蛋黃醬 (Mayonnaise)

Nadezhda Anatolyevna Kosintseva – 侯逸凡 (Hóu Yìfán)
1st 杭州 (Hángzhōu) WGM Chess Tournament; 杭州 (Hángzhōu), July 23, 2011
French Defence C18

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Nxc3 a6. Dubious is 12. ... Nxe5?! because of 13. Nb5 Qb8 14. Be2! N5g6 15. 0-0± T. A. Kosintseva – 侯逸凡 (Hóu Yìfán), FIDE Women’s Grand Prix 2009–2011, 3rd stage, Nalchik 2010. 13. Qd3 Bd7 14. Bd2. Not the most common move. More usual are 14. h4, 14. Ne2 and 14. Rb1.

14. ... 0-0-0! This is probably sharper than 14. ... Rc8 15. Ne2 (15. g3 Na5 16. Nd1 Nc4 17. Bc3 Bb5 18. a4 Nb2 19. Qd2 Nxd1 20. Ba5 Qc5 21. axb5 Ne3 22. Bd3 axb5 23. Rb1 Nxc2+ 24. Ke2 Nc6 25. Rhc1 b4 26. Kf1 Ne3+ 27. Ke2 Nc4 28. Bxc4 Qxa5 29. Bd3 Ke7 30. Kf1 Ra8 31. Qb2 Qb6 32. Qc2 Ra3 33. Ra1 Rga8 34. Rxa3 Rxa3 35. Be2 Rc3 36. Qb1 d4 37. Rd1 b3 38. Qh7 b2 39. Qh4+ Kd7 40. Qf6 b1=Q 0 : 1 Kupper – Schmid, 2nd Clare Benedict Cup, Zürich 1954) 15. Ne2 Nf5 16. g3 Nce7 17. Rc1 Bb5 18. Qb3 Qc6 19. Qc3 Qd7 20. Qb2 d4 21. Rg1 Rh8 22. h4 Rg8 23. Kf2 Nc6 24. Bh3 d3 25. Bxf5 dxe2 26. c4 Ba4 27. Be4 Rd8 28. Be3 Bd1 29. Bf3 e1=Q+ 30. Rxe1 Bxf3 31. Kxf3 Qd3 32. Kf2 Qg6 33. Rg1 Rd3 34. Rc3 Nxe5 35. fxe5 Rd8 36. Bf4 1 : 0 Zinser – Durão, 6th “Costa del Sol” International Tournament, Málaga 1966. 15. g3 Nf5 16. Bg2 Na5 17. Bh3 Bc6

18. Bxf5 exf5 19. Qxf5+? The capture of the Pawn is very unsound. ⌓ 19. Qd4 Nc4∞ was what one might expect — not an easily assessable issue. 19. ... Kb8 20. Qd3? The second error in a row is grave enough to lose the game. There was probably nothing better than 20. 0-0 d4 21. Ne4 Nc4 22. Rf2! b6∓ with the upper hand for Black. 20. ... d4−+ 21. Ne4 f5 22. Nf2 Bxh1 23. Nxh1 Rh8 24. h4 Nc4 25. Kf1 Qc6

26. Nf2. Or 26. Kf2 Nb2 27. Qb3 (27. Qxf5 d3−+) 27. ... d3−+ finis. 26. ... Rhg8 27. g4 (27. Bc1 Ne3+ 28. Bxe3 Rxg3−+) 27. ... fxg4 28. Re1 Nxd2+ 29. Qxd2 Qf3 30. Qd3 Qxf4 31. Qe4 Qh2! 32. Qg2 (32. Rb1 Rg7−+) 32. ... g3 33. Ne4 (33. Rb1 Rg7−+) 33. ... Rg4 0 : 1.