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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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