Tuesday, December 26, 2023

From Stonehenge to Samarkand

Mariya Olehivna Muzychuk – 于润荷 (Jennifer Yú)
9th Women’s World Rapid Chess Championship; time control: 15 minutes plus 10 seconds per move; Samarkand, December 26, 2023
Queen’s Gambit Declined D31

1. d4 d5 2. c4 e6 3. Nc3 a6!? A sideline introduced into praxis by Dawid Janowsky around 1899, and only recently rediscovered.
4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6. From a strategic standpoint, it might not be wise for Black to offer the exchange of her better Bishop, yet great firms such as Alekhine played just this way.
7. Bg5. The critical alternative is 7. Bxd6 Qxd6 8. Bd3 0-0 (8. ... Nc6 9. Nge2 0-0 10. a3 Ne7 11. Qc2 is at most only a a tad better for White, Euwe – Alekhine, International Chess Tournament, Zürich 1934) 9. h3 b6 10. Nf3 c5 11. 0-0 Nc6 12. dxc5 bxc5 13. Rc1 Be6?! 14. Na4± Krush – 于润荷 (Jennifer Yú), 59th U.S. Women’s Chess Championship, lichess.org, October 22, 2020 (time control: 25 minutes plus 5 seconds per move).
7. ... c6 8. Bd3 Be6 9. Nge2 h6 10. Bh4 Nbd7 11. h3 Qc7 12. 0-0. Of course, after 12. f4 Black would not hesitate to give up a Pawn with 12. ... g5! to open lines on the Kingside.
12. ... g5 13. Bg3 Bxg3 14. Nxg3 h5 15. Rc1 h4 16. Nf5 Rg8 17. f3 Nb6 18. Na4 Nxa4 19. Qxa4 Nh5 20. Rfe1 Bxf5 21. Bxf5 Ng3 22. Bd3 Kf8. Clearly not 22. ... 0-0-0? because of 23. Bxa6! winning a Pawn and (at least potentially) targeting the Black King.
23. Qb4+ Qe7 24. Qd2. White avoids the exchange of Queens as the ending would be definitely more favourable to Black.
24. ... f5 25. Qc2 g4 26. fxg4 fxg4


27. hxg4? Here White’s trouble begins. The correct continuation was 27. e4! dxe4 28. Bxe4 Re8 29. Qf2+ Qf7 with rough equality.
27. ... Rxg4 28. Bf5 Rg5 29. Bh3 Kg7 30. Qd2 Rf8 31. Rc2 Qf6. Also strong seems to be 31. ... Ne4 followed by ... Rg5-g3.
32. Qd3


32. ... Qe7. Black sees no clear way to strengthen her attack and contents herself with what she has — which is not a little thing. But much stronger seems 32. ... Rg6! intending ... Qf6-g5 eventually followed by ... Rg6-f6-f1+.
33. Rf2 Rxf2 34. Kxf2 Rg6 35. Kg1 Rf6 36. Bg4 Qf7


37. Qc2?? A blunder that loses at once. After 37. Qd1 Qe7 Black stands much better, but the win still has to be achieved.
37. ... Rf1+ 0 : 1.

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