Saturday, June 26, 2021

4(四)

Jan-Krzysztof Duda – 侯逸凡 (Hóu Yìfán)
1st Champions Chess Tour; 7th stage; Goldmoney Asian Rapid; Prelims Tournament; time control: 15 minutes plus 10 seconds per move; chess24.com, June 26, 2021
Queen’s Indian Defence E16

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 Bb7 7. 0-0 0-0 8. Bf4 Be7 9. Qc2 Be4 10. Qd2 Bb7 11. Nc3 Bb4!? No doubt better than 11. ... Ne4 12. Nxe4 Bxe4 13. d5 exd5 14. cxd5 d6 15. Nd4 Bxg2 16. Kxg2 Bf6 17. Rac1 Bxd4 18. Qxd4 Na6 19. Bd2 Qe7 20. e4 Nc5 21. Rfe1 Qe5 22. Qxe5 dxe5 23. Rc4 c6 24. dxc6 Rfc8 25. Be3 Rxc6 26. Rec1 Rac8 27. b3 Ra8 28. a3 Re6 29. Bxc5 bxc5 30. Rxc5 g6 31. Rb5 Rd6 32. Rc3 a4 33. b4 Rad8 34. Ra5 Rd2 35. Rxa4 Re2 36. Re3 Rxe3 37. fxe3 Rd2+ 38. Kf3 Rxh2 39. b5 h5 40. b6 g5 41. g4 1 : 0 Lesovoi – Ufimtsev, 3rd Kortschnoi Memorial Open, Saint Petersburg 2019.
12. Qc2 Bxc3 13. Qxc3 d6 14. Rad1 Be4 15. Rfe1 Nbd7 16. Bf1 Qe7 17. Nd2 Bb7 18. e4 e5 19. Bg5 h6 20. Bxf6 Nxf6 21. dxe5 dxe5 22. c5 bxc5 23. f3 a4 24. Nc4 Rfe8 25. Ne3 g6 26. Rc1


26. ... Nh7?! Going for tactics. 27. ... Nd7 seems adequate to maintain the balance.
27. Qxc5 Ng5 28. Qxe7 Rxe7 29. Kf2 Ne6? Black keeps pursuing chimeras. ⌓ 29. ... Kg7 30. Bc4⩲↑ was an imperative for survival.
30. Ng4 Nd4


31. Rc5! Mercilessly! 侯逸凡 (Hóu Yìfán) was perhaps hoping for 31. Nxh6+ Kg7 32. Ng4 Bc8 33. Ne3 Rb8 reorganising and recoordinating at best her forces, but Duda proceeds systematically, square by square, towards an irreproachable technical victory.
31. ... Ne6 32. Rxe5 h5 33. Ne3 Rd7 34. Bc4 Rd2+ 35. Re2 Rad8 36. Bxe6 fxe6 37. Ra5! R8d4 38. Nc2 Rd6 39. Nb4 R2d4 40. a3 Rc4 41. Ke3 c5 42. Rc2! Rxc2 43. Nxc2 Rb6 44. Rxc5 Rxb2 45. Kf4 Kf7 46. Rc7+ Ke8 47. Nb4 1 : 0.

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