Fundamentals (part 34)

David Barron (1966) - Spanton (2051)
Hastings 2006-07

Black has just captured on g6 - who stands better?

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No one, at least according to Stockfish10 and Komodo10. They reckon the position is dead-equal, but clearly one slip could radically change the assessment.
44.Ke5 Kf7
My original notes show Fritz9 and Junior10 wanted Black to play 44...Kh5. There seems nothing wrong with their suggestion, but Stockfish10 and Komodo10 both give the text.
45.b4 Ke7 46.Kf5 Kd6
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47.Kg6?
It seems 47.a3, 47.Ke4 and 47.Kf4 hold the balance.
47...Ke5
White is lost.
48.Kxg7 Kd4 49.c5 Kc4 50.a3
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50...a6
But White wins after 50...Kb3?? 51.b5.
51.Kf6 Kb3 52.Ke6 Kxa3 53.Kd6 Kxb4 54.c6 bxc6 55.Kxc6 a5 0-1