Wednesday, March 11, 2015

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Lenka Ptáčníková – Héðinn Steingrímsson
International Chess Open; Reykjavík, March 11, 2015
Sicilian Defence B23

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 e6 5. Nxd4. Ptáčníková’s knowledge of the theory of the openings does not appear irreproachable. 5. ... cxd4 6. Ne2 Qg5 7. Nxd4? A well-known mistake, which causes the loss of a piece. For the critical line 7. Bd3 Qxg2 8. Ng3 Qh3 see Mason – Maróczy, Monte Carlo 1903.


7. ... Qc5 8. c3 e5 0 : 1. White prefers sudden death to a painful agony. Firstly, suppose White to continue: 9. b4 Qb6 10. Qe2 exd4 11. cxd4 Qxd4 12. Rb1 Nf6 13. 0-0 Be7 14. Rb3 a6 15. e5 Nd5 16. Bb2 Qh4 17. g3 Qh6 18. Bd3 Nxb4 19. Bb1 0-0 20. a3 Nc6 21. g4 d6 22. f4 dxe5 23. Qg2 f5 24. Rh3 Qg6 25. Rg3 Bc5+ 26. Kh1 Bd4 27. gxf5 Qf6 28. Rg6 Qf7 29. Ba2 Qxa2 30. Rxg7+ Kh8 31. f6 Rxf6 32. Bxd4 Be6 33. Rg1 Bd5 0 : 1 Velimirović – Matulović, Vršac 1981. Secondly: 9. Qb3 exd4 10. Bc4 Nh6 11. d3 Qb6 12. cxd4 Qxb3 13. Bxb3 g6 14. h3 Bg7 15. g4 Ng8 16. Be3 Ne7 17. f4 h5 18. g5 d5 19. h4 Be6 20. Rc1 Rc8 21. Rxc8+ Nxc8 22. Ba4+ Bd7 23. Bb3 Ne7 24. Kd2 Bc6 25. Bc2 Kd7 26. Rf1 f5 27. gxf6 Bxf6 28. Bf2 Rf8 29. Rg1 Bg7 30. Ke3 Bh6 31. Bg3 Re8 32. Kd2 Nc8 33. Re1 Nd6 34. exd5 Bxd5 35. Re5 Rxe5 36. dxe5 Nf5 0 : 1 Berzinsh – Sveshnikov, 24th International Rapid Paul Keres Memorial, Tallin 2015.

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