Alekseev was pressing hard in a slightly better position. Morozevich made a fatal blunder on move 48…f6?? and lost shortly later.
GM Alekseev (2714) – GM Morozevich (2751) [B17]
Biel (6), 25.07.2009
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.c3 Bg4 8.h3 Bh5 9.g4 Bg6 10.Ne5 Be4 11.f3 Bd5 12.Be3 g6 13.c4 Be6 14.Qd2 h5 15.Rg1 hxg4 16.hxg4 Nd7 17.Nxd7 Qxd7 18.0–0–0 Rd8 19.Rg2 Bg7 20.Rh2 Qd6 21.Rxh8+ Bxh8 22.Qc2 a6 23.Be2 b5 24.Kb1 bxc4 25.Bxc4 Bd5 26.Qe2 Qe6 27.Bxd5 Rxd5 28.Qh2 Bf6 29.Bc1 c5 30.Qb8+ Rd8 31.d5 Qe2 32.Qb3 c4 33.Qa4+ Kf8 34.Rd2 Qxf3 35.Qxc4 a5 36.a3 Qh1 37.Qd3 Kg8 38.Rd1 Qg2 39.Qc4 Qf3 40.Rd3 Qf1 41.Ka2 Qe2 42.g5 Be5 43.Kb1 e6 44.dxe6 Kg7 45.e7 Re8 46.Qd5 Rxe7 47.Re3 Qh2 48.Bd2 f6?? 49.gxf6+ Kxf6 50.Qf3+ Kg7 51.Bc3 Qg1+ 52.Ka2 Qg5 53.Rxe5 Rxe5 54.Qd5 Kf6 55.Qd6+ White wins 1–0
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Nice game by Alekseev.
What was better than f6? I thought black was already in some trouble.
The blunder was 41… e6?? in a position that was better for black who played very well till then.
But he missed 42.d5xe6!.
48… f6 is desesperation in a almost lost position. The a5 pawn is going to fall and the Be5 is pinned and in great danger.
I think that white will win even whithout 48… f6. Ex: 48… Kf8 49 Qxa5 etc…
For what it’s worth, Rybka was recommending 48 f6