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It’s over quickly on 33. Naxc5! cxd5 34. Nxe5 Re7 (the g7-bishop is useless as 34…Bxe5?? allows 35. Qg8 mate; after 34…Rf6 35. Nd3 Qd7 36. Bxf6 Qxg4 37. Rxg4 Bxf6 38. e5 Bg5 39. e6 Be7 40. Nf2, Black is paralyzed) 35. d6! Qxd6 36. Nf7!! — a cute blocking move leading to mate after 36…Rxf7 (Bxb2 37. Qg8 mate; 36…Ngf6 37. Nxd6) 37. Qxg7+! Rxg7 38. Rxg7 mate. Yandemirov resigned.

Shankland-Izquierdo, 9th Pan American Team Championship, Campinas, Brazil, February 2013

>1.Nf3 d6 2.d4 f5 3.g3 Nf6 4.Bg2 g6 5.O-O Bg7 6.b3 O-O 7.Bb2 Ne4 8.Nbd2 Nc6 9.c4 e5 10.dxe5 Nxd2 11.Qxd2 dxe5 12.Qd5+ Kh8 13.e4 fxe4 14.Qxe4 Bf5 15.Qe3 Qe7 16.Nh4 Bg4 17.h3 Bd7 18.Rad1 Bf6 19.Nxg6+ hxg6 20.Qh6+ Kg8 21.Qxg6+ Kh8 22.Qh6+ Kg8 23.Rxd7 Qxd7 24.Bd5+ Rf7 25.Qxf6 Raf8 26.Qg6+ Kh8 27.Bxc6 Black resigns.

Svetushkin-Yandemirov, Moscow Open A Tournament, February 2013

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 g6 6. d4 Bd7 7. O-O Bg7 8. d5 Nce7 9. Bxd7+ Qxd7  10. c4 h6 11. Ne1 f5 12. f3 Nf6 13. Nc3 O-O 14. Nd3 c5 15. Qe2 b5 16. b3 b4 17. Na4 Qc7 18. a3 a5 19. Bb2 Nd7 20. Rae1 f4 21. g3 g5 22. gxf4 gxf4 23. Kh1 Kh7 24. Rg1 Rf6 25. axb4 axb4 26. Qg2 Rg6 27. Qh3 Rf8 28. Rxg6 Nxg6 29. Rg1 Rf6 30. Qg4 Ndf8 31. h4 Rf7 32. h5 Nh8 33. Naxc5 dxc5 34. Nxe5 Re7 35. d6 Qxd6 36. Nf7 Black resigns.

David R. Sands can be reached at 202/636-3178 or by email at dsands@washingtontimes.com.