自動駕駛

Batchimeg Tuvshintugs – 侯逸凡 (Hóu Yìfán)
Sharjah; September 5, 2014
Tarrasch Defence D40

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Be7 5. 0-0 0-0 6. c4 d5 7. Nc3 Nc6 8. dxc5 (8. a3) 8. ... Bxc5. Not 8. ... Bxc3?! 9. bxc3 dxc4 10. Bxc4 Qa5 11. Qb3! Ne4 12. Ba3 Nxc5? on account of 13. Qb5! with a winning game. The alternative, instead, is 8. ... dxc4 9. Bxc4 Qxd1 10. Rxd1 Bxc5 11. a3 with a small plus for White. 9. a3 a5. If 9. ... a6 may follow 10. b4 Ba7 11. Bb2 Qe7 12. Qe2 Bd7 13. Rad1 Rfd8 14. Bb1 dxc4 15. Qxc4 Rac8 16. Qh4 Be8?! (16. ... h6) 17. b5! axb5 18. Nxb5 with a slight advantage to White, A. J. Miles – F. Ólafsson, Tilburg 1997. 10. b3. The vintage alternative is 10. Qc2 Qe7 11. b3 dxc4 12. bxc4 Rd8 13. Bb2 Bd7 14. Rfd1 h6 15. Ne4 Nxe4 16. Bxe4 f5 17. Bd3 Be8 with even chances, Schlechter – Pillsbury, Munich 1900. 10. ... Qe7 11. Bb2 Rd8 12. Qc2 h6 13. cxd5 exd5 14. Nb5 Ne4 15. Nfd4 Nxd4 16. Bxd4 Bxd4 17. Nxd4 Bg4

18. Bxe4 dxe4 19. Rfc1 Rac8 20. Qb2 Qg5 21. Rxc8 Rxc8 22. Rc1 Re8 23. Kh1 Qf6 24. Rc5 Re5 25. b4 Rxc5 26. bxc5 Qa6 27. h3 Bd7 28. Kg1 Kf8 29. Qc2 Qg6 30. Kf1 Ke8 31. Qb1 Qa6+ 32. Ke1 Bc6 33. Nf5 a4 34. Qb4 Qd3. Intending ... Bc6-b5. 35. Nd4. The Litmus test is 35. Qb2 when the g7-Pawn is en prise and ... Bc6-is is not possible. It is unclear how and if Black could hold her own. 35. ... Qa6 36. Nf5 Qd3 37. Nd4 Qa6 38. Nf5 Qd3 39. Nd4 ½ : ½.

王茜 (Wáng Qiàn) and 侯逸凡 (Hóu Yìfán)
Sharjah; September 5, 2014
Photo: Maria Alekseevna Emelianova

居文君 (Jū Wénjūn) – Humpy Koneru
Sharjah; September 5, 2014
Queen’s Indian Defence E16

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. d4 e6 5. Bg2 Bb4+ 6. Bd2 c5 7. Bxb4 cxb4 8. 0-0 0-0 9. Qd3 d6 10. Nbd2 Qc7 11. e4 e5 12. Ne1!? Nc6 13. Nc2 a5 (13. ... exd4! 14. Nxd4 Nxd4 15. Qxd4 Qc5 16. Qd3 Rfe8=) 14. b3 Rfe8 15. Rfe1 Rad8 16. Nf1 Nd7 17. Nfe3 exd4 18. Nd5 Qb8 19. Nxd4 Nc5 20. Qd2 Nxd4 21. Qxd4 Bxd5 22. Qxd5 Re5 23. Qd4 b5 24. cxb5 Qxb5 25. Rad1 Ne6 26. Qd2 Qb6 27. Re3 Rc5 28. Bf1 Nc7 29. Bc4 Ne8 30. Rd3 Rd7 31. Qe3. With the subtle threat of e4-e5. 31. ... Re7 32. f3. White stands somewhat better, but, strangely enough, Miss 居文君 (Jū Wénjūn) doesn’t sound out her own prospects for an advantage with 32. Rd5, intending to change the Rooks and then make the most of the d-file. 32. ... Qc7 33. Kg2 h6 34. R1d2 Kh7 35. Qf4 Kg8 36. Rd5 Rxd5 37. Rxd5 Re5 38. Rd3 Rc5 39. Qd2 Qe7 40. Rd4 Qc7 41. Rd3 Qc6 42. Rd4 Qc7 43. Rd3 Qc6 44. Rd4 Qc7 45. Rd3 Qc6 ½ : ½.

居文君 (Jū Wénjūn)
Sharjah; September 5, 2014
Photo: Maria Alekseevna Emelianova