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| White has just captured on d1 in Spanton (1851) - Glenn L House (2188), Jersey 2018. Who stands better, and by how much? |
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Black is winning, according to the analysis engines Stockfish12 and Komodo11.01.
39...Bxb2
So natural, but the engines prefer 39...f6!? 40.gxf6+ Kxf6, and if 41.b3 then 41...Bc7, after which the black king invades the queenside.
40.f4
If 40.Kg2 then 40...Be5 followed by ...Bf4.
After the text, Black only has one winning move, it seems.
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40...e2!
40...Bc1 41.Be2 is equal, according to Stockfish12, or only slightly better for Black, according to Komodo11.01.
41.Bxe2 Bc1 42.f5 Bxg5 43.fxg6 fxg6 44.Kg2 Kf6 45.Kf3 Ke5 46.Bd3 Bc1 47.h3 g5
Black's ability to create a passed pawn on each flank means he is winning.
48.a4 Ba3 49.Ke3 Bc5+ 50.Kd2 Kf4 51.Be2 g4 52.hxg4 hxg4 53.Ke1 g3 54.Kf1 Kxe4 55.Kg2 Bd6 56.Bf1 Ke3 57.Kh3 Kd2 58.c5!? Bc7 59.Kg2 Kc3 60.Be2 Kb4 0-1
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