Jyrki Heikkinen - Timo Väätäinen

Alapin-Diemer Gambit, Espoo 1992

1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nc3

4. Nd2 Nf6 5. f3 exf3 6. Ngxf3 b6 7. Bd3 Bb7 8. O-O Nbd7 9. c3 Be7 10. Qe2 O-O 11. Bc2 Rc8 12. Qd3 g6 13. Bh6 Re8 14. Ng5 c5 15. Rae1 cxd4 16. Rxe6? dxc3? (16. -Nc5) 17. Nxf7 Kxf7 18. Bb3 Kg8 19. Rxe7+ Kh8 20. Bg7#, Jyrki Heikkinen - Timo Väätäinen, 1992.

4. -f5 5. f3 exf3 6. Nxf3 c6 7. Ne5 Nf6 8. g4 Nd5 9. Nxd5

9. gxf5!? Nxe3 (9. -exf5 10. Qh5+ g6 11. Nxg6 hxg6 12. Qxg6+! Kd7 13. Nxd5 cxd5 14. O-O-O with interesting game) 10. Qh5+

10. -Ke7 11. f6+! gxf6 12. Qf7+ Kd6 13. Ne4+ Kd5 14. Nxf6+ Kxd4 (14. -Kd6 15. c4) 15. Qh5!!.
10. -g6 11. fxg6 hxg6 12. Qxg6+ Ke7 13. Ne4! Qxd4 (13. -Nxc2+ 14. Ke2 Qxd4 15. Qf7+ Kd8 16. Rd1) 14. Qg5+ Ke8 15. Nf6+ Ke7 16. Nd5+ Kd6 17. Nf7+ Kc5 18. b4+ 1-0.

9. -Qxd5 10. Rg1

10. gxf5!? Qxh1 11. Qh5+ Ke7 12. Qf7+ Kd6 13. O-O-O Qe4 14. Nc4+ Kd5 15. Qc7! threatening both Nb6+ and Bg2.

10. -Bb4+ 11. c3 Be7 12. gxf5 Bh4+ 13. Kd2 O-O

14. Rxg7+

When playing a gambit, it is easy to overlook those quiet moves, like 14. Bh6! Bf6 15. Rxg7+ (15. Qg4 Bxe5! +-) Kh8 (15. -Bxg7 16. Qg4 Rf7 17. f6! 1-0) 16. Qg4! (16. Nf7+ Rxf7 17. Rxf7 Nd7) Bxe5 17. Rxh7+ Kxh7 18. Qg6+ Kh8 19. Bxf8 exf5 20. Qh6+ Kg8 21. Bc4! Qxc4 22. Rg1+ Kf7 (22. -Kxf8 23. Qh8+ and 22. -Bxg7 23. Qxg7+ mate) 23. Rg7+! Ke8 24. Qh5+ Kd8 25. Qh4+ and Qe7#.

14. -Kxg7

14. -Kh8 15. f6! Bxf6 16. Rxh7+ Kxh7 17. Bd3+ Kg8 18. Qg4+ Bg7 19. Rg1 1-0.

15. Qg4+ Kh8 16. Qxh4 Rxf5

There just are no good moves.

17. Ng6+ Kg7

17. -Kg8 18. Ne7+ wins the Queen.

18. Qh6+ 1-0

18. -Kf7 19. Qxh7+ Kf6 20. Ne7.

PGN version.