Đào Thiên Hải – 侯逸凡 (Hóu Yìfán)
7th Asian Continental Chess Championship; Olongapo City, May 20, 2009
Queen’s Indian Defence E15
7th Asian Continental Chess Championship; Olongapo City, May 20, 2009
Queen’s Indian Defence E15
1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb4+ 5. Nbd2 Ba6 6. Qc2 0-0 7. Bg2 d5 8. 0-0 c5 9. dxc5 Bxc5 10. b3 Nbd7 11. Bb2 Rc8 12. a4!?TN Qe7 13. Nd4 Bb7 14. Rfd1
Ne5 15. Rac1 Neg4 16. e3 dxc4! The immediate 16. ... Nxf2 17. Kxf2 Ng4+ 18. Ke2 f5∞ gave nothing concrete except for some complications.
17. bxc4?? A catastrophic error. Maybe White didn’t like 17. Nxc4 because of 17. ... Bxg2 18. Kxg2 Qb7+ 19. Kg1 Ne4 with great play for Black, but probably he ought to have preferred 17. Bxb7 Qxb7 18. h3, though after 18. ... c3! 19. Bxc3 Bxd4 20. exd4 Nh6⩱ followed by ... Nh6-f5 Black might rely upon a strategic edge.
17. bxc4?? A catastrophic error. Maybe White didn’t like 17. Nxc4 because of 17. ... Bxg2 18. Kxg2 Qb7+ 19. Kg1 Ne4 with great play for Black, but probably he ought to have preferred 17. Bxb7 Qxb7 18. h3, though after 18. ... c3! 19. Bxc3 Bxd4 20. exd4 Nh6⩱ followed by ... Nh6-f5 Black might rely upon a strategic edge.
17. ... Nxf2! 18. Bxb7. If 18. Kxf2 then 18. ... Ng4+ 19. Kg1 Bxg2 and finis.
18. ... Nxd1 19. Bxc8 Nxe3 20. Qd3 Nf5 21. Bxe6. Alas for White, 21. Ba6 fails to 21. ... Nxd4 22. Bxd4 Rd8 23. Nb3 Bxd4+ 24. Nxd4 Qc5 25. Rd1 e5 winning immediately.
21. ... fxe6 22. Nb3 Qd7 23. Rd1 Rd8 24. Qe2 Qd6 25. Kg2 Nxd4 26. Rxd4 Bxd4 27. Bxd4 Qc6+ 28. Kh3 Qe4 29. Qb2 Rf8 30. Qc3 Qg4+ 31. Kg2 Qe2+ 32. Kh3 Qf1+ 0 : 1.
18. ... Nxd1 19. Bxc8 Nxe3 20. Qd3 Nf5 21. Bxe6. Alas for White, 21. Ba6 fails to 21. ... Nxd4 22. Bxd4 Rd8 23. Nb3 Bxd4+ 24. Nxd4 Qc5 25. Rd1 e5 winning immediately.
21. ... fxe6 22. Nb3 Qd7 23. Rd1 Rd8 24. Qe2 Qd6 25. Kg2 Nxd4 26. Rxd4 Bxd4 27. Bxd4 Qc6+ 28. Kh3 Qe4 29. Qb2 Rf8 30. Qc3 Qg4+ 31. Kg2 Qe2+ 32. Kh3 Qf1+ 0 : 1.
