Seirawan, Yasser (2644) - Ivanov, Igor V (2470) [A56]

Chess Siberia

Seirawan, Yasser (2644) - Ivanov, Igor (2470) [A56]
US Championship, Seattle (7) 2002
Notes by Boris Schipkov

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3
Or 6. h3 Nbd7 7. Bd3 a6 8. Nf3 Rb8 with a small edge to White in Gurevich, M - Piket, J, Corus, Wijk aan Zee (12) 2002.
6...O-O 7. h3 Ne8 8. Nf3 g6 9. g4
In the game Shvedov, S - Dvoirys, S, Chigorin Mem Open, St. Petersburg RUS (6) 2001 White obtained an edge after 9. Bh6 Ng7 10. g4 Na6 11. Qd2 f6 12. Rg1 Rf7 13. Qe2 Bd7 14. Nd2 Bf8 15. Be3 Kh8 16. h4 f5 17. Bg5 Be7 18. gxf5 gxf5 19. O-O-O Nc7 20. f4.
9...Ng7 10. Qe2!? Kh8 11. Bd2 Nd7 12. O-O-O Nf6
White has space advantage.
13. Rdg1 a6 14. Ng5! Nxd5?!
A dubious move. Deserving attention is 14... b5!? 15. h4 bxc4 16. Bxc4 Nd7 with some counterplay on the queenside.

15. Nxf7+! Rxf7 16. exd5
White opens the diagonal for the bishop and takes the important e4 square in the centre.
16...Bg5
Again possible was 16... b5 17. h4 bxc4 18. Bxc4 Rb8 19. Ne4 Qb6 20. Be3 with a minimal edge to White.
17. Be3 Bxe3+?
Better was 17... b5 18. h4 Bf4 19. cxb5 (19. Ne4) 19...axb5 20. Bxb5 Bb7 21. Kb1 and White has only one extra pawn.
18. fxe3 Bd7 19. Rf1
Here the first player has a clear advantage because he seizes the open file.
19...Rxf1+ 20. Rxf1 Qe7

21. Qf3
A simple and strong.
21...Ne8 22. Qf7 Qxf7 23. Rxf7 Rd8 24. Ne4 Kg8 25. Re7 b5
If 25... b6 then 26. Kd2 h5 27. Ng5 hxg4 28. hxg4 Bxg4 29. Bxg6 Nf6 30. Rb7.
26. cxb5 axb5
Or 26... Bxb5 27. Bxb5 axb5 28. g5 winning.
27. Rxd7!
A nice final blow.
27...Rxd7 28. Bxb5
Black resigned. 1-0

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