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| White to play and draw in Spanton (-) - P Hughes (129), Portsmouth Minor 1982 |
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57.Ke3??
As I suspect most people reading this blog will know, White needs to take the opposition in such positions. The point is that after 57.Kd3, the black king cannot advance. So Black's only way to try to make progress is to advance the h pawn, eg 57..Ke5 58.Ke3 Kf6 59.Kf3 Kg6 60.Kg3 h5 61.gxh5+ Kxh5. But this is no good as Black can only win, when the pawn in his own half of the board, by getting his king two squares ahead of it. For a full explanation, see https://beauchess.blogspot.com/2020/02/the-power-of-two-squares.html
After the text, Black wins trivially because White ends up in zugzwang - ie cannot avoid making a move that weakens his position.
The game finished:
57...Ke5 58.Kf3 Kd4 59.Kf2 Ke4 60.Kg3 Ke3 61.Kg2 Kf4 0-1
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