Konstantin Sakaev

Konstantin Sakaev,
grandmaster

Sakaev, Konstantin (2648) - Ibragimov, Ildar (2554)
Russian Men Championship,
Moscow, 1999, round 4.4
[D20]

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5 6. Bf4 Ba6 7. e5 b4

Diagram 1

8. e6! N fxe6?

8...Qa5 The only move 9. exf7+ (9. Na4 fxe6 10. dxe6 Nc6 11. b3 Rd8 Black has the upper hand) 9...Kxf7 10. Na4

Diagram 2

  A) 10...c3 11. bxc3 (11. Nf3? c2 12. Qxc2 b3+ Black has the upper hand; 11. b3?! Bxf1 12. Kxf1 Qb5+ 13. Ne2 Qb7 Black has a little advantage; 11. Bxa6 Nxa6 12. b3 Rd8 13. Nf3 Rxd5 14. Qe2 With compensation) 11...bxc3 12. Qc2 Nxd5 13. Nf3 Nxf4 14. Qf5+ Kg8 15. Qxf4 Qb4 16. Qe5 With attack

  B) 10...Nbd7

    B1) 11. b3 cxb3 12. axb3 Bxf1 13. Kxf1 Qb5+ 14. Ne2 Qb7 Black has a little advantage

    B2) 11. Nf3 Bb5 12. b3 Bxa4 13. bxa4 b3+ 14. Nd2 b2 15. Rb1 c3 (15...Nb6 16. Qc2 With unclear play) 16. Nc4

Diagram 3

      B2a) 16...Qb4 17. a3 Qb7

        B2a1) 18. Ne3 Nb6 19. Qb3 Nfxd5 20. Bc4 e6 21. a5? (21. Bg3 With unclear play) 21...Nxf4 22. axb6 Nxg2+

        B2a2) 18. Na5 Qb6 19. Nc6 White has the upper hand

      B2b) 16...c2+ 17. Nxa5 cxd1=Q+ 18. Kxd1

Diagram 4

        B2b1) 18...Nxd5 19. Bc4 N7b6 (19...e6 20. Bxd5 exd5 21. Rxb2 Nb6 22. Nc6 With initiative) 20. Be5 Rd8 21. Ke2 e6

Diagram 5

        22. Bxb2 (22. Rxb2 Bd6 23. Bxd6 Rxd6 24. Rc1 =) 22...Nxa4 23. Rhc1 Nxb2 (23...Bd6 24. Nb7 Rd7 25. Nxd6+ Rxd6 26. Be5 Rb6 27. Bb3 White has the upper hand) 24. Rxb2 Nb6 25. Nc6 White has the upper hand

        B2b1) 18...Nb6 19. Rxb2 Nfxd5 20. Be5 e6 =

    B3) 11. Rc1!? Bb5 12. b3

Diagram 6

      B3a) 12...c3 13. Nf3 Bxf1 14. Kxf1 Qb5+ 15. Kg1

Diagram 7

      15...Qb7 (15...c4 16. Qe2 Qxd5 17. Rd1 Qc6 18. Ng5+ Kg8 19. Rd6! White has a decisive advantage) 16. Qe2 Qxd5 17. Rd1

Diagram 8

        B3a1) 17...Qc6 18. Ng5+ Re8 20. h4 With attack

        B3a2) 17...Qf5 18. Qc4+ Ke8 19. Ng5 With attack

      B3b) 12...Bxa4 13. bxa4

        B3b1) 13...c3 14. Nf3 Nb6

Diagram 9

          B3b11) 15. Ne5+ Kg8 16. Bb5 (16. Nc6 Qxa4 17. Qe2) 16...Nbxd5 With unclear play

          B3b12) 15. Ng5+ Kg8 16. Qe2 e5

Diagram 10

          B3b121) 17. Qxe5 Re8 18. Ne6 Qxa4 With unclear play (18...Nbxd5 19. Bc4 White has a decisive advantage; 18...Nfxd5 19. Bb5 White has a decisive advantage)

          B3b122) 17. dxe6 Be7 18. g3 White has the upper hand

        B3b2) 13...Nb6 14. Bxc4 Nxc4 15. Rxc4 Rd8 16. Nf3 With compensation

Diagram 11

9. Qa4+ Qd7

9...Nbd7 10. dxe6 bxc3 11. exd7+ (11. bxc3 Qb6 12. exd7+ Nxd7 13. Nf3 White has the upper hand) 11...Qxd7 12. Qxa6 cxb2 13. Rb1 White has a decisive advantage; 9...Nfd7 10. dxe6 bxc3

Diagram 12

11. O-O-O!? (11. bxc3 Qb6 12. exd7+ Nxd7 13. Nf3 White has the upper hand) 11...cxb2+ 12. Kb1 White has a decisive advantage

10. dxe6 Qxa4

10...Qc6 11. Bxb8 Qxa4 12. Nxa4 Rxb8 13. Nxc5 Bb5

Diagram 13

14. a4 bxa3 15. Rxa3! (15. bxa3 Rc8 16. a4 Rxc5 17. axb5 White has the upper hand) 15...Rc8 16. Rxa7! White has a decisive advantage

11. Nxa4 Bb5 12. Nxc5

Diagram 14

12...Nc6

12...Na6 13. a4 (13. Nb3!?) 13...Nxc5 14. axb5 Nxe6 15. Be3 White has the upper hand

13. Rc1 Nd5

13...Na5 14. Bd2! Nd5 15. a3! White has a decisive advantage

14. Bxc4 Bxc4 15. Rxc4 Nxf4 16. Rxf4 g5 17. Rc4 Bg7

Diagram 15

18. Nf3! White has the upper hand

18. Na6 Ne5! With counterplay; 18. Nd3 Nd4 19. Ne2 Nxe6 20. Rxb4 Rd8 With counterplay

18...Ne5?

18...Bxb2 19. Na6 (19. Na4 Ne5 20. Nxb2 Nxc4 21. Nxc4 Rc8 22. Nfe5 h5 23. Ke2 Rh6 With counterplay) 19...Bxc3 20. Rxc3 bxc3 21. Nc7+ Kd8 22. Nxa8 Kc8 23. Nxg5 White has the upper hand

19. Nxe5 Bxe5 20. Nd3 Bd6 21. h4 White has a decisive advantage

Diagram 16

21...gxh4 22. Rcxh4 a5 23. Rxh7 Rg8 24. g3 O-O-O 25. Ke2 Kb7

Diagram 17

26. R7h4 Rg6 27. Re4 Rg5 28. g4 Rd5 29. Rd1 Kb6 30. b3 Rc8 31. Rd2 Kb5 32. Nb2 Rxd2+ 33. Kxd2 Bc5 34. Nd3 Bd6 35. f4

Diagram 18

35...a4 36. g5 a3 37. f5 Rf8 38. f6 1:0

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