Jyrki Heikkinen - Pasi Korhonen

French Defence, Vantaa 1991

7. -exd5 8. cxd5

• 8. -Bd6 and Black has a clear advantage according to Keres. However, 9. Bd3 Qe7+ 10. Ne2 O-O 11. O-O looks OK for White; for example, 11. -Nxd5?! 12. Bxh7+ Kxh7 13. Qxd5.
• 8. -Na6 9. Bf4 Bd6? 10. Qe2+ +-, Jyrki Heikkinen - Lauri Kuru, 1988.

8. Bf4 Bd6 9. Ne5

9. Bxd6 Qxd6 10. Nb5 Qd8 11. d6 Na6 is unclear.

9. -Bxe5

9. -O-O (9. -Nbd7? 10. Nxf7) 10. dxe6 (10. Be2) Bxe5 11. exf7+ Kxf7 12. Bxe5 Qe7 13. Qe2 Bg4 14. Bxf6 is unclear.

10. Bxe5 a6

• 10. -exd5 11. cxd5 Qe7 12. Bb5+ Bd7 13. O-O.
• 10. -O-O 11. Qf3 Nbd7 12. Bg3 with the idea O-O-O.

11. Be2

This loses a tempo, but Black has played already two non-moves: h6 and a6. Bolder is 11. Bd3! exd5 12. cxd5 Qe7 13. O-O.

11. -O-O 12. O-O Ne8

12. -Nbd7 13. Bd6 Re8 14. dxe6 fxe6 (14. -Rxe6 15. Bxc5) 15. Bd3 with the idea Bc2 and Qd3.

13. Bd3 f6

14. dxe6 Nc6

14. -Qe7 15. Qh5 Qxe6 (15. -fxe5 16. Qg6) 16. Be4! +-.

15. Bh7+! Kxh7 16. Qxd8 Nxd8 17. e7 Ne6 18. exf8Q Nxf8 19. Rae1 Kg8 20. Nd5 Ng6

20. -fxe5 21. Ne7+ Kh7 22. Rxf8.

21. Bg3 Kf7

21. -Bd7 22. Nb6 Rd8 23. Nxd7.

22. Rxe8 1-0

PGN version.