Queen for a Horse

Andreikin,Dmitry (2580) - Riazantsev,Alexander (2638) [B14]
9th European Individual Ch (m) round 7 Plovdiv BUL (7.23), 27.04.2008
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Qc2 Nc6 9.Bc4 0–0 10.0–0 Nce7 11.Nxd5 Nxd5 12.Qe4 Be7 13.Bd3 Nf6 14.Qh4 Bd7 15.Ne5 Bc6 16.Re1 g6 17.Bh6 Re8 18.Qf4 Bd6 19.Rad1 Bxe5 20.dxe5 Nh5 21.Qg4 Qa5 22.b4 Qxa2 23.Qg5 Rec8 24.Re3 Rd8

A nice queen sacrifice withdrew from my attention. Good thing is that I am regular "Chess Today" reader and my collegues showed me the game. 25.Qxh5 gxh5 [25...Rxd3 26.Rexd3 gxh5 27.Rd8+ Be8 28.Rxa8 Qa4 29.Rc1 f6 30.exf6 Kf7±] 26.Rg3+ Kh8 27.Bg5 Kg7 28.Bxd8+ [28.Be7+ Kh6 29.Bg5+ Kg7 30.Be7+ is only a draw.] 28...Kf8 29.Bf6 h4 [29...Qa4 30.Rc1 h4 31.Rg7 Qa3 32.Rd1 Qa4 33.Rb1 Rc8 34.Rxh7 Ke8 35.Rxh4² White's king is safer, and he has enough matherial for the queen. His further plan is simple-he will simply push the "h" pawn into queen. According to Alex Baburin all the three results are possible. But my opinion is that it is much easier to play this position as White.] 30.Rg7

30...Qb3? The crucial mistake. Now the rook will control the "d" line and Black's king will lack escape squares. [30...Qa4 31.Rb1 (31.Rd2?? Qa1+ 32.Bf1 Bb5–+) 31...Rc8 32.Rxh7 Ke8 33.Rxh4 would transpose into the previous line.] 31.Rd2 Qc3 32.Rxh7 Ke8 33.Rd1 Qd4 [33...Rc8 34.Bb5 Qxb4 35.Rh8+ Qf8 36.Rxf8+ Kxf8 37.Bxc6+-; 33...Bd5 does not help either- 34.Bb5+] 34.Rh8+ Kd7 35.Rxa8 Bd5 and not waiting for mate, Black resigned.[35...Bd5 36.Bb5+ Kc7 37.Bd8#] 1–0

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