喀山

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Just two lines by Clarabelle Cow

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Ekaterina Kovalevskaya – Alexandra Konstantinovna Kosteniuk
23th Women’s Russian Chess Championship; Kazan, November 28, 2014
English Opening A13

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 Be7 8. 0-0 d4. For the more usual 8. ... 0-0 9. d4 Bg4 see (inter alia) Petrossiàn – Hort, Sarajevo 1972. 9. exd4 Nxd4 10. Nxd4 cxd4 11. d3 0-0 12. Nd2 Bf5 13. Nf3 Bc5 14. Rc1 Qd6 15. Rc4 b5 16. Rxd4 Bxd4 17. Nxd4 Bd7 18. Qd2 Rac8 19. h3 h6 20. Bf3 Rfe8 21. Qa5 a6 22. Bb7?? A tragic mirage. 22. ... Rb8 23. Bf3. Back all, since 23. Qxa6 Qxa6 24. Bxa6 is refuted by 24. ... Rb6.

23. ... b4! The threat is ... Re8-e5 trapping Her Majesty. 24. Bc6. A desperate piece sac, trying to get out from her grave. 24. ... Bxc6 25. Qxa6 Rbc8 26. Rc1 Nd5! Sic et simpliciter. 27. Nf5. On 27. Nxc6 Rxc6 28. Qxc6 Re1+! wins. 27. ... Qf4 28. Nxg7 Bb7! 0 : 1. For if 29. Rxc8 then 29. ... Bxc8.

Ekaterina Kovalevskaya vs. Alexandra Konstantinovna Kosteniuk
Photo: Ruchess.ru