Monday, 8 February 2021

Knight v Bishop (part 25)

Black has just captured on c5 in Spanton (156) - A Cohen (166), Highbury (London) Rapid 1991. Who stands better, and by how much?
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Black is winning, according to the analysis engines Stockfish12 and Komodo11.01.
34.Ne3
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34...Bd4?!
Black has many good moves, but this is probably not one of them. Best, according to the engines, is 34...Bxe3 35.fxe3 Kd6 36.Kc2 Kc5 37.Kc3 f6 38.Kb3 f5 39.exf5 gxf5 40.h4 f4 41.exf4 exf4 42.Kc3 h5, when White is in zugzwang. That is a long line but fairly straightforward.
35.f4
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35...Bxe3?
Capturing on e3 is no longer so good. The engines like 35...Bc5, with the better game for Black, but not necessarily winning.
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36.fxe3?
Losing, whereas 36.Kxe3 is dead-equal, according to the engines.
36...Kd6
After 36.Kxe3, playing 36...Kd6 is nothing for Black thanks to 37.fxe5+ Kxe5 38.f4+.
37.Kc3
No better is 37.fxe5+ Kxe5, when Black has all the reserve tempi he could possibly need.
37...Kc5 38.h4
Or 38.fxe5 g5 etc.
h6 39.Kb3 0-1
I resigned without waiting to see 39...exf4 40.exf4 Kd4 etc.

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