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Muzychuk, Mariya (2526) - Koneru, Humpy (2581) [C45]
Women's World Chess Championship KO, Sochi (4.1) 2015

Notes by Boris Schipkov

1. e4 e5 2. Nf3 Nc6 3. d4
The Scotch Game.
3...exd4 4. Nxd4 Bc5








   
5. Be3
In the game Muzychuk,M - Koneru,H, Sochi 2015 (tiebreak, game 1) White played 5. Nb3 Bb4+ 6. c3 Be7 7. f4 d6 8. N1d2 d5 9. e5 d4 10. Nf3 (10. Qc2) 10...dxc3 11. Qxd8+ Nxd8 12. bxc3 Nh6 13. Bd3 O-O 14. Be3 f6, and here the simple 15. O-O is better, with a small edge to White.
5...Qf6 6. c3 Nge7 7. g3 d5 8. Bg2 dxe4 9. O-O O-O 10. Nd2 Bb6 11. Re1!? Nxd4 12. Nxe4








   
12...Qf5!?
An interesting response. Also possible is 12...Qg6, e.g. Ivanchuk V - Leko P, Morelia/Linares 2007.
13. Bxd4 Nc6 14. Bxb6 axb6








   
15. f4!?
A novelty, White weakens the kingside, but plans to attack on the black monarch after h3 and g4. After 15. Qd2 h6 16. h3 Rd8!? (16...Qe5 17. f4 Qb5 18. g4 Rd8 19. Qc2 Be6 20. b3 Bd5 21. Kh2 Bxe4 22. Bxe4 Qc5 23. Kg3 1/2, a draw in Staf, G - Hitzegrad, J, ICCF email 2007) 17. Qe3 Qe6 18. f4 Qc4 19. b3 Qd3 20. Qxd3 Rxd3 21. Bf1 Rd8 22. Re2 Be6=, with equality, 23. Rc1 f5 24. Nf2 Kf7 25. Rce1 Bd5 26. g4 g6 27. Kh2 Kf6 1/2, a draw in Staf, G -Salzmann, S, ICCF email 2007.
15...Be6 16. b3 h6 17. h3
If 17. Qd2 then 17...Rfd8 18. Qb2 b5 19. Rad1, with equality.
17...Ra3!
A strong continuation. Black intends to attack the a2 pawn on the queenside.
18. Qd2 Qa5! 19. b4! Qa4








   
20. g4!
The best reply. Black develops the initiative on the queen's wing, therefore White attacks on the king's wing.
20...Rd8! 21. Qf2 Rxa2 22. Rxa2 Bxa2 23. b5








   
23...Na7
This is a bad place for the knight. Now Black can play 23...Ne7!? 24. f5 Bd5 to trade pieces, 25. Qf4 Bxe4 (25...Qxb5 26. Qxc7) 26. Qxe4 Qxe4 27. Bxe4 Kf8, but White has counterchances in this endgame after 28. Ra1.
24. g5!
Logical! Mariya Muzychuk storms the kingside.
24...hxg5 25. Nxg5 f6?
A serious error: Black weakens her kingside. Correct is 25...Rd1! Black trades the aggressive white rook, 26. Qd2 Rxe1+ 27. Qxe1 Qxb5 28. Qd2 Qb1+ 29. Kh2 g6 30. Be4 Qa1 31. Qd8+ Kg7 32. Qd4+, a draw by perpetual check.









   
26. Qd2!!
A beautiful queen sacrifice! If Black takes the queen 26...Rxd2 then 27. Re8# checkmate.
26...Rf8 27. Bd5+ Bxd5 28. Qxd5+ Kh8








   
29. Qf7!!
Great! Again a beautiful queen sacrifice! The future World Chess Queen, 15th Women's World Chess Champion Mariya Muzychuk wins the game, then wins the tiebreak, semifinal and final. If now 29....Rd8 then 30. Qe8+ Rxe8 31. Rxe8# checkmate. Or 29...Rxf7 30. Re8+ Rf8 31. Rxf8# checkmate.
Black resigned. 1-0










Move
   

Muzychuk, Mariya (2526) - Koneru, Humpy (2581) [C45]
Women's World Chess Championship KO/Sochi (4.1) 2015

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 d5 8. Bg2 dxe4 9. O-O O-O 10. Nd2 Bb6 11. Re1 Nxd4 12. Nxe4 Qf5 13. Bxd4 Nc6 14. Bxb6 axb6 15. f4 Be6 16. b3 h6 17. h3 Ra3 18. Qd2 Qa5 19. b4 Qa4 20. g4 Rd8 21. Qf2 Rxa2 22. Rxa2 Bxa2 23. b5 Na7 24. g5 hxg5 25. Nxg5 f6 26. Qd2 Rf8 27. Bd5+ Bxd5 28. Qxd5+ Kh8 29. Qf7 1-0


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© 2015 Boris Schipkov