Fundamentals (part 25)

Spanton (161) - Kenneth Norman (191)
Guernsey 1993

White to play and win

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36.g4?
It seems two moves win.
A) 36.e5, eg 36...c4 (if 36...Kd5 then 37.h5! followed by Kf5) 37.Ke4 c5 38.Kf4 h5 (38...Ke7 39.h5!) 39.Kg5 Kxe5 40.Kxg6 etc.
B) 36.c4!?, eg 35...bxc4 37.e5 Kf7 (37...Kd5 38.h5!) 38.Ke4 Ke6 39.h5! etc.
The game finished:
36...Kf6 37.h5 g5+ 38.Ke3 ½–½