Создать аккаунт

Новый пользователь? Создайте свой аккаунт и вы сможете покупать продукты ChessBase, видеть ваши заказы, получать новости и участвовать в жизни сайта.

Корзина

0 позиций
на сумму 0

Главная страница Справка Коды ЭШД D00 - D99 D84

Коды ЭШД

D81 D82 D83

D84

D85 D86 D87

D84

Код энциклопедии шахматных дебютов (ЭШД)

Описание

RU: Защита Грюнфельда (4 Сf4): ...Сg7 5 e3 0-0 6 cxd5
EN: Grünfeld: 4 Bf4 Bg7 5 e3 0-0 6 cxd5

Ходы

1. d4 Кf6 2. c4 g6 3. Кc3 d5 4. Сf4 Сg7 5. e3 0-0 6. c:d5

Дебюты

Защита Грюнфельда

[Event "RUS-chT 20th"]
[Site "Loo"]
[Date "2013.04.08"]
[Round "2.3"]
[White "Levin, Evgeny A"]
[Black "Atalik, Suat"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2521"]
[BlackElo "2593"]
[Annotator "Atalik,S"]
[PlyCount "120"]
[EventDate "2013.04.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Sankt Petersburg Chigorin CC"]
[BlackTeam "Kazan"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "RUS"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O {The pawn sac.} 6. cxd5 Nxd5
7. Nxd5 Qxd5 8. Bxc7 Na6 {There is another sacrificial line.} (8... Bf5 9. Ne2
Rc8 (9... Na6 10. Nc3 Qc6 11. Bg3 Rfd8 12. Qb3 Rac8 $44) 10. Nc3 Qc6 11. Bg3
Na6 12. Be2 (12. a3 e5 $1 $132) 12... Qxg2 13. Bf3 Qh3 14. Bxb7 Nb4 15. Nd5
Nd3+ 16. Kd2 Nxb2 17. Qb3 Nc4+ 18. Ke1 Na5 19. Nxe7+ Kh8 20. Qb5 Nxb7 21. Qxb7
Re8 22. Nxf5 Qxf5 23. Kf1 Qh3+ 24. Kg1 Kg8 $44) (8... Nc6 9. Ne2 Bg4 (9... e5
$6 10. dxe5 Qb5 (10... Qxd1+ 11. Rxd1 Nxe5 12. Nd4 Nc6 13. Nxc6 bxc6 14. Rd2
Be6 (14... a5 $2 15. Bc4) 15. Ba6 $16) 11. f4 $1) 10. f3 (10. h3 Bxe2 11. Bxe2
Qxg2 12. Bf3 Qg5 13. h4 Qb5 14. Qb3 Qf5 15. Bg2 Qc8 16. Bg3 Bxd4 17. exd4 Nxd4
18. Qa4 Nc2+ 19. Ke2 Qe6+ 20. Qe4 Qa6+ 21. Qd3 Qe6+ 22. Qe4 Qa6+ 23. Kf3 Nxa1
24. Rxa1 $13) 10... Rac8 (10... Bxf3 11. gxf3 Qxf3 12. Rg1 Qxe3 13. Bf4 Qe4 14.
Bg2 Qf5 15. Bxc6 bxc6 16. Qd2 $13) 11. Nc3 Qe6 12. Bf4 Nxd4 13. fxg4 Rfd8 14.
Bd3 Nc6 15. Qb1 Ne5 16. Be2 Nc4 17. O-O Nd2 18. Qc2 Nxf1 19. Kxf1 Bxc3 20. bxc3
Qf6 21. g5 Qxc3 22. Qxc3 Rxc3 23. a4 $16) 9. Bxa6 bxa6 $5 {A sacrificial line
about which I have some doubts after this game.} (9... Qxg2 10. Qf3 Qxf3 11.
Nxf3 bxa6 12. Rc1 (12. Rg1 Be6 13. b3 Rfc8 14. Rc1 a5 15. Ke2 a4 16. bxa4 Bxa2
$132) (12. O-O Bb7 13. Nd2 (13. Ne5 Rac8 14. Rfc1 f6 15. Nd7 Rfe8 $40) 13...
Rfe8 $1 14. f4 f6 $132) (12. Ke2 $6 Bg4 $11 (12... a5 $5)) 12... f6 (12... a5
$5) 13. Rg1 Rf7 14. Ke2 Bd7 15. Rc3 e5 16. Bd6 Rd8 17. Bc5 Bb5+ 18. Kd2 a5 $13)
10. Nf3 Qb7 11. Bg3 Qxb2 12. O-O Be6 $5 {This makes more sens} ({than} 12...
Bf5 $6 13. Qb3 Qxb3 14. axb3 Rfc8 15. Rfc1 $16) 13. Qc1 $5 {A very logical
move on which I did not devote much time during my preparation.Later I have
learned that GM Bora Ivkov has played it before.White's idea is to post the
Queen on a3 where it exerts pressure on the Queens wing.} (13. Qa4 Rfc8 14.
Rfb1 Qe2 15. Re1 Qb5 16. Qa3 Bf8 $1 {The Bishop should always be ready to go
to this diagonal.} 17. e4 Bd7 $132) 13... Qb4 $1 (13... Qxc1 $5 14. Rfxc1 Rfc8
15. Bc7 Bf8 $1 $13 {and the pair of Bishops give Black compensation for the
bad pawn structure.}) (13... Qb7 $6 14. Qa3) 14. a3 Qa4 15. Qc5 $1 (15. Qc7 $5
Bf6 $5 {This time it is the right square.} 16. Rfb1 Rfc8 17. Qb7 Bf5 18. e4 Bd7
$132) 15... Bf6 (15... Rfe8 16. Rfc1 $16) 16. Rfc1 Rfc8 17. Qb4 $1 (17. Bc7 Bf5
) 17... Qb5 18. Bc7 (18. Rab1 Bf5) 18... Bd5 19. Rc5 Qd7 $6 {After this
Black's Queen is boxed and White gets the upper hand.} (19... Qd3 $142 20. Rxd5
Rxc7 $11 21. Rc5 $140 Rxc5 22. Qxc5 Rb8 $40) 20. Rac1 h5 (20... Bxf3 21. gxf3
e6 (21... h5 22. Kg2) 22. Bd6 $16) 21. Ne5 $2 ({Critical is} 21. Nd2 $142 $1 a5
(21... e5 $2 22. e4) (21... Bg5 22. Qa5 $1 e6 23. e4 $1 (23. Qxa6 Be7 24. R5c2
Bd8 25. Bxd8 Rxc2 26. Rxc2 Rxd8 27. f3 $16) 23... Bxd2 24. Qxd2 Bxe4 25. f3 Bb7
(25... Bd5 26. Be5) 26. Be5 Rxc5 27. Rxc5 $18) (21... h4 22. h3) 22. Qxa5 e6
23. Nc4 Be7 24. Ne5 Qe8 25. R5c3 $16) 21... Bxe5 $8 (21... Qe6 22. f4 $16 (22.
Nd3 g5 23. Qd2 $16)) 22. dxe5 Be6 $14 {The worst is over for Black.} 23. Qc3
$138 (23. Qd4 a5) 23... a5 $1 {Pawns are not important,Black's Rook should
also participate in the game.} (23... h4 $6 24. h3 g5 25. Qc2 $16) (23... Qa4
$5) 24. Qxa5 Qd3 (24... a6 $5) 25. Qb4 a5 $1 26. Qc3 $6 (26. Rxa5 Rab8 $1 (
26... Rxa5 $2 27. Qxa5 $18) 27. Qxb8 Rxb8 28. Bxb8 g5 $1 29. Rac5 Qe4 $44)
26... Qxc3 27. R1xc3 a4 $14 {White's advantage is insignificant.} 28. Kf1 Ra7
29. Bb6 (29. Ba5 Rxa5 30. Rxc8+ Bxc8 31. Rxc8+ Kg7 32. f4 Rb5 33. Ra8 Rb3 34.
Rxa4 Rxe3 35. Kf2 Rc3 $14) 29... Rxc5 30. Bxc5 (30. Rxc5 Rb7 31. Ba5 Rb5 $1 $11
) 30... Rc7 $1 $11 31. Ke2 f6 32. exf6 exf6 33. f3 Kf7 34. h4 Bc8 35. e4 Be6
36. Ke3 Bb3 37. Rc1 Ke6 38. Rc3 Rc8 39. Rc1 Kf7 40. Ke2 Ke6 41. Ke3 Rc7 42. Kf4
Kf7 43. g4 hxg4 44. fxg4 (44. Kxg4 {should not change the result.} Be6+ 45. Kg3
Rc8 46. f4 f5 $11) 44... Rc6 45. e5 {All the roads lead to Rome.} (45. g5 fxg5+
46. Kxg5 (46. hxg5 Ke6 47. Ke3 Rc8 $11) 46... Ke8 $11 (46... Ke6 47. Kxg6 Ke5+
48. Kg5 Kxe4 49. Re1+ Kd5 50. Bb4 Re6 $11)) 45... fxe5+ (45... g5+ $142 46.
hxg5 fxe5+ 47. Kxe5 Kg6 $11 {should have shortened the game.}) 46. Kxe5 Kg8 47.
Kd4 Rf6 48. Ke5 Re6+ 49. Kf4 Rc6 50. Kg5 Kh7 51. Rc3 Be6 52. Kf4 Bb3 53. Ke5
Re6+ 54. Kd4 g5 55. h5 (55. hxg5 Kg6 $11) 55... Bd1 56. Rg3 (56. Kd5 Bb3+ $1
$11) 56... Rf6 57. Ke5 Rf4 58. Be3 (58. Be7 $2 Kh6 {and it becomes Black who
starts licking his chops.}) 58... Rxg4 59. Rxg4 Bxg4 60. Bxg5 Bxh5 1/2-1/2

[Event "Marshall CC-ch23 1939/40"]
[Site "New York"]
[Date "1940.03.16"]
[Round "15"]
[White "Lasker, Edward"]
[Black "Fine, Reuben"]
[Result "0-1"]
[ECO "D84"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "1939.11.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 {1)Edward Lasker: Chess Secrets.London.1952. p.368 2) Woodger,Aidan:
Reuben Fine.Jefferson,NC.2004. p.228 3)Croxen,Kevin: The russsian Myth of
Lasker's Last tournament. in Quartely for Chess History 12/2004.Olomouc.p.7-15.
} Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7
Nc6 9. Ne2 Bg4 10. f3 Rac8 11. Nc3 Qe6 12. Bf4 Nxd4 13. fxg4 Rfd8 14. Be2 Nxe2
15. Qxe2 Rxc3 16. bxc3 Bxc3+ 17. Kf2 Rd2 18. Qxd2 Bxd2 19. Rhd1 Ba5 20. Kf3
Qc6+ 21. Kg3 Bb6 22. h3 Qe4 23. Kh2 Bxe3 24. Bxe3 Qxe3 25. Kh1 Qa3 26. Rd7 b5
27. Re1 Qxa2 28. Rexe7 a5 29. Rd8+ Kg7 30. g5 Qc4 31. Rdd7 a4 32. Rc7 Qf1+ 33.
Kh2 Qf4+ 34. Kg1 a3 0-1

[Event "ISR-ch"]
[Site "Tel Aviv"]
[Date "2002.11.30"]
[Round "6"]
[White "Golod, Vitali"]
[Black "Vydeslaver, Alik"]
[Result "1-0"]
[ECO "D84"]
[WhiteElo "2523"]
[BlackElo "2434"]
[Annotator "Golod,V"]
[PlyCount "53"]
[EventDate "2002.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "CBM 093"]
[Source "ChessBase"]
[SourceDate "2003.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2003.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O $5 ({It's main line.} 5... c5
) 6. cxd5 {It's most basic decision.} Nxd5 7. Nxd5 Qxd5 8. Bxc7 Bf5 {Pretty
rare move.} ({More popular:} 8... Nc6 $5) ({or} 8... Na6 $5) 9. Ne2 Na6 ({
It deserves attention:} 9... Rc8 10. Nc3 Qc6 {[%csl Rg2]} 11. Bf4 Na6 12. a3
Qb6 13. Qe2 Nc7 14. Bxc7 Qxc7 15. Qd2 e5 16. d5 e4 17. Rc1 Qa5 18. Be2 Bxc3 19.
bxc3 Qxa3 20. O-O Qc5 {1/2-1/2 Novikov,I-Epishin,V/New York,1991(20)}) 10. Nc3
Qc6 {[%csl Rg2] Another backtrack of queen are much worse.} 11. Bg3 ({Also was
met in four games:} 11. Ba5) 11... e5 $6 $146 ({It was checked in the previous
games:} 11... Nb4 12. Rc1 Rad8 (12... Rfd8 13. a3 Nd5 14. Be2 e5 15. O-O $14 {
Fedder,S-Jensen,A/Esbjerg,1972(1-0)(33)}) 13. a3 e5 14. axb4 exd4 15. Nb5 dxe3
16. Rxc6 exf2+ 17. Bxf2 (17. Kxf2 $5 Rxd1 18. Rd6) 17... Rxd1+ 18. Kxd1 bxc6
19. Nc3 Rd8+ $44 {Fedder,S-Kirilov,N/Graz,1972(1/2-1/2)(28)}) 12. d5 Qb6 13.
Qd2 ({Following complications are good for black:} 13. e4 $2 Qxb2 14. Qc1 Qxc1+
15. Rxc1 Bd7 16. Bxa6 bxa6 $13) 13... e4 $2 {[%cal Yg3b8] /^h2-b8 must not be
open.Now Pd6 is becoming very dangerous.} ({It was necessary:} 13... Nc5 {
[%csl Rd5][%cal Gc5e4]} 14. Be2 (14. f3 $6 e4 $36) (14. Bc4 $6 Qb4) 14... Rfd8
15. O-O Rd7 (15... Ne4 16. Nxe4 Bxe4 17. Bc4 Qc5 (17... Rac8 18. Rac1 $14) 18.
Bb3 (18. b3 $5) 18... Bxd5 $140 $6 19. Rac1 Qb5 20. Rfd1 {[%csl Rd8]} Bxb3 21.
Qxd8+ Rxd8 22. Rxd8+ Bf8 23. axb3 {+/=/+/-}) 16. Rad1 Rad8 17. f3 e4 18. Kh1
$14) 14. Be2 {For the start it was necessary to finish development.} Rfd8 15.
O-O Nb4 $6 {It was better to not try to win back the pawn:} (15... Nc5 $5) (
15... Nc7 $4 {is refuted by:} 16. Na4 {[%csl Rc7]}) 16. d6 $16 Bf8 17. Rfd1
Rac8 ({Loses right away:} 17... Bxd6 $4 18. Bxd6 Nd3 19. Be7 $1 $18) ({It is
hardly better:} 17... Nd3 18. Bxd3 exd3 19. e4 Be6 (19... Bg4 20. Nd5 Qd4 21.
Qxd3 (21. Qg5 $5 Bxd1 22. Be5 Qxe5 23. Qxe5 Bxd6 24. Nf6+ $18) 21... Qxb2 22.
f3 Be6 23. e5 $18) 20. Qxd3 Qxb2 21. e5 $18) 18. a3 Nd3 19. Bxd3 exd3 (19...
Bxd6 $4 20. Nd5 Qb3 (20... Qc6 21. Bb5 $18) 21. Bxe4 Bxe4 22. Bxd6 $18 {
[%cal Gd5f6,Gd5e7]}) 20. Nd5 $1 {This move is much better,than:} (20. e4 $143
Rxc3 $1 21. Qxc3 Bxe4 22. Re1 Bf5 $16 {[%csl Rd3,Yf5][%cal Yf5d3]}) 20... Qc6
$140 (20... Qc5 21. e4 Bxd6 22. Rac1 $1 $18 {[%csl Rc5]}) 21. e4 $1 $18 {
I saw all this while I was making my 18th move.} Bxe4 22. Nf6+ Kh8 (22... Kg7
$142 23. Rac1 Qa4 24. Be5 $1 $18 {[%csl Rg7]} (24. Rxc8 $143 Rxc8 25. Nxe4 Qxe4
26. d7 Rc2 {[%csl Rg1]} 27. Qf4 Qxf4 28. Bxf4 Be7 29. Rxd3 {+/-/+-})) 23. Rac1
Qa4 24. Rxc8 $1 {The most simple and in the same time the most correct
decision.} Rxc8 25. Nxe4 {This order of moves are more exact,than:} (25. d7 Rd8
26. Nxe4 Rxd7) 25... Qxe4 26. d7 Rd8 (26... Ra8 $144 27. Qxd3 Qxd3 28. Rxd3 Be7
29. Re3) 27. Qxd3 {In this hopeless position Alik Vydeslaver stopped to resist.
} (27. Qxd3 Qc6 (27... Qxd3 28. Rxd3 {[%cal Gg3c7]}) 28. Qc3+ Qxc3 29. bxc3 {
[%cal Gg3c7]} Bxa3 30. Bc7 Be7 31. Bxd8 Bxd8 32. Re1 {[%cal Ge1e8]}) 1-0

[Event "RUS-Cup03 Geller Memorial"]
[Site "Moscow"]
[Date "1999.02.09"]
[Round "8"]
[White "Zakharevich, Igor"]
[Black "Eljanov, Pavel"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2532"]
[BlackElo "2418"]
[Annotator "Hecht,H"]
[PlyCount "112"]
[EventDate "1999.02.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 070"]
[Source "ChessBase"]
[SourceDate "1999.06.08"]
[SourceVersion "1"]
[SourceVersionDate "1999.06.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Na6 9. Bxa6 bxa6 10. Nf3 Qb7 11. Bg3 Qxb2 12. O-O Be6 13. Qc1 Qb7 14. Qa3
Bd5 15. Rfb1 Qc6 16. Qxe7 Bxf3 17. gxf3 Qxf3 18. Qb7 Qg4 19. Qg2 Qf5 20. Rb7
Rac8 21. Rxa7 Rc2 22. Rxa6 h5 23. a4 Kh7 24. Rc6 Rxc6 25. Qxc6 g5 26. a5 h4 27.
Bd6 Rc8 28. Qg2 h3 29. Qf1 g4 30. a6 Ra8 31. Qb1 Qxb1+ 32. Rxb1 Rxa6 33. Bf4 f5
34. Kf1 Bf8 35. Rb7+ Kg6 36. Bg3 Bd6 37. f4 gxf3 38. Bxd6 Rxd6 39. Kf2 f4 40.
Kxf3 fxe3 41. Kxe3 {[#]} Ra6 42. Rb2 (42. Kf3 Ra2 43. Kg3 Rd2 44. Rd7 Rd3+ 45.
Kf4 Rd2 46. Rd6+ Kf7 47. Kg3 Rd3+ 48. Kg4 Ke7 49. Rd5 Ke6 50. Re5+ Kd6 51. Re4
Kd5 $11) 42... Kf5 43. Rf2+ Ke6 44. Ke4 Ra1 45. Rf3 Re1+ 46. Kd3 Rd1+ 47. Kc3
Ra1 48. Kc4 Rc1+ 49. Kd3 Rd1+ 50. Ke3 Ra1 51. Kf4 Rd1 52. Re3+ Kd5 53. Rxh3
Rxd4+ 54. Kf5 Rd2 55. Rh7 Rf2+ 56. Kg6 Ke6 1/2-1/2

[Event "Beersheba"]
[Site "Beersheba"]
[Date "1996.??.??"]
[Round "11"]
[White "Bykhovsky, Avigdor"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2405"]
[BlackElo "2495"]
[Annotator "Hecht,H"]
[PlyCount "116"]
[EventDate "1996.03.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "10"]
[SourceTitle "CBM 053"]
[Source "ChessBase"]
[SourceDate "1996.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.08.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Nc6 9. Ne2 Bg4 10. f3 Bxf3 11. gxf3 Qxf3 12. Rg1 Qxe3 13. Bf4 Qe4 14. Bg2
Qf5 15. Bxc6 bxc6 16. Rf1 Qe4 17. Qd2 Qd5 18. Bh6 Bxh6 19. Qxh6 Rab8 20. b3 c5
21. Rf4 f6 22. Kf2 Rf7 23. Rc1 e5 24. Rxc5 Qd6 25. Rf3 exd4 26. Qf4 Qxc5 27.
Qxb8+ Rf8 28. Qf4 d3+ 29. Qd4 Qh5 30. Rxd3 Qxh2+ 31. Ke1 Rf7 32. Re3 Qh1+ 33.
Kd2 Qc6 34. Rd3 Kg7 35. a4 Re7 36. Nf4 g5 37. Nd5 Rf7 38. Qg4 h6 39. Ne3 Qb6
40. Qe4 Qb7 41. Nf5+ Kh7 42. Rd5 Qxb3 43. Nd4+ f5 44. Nxf5 Qb2+ 45. Kd1 Qb3+
46. Ke2 Qb2+ 47. Rd2 Qb7 48. Qxb7 Rxb7 49. Rd6 h5 50. Ke3 Rb4 51. a5 Rb5 52.
Rh6+ Kg8 53. Rg6+ Kf7 54. Nd6+ Kxg6 55. Nxb5 {[#] S+B vs 2 verbundene
Freibauern. sK hдlt den a-Bauern, die verbundenen Frei-B den wK ==> einfaches
Remis} Kf5 56. Nxa7 Ke6 57. Nb5 Kd7 58. a6 Kc6 1/2-1/2

[Event "RUS-chT 05th"]
[Site "Maikop"]
[Date "1998.06.08"]
[Round "6"]
[White "Zakharevich, Igor"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2530"]
[BlackElo "2690"]
[Annotator "Hecht,H"]
[PlyCount "155"]
[EventDate "1998.06.03"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 066"]
[Source "ChessBase"]
[SourceDate "1998.09.30"]
[SourceVersion "1"]
[SourceVersionDate "1998.09.30"]
[SourceQuality "1"]
[WhiteTeam "Cherepovets Severstal"]
[BlackTeam "Sankt Petersburg"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "RUS"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Bf5 9. Ne2 Rc8 10. Nf4 Qd7 11. Ba5 e5 12. dxe5 Bxe5 13. Qxd7 Nxd7 14. Bd3
Bxb2 15. Rb1 Bxd3 16. Nxd3 Bc3+ 17. Bxc3 Rxc3 18. Rb3 Rc2 19. O-O b6 20. Nb4
Rc4 21. Nd5 Ra4 22. Nc3 Ra5 23. Rd1 Nc5 24. Rb2 Rc8 25. Kf1 Ne6 26. Nb5 Rc5 27.
Nd4 Rd5 28. Ke2 Nxd4+ 29. exd4 {[#] Beginn eines langen Doppelturmendspiels,
daЯ den Schwarzen durch die zahlreichen weiЯen Bauernschwдchen im Vorteil
sieht.} Kf8 30. Ke3 Ke7 31. Rd3 Ra4 32. a3 Rda5 33. Rbb3 Kd6 34. g4 Kd5 35. g5
Rc4 36. Rb1 Rc7 37. Kd2 Kd6 38. h4 Rf5 39. f3 Rf4 40. a4 Rxh4 41. a5 bxa5 42.
Ra1 Re7 43. Rxa5 Rh2+ 44. Kc3 Rc7+ 45. Kb3 Rb7+ 46. Kc3 Rc7+ 47. Kb3 Rb7+ 48.
Kc3 Rhb2 49. Ra3 R2b5 50. f4 a5 51. Re3 Rc7+ 52. Kd3 Ra7 53. Re1 Rf5 54. Rea1
Rxf4 55. Rxa5 Rxa5 56. Rxa5 {[#] Beginn des Turmendspiels nach Tausch des
Doppelturms.} Rg4 (56... h6 57. gxh6 Rh4 58. Ra6+ Ke7 59. Ra7+ Kf6 60. Ra6+ Kg5
61. Ra7 $11 f5 $6 62. h7 {[%cal Rd4d5,Rd5d6,Rd6d7]} Kf6 63. d5 (63. Kc4 $6 f4)
63... Ke5 64. Rg7 $11) 57. Kc4 Rg1 58. Ra6+ Ke7 59. Ra5 Ke6 60. Re5+ Kd6 61.
Ra5 Rh1 62. Ra6+ Ke7 63. d5 h5 (63... h6 64. Ra7+ Kf8 65. d6 Rd1 66. gxh6 Kg8
67. d7 Kh7 68. Kc5 $16) 64. Ra7+ Kd6 65. Rxf7 Rh4+ 66. Kd3 Kxd5 67. Rg7 Rd4+
68. Ke3 Re4+ 69. Kf3 Re6 {[#] Der schwarze gedeckte Freibauer wird durch die
aktive Turmstellung und den Umstand, daЯ der weiЯe Kцnig seinen Kollegen an
der Annдherung hindert, kompensiert. Schwarz besitzt keinerlei konstruktive
Gewinnansдtze.} 70. Kf4 Kd6 71. Ra7 Kc6 72. Rg7 Kd5 73. Rg8 Rd6 74. Rg7 Kd4 75.
Rg8 Kd3 76. Kf3 Kd2 77. Kf2 Re6 78. Rg7 1/2-1/2

[Event "Poikovsky Karpov 04th"]
[Site "Poikovsky"]
[Date "2003.04.22"]
[Round "3"]
[White "Lputian, Smbat G"]
[Black "Obodchuk, Andrei"]
[Result "1-0"]
[ECO "D84"]
[WhiteElo "2638"]
[BlackElo "2417"]
[Annotator "Krasenkow,M"]
[PlyCount "89"]
[EventDate "2003.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "16"]
[SourceTitle "CBM 095"]
[Source "ChessBase"]
[SourceDate "2003.07.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.07.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Na6 {An old line, well-forgotten by grandmasters.} 9. Bxa6 Qxg2 10. Qf3
Qxf3 11. Nxf3 bxa6 {Black recently avoids this endgame, due to White's strong
centre and better pawn structure. However, Black has a pair of bishops. His
only problem is to make a clever use of them. In fact, Black has a lot of ways
to create sufficient counterplay.} 12. Rg1 {Other options:} (12. Ke2 $6 Bg4 {
[%cal Gg4e2]} (12... a5 13. Rhc1 a4 14. Ne1 Bd7 15. Nd3 Rfc8 16. Rc3 $14 {
1/2-1/2 Zakharevich,I-Balashov,Y/St Petersburg 2000/CBM 76 (26)}) 13. Rhg1 Bh5
14. Rac1 Rac8 15. Rc3 Rfe8 16. Rg3 e5 17. dxe5 f6 18. Kf1 fxe5 19. e4 Bh6 $132
{0-1 Garcia,G-Barreras,A/Cienfuegos 1976/EXT 2000 (74)}) (12. O-O $6 {Removing
the king from the centre.} f6 (12... Bb7 13. Ne5 (13. Nd2 Rfe8 14. f4 f6 15.
Nf3 Bf8 16. Rac1 Rac8 17. Kf2 Bd5 18. a3 e6 19. Rc3 {1/2-1/2 Stahlberg,
G-O'Kelly de Galway,A/Zevenaar 1961/MCD (19)}) 13... Rac8 (13... f6 $143 14.
Nd3 Rfe8 15. Nc5 Bf3 16. Nb3 Kf7 17. Rfc1 Rac8 18. Kf1 e5 19. Nd2 $1 $14 {
1/2-1/2 Flohr,S-Botvinnik,M/Holland 1938/HCL (42)}) 14. Rfc1 f6 15. Nd7 Rfe8
16. Bg3 e5 17. Nc5 Bf3 18. Rc3 a5 19. dxe5 fxe5 20. e4 Bg4 {1/2-1/2 Evans,
L-Gligoric,S/Amsterdam 1964/IZT (44)}) 13. Rac1 Bb7 14. Nd2 e5 15. Nb3 Rf7 16.
Rc3 exd4 17. Nxd4 f5 $15 {0-1 Karaklajic,N-Gligoric,S/Belgrade 1962/MCD (118)})
(12. Rc1 {The main course.} Bg4 $5 {Or else:} (12... f6 13. Rc5 (13. Rg1 Bd7
14. Kd2 Rfc8 15. Rc3 Bf8 16. a3 Kf7 17. Rgc1 e6 18. Ke1 Be7 19. Nd2 Ke8 20. Ne4
$14 {1/2-1/2 Trifunovic,P-Najdorf,M/Opatija 1949/MCL (29)}) 13... Rf7 (13...
Kf7 14. O-O Bb7 15. Nd2 Rfc8 16. Rfc1 $14 {1/2-1/2 Bagheri,A-Ghaem Maghami,E/
IRI 2000/EXT 2003 (23)}) 14. O-O Bb7 (14... e5 $5 15. d5 $13 {Khenkin,I}) 15.
Nd2 Bf8 16. Rc2 Re8 17. Bg3 $1 e5 18. dxe5 fxe5 19. Nc4 Rf5 20. Rd1 $14 {
Yakovich,Y-Khenkin,I/Primorsko 1988/Inf 46 (20)}) (12... Bb7 13. Ke2 f6 (13...
Rac8 14. Rhd1 Rfe8 15. Rc5 Bf8 16. Rc3 Bd5 17. a3 e6 18. Rdc1 f6 19. Ne1 $14 {
1/2-1/2 Kieninger,G-Pilnik,H/Beverwijk 1951/EXT 2002 (67)}) (13... a5 14. Rhd1
(14. Rhg1 a4 15. Rc5 Rfc8 16. Rgc1 e6 17. Bd6 Rd8 18. Bc7 Rd5 19. Ne5 {1/2-1/2
Turov,M-Ftacnik,L/Pardubice 1998/EXT 99 (19)}) (14. Bxa5 Ba6+ 15. Kd2 Bb7 16.
Ke2 Ba6+ 17. Kd2 Bb7 {1/2-1/2 Barcza,G-Szabo,L/Prague 1954/EXT 98 (17)}) 14...
Bd5 15. a3 a4 16. Rc5 Be6 17. Ne1 Rfc8 18. Rdc1 a6 19. Nd3 $14 {1-0 Volzhin,
A-Ancheyta Tejas,V/Merida 2000/CBM 79 ext (29)}) (13... e5 $6 14. Bxe5 Bxe5 15.
dxe5 Rae8 16. Rc5 Re7 17. Rd1 $16 {1-0 Yakovich,Y-Yandemirov,V/Voronezh 1988/
EXT 99 (33)}) 14. Rc5 (14. Rhd1 e5 15. Ba5 Rf7 16. b3 Re8 17. Rd2 e4 18. Ne1 f5
$132 {0-1 Pleci,I-Rossetto,C/Buenos Aires 1953/EXT 99 (49)}) 14... e6 15. Rhc1
Rf7 (15... Rfe8 16. Bg3 (16. Bd6 $1 Bf8 17. Bxf8 Kxf8 18. Ne1 $14 {Timman})
16... Bf8 17. Rc7 Bd5 18. Nd2 e5 19. dxe5 fxe5 20. Nc4 e4 $11 {1/2-1/2
Hjartarson,J-Timman,J/Tilburg 1988/CBM 09 (38)}) 16. Bg3 Bd5 17. Nd2 Bf8 18.
Rc8 Rxc8 19. Rxc8 Kg7 20. a3 Be7 21. Nc4 g5 22. Kd3 Bb7 23. Rc7 Bg2 24. Kc3 h5
$132 {1/2-1/2 Zakharevich,I-Driamin,D/Novgorod 1999/CBM 69 ext (28)}) (12... a5
13. Rg1 (13. Rc5 Bb7 14. Ke2 Ba6+ 15. Kd2 Bb7 16. Ke2 Ba6+ 17. Kd2 Bb7 18. Ke2
{1/2-1/2 Nedeljkovic,S-Milic,B/Belgrade 1952/EXT 2000 (18)}) (13. O-O a4 14.
Rc5 a6 15. Rfc1 Be6 16. Nd2 Ra7 17. b3 axb3 18. axb3 Rc8 19. Bb6 Raa8 $11 {
1-0 Levitt,J-Westerinen,H/London 1988/EXT 98 (62)}) 13... a4 14. Ke2 (14. Kd2
Bb7 15. Ne1 Bd5 (15... f6 $1 {-14.Ke2}) 16. a3 Rfc8 17. Nd3 Bf8 18. Rc3 $14 {
1-0 Ivkov,B-Milev,Z/Havana 1962/MCD (31)}) (14. Rg5 Bf5 15. Ke2 Rfc8 16. Rgg1
a6 17. Nd2 Ra7 18. Ba5 Rb7 19. Rxc8+ Bxc8 20. Bc3 Be6 $11 {1-0 Gligoric,
S-Flores Alvarez,R/Mar del Plata 1955/MCD (30)}) 14... Ba6+ 15. Kd2 Bb7 16. Ne1
f6 $5 17. Nd3 e5 18. Rc4 exd4 19. Rxd4 Bc6 20. Rc1 Bb5 21. Nc5 Rf7 22. Nxa4 f5
23. Rb4 Rd7+ 24. Ke1 Bxa4 25. Rxa4 Rc8 26. Rac4 Bxb2 $11 {1/2-1/2
Grechkin-Geller,A/corr 1972/Inf 14 (40)}) (12... Be6 13. b3 Rfc8 (13... Bd5 14.
Ke2 Rfc8 15. Rc3 e6 16. Rhc1 Bf8 17. Be5 (17. Bg3 $5 {Levitt,J}) 17... Rxc3 18.
Rxc3 Be7 19. Nd2 f6 20. Bg3 Bd8 $13 {1/2-1/2 Levitt,J-Hort,V/Germany 1988/
GER-chT (57)}) 14. Kd2 Bd5 15. Ke2 Bf8 16. Rhd1 e6 17. Rd2 Ba3 18. Rcc2 {
1/2-1/2 Nei,I-Stein,L/Leningrad 1962/MCD (18)}) 13. Nd2 (13. Ne5 Bxe5 14. Bxe5
Rfd8 15. Rg1 Bf3 16. Bc7 Rd7 17. Rg5 Bd5 18. Rc3 f6 19. Rg3 Bxa2 20. f3 Rc8 {
1/2-1/2 Kaunas,K-Roos,D/Strasbourg 1991/EXT 97 (20)}) 13... Rac8 (13... Rfc8
14. O-O Bd7 15. Rc3 f5 16. Rfc1 $14 {[%csl Ra8] 1-0 Najdorf,M-Lilienthal,A/
Budapest 1950/Candidates (41)}) 14. f3 Be6 (14... Bd7 15. Kf2 g5 16. Rc5 f5 17.
Rhc1 Rf6 18. Nb3 Rh6 19. Kg2 Kf7 $132 {1/2-1/2 Levitt,J-Roos,D/Germany 1992/
GER-chT2 (62)}) 15. b3 f5 16. Ke2 g5 17. Rhg1 h6 18. f4 g4 19. Rc5 h5 $36 {
1/2-1/2 Meins,G-Roos,D/Germany 1997/GER-chT (41)}) 12... Bb7 (12... Be6 13. Kd2
Bd5 (13... f6 14. Rgc1 Bd5 15. Ne1 e5 $6 (15... Rac8) 16. Rc5 Bb7 17. d5 $14 {
1-0 Littlewood,P-Pein,M/London 1985/EXT 2002 (31)}) 14. Ne5 Bxe5 15. Bxe5 {
1/2-1/2 Shereshevski,M-Basin,L/Minsk 1988/EXT 98 (15)}) (12... f6 $5 13. Ke2
Rf7 14. Rac1 e6 15. Bd6 a5 16. Rc3 Ba6+ 17. Kd2 Rd7 18. Bc5 a4 19. Rgc1 Rd5 20.
e4 Rh5 $132 {0-1 Petiko,N-Enders,P/Bad Zwesten 1999/CBM 68 ext (27)}) 13. Ke2
Rfc8 $2 {[%mdl 32] A typical mistake. The a8 rook is now out of play.} (13...
Rfe8 $6 14. Rac1 Bxf3+ 15. Kxf3 e5 16. d5 e4+ 17. Kg2 Re7 18. b3 Rd7 19. Rgd1
Rc8 20. d6 $16 {1-0 Rabar,B-Toran Albero,R/Munich 1954/EXT 99 (36)}) (13...
Rac8 14. Rac1 (14. Rgc1 f6 15. Rc3 e5 16. Rac1 Rf7 17. Ba5 Re8 18. dxe5 fxe5
19. Ng5 Rf5 20. Rc7 Bg2 21. Rc8 Ref8 22. Rxf8+ Bxf8 23. Ne6 Bf3+ 24. Ke1 Bd6 {
1/2-1/2 Sargissian,G-Moor,R/Istanbul TUR 2003/The Week in Chess (47)}) 14...
Rfe8 15. Rc3 (15. Rc5 Bf8 16. Rc3 e6 17. a3 f6 18. Rgc1 Kf7 19. Ne1 Ke7 20. Bg3
Rxc3 21. Rxc3 Rc8 22. Rxc8 Bxc8 23. Bb8 Kd7 24. Bxa7 $14 {1/2-1/2 Novikov,
I-Kriventsov,S/Mashantucket 1999/EXT 2000 (66)}) 15... f5 $6 16. Rgc1 Bf6 17.
Ne1 Kf7 18. Nd3 g5 19. Be5 Rxc3 20. bxc3 Be4 21. Bxf6 Kxf6 22. f3 Bxd3+ 23.
Kxd3 $16 {1-0 Novikov,I-Raddatz,M/Hamburg 1999/EXT 2001 (41)}) (13... f6 14.
Rgd1 (14. Rac1 Rf7 (14... e5 15. dxe5 fxe5 16. Nxe5 Rf5 17. f4 Rh5 18. Ng4 Bc8
19. Be5 Bxg4+ 20. Rxg4 Bxe5 21. fxe5 Rxh2+ 22. Kf3 Re8 23. Rc7 Rxe5 24. Rb4 Rb5
25. Rd4 Rf5+ {1/2-1/2 Flear,G-Illescas Cordoba,M/Vila Real 2001/EXT 2003 (25)})
15. Ba5 e6 16. Rc3 (16. Bb4 Rb8 17. Ba3 Bd5 18. b3 a5 19. Nd2 a4 20. bxa4 e5
21. dxe5 fxe5 22. f3 Bxa2 $11 {1/2-1/2 Lengyel,L-Gligoric,S/Enschede 1963/EXT
2001 (40)}) 16... Bf8 17. Rgc1 Bd6 18. Bc7 Bf8 19. Nd2 Rd7 20. Nb3 Bd5 21. Bg3
Rb7 22. Kd3 Rd8 23. Rc7 Rb5 24. Rxa7 Bxb3 25. axb3 Rxb3+ 26. Kc2 Rb6 $11 {
1/2-1/2 O'Kelly de Galway,A-Maric,R/Bordeaux 1964/EXT 99 (42)}) 14... Rac8 (
14... e6 15. Rac1 Rf7 16. Rc3 Bf8 17. a3 Rd7 18. Rdc1 Rc8 19. Ne1 g5 20. Nd3 g4
21. Bg3 Bf3+ 22. Kd2 Rcd8 23. Rc8 e5 24. Rxd8 Rxd8 25. Rc4 exd4 26. exd4 h5
$132 {1-0 Leitao,R-Atalik,S/Groningen 1996/EXT 98 (35)}) 15. Rac1 Bd5 16. b3
Rfe8 (16... e6 17. Ne1 Rf7 18. Ba5 Rb8 19. Rd2 Bf8 20. Nd3 Rb5 21. b4 Rb8 22.
a3 Bd6 23. h3 g5 $132 {1/2-1/2 Chekhov,V-Seger,R/Dresden 1997/EXT 98 (37)}) 17.
Nd2 Bf8 18. Kd3 e6 19. Ne4 Kf7 20. Nd6+ Bxd6 21. Bxd6 Bf3 22. Re1 Bc6 23. e4
Red8 24. Bb4 Rd7 25. f3 a5 $1 26. Ba3 Bb5+ 27. Ke3 Rcd8 28. Rc5 a6 $11 {
1/2-1/2 Stahlberg,G-Donner,J/Munich 1958/MCD (44)}) 14. Rac1 f6 15. Rgd1 {
White's plan is doubling rooks along the c-file in the shadow of the c7 bishop
(a typical and remarkable positional idea!). That will tie the black rook to
the c8 square (otherwise an invasion to c7 will follow). However, first he
threatens d4-d5 in order to lure the black bishop to d5.} (15. Rc3 Kf7 16. Rgc1
Ke8 17. Nd2 a5 18. a4 e6 19. Nb3 Bf8 20. Nxa5 Ba6+ 21. Kd1 Bb4 22. Rc6 Kd7 23.
Rxa6 Rxc7 24. Rxc7+ Kxc7 25. Nc4 {1-0 Stahlberg,G-Conrady,A/Tel Aviv 1964/EXT
99 (25).}) 15... Bd5 16. a3 Kf7 17. Nd2 Ke8 18. Rc5 e6 19. Rdc1 Bf8 20. R5c3
Kd7 21. Kd3 {Black has brough his king to the centre but his rooks are
paralysed. It is important that even after the removal of White's bishop from
c7 black can't simplify the game as ...Rxc3 will be met with bc! creating an
overwhelming pawn advantage in the centre.} Bh6 {Black tries to prevent f3 and
e4.} 22. R1c2 f5 23. f3 Bg5 24. Rc1 {White needn't hurry!} Bh6 25. h3 Bg5 26.
R1c2 Bh6 27. Be5 Bc6 28. Ke2 {[%cal Yd2b3]} Bb5+ 29. Kf2 Rxc3 {Forced.} 30.
bxc3 {A good example of a temporary advantage (the better position of the
rooks) transformed into a permanent plus (pawn structure).} Bf8 31. c4 Bc6 32.
c5 Be7 33. Nc4 g5 34. Rb2 g4 {A desperate attempt to create counterplay.} 35.
fxg4 fxg4 36. hxg4 Bh4+ 37. Ke2 Rg8 38. Bf4 Bb5 39. Kd3 e5 (39... Rxg4 40. Rxb5
$18) 40. Bxe5 Rxg4 41. a4 Bc6 42. Bf4 Bf6 43. Rh2 Bxa4 44. Rxh7+ Ke6 45. Rh6
1-0

[Event "Pamplona"]
[Site "Pamplona"]
[Date "2003.12.20"]
[Round "1"]
[White "Pelletier, Yannick"]
[Black "Illescas Cordoba, Miguel"]
[Result "0-1"]
[ECO "D84"]
[WhiteElo "2604"]
[BlackElo "2602"]
[Annotator "Krasenkow,M"]
[PlyCount "94"]
[EventDate "2003.12.20"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[EventCategory "15"]
[SourceTitle "CBM 099"]
[Source "ChessBase"]
[SourceDate "2004.03.30"]
[SourceVersion "1"]
[SourceVersionDate "2004.03.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 {About this line - see
annotations to Lputian-Obodchuk in CBM95.} 12. Rc1 f6 13. Ke2 $4 $146 {[%mdl
16384] This move leads to a deadly pin.} (13. Rg1 $142) 13... Bg4 14. Rc4 Rac8
15. d5 f5 16. b3 e5 $1 17. dxe6 Rfe8 18. Rg1 {An unsuccessful attempt to get
rid of the pin.} (18. h3 $142 Bh5 19. Rd1 Rxe6 20. Rd7 $132 {Still, Black
should win:} Re4 21. Be5 Rcxc4 22. Rxg7+ Kf8 23. bxc4 Rxe5 24. Rd7 Rc5 25. Rd4
Ke7 {then Re5-e4 etc.}) 18... Rxe6 19. Rg3 $6 (19. h3 Bh5 20. Rd1) {[%tqu "En",
"How does Black refute White's plan?","","","e6e4","",10]} 19... Re4 $1 $19 20.
Bd6 {Alas, White must give up a pawn, after which Black easily wins.} (20. Rc1
Bxf3+ 21. Kxf3 Be5 $19) 20... Rexc4 21. bxc4 Rxc4 22. Kd3 {At last the pin is
gone. But at what cost!} Ra4 23. Nd2 (23. a3 Bf8) 23... Rxa2 {The rest is easy.
} 24. f3 Bh5 25. Rg1 Ra1 26. Rxa1 Bxa1 27. Bc5 g5 28. f4 gxf4 29. exf4 Bd1 30.
Bxa7 Kf7 31. Nc4 Ke6 32. Bb6 Bb3 33. Na5 Bd5 34. Bc7 Bf6 35. Bb6 Be7 36. Be3
Bd8 37. Bd2 Bb6 38. Be1 Bg1 39. h3 Bb6 40. Bc3 Bg2 41. h4 Bd5 42. h5 Bc5 43.
Bd2 Kd7 44. Bc3 Bb6 45. Bb4 Bf7 46. h6 Bd5 47. Bc3 Ke6 {[%cal Ye6f7,Yf7g6]} 0-1

[Event "Morelia/Linares 23rd"]
[Site "Morelia/Linares"]
[Date "2006.02.20"]
[Round "3"]
[White "Radjabov, Teimour"]
[Black "Ivanchuk, Vassily"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2700"]
[BlackElo "2729"]
[Annotator "Krasenkow,M"]
[PlyCount "45"]
[EventDate "2006.02.18"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "ESP"]
[EventCategory "20"]
[SourceTitle "CBM 112"]
[Source "ChessBase"]
[SourceDate "2006.06.07"]
[SourceVersion "1"]
[SourceVersionDate "2006.06.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 {This line was examined in
CBM 95, annotations to Lputian-Obodchuk.} 12. Rg1 f6 {[%mdl 4] A useful move.
Black controls the dark squares, prepares ...Rf8-f7 and ...e7-e6 to activate
the rook and (in future) ...g6-g5. At the same time the position of the c8
bishop is yet to be chosen.} 13. Rc1 (13. Ke2 Bb7 14. Rgd1 e6 15. Rac1 Rf7 16.
Rc3 Bf8 17. a3 Rd7 18. Rdc1 Rc8 19. Ne1 g5 $132 {1-0 Leitao,R-Atalik,S/
Groningen 1996/EXT 98 (34)}) 13... Rf7 (13... Bb7 {is less flexible but also
possible:} 14. Ke2 Rf7 (14... e5 15. dxe5 fxe5 16. Nxe5 Rf5 17. f4 Rh5 18. Ng4
Bc8 19. Be5 Bxg4+ 20. Rxg4 Bxe5 21. fxe5 Rxh2+ 22. Kf3 Re8 23. Rc7 Rxe5 24. Rb4
Rb5 25. Rd4 Rf5+ {1/2-1/2 Flear,G-Illescas Cordoba,M/Vila Real 2001/EXT 2003})
(14... Rac8 15. Rc5 e5 16. Rgc1 exd4 17. Nxd4 Rfe8 18. Bg3 f5 19. Rxc8 Rxc8 20.
Rxc8+ Bxc8 21. Kd3 Bxd4 22. Kxd4 Be6 23. a3 a5 24. Bb8 a6 25. Kc5 a4 26. Kb4
Bd7 27. Ka5 Bb5 28. Be5 {1/2-1/2 Iotov,V-Meszaros,M/Urgup 2004/EXT 2005}) 15.
Ba5 (15. Rc5 e6 16. Rgc1 Bf8 17. R5c3 Re8 18. Bg3 a5 19. Rc7 a4 20. a3 Rxc7 21.
Rxc7 Re7 22. Nd2 Ba6+ 23. Kd1 Rxc7 24. Bxc7 Bd3 {1/2-1/2 Erdos,V-Fogarasi,T/
Budapest 2005/CBM 104 ext (31)}) 15... e6 16. Rc3 (16. Bb4 Rb8 17. Ba3 Bd5 18.
b3 a5 19. Nd2 a4 20. bxa4 e5 21. dxe5 fxe5 22. f3 Bxa2 23. Rc2 Be6 24. Rgc1 g5
$132 {1/2-1/2 Lengyel,L-Gligoric,S/Enschede 1963/EXT 2001 (40)}) 16... Bf8 17.
Rgc1 Bd6 18. Bc7 Bf8 19. Nd2 Rd7 20. Nb3 Bd5 21. Bg3 Rb7 22. Kd3 Rd8 23. Rc7
Rb5 24. Rxa7 Bxb3 25. axb3 Rxb3+ 26. Kc2 Rb6 $11 {1/2-1/2 O'Kelly de Galway,
A-Maric,R/Bordeaux 1964/EXT 99 (42)}) ({Or} 13... Bd7 14. Kd2 Rfc8 15. Rc3 Bf8
16. a3 Kf7 17. Rgc1 e6 18. Ke1 Be7 19. Nd2 Ke8 20. Ne4 Bb5 21. Bd6 Rxc3 22.
Rxc3 f5 23. Bxe7 fxe4 24. Rc7 a5 25. Bc5 Bd7 26. Kd2 a4 27. Rxa7 Rxa7 28. Bxa7
Bc6 29. Kc3 Bd5 {1/2-1/2 Trifunovic,P-Najdorf,M/Opatija 1949/MCL}) {However,
the text move is the most accurate.} 14. Ke2 (14. Kd2 Bb7 $1 {and White must
apparently play} 15. Ke2) 14... Bd7 $1 {And now this move, bothering White
with a possible ...Bb5+!, is the most appropriate.} (14... e6 15. Bd6 a5 16.
Rc3 Ba6+ 17. Kd2 Rd7 18. Bc5 a4 19. Rgc1 Rd5 20. e4 Rh5 21. Re1 Bb5 22. Kc2 a6
23. Bd6 Rd8 24. Bg3 g5 25. Rd1 Bf8 26. a3 Rd7 27. Rc8 Be2 {0-1 Petiko,N-Enders,
P/Bad Zwesten 1999/CBM 068 ext}) 15. Nd2 {A completely harmless reply but after
} (15. Rc3 e5 $1 16. d5 Bb5+ 17. Kd2 Bf8 {a tempo gained by Black proves
crucial, e.g.} 18. a3 Rc8 19. Rgc1 Rd7 20. e4 $4 Bh6+) 15... e5 16. d5 Bb5+ 17.
Kf3 f5 18. b3 e4+ 19. Kg2 Bb2 (19... Rd7 20. d6 Bf8 21. a4 Bxd6 (21... Bd3 22.
Rc6) 22. Bxd6 Rxd6 23. axb5 Rxd2 24. bxa6 $11) 20. Rc2 Bd3 21. Rc6 Bb5 22. Rc2
Bd3 23. Rc6 1/2-1/2

[Event "Karsten Kold op"]
[Site "Gistrup"]
[Date "1997.07.12"]
[Round "9"]
[White "Volzhin, Alexander"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2495"]
[BlackElo "2535"]
[Annotator "Mikhalevski,V"]
[PlyCount "51"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 061"]
[Source "ChessBase"]
[SourceDate "1997.11.23"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Nc6 9. Ne2 Bg4 10. f3 Rac8 11. Nc3 Qe6 12. Bf4 Nxd4 13. fxg4 Rfd8 14. Bd3
Nc6 15. Qb1 Nb4 $6 $146 (15... Ne5 16. Be2 Nc4 17. Bxc4 Qxc4 18. Qc2 g5 19.
Bxg5 b5 20. Qb3 Qxg4 21. O-O Qxg5 22. Rxf7 Qxe3+ 23. Kh1 Kh8 24. Raf1 a6 25.
R7f3 Qd4 26. a3 Qc4 27. Qc2 a5 28. Rf4 Rd4 29. Rf7 b4 30. R1f3 bxc3 31. Rh3 Re4
32. Qd1 Qxf7 {0-1 Santa Torres,L-Vilela,J/Sagua la Grande 1989}) 16. Be2 $1 (
16. Be4 Qc4 $1 17. a3 $140 Na6) 16... Rxc3 $1 {.The only try to continue the
game.} 17. bxc3 Bxc3+ 18. Kf2 Rd2 19. Rd1 $1 Nd3+ $1 {} (19... Rb2 20. Bh6 $1
Qf6+ $8 21. Qf5 $3 $18) 20. Kf1 $8 (20. Qxd3 $2 Rxd3 21. Bxd3 Bxa1 22. Rxa1 Qf6
$1 {/\g5}) (20. Kf3 $2 Nxf4 21. Rxd2 Bxd2 22. Qb3 Qf6 $1 $19) 20... Nxf4 $1 {}
(20... Rxd1+ $2 21. Qxd1 $18 (21. Bxd1 $2 Nxf4 22. exf4 Qf6)) 21. Rxd2 Qxe3 22.
Rd8+ (22. Rc2 $2 Bd4) 22... Kg7 23. Qd1 $2 (23. Bc4 $1 Nh3 $1 {} (23... Ba5 $2
24. Qb2+) (23... b5 24. Bxb5 Qe5 25. Rd1 Nd5 26. Rxd5 $1 Qxd5 27. a4 $1 $18) (
23... Qe5 24. Rd1 $1 Qf6 25. Kg1 $1 (25. g5 $2 Qc6 $1) 25... Bd4+ 26. Kh1 Nh3
$1 27. Rf1 Nf2+ 28. Rxf2 Qxf2 29. Qf1 $18) 24. gxh3 Qxh3+ (24... Qf3+ 25. Kg1
Qe3+ 26. Kg2 $18) 25. Ke2 $1 Qxh2+ (25... Qxg4+ 26. Kd3 Bf6 (26... Qf3+ 27. Kc2
Bf6 28. Qe1 $1) 27. Qf1 $1) (25... Qg2+ 26. Kd1 (26. Kd3 $4 Qd2+ 27. Ke4 Qxd8)
26... Qxg4+ 27. Be2 Qa4+ 28. Qb3 $1 $18) 26. Kd1 $1 (26. Kf3 Qh3+ 27. Ke4 Qg2+
28. Ke3 Qg3+ 29. Ke2 Qxg4+ 30. Kd3 Bf6 $3 $44) 26... Qc7 (26... Qe5 27. Bxf7 $1
) 27. Qd3 $1 Bxa1 28. Rd7 $16 {/+-}) 23... Nxe2 24. Qxe2 $6 (24. Rd3 $1 Qg1+ $1
(24... Qe5 $14) 25. Kxe2 Qxg2+ 26. Ke3 Qh3+ 27. Ke4 f5+ $3 (27... Qg2+ 28. Rf3
Qxg4+ 29. Ke3 Qe6+ 30. Kf2 Qb6+ 31. Kf1 Bxa1 32. Qxa1+ f6 $16) 28. Kd5 (28.
gxf5 Qxf5+ 29. Ke3 Qe5+ 30. Kf3 Bxa1 $17) 28... Qg2+ 29. Kc4 (29. Rf3 $5 fxg4
30. Kc4 $1 Be5 $3 $44) (29. Ke6 $4 Qc6+ $19) 29... Qc6+ 30. Kb3 Bf6 $3 31. Rb1
Qb5+ 32. Kc2 (32. Ka3 Qa6+ $1) 32... Qc6+ $1 33. Kd2 (33. Kb3 Qb5+) 33... Bg5+
34. Ke1 (34. Re3 Qd5+ 35. Kc2 Qxd1+ 36. Kxd1 Bxe3 $15) 34... Bh4+ (34... Qh1+
$5 $11) 35. Kd2 (35. Rg3 $2 Qh1+ $19) 35... Bg5+ $11) 24... Qf4+ $1 25. Qf3
Qc4+ $1 26. Qd3 $11 1/2-1/2

[Event "EU-ch 5th"]
[Site "Antalya"]
[Date "2004.05.20"]
[Round "5"]
[White "Chatalbashev, Boris"]
[Black "Kristjansson, Stefan"]
[Result "1-0"]
[ECO "D84"]
[WhiteElo "2543"]
[BlackElo "2404"]
[Annotator "Mueller,Karsten"]
[PlyCount "199"]
[EventDate "2004.05.15"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "TUR"]
[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. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Na6 9. Bxa6 bxa6 10. Nf3 Qb7 11. Bf4 Qxb2 12. O-O Be6 13. Qc1 Qxc1 14.
Rfxc1 Rac8 15. Bc7 Bd5 16. Rc5 Rfe8 17. Rxd5 Rxc7 18. Ra5 Rb8 19. Rxa6 Rb2 20.
Rf1 e6 21. g4 Kf8 22. Kg2 Ke8 23. Kg3 Kd8 24. Ng5 h6 25. Ne4 Bf8 26. Rd1 Rb5
27. Rd3 Be7 28. Nc3 Rb6 29. Rxb6 axb6 30. d5 Rd7 31. e4 Bf6 32. Nb5 g5 33. f4
gxf4+ 34. Kxf4 Bb2 35. Rb3 Ba1 36. Rb1 Bg7 37. d6 f6 38. Rc1 Bf8 39. e5 Bg7 40.
exf6 Bxf6 41. Re1 Bg5+ 42. Ke5 Rg7 43. Kxe6 Bh4 44. Rf1 Rg6+ 45. Kd5 Rxg4 46.
Nd4 Rg5+ 47. Kc6 Rc5+ 48. Kxb6 Rc3 49. Rf3 Rc1 50. Nb5 Kd7 51. Rf7+ Ke6 52. Rh7
Bg5 53. a4 Ra1 54. a5 Bd8+ 55. Kc6 Rc1+ 56. Kb7 Bxa5 57. Rxh6+ Kd7 58. Rh7+ Ke6
59. Re7+ Kf6 60. Re2 Kf7 61. Nc7 Rd1 62. Kc6 Bb4 63. Nd5 Rc1+ 64. Kd7 Bc5 65.
Re7+ Kg6 66. Nf4+ Kf5 67. Rf7+ Ke4 68. Ne2 Ra1 69. Kc6 Bxd6 70. Kxd6 Ra6+ 71.
Kc5 Ke5 72. Ng3 Ra2 73. Rf5+ Ke6 74. Rh5 Kf6 75. Kd4 Kg6 76. Rh8 Kg7 77. Rh3
Kg6 78. Ne4 Kf5 79. Rf3+ Kg4 80. Rf2 Ra4+ 81. Ke3 Ra3+ 82. Ke2 Ra4 83. Nd2 Kh3
84. Nf1 Ra2+ 85. Kf3 Ra8 86. Ke4 Re8+ 87. Kd3 Rd8+ 88. Ke2 Re8+ 89. Ne3 Ra8 90.
Kd3 Rd8+ 91. Ke4 Re8+ 92. Kf4 Rf8+ 93. Nf5 Ra8 94. Rd2 Ra1 95. Ne3 Rh1 $2 {
makes things easy for White. macht es WeiЯ leicht} (95... Ra4+ {was more
stubborn, e.g. war zдher, z.B.} 96. Kf5 Ra8 97. Nd5 Rf8+ 98. Ke4 Kg4 99. Rg2+
Kh4 (99... Kh3 100. Nf4+ Rxf4+ 101. Kxf4 Kxg2 102. h4 $18) 100. Rg6 Rf2 (100...
Kh5 101. Rg3 Kh4 102. Nf4 Ra8 103. Ng6+ Kh5 104. Kf5 Kh6 105. Nf4 $18) 101. Nf4
Ra2 102. Rh6+ Kg5 103. Rh5+ Kf6 104. h4 $18) 96. Rd8 $1 {[%mdl 4096]} Kxh2 97.
Ng4+ Kg2 (97... Kg1 98. Kg3 Kf1 99. Rd1+ $18) 98. Rd2+ Kf1 (98... Kh3 99. Nf2+
$18) 99. Ne3+ Kg1 (99... Ke1 100. Rd1+ $18) 100. Rg2# 1-0

[Event "Montreal-A 5th"]
[Site "Montreal"]
[Date "2004.08.04"]
[Round "1"]
[White "Roussel Roozmon, Thomas"]
[Black "Tyomkin, Dimitri"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2451"]
[BlackElo "2498"]
[Annotator "Tyomkin,D"]
[PlyCount "63"]
[EventDate "2004.08.04"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[EventCategory "12"]
[SourceTitle "CBM 103"]
[Source "ChessBase"]
[SourceDate "2004.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.11"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bxc7 Nc6 9. Ne2 Bg4 10. f3 Rac8 {The best. 10...Bxf3 leads to white's
advantage;} (10... Bxf3 {Bykhovsky,Av-Mikhalevski,V/Beersheba/1996. CBM 53-8.
Bxc7 Nc6 9.Ne2 Bg4/Opening 1996/CBM 53/[Hansen,Cu] (20) Hansen,Cu}) 11. Nc3 (
11. Bf4 Qa5+ 12. Nc3 e5 13. dxe5 Be6 14. Be2 Nxe5 15. O-O Rfd8 16. Qb1 Bc4 17.
Rd1 Bxe2 18. Nxe2 Nc4 $17 {Nakamura,R-Annus,T/WchJM-U18 Szeged (06) ,TD 94\01
1994 (27)}) 11... Qe6 (11... Qd7 12. Bf4 Be6 13. Be2 {[%cal Ge1g1] is to
white's favour;}) 12. Bf4 g5 $5 $146 {Invented (and also refuted!) by Fritz!
No doubt, computers are strong in tactics and can easily find some unexpected
blow like 12...g5; Unfortunately, 12...g5 can't pretend to be a strong novelty,
since white has a way to for an advantage;} (12... Nxd4 {Mikhalevski,V} 13.
fxg4 Rfd8 14. Kf2 $6 (14. Bd3 {(Mikhalevski,V) is the main line,that promise a
better play for White.} Nc6 15. Qb1 (15. Qe2 {Hansen,Cu} Nb4 16. Rd1 Bxc3+ 17.
bxc3 Nxa2 18. Qb2 Nxc3 19. Rd2 Rd5 $17 {/\g5}) 15... Ne5 (15... Nb4 $6 {
Mikhalevski,V} 16. Be2 $1 $16) (15... Bxc3+ {Hansen,Cu} 16. bxc3 g5 17. Bxh7+
Kg7 18. Bf5 $18 {Wiersma-Nowinszky/cr 1.EU tt Vorrunde 1973 (25)}) (15... Nb4
$5 {Hansen,Cu}) 16. Be2 Nc4 17. O-O (17. Bxc4 {Mikhalevski,V} Qxc4 18. Qc2 (18.
h3 $1 {Hansen,Cu} Bxc3+ (18... g5 {Hansen,Cu} 19. Bxg5 Be5 20. Ne2 Qb4+ 21. Kf2
Bxb2 $2 (21... f6 {Hansen,Cu} 22. Bh6 Bxb2 23. a3 Qb5 24. Qa2+ Kh8 25. Rad1 $18
) 22. Bxe7 $1 Qxe7 23. Qxb2 Rd3 24. Rhd1 Qxe3+ 25. Kf1 {1-0 Dobsa-Stefan, corr.
1968/69}) (18... Rd3 {Hansen,Cu} 19. O-O $18) 19. bxc3 Qxc3+ 20. Kf2 Rd2+ 21.
Kg3 e5 22. Bh6 $16 {Arounopoulos,S-Loderbauer,G/cr GER 1990/91 CCYB 8 1990 (27)
}) 18... g5 (18... b5 {Hansen,Cu} 19. Rd1 g5 20. Bxg5 Qc5 21. Rxd8+ Rxd8 22.
Qf5 Bxc3+ 23. bxc3 Rd5 $10 {Ney,I-Simagin,V/cr 5/597 1968 (32)}) 19. Bxg5 b5
20. Qb3 Qxg4 21. O-O Qxg5 22. Rxf7 Qxe3+ 23. Kh1 Kh8 24. Raf1 a6 25. R7f3 Qd4
26. a3 Qc4 27. Qc2 a5 28. Rf4 Rd4 29. Rf7 b4 30. R1f3 bxc3 31. Rh3 Re4 32. Qd1
Qxf7 {0-1 Santa Torres,L-Vilela,J/Sagua la Grande 1989}) 17... Nd2 18. Qc2 Nxf1
19. Kxf1 (19. Bxf1 {Hansen,Cu} Qxg4 20. Qb3 Rd2 21. Qxb7 Rxb2 22. Qxb2 Bxc3 23.
Qc1 Bxa1 24. Qxa1 $14 {Mulder van Leens Dijkstra-Napolitano, corr. 1974/76})
19... Bxc3 20. bxc3 Qf6 21. g5 Qxc3 22. Qxc3 Rxc3 23. Rd1 $16 {1-0 Timman,
J-Schmidt,W/Indonesia 1983 (35)}) 14... Qb6 $1 15. Rb1 (15. Qc1 {Mikhalevski,V}
Ne6 16. Bg3 Ng5 17. Rb1 $1 {[%cal Rb1b6] in Benko -Laszlo,1951 Probably the
only move, that could lead to a draw by perpetual check.} (17. Be2 $2 {
Mikhalevski,V} Bxc3 18. bxc3 Rxc3 19. Qe1 Rxe3 $1 20. Kf1 Qf6+ 21. Bf2 Rxe2 $1
{[%cal Rf6a1] 0-1 Amado,C-Scanavino,E/Club Argentino 1963} 22. Kxe2 Qa6+ 23.
Ke3 Rd3+ 24. Ke2 (24. Kf4 {Mikhalevski,V} Qf6#) 24... Rd4+ 25. Ke3 Qd3#) 17...
Bxc3 18. bxc3 Ne4+ 19. Kg1 Rxc3 20. Qxc3 $1 (20. Qe1 $143 {Mikhalevski,V})
20... Qxb1 21. Qc7 Rd1 22. Qb8+ Kg7 23. Qf4 $2 (23. Qe5+ $1 $11 {Mikhalevski,V}
) 23... h6 $1 $19 {[%csl Rg1][%cal Gg7h7,Re4d2,Rd1f1] /\Nd2} 24. Qe5+ Kh7 25.
Qf4 f6 26. Bh4 Nd2 27. Kf2 Rxf1+ 28. Rxf1 Qxf1+ 29. Kg3 Qxf4+ 30. exf4 g5 {
[%csl Rh4] 0-1 Benko,P-Laszlo,D/HUN-ch 1951}) (15. exd4 {Mikhalevski,V} Qxb2+
16. Ke1 Bxd4 17. Ne2 Qxa1 $19) 15... Ne6 16. Qb3 Rd2+ 17. Ke1 $2 {After this
blunder White is lost.} (17. Kg3 $8 {Mikhalevski,V} Qxb3 18. axb3 g5 19. Ne4 (
19. Bc4 {Mikhalevski,V} gxf4+ 20. exf4 Bxc3 21. bxc3 b5 22. Bxe6 Rxc3+ 23. Kh4
fxe6 $11) 19... Rxb2 20. Rxb2 gxf4+ 21. exf4 Bxb2 22. Bc4 $11) (17. Be2 $2 {
Mikhalevski,V} Nxf4 18. Qxb6 Nd3+ $1 $15) 17... Qxb3 $1 ({It wasn't late to
make a mistake.} 17... Rxb2 $4 {Mikhalevski,V} 18. Rxb2 Bxc3+ 19. Qxc3 $1 $18 {
[%cal Rb2b6] and White suddenly wins.}) 18. axb3 Rxb2 $1 $19 {After 23.ef a4
White is hopeless.. 0-1 Prongolts,E-Mikhalevski,V/Israel 1998/CBM 64/
[Mikhalevski,V] (22) This simple tactical blow decides the game.}) (12... Bxd4
13. fxg4 g5 (13... Nb4 {Hansen,Cu} 14. Kf2 Bxc3 15. bxc3 Rfd8 16. Qb3 Nd5 17.
Bc4 g5 18. Bxg5 Qc6 $44 {Fedder,S-Hansson,D/Copenhagen op (02) ,MCL 06 1980 
(30)}) 14. Bxg5 Rfd8 15. Qc1 (15. Qe2 $2 {Hansen,Cu} Bxc3+ 16. bxc3 Qe5 $17 {
Biro,J-Hardicsay,P/HUN 16/602 1973 (23)}) (15. Qb3 {Hansen,Cu} Qxg4 16. h4 Be5
17. Rh3 Bg3+ 18. Rxg3 Qxg3+ 19. Ke2 Ne5 20. Rd1 Nf3 $1 $10 {Kaunas,K-Gavrikov,
V/URS 34/540 1982 (33)}) (15. Qf3 Bxc3+ 16. bxc3 Qe5 $1 $132 {0-1 Fedder,
S-Ribli,Z/Groningen 1970/EXT 2001 (35)}) 15... f6 $146 (15... Nb4 {Hansen,Cu}
16. Be2 Bxc3+ (16... f6 {Hansen,Cu} 17. Bf4 Nxa2 18. Rxa2 Bxc3+ 19. bxc3 Qxa2
20. Bf3 e5 21. Bh6 b5 22. O-O $16 {Wiersma-Zapletal/cr 1.EU tt Endrunde 1978 
(41)}) (16... Nxa2 17. Rxa2 Bxc3+ 18. bxc3 Qxa2 19. Bxe7 Rd5 (19... Re8 20. Bf6
{1-0 Veremeichik,V-Goryachkin,V/Suwalki 2000/EXT 2003 (20)}) 20. Bf3 $18 {
1-0 Bohm,H-Hoelzl,F/Amsterdam 1979/MCD (42)}) 17. bxc3 f6 (17... Qg6 {Hansen,Cu
} 18. Bf4 Nc2+ 19. Kf2 Nxa1 20. Qxa1 Rd2 21. Rd1 $18 {Mulder v Leens
Dijkstra-Gasseholm/1985 cr 1985 (24)}) 18. Bf4 Nxa2 19. Qb2 Nxc3 20. Bf3 Qc4
21. Qxb7 $18 {Kriukov,W-Mallee,R/cr-9 WCH 1977 (26)}) (15... Bxc3+ {Hansen,Cu}
16. bxc3 Qe4 17. Kf2 Rd5 18. h4 Rcd8 19. Kg1 Ne5 20. Be2 {+- Heemsoth,H-Savic,
V/cr 34/(540) 1981}) 16. Bf4 Nb4 17. Kf2 Bxc3 18. bxc3 Nxa2 19. Qe1 $6 Nxc3 20.
h3 b5 21. Kg3 b4 22. Ba6 Rc5 23. Qf1 b3 $44 {1/2-1/2 Eliet,N-Kovchan,A/
Cappelle la Grande FRA 2004/The Week in Chess 487 (49)}) (12... Bxf3 $5 {
One more new idea by Fritz!} 13. gxf3 Nxd4) 13. Bxg5 (13. d5 Bxc3+ 14. bxc3 Qf6
15. Bg3 Qxc3+ 16. Kf2 Nb4 17. Kg1 Bd7 18. e4 Nc2 $36) 13... Bf5 14. Bd3 $2 {
This took almost an hour for my young opponent to make a move here, and he
failed to find the strongest 14.d5!} (14. Qe2 Qg6 15. Bf4 e5 16. dxe5 Nxe5 $44
17. e4 Be6 $36 {[%cal Gf8d8,Ge5c4]}) (14. d5 $1 {and here is the refutation!}
Qg6 15. h4 Nb4 16. e4 Rxc3 17. bxc3 Bxc3+ 18. Kf2 Bxa1 19. Qxa1 Qb6+ 20. Kg3
Qd6+ 21. Bf4 Qg6+ 22. Kh2 Bd7 23. Qe5 $1 $18 {[%cal Ge5e7]}) 14... Bxd4 $15 {
Black has won the opening fight;} 15. Bxf5 (15. e4 Rfd8 16. Qe2 Nb4 17. Rd1 Qe5
$1 {and black is obviously better- white can only dream about castle here;})
15... Bxc3+ $1 {This intermediate move makes sense;} (15... Qxf5 16. exd4 Qxg5
17. O-O Qe3+ $11) 16. bxc3 Qxf5 17. Bf4 Rfd8 18. Qe2 (18. Qb1 Qd3 $1 19. Qxd3
Rxd3 20. Ke2 Rxc3 21. Rhc1 Nb4 {close to equality here, but black knight isn't
any worse than white bishop!}) 18... Nb4 $1 {Nice move, but earnings aren't
that big- black wins back a pawn;} 19. O-O (19. cxb4 Rc2 $19) 19... Rxc3 20.
Rac1 (20. Qb2 Qc5 21. Rfd1 {and white is very close to reach the balance;})
20... Qd3 21. Qb2 (21. Qxd3 Rdxd3 $15 {a-pawn is vulnerable, all black pieces
are active, the night is better than white bishop;}) 21... Rxc1 22. Qxc1 (22.
Rxc1 {[%tqu "En","","","","d3d1","",5]} Qd1+ $1 23. Rxd1 Rxd1+ 24. Kf2 Nd3+ 25.
Ke2 Nxb2 {[%cal Gb2d1]}) 22... Nxa2 23. Qc5 {Looking for an escape on the
kingside;} Nc3 24. Qg5+ Kf8 25. Be5 f6 $2 {having only seconds left I failed
to find the right move; At least 3 moves of black keep large advantage here;} (
25... Nd5 $1 26. Qg7+ Ke8 27. Qg8+ Kd7 28. Qg4+ f5 $1 29. Qa4+ Ke6 $17) (25...
Nd1 $1 26. Qg7+ Ke8 27. Qg8+ Kd7 28. Qg4+ f5 29. Qa4+ Ke6 $17) (25... Ne2+ $6
26. Kf2 (26. Kh1 Ng3+) 26... Nc1 $5 {but this line is mutual;}) (25... Rc8 $5
26. Qg7+ (26. Bg7+ Ke8 27. Bxc3 Rxc3 $17 28. Qg8+ $140 Kd7 29. Qxf7 Qxe3+ 30.
Kh1 Rc1 $19) 26... Ke8 27. Bxc3 Rxc3 28. Qg8+ Kd7 29. Qg4+ Kd8 $1 {the safest!
no Qa4+ now;} 30. h3 Qxe3+ 31. Kh2 Rc1 32. Rxc1 Qxc1 33. Qg8+ Kd7 34. Qxf7 Qc5
35. Qxh7 a5 {and black is much faster;}) 26. Bxf6 $11 {Now white reaches the
draw by perpetual - the black king can't escape;} exf6 27. Qxf6+ Kg8 28. Qe6+
Kg7 29. Qe7+ Kh8 30. Qf6+ Kg8 31. Qe6+ Kf8 32. Qf6+ 1/2-1/2