汉明码

Yuriy Hryhorovych Kryvoruchko – Danyyil Dvirnyy
16th European Individual Championship; Jerusalem, March 3, 2015
Giuoco Piano C54

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. a4 a5. The alternative is 8. ... a6 9. a5 Nf6 (else 9. ... Nb6 10. Ba2 Bg4 as in the game Demchenko – Tomashevsky, 67th Russian Championship Higher League, Vladivostok 2014) 10. Nbd2 h6 11. Qe2 Re8 12. Ne4 Bf8 13. Bb3 Be6 as in the game Ivanchuk – Vallejo Pons, 49th Capablanca Memorial, Havana 2014. 9. Re1 Nb6 10. Bb5 f6 11. Nbd2 Na7 12. d4 exd4 13. Ne4 Be7 14. Nxd4 Nxb5 15. axb5 Rf7 16. Bf4 a4 17. h3 Bd7 18. Qe2 Qc8 19. c4. White’s advantage is apparently symbolic: it is a superiority in space, a somewhat freer game. 19. ... c6? Very thoughtlessly played. Dvirnyy cedes the square d6. 20. Bd6! Qf8? Two mistakes in a row, the second one being irreparable. Comparatively best was 20. ... f5 although after 21. Bxe7 fxe4 22. Bd6 White retains a clear edge.

21. Nxf6+! The decisive coup. 21. ... Bxf6. Both 21. ... gxf6 and 21. ... Rxf6 are refuted by 22. Bxe7. 22. Bxf8 Bxd4 23. Bb4 Rxf2. Black wins back his Queen, but his game is, however, past redemption. 24. Qxf2 Bxf2+ 25. Kxf2 cxb5 26. Re7 Rf8+ 27. Kg1 Rf7 28. Rae1 h6 29. Rxf7 Kxf7 30. Re7+ Kf6 31. cxb5 1 : 0.