Wednesday, August 9, 2017

Goganov-Alekseev 11-21-16 middlegame study

white to play and win      ( at 44. of game)

GM Goganov, Aleksey (2643) - GM Alekseev, Evgeny (2638)
12th Ugra Governor's Cup Khanty-Mansiysk RUS, 2016.11.21
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Bb4 5.Bg5 Nbd7 6.e3 c5 7.cxd5 exd5 8.dxc5 Qa5 9.Rc1 Bxc3+ 10.bxc3 O-O 11.Nd4 Re8 12.Be2 Ne4 13.Bf4 Qxc5 14.O-O Nb6 15.Bd3 Nc4 16.f3 Ned6 17.Qc2 h6 18.Qf2 
Ne5 19.Bc2 Ndc4 20.e4 dxe4 21.Bxe4 Ng6 22.Bg3 Nd6 23.Bxd6 Qxd6 24.Nb5 Qb8 25.Rfd1 Nf4 26.c4 Qe5 27.Nd6 Re7 28.c5 Qg5 29.Kh1
 f5 30.Bc2 Re2 31.Qg3 Rxg2 32.Qxg5 hxg5 33.Bb3+ Kh7 34.Nf7 b6 35.c6 Ba6 36.Bc4 b5 37.Bd3 Kg6 38.Ne5+ Kf6 39.Nd7+ Kg6 40.Ne5+ Kf6 41.Nd7+ Kg6 42.Rc5 Rxa2 43.Bxf5+ Kh5 here white should have played: 44.c7! Re8 45.Ne5 Bc8 46.Bg4+ Kh4 47.Rcd5 Rxe5 
48.Rxe5 Bxg4 49.fxg4 Rc2 50.Re7 Kxg4 51.Rg1+ Kf5 52.Rf7+ Ke6 53.Rxg7 b4 54.R1xg5 Kf6 55.Rg4 a5 56.Rg8 Rc1+ 57.Rg1 Rxc7 

58.Rf8+ Ke7  and white is 3.6 pts up and winning., according to Stockfish6.0

But white played in the game 44. Rg1 and only drew.

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