4 $5 {is the principled move}
) 11. d5 Nb8 (11... Ne5 12. Nxe5 Bxe5 13. Bh6 Re8 14. Rd1 Qd6 15. Bb5 Bd7 16.
O-O a6 17. Bxd7 Nxd7 18. Be3 c5 19. f4 $36 {Schuster,K (2236)-Studnicka,T 
(2283)/OL Bayern/2008/}) 12. Be2 c6 13. O-O cxd5 14. exd5 N6d7 15. Be3 Na6 16.
Qa3 Nc7 17. Rfd1 $16 {Barlov,D (2520)-Kovacevic,P (2405)/YUG-chT/1989/}) ({
Very risky is} 7... Bxd4 $6 8. Nxd4 (8. Bh6 $5 Be6 9. Qc2 c5 10. Nxd4 cxd4 11.
Rd1 Nc6 12. Bb5 Bc4 13. Bxc6+ bxc6 {Novoselski,Z (2370)-Djuric,S (2495)/
Svetozarevo/1990/} 14. b3 Ba6 15. Na4 $40) 8... Qxd4 9. Bh6 (9. Bf4 Be6 10. Qa3
Nc6 11. Bb5 O-O 12. Bxc6 bxc6 13. O-O Nc4 $132 {Riemersma,L (2430)-Jensson,E/
Hafnarfjordur/1995/}) 9... Be6 10. Qc2 Nc6 $6 (10... a6 $142) 11. Nb5 Qe5 $2 (
11... Qd8 12. Rd1 Bd7 13. Qc3 $40) 12. f4 Qh5 13. Nxc7+ Kd7 14. Nxa8 Rxa8 15.
Bg5 Bg4 16. Be2 Ke8 17. Bxg4 Qxg4 18. Qe2 Qe6 19. O-O f6 20. Bh4 $18 {Kalka,A 
(2381)-Seel,C (2232)/Gelsenkirchen/2001/}) 8. Be3 Bg4 9. O-O-O $5 {An unusual
line, White mostly plays the main move} (9. Rd1 {without second thought. Here
Black has a choice between 2 concepts:} Nc6 ({The restrained option is} 9... e6
10. Be2 Nc6 11. Ng1 Bxe2 12. Ngxe2 Qe7 13. O-O $11 {/+/=}) 10. d5 Ne5 11. Be2
Nxf3+ 12. gxf3 Bh5 {is the sharp main line. Lately it hasn't been played much,
but the following example perhaps deserves attention:} 13. Rg1 Qc8 14. Rg3 c6
15. a4 Nd7 $5 ({More usual is} 15... Qc7) 16. a5 ({\/Prematurely swapping the
offside Bh5 is inconsistent:} 16. f4 Bxe2 17. Kxe2 Nf6 18. f5 cxd5 19. Nxd5
Nxd5 20. Rxd5 Qc6 $11 {Nagatz,F (2250)-Pielmeier,T (2218)/Karlsruhe/2003/})
16... Ne5 ({Correspondence players have tested} 16... Be5 $5 17. a6 bxa6 18.
dxc6 Qxc6 19. Nd5 Rfe8 20. Bf4 Rab8 21. Qa3 Qd6 22. Bxe5 Qxa3 23. bxa3 Nxe5 24.
Nf4 Kh8 25. Nxh5 gxh5 26. f4 h4 $11 {1/2,Lara Ruiz,J (2364)-Penafiel Lopez,J 
(2330)/corr/2008/}) 17. Rc1 Kh8 {[%cal Yf7f5] /\f5} 18. a6 (18. f4 $142 $5 {/\}
Bxe2 19. Nxe2 Ng4 20. a6 $14) 18... bxa6 19. Qa4 Rb8 20. b3 a5 21. f4 Bxe2 22.
fxe5 Ba6 23. dxc6 Bxe5 24. Bd4 Qe6 25. Rg5 f6 26. Bxe5 Qh3 $1 $40 {Buhmann,R 
(2569)-Areshchenko,A (2650)/EU-ch Plovdiv/2008/}) 9... e6 {Undoubtedly
surprised, Black reacts passively. Although his choice is probably viable, he
had other moves:} (9... e5 $6 10. dxe5 (10. d5 $14) 10... N8d7 11. Be2 (11. h3
$1 Bxf3 12. gxf3 Bxe5 13. f4 $16) 11... c6 12. Rd2 Qc7 13. Rhd1 Rad8 (13...
Nxe5 $132) 14. Qb4 Bxf3 15. Bxf3 Nxe5 16. Be2 Rxd2 17. Rxd2 Rd8 18. f4 Rxd2 19.
Bxd2 Ned7 20. g3 $14 {[%csl Gd2,Ge2] /+/-,^^,Bartuszat,F-August,A/corr/1964/})
({The standard method} 9... Nc6 10. d5 Ne5 11. Be2 Nxf3 12. gxf3 Bh5 {is
perhaps not ideal:} 13. h4 ({Too rash is} 13. f4 Bxe2 14. Nxe2 c6 15. Kb1 (15.
dxc6 Qc7 $11) 15... cxd5 16. Bxb6 axb6 17. Rxd5 Qc8 18. f5 e6 19. Rb5 exf5 20.
exf5 Re8 21. Ng3 Bd4 $36 {Fahnenschmidt,G (2350)-Navara,D (2275)/Boeblingen/
1998/}) (13. Kb1 $5 $14 {deserves attention.}) 13... Qc8 14. Kb1 c6 15. Rc1 $1
Kh8 16. Nb5 Nd7 17. Nd4 (17. Nxa7 Qb8 18. dxc6 $16) 17... Ne5 18. f4 Bxe2 19.
Nxe2 Qg4 20. Qd1 (20. Nd4 $1 $16 {/\} Nf3 21. Qd1) 20... cxd5 21. fxe5 Qxe4+
22. Ka1 Qxe5 23. Bd4 Qd6 24. h5 $36 {Yudovich,M-Vasiukov,E/Moscow/1964/}) (9...
a5 {is the most played and maybe the best, but the line is still unexplored
and both sides may improve on known examples:} 10. h3 (10. a3 $6 e6 11. Be2 a4
12. Qc2 Nc6 13. Ng1 Bxe2 14. Ncxe2 Na5 15. Nf3 Nbc4 16. Bg5 Qe8 17. Kb1 c5 18.
Rd3 Rc8 19. Rc3 b5 20. Rd1 h6 21. Bc1 Nb3 22. e5 Qc6 $17 {Farago,I (2485)
-Ftacnik,L (2618)/Hamburg/2001/}) (10. Be2 a4 11. Qa3 Qd6 12. Qxd6 cxd6 13. Kb1
Na6 (13... a3 $5 14. b3 Nc6 15. d5 Nb4 $132) 14. h3 Bd7 15. Nd2 d5 {1/2,Farago,
I (2510)-Stohl,I (2560)/AUT-chT/1993/} 16. f3 $13) 10... Bxf3 11. gxf3 a4 12.
Qa3 (12. Qc2 a3 13. b3 c6 $6 (13... Nc6 $142 14. Nb5 e6 {/\Nc8-d6<=>}) 14. h4
Qc7 15. f4 Rd8 16. h5 Na6 17. hxg6 fxg6 18. Bxa6 Rxa6 19. f5 $40 {Burnier,L 
(2356)-Swahnberg,L (2380)/corr/2007/}) 12... Qd6 $5 (12... Nc6 13. Kb1 (13. f4
e6 14. h4 Re8 15. Nb5 Bf8 16. Qc3 a3 17. b3 Nb4 18. Qd2 c5 19. Kb1 $14 {
Winants,L (2440)-Peelen,P (2385)/Dieren/1987/}) 13... e6 14. h4 Re8 15. Nb5 h5
16. Be2 Na7 (16... Bf8 17. Qc3 a3 18. b3 $14) 17. Nxa7 Rxa7 18. f4 Ra5 19. Qc3
Ra8 20. a3 Qe7 21. Rc1 Rac8 22. Qc2 c6 23. Rh3 $36 {[%csl Gd4,Ge4,Gf4] ()[+],
Openformula (2688)-Rajlich (2581)/playchess.com/2006/}) 13. Nb5 (13. Qxd6 cxd6
14. Nb5 (14. Bg5 f6 15. Be3 a3 16. bxa3 Rxa3 17. Kb2 Ra5 18. h4 f5 19. h5 f4
20. Bc1 Nc6 21. hxg6 hxg6 22. Nb5 Ra4 $17 {Pedersen,S (2110)-Kramer,S (2280)/
corr/1996/}) 14... d5 $132) 13... Qxa3 14. Nxa3 N8d7 15. h4 (15. d5 f5 $13) (
15. f4 $6 f5 16. e5 c6 17. Bg2 e6 18. Kb1 Rfd8 19. h4 h5 20. Rc1 Bf8 21. Nc2
Nd5 22. Bxd5 (22. Ne1 $142 $15) 22... exd5 23. Ne1 Be7 24. Nf3 Nf8 25. Kc2 Ne6
$17 {Addison,W-Uhlmann,W/Palma de Mallorca/1970/}) 15... f5 16. d5 (16. Kb1 $5
$13) 16... f4 17. Bxb6 cxb6 18. Kb1 Ne5 19. Nb5 Rfc8 20. Nd4 {Baudoin,J (2346)
-Lacoste,A (2273)/corr/2003/} a3 21. Bh3 Rc5 $132) 10. Ne2 $146 {[%mdl 8] An
interesting novelty, White fortifies his [+] in advance.} (10. h3 Bxf3 11. gxf3
Nc6 (11... a5 $5) 12. d5 exd5 13. Nxd5 Nxd5 (13... Qh4 14. Rg1 $14) 14. Rxd5
Qf6 15. f4 Rfd8 $2 ({Black could have got <=> with} 15... Rad8 $1 16. Bc4 Bh6 {
/\} 17. e5 Qh4 18. Qxb7 Bxf4 19. Qxc6 Qxf2 $36) 16. Bc4 Rxd5 ({Here} 16... Bh6
17. e5 Qh4 18. Qxb7 Bxf4 19. Qxc6 Qxf2 20. Bxf4 Qxf4+ 21. Kc2 Qe4+ 22. Kb3
Rab8+ 23. Ka3 $18 {doesn't work anymore, Black's R are misplaced and he can't
take on h1.}) 17. Bxd5 Na5 18. Qb4 c6 19. e5 Qd8 20. Bf3 Bf8 21. Qe4 c5 22. h4
c4 23. h5 Rc8 24. hxg6 fxg6 25. f5 $40 {Ageichenko,G (2384)-Jeitz,C (2226)/
Pardubice/2008/}) 10... Qc8 {Rather dubious, the Q is ineffective here.} (10...
Nc6 $6 11. Ne5 $1 {is one of the ideas behind White's previous move:} Bxe2 $8
12. Bxe2 $16 {^^[+]}) (10... Bxf3 11. gxf3 Qh4 $5 12. Rg1 Nc6 $13 {is more in
the spirit of Black's 10-th move.}) 11. Kb1 (11. Ng5 c5 $1 12. dxc5 Na6 13. Qb5
(13. f3 $6 Nxc5 14. Qc2 Nc4 $1 15. Bd4 Bxd4 16. Rxd4 Ne3 17. Qc3 e5 $17 {
and Black frees his Bg4 with great effect.}) 13... Nc7 14. Qd3 Na6 15. Qb5 $11)
11... c5 $2 {[%mdl 64] Consistent, but overaggressive, the tactics won't work
out for Black.} ({After} 11... Bxf3 12. gxf3 a5 {Black's 10-th move doesn't
fit in (a.o. he lacks Qd6) and he is worse after} 13. Qc2 $14 (13. h4 $5)) (
11... Nc6 $142 $5 12. h3 (12. Ng5 e5 $1 13. dxe5 (13. d5 Nd4 14. Bxd4 exd4 {/\}
15. f3 Bd7 {[%cal Rd7a4]}) 13... h6 14. Nf3 Rd8 $132) 12... Bxf3 13. gxf3 $14)
12. dxc5 N6d7 13. Rc1 (13. Qa3 $5 {is perhaps even better, Rd1 remains on the
<->.} {Maybe White was worried about} Bxf3 (13... Na6 14. Rc1 {transposes to
the game, but Black has to reckon also with} (14. Nd2 $5 e5 15. Nb3 Be6 16. Nc3
$16)) 14. gxf3 b6 15. cxb6 Nc6 16. bxa7 Nxa7 {, but he should consolidate his
material advantage after} 17. Nd4 Nb5 18. Qb3 Nxd4 19. Bxd4 $16) 13... Na6 (
13... Nc6 $16 {was maybe objectively better, but it admits the failure of
Black's plan, as he won't be able to win the Pc5.}) 14. Qa3 Rd8 15. Ne1 (15.
Ned4 $5 {/\} Bf8 16. Ng5 $1 Bxc5 17. Qb3 {[%csl Rg4] ץg4} h6 18. Nxf7 (18.
Ngxe6 fxe6 19. Nxe6 $18) 18... Kxf7 19. h3 $18) 15... e5 ({Black seeks
complications, unappealing is} 15... Bxe2 16. Bxe2 Qc6 17. f3 $16) 16. Nc3
Naxc5 (16... Bf8 17. Bxa6 bxa6 18. Nd3 $16 {/+-,/\} Be6 19. Rhd1 Bc4 20. Nd5)
17. Nd5 Bf8 18. b4 $18 Nxe4 {Black was losing at least a piece and all other
moves are hopeless, so he seeks practical chances at any cost.} 19. Rxc8 Raxc8
20. f3 Nef6 (20... Bf5 21. Bd3 $18) 21. Nxf6+ Nxf6 22. Bd3 {Being a Q up,
White wants to play it safe.} (22. fxg4 $5 Rd1+ 23. Kb2 Rxe1 24. Qxa7 Bxb4 (
24... Nxg4 25. Qxb7 $18) 25. Qxb7 Ba3+ 26. Kxa3 Rxe3+ 27. Kb2 Rec3 28. Ba6 $18
{was also sufficient.}) 22... e4 (22... Nd5 23. Bc5 Be6 24. Bxf8 Kxf8 25. Kb2 {
/\} Nf4 26. g3 $18) 23. fxg4 Nd5 (23... exd3 24. Nxd3 Nd5 (24... Ne4 25. Nc5)
25. Bd2 Nc3+ (25... Nb6 26. Qb3 $18) 26. Bxc3 Rxd3 27. Rc1 a5 28. Qxa5 $5 Rcxc3
29. Rxc3 Rxc3 30. Qb6 $18) 24. Bg5 (24. Bd2 e3 $5 (24... exd3 25. Nxd3 $18 {
-23...exd3}) 25. Bc1 Nc3+ 26. Ka1 Bg7 27. Bb2 Nb5 28. Qb3 Rc1+ 29. Bb1 Na3 (
29... Rdd1 30. Bxg7 Na3 31. Nd3 $18) 30. Bxg7 Rxb1+ 31. Qxb1 Nxb1 32. Nf3 $18 {
is an easy line for a computer, but a human player seeks something less
"exciting".}) 24... Rd6 $5 (24... Nc3+ 25. Qxc3 Rxc3 26. Bxd8 exd3 27. Bf6 d2
28. Nc2 $18) 25. Bxe4 $6 (25. Bd2 $142 $5 {was still possible. With the
text-move Eljanov gives back his Q, but although Black's material disadvantage
won't be so dramtic anymore, he curbs the tatics and surely hauls in the full
point.}) 25... Nc3+ 26. Qxc3 Rxc3 27. Nc2 a5 (27... Rd7 28. Bf3 Rc4 29. a3 $16
{/+-}) 28. bxa5 Rc5 29. Bf4 Rb5+ 30. Kc1 Re6 31. Bd3 Rxa5 32. Bd2 Ra4 (32...
Rxa2 33. Bc4 Ba3+ 34. Nxa3 Rc6 $5 (34... Rxa3 $2 35. Kb2 $18) 35. Re1 Rxa3 36.
Re8+ Kg7 37. Kb2 Ra4 38. Bc3+ f6 39. Bd5 Rb6+ 40. Kc2 Rxg4 41. Re7+ Kf8 (41...
Kh6 42. Be4 $18) (41... Kh8 42. Rf7 $18) 42. Rf7+ Ke8 43. Rxh7 $18) 33. Bb5
Rae4 (33... Rxa2 34. Bc4 {-32...Rxa2}) 34. h3 R6e5 35. a4 {White has fully
consolidated his position and can now activate, or exchange his R.} h5 36. gxh5
Rxh5 37. Re1 Rhe5 38. Rxe4 Rxe4 39. Be3 Re6 40. Kd2 $18 Bd6 41. Kd3 Bc7 42. Nd4
Rf6 43. Ke4 Bb6 44. Kd5 Bc7 45. Bc4 Bb6 46. Ke4 Ba7 {><b7} 47. a5 $1 {[%csl
Rb7]} Bc5 48. Bd5 b6 ({Desperate, but Black can't hold the ><b7 anyway after} 
48... Ra6 49. Nb3 Bxe3 50. Kxe3 Ra7 (50... b6 51. Bb7 $18) 51. Kd4 {[%cal
Rd4b6] /\Kc5-b6}) (48... b5 49. Nc6 $18) 49. a6 b5 50. Nc6 1-0

[Event "Sautron Loire Masters 1st"]
[Site "Sautron"]
[Date "2012.11.01"]
[Round "7"]
[White "Ivanov, Jordan"]
[Black "Shishkin, Vadim"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2374"]
[BlackElo "2496"]
[Annotator "Stohl/Primel,D"]
[PlyCount "56"]
[EventDate "2012.10.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[EventCategory "4"]
[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. Nf3 {[%emt 0:01:03]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:08]} g6 {
[%emt 0:00:20]} 3. Nc3 {[%emt 0:00:12]} d5 {[%emt 0:00:09]} 4. cxd5 {[%emt 0:
00:07]} Nxd5 {[%emt 0:00:02]} 5. Qb3 {[%emt 0:00:26] La ligne critique depuis
quelques annйes} (5. e4) (5. Qa4+) (5. Qc2 $5 {Une idйe rйcente}) 5... Nb6 {
[%emt 0:00:22]} 6. d4 {[%emt 0:00:17]} Bg7 {[%emt 0:00:37]} 7. e4 {[%emt 0:00:
22]} (7. Bg5) (7. Bf4) 7... Bg4 $1 {[%emt 0:01:09][%csl Rd4]} (7... O-O 8. Be3
Bg4 9. Rd1 $14 {[%csl Gd4,Ge4]}) 8. Be3 {[%emt 0:01:41]} O-O {[%emt 0:07:05]} (
8... Bxf3 9. gxf3 Bxd4 10. O-O-O $44 {Fressinet,L (2707)-So,W (2673) Tata
Steel-B 73rd 2011 (6) 0-1}) 9. O-O-O {[%emt 0:01:38]} (9. Rd1 {[%csl Gd4,Ge4]
[%cal Gf1e2,Gc3e2,Ge2d4]}) 9... e6 {[%emt 0:13:43][%csl Gd5]} (9... Nc6 10. d5
Ne5 11. h3 $1 Bxf3 12. gxf3 Nxf3 13. Be2 Ne5 14. f4 Ned7 15. h4 h5 16. Rhg1 {
[%cal Ge2h5,Gg1g8]} Kh7 17. e5 $36 {[%cal Gb3c2,Ge2h5]}) 10. Ne2 {[%emt 0:07:
11][%csl Gd4,Rf1] Renforce le centre mais au dйtriment du dйveloppement et les
Noirs sont proches de l'йgalitй.} Nc6 $6 {[%emt 0:06:15]} 11. h3 $6 {[%emt 0:
02:18] Trop lent} (11. Ne5 $1 Bxe2 12. Bxe2 $14 {[%csl Gd4,Ge4] Stohl}) 11...
Bxf3 {[%emt 0:03:56]} (11... Na5) 12. gxf3 {[%emt 0:00:04]} Na5 $1 {[%emt 0:00:
08][%csl Gc4]} 13. Qc2 {[%emt 0:01:43]} Nac4 $132 {[%emt 0:00:16]} 14. h4 {
[%emt 0:04:51]} Nxe3 {[%emt 0:02:13]} (14... c5 $1 {[%csl Rc1][%cal Gg7b2]} 15.
dxc5 (15. Kb1 Rc8 (15... cxd4 16. Nxd4 Rc8 $132 {[%cal Gc8c2]})) 15... Bxb2+
16. Qxb2 Qxd1+ $1) 15. fxe3 {[%emt 0:00:06]} Qe7 {[%emt 0:15:15]} 16. Nc3 {
[%emt 0:08:45]} Rfd8 {[%emt 0:06:36]} (16... c5 {Plus dynamique} 17. f4 cxd4
18. exd4 Rac8 $132 {[%csl Rc1,Rc2][%cal Gb6a4]} 19. Kb1 Nc4 20. Bxc4 Rxc4 21.
h5 Rxd4 22. Rxd4 Bxd4 23. Ne2 Bg7 24. hxg6 hxg6) 17. f4 {[%emt 0:10:36]} (17.
h5 c5 18. hxg6 hxg6) 17... c5 {[%emt 0:00:31]} 18. e5 $1 {[%emt 0:06:36] Le
Bg7 est trйs fort et il est logique de vouloir l'enfermer} cxd4 {[%emt 0:00:03]
} 19. exd4 {[%emt 0:01:38]} Rac8 $14 {[%emt 0:03:58]} 20. Kb1 {[%emt 0:01:57]}
Qb4 {[%emt 0:13:52]} 21. a3 {[%emt 0:04:47]} Qa5 {[%emt 0:00:02]} 22. Qb3 {
[%emt 0:04:47]} (22. h5 Nd5 {[%csl Rc2,Rc3]}) 22... Rd7 {[%emt 0:08:04]} 23. h5
{[%emt 0:07:04]} Rcd8 {[%emt 0:01:42][%csl Rd4]} 24. hxg6 {[%emt 0:00:10]} (24.
Nb5 {[%cal Gb5d4,Gb5d6]} a6 25. Nd6 Qd5 26. Qh3 {[%cal Gh5g6]} Rxd6 $1) 24...
hxg6 {[%emt 0:00:04]} 25. Nb5 {[%emt 0:01:46]} a6 {[%emt 0:03:56]} 26. Nd6 {
[%emt 0:00:32]} Rxd6 $1 {[%emt 0:00:03]} 27. exd6 {[%emt 0:00:21]} Rxd6 $44 {
[%emt 0:00:02]} 28. Bg2 {[%emt 0:05:57]} Qf5+ {[%emt 0:00:04]} 1/2-1/2

[Event "Voronezh op-A 20th"]
[Site "Voronezh"]
[Date "2016.06.18"]
[Round "7"]
[White "Zakhartsov, Viacheslav V"]
[Black "Matinian, Nikita"]
[Result "1/2-1/2"]
[ECO "D99"]
[WhiteElo "2531"]
[BlackElo "2465"]
[Annotator "Zakhartsov,Vi"]
[PlyCount "119"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 173"]
[Source "ChessBase"]
[SourceDate "2016.07.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.07.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. d4 Bg7 7. e4 O-O {
Nikita has recently started to play the Grьnfeld. Probably, therefore, he did
not choose the topical continuation:} (7... Bg4 8. Bb5+ c6 9. Ng5 O-O 10. Be2
Bxe2 (10... Bc8 11. h4) 11. Nxe2 Na6 12. Qh3) 8. Be3 Bg4 9. Rd1 {Now we have
transposed to the Smyslov Variation of the Russian System (4.Nf3 Bg7 5.Qb3
dxc4 6.Qxc4 0-0 7.e4 Bg4 8.Be3 Nfd7 9.Qb3 Nb6 10.Rd1) which is far less
popular nowadays than 7...a6 or 7...Na6.} Nc6 10. d5 Ne5 11. Be2 Nxf3+ 12. gxf3
Bh3 {One feels that he is not very familiar with this variation.} (12... Bh5 {
(in order to exchange bishops in the event of f3-f4) is stronger.}) 13. Rg1 Qc8
14. a4 {Straightforward.} (14. f4 Bd7 15. f5 Kh8 16. fxg6 fxg6 17. h4 $36 {
(Mikenas - Vaganian, Vilnius 1967) is also strong.}) 14... c6 15. a5 Nd7 16.
Rc1 (16. Rg3 Nf6 17. a6 {! (I had underestimated this option)} bxa6 18. dxc6 {
would give White a large advantage:} Nh5 19. Nd5 Re8 20. Qb7 {!} Nxg3 21. fxg3
Bf8 22. b4) 16... Nf6 17. a6 {A necessary intermediate move.} (17. e5 Nxd5 18.
Nxd5 Qe6 {, taking back the knight.}) 17... bxa6 18. e5 Nd7 (18... Nxd5 {?} 19.
Nxd5 Qe6 20. Rxc6) 19. f4 Nb6 20. Bf3 (20. Qa3 cxd5 21. Nxd5 Nxd5 {!} 22. Rxc8
Raxc8 {with ample compensation for the queen.}) 20... cxd5 21. Nxd5 Qe6 22. Rc6
Qd7 23. Bxb6 $6 (23. Rc7 Qd8 24. Nxe7+ Kh8 25. Qc2 Rb8 26. Rxa7 {with
advantage.}) 23... Rab8 (23... axb6 $1 {was quite possible:} 24. Nxb6 Rab8 25.
Nxd7 Rxb3 26. Nxf8 Rxf3 {(the point)} 27. Nxg6 hxg6 28. Rg3 Rxg3 (28... Rxf4 {
!?} 29. Rxh3 Bxe5) 29. hxg3 f6 30. Rxa6 Kf7 {with a probable draw.}) 24. Rc7
Rxb6 25. Qc2 Qb5 26. Nxb6 axb6 27. Be2 Qa5+ 28. Qd2 Qa1+ 29. Rc1 Qa4 30. Rg3
Bf5 31. Rc4 ({I had seen} 31. Ra3 {, but sought to repeat moves before the
first time control since I was in slight time trouble.}) 31... Qa1+ (31... Qe8
32. Ra3 a5 33. Qe3) 32. Rc1 Qa4 33. Ra3 Qe4 34. f3 Qb7 35. Bxa6 Qb8 36. Bd3 Be6
(36... Rd8 37. Qe3) 37. Be4 {White has complete domination. It is difficult to
parry the Ra8 threat.} b5 38. Qe3 Bh6 39. Kf2 b4 {Deciding to give up the
queen.} ({After} 39... Qd8 40. Ra8 Qd7 41. Bc6 Qc7 42. Ra7 Qd8 43. Kg3 $5 {
Black almost has no moves.}) 40. Ra8 Qxa8 (40... Qb5 {?} 41. Bc6) 41. Bxa8 Rxa8
42. Qd4 b3 {Despite the large material advantage, things are not so simple
because of White's damaged kingside pawn structure. Without rooks, for example,
it would be an almost impenetrable fortress. Therefore, I thought, I have to
exchange my rook for the bishop on e6 and take the b3-pawn.} 43. Rc6 Kf8 44.
Qb4 Re8 45. Rxe6 $5 {This should be enough for a win, but I should not hurry,
first improving the position by} (45. Kg3 {then h4 etc.}) 45... fxe6 46. Ke3
Kf7 47. h4 $2 {"Just in case" preventing g6-g5. But now this pawn becomes a
target for the rook.} ({The simple} 47. Qxb3 Rc8 48. Qd3 Rc1 49. b4 Rh1 50. Qc2
{should be winning.}) 47... Rc8 48. Qxb3 Rc1 49. h5 (49. Qb8 Re1+ 50. Kf2 Rh1
51. Qh8 Bxf4 52. Qxh7+ Kf8 53. Qh8+ Kf7 54. b4) 49... Re1+ $6 (49... Rh1 {
allowed him to hit the f4-pawn in time:} 50. hxg6+ hxg6 51. Qc4 Rh4 52. b4 g5
53. Ke2 Rxf4 54. Qb3 Bg7 55. b5 Bxe5 56. b6 Bb8 57. b7 Rh4 58. Qb5 Rh8 {
and Black should hold.}) 50. Kf2 Rh1 51. hxg6+ hxg6 52. Qb4 $2 {This finally
misses the win.} (52. Kg3 Rh5 (52... Rg1+ 53. Kh2 Rb1 54. Qb4) 53. Qe3 Rf5 (
53... g5 54. f5 {!} exf5 55. Qb3+ Kf8 56. Qe6) 54. Kg4 {and preventing ...g5
White simply pushes his b-pawn.}) 52... Rh4 53. Kg3 g5 54. Qb8 Rxf4 55. b4 Bg7
56. b5 Rf5 57. Kg2 Bxe5 58. Qc8 Bd6 59. b6 Rb5 60. b7 1/2-1/2