Win
Section B.1.
Serhiy Didukh (Ukraine)
wKh3,Re1,g3,Pb4,d2,f3,g2,g5/bKh5,Qh7,Rh8,Pa3,d6,f6,f7,g6
1.Kh2!
1.Rg4? fxg5 2.Kg3 Kh6=
1…a2
1…fxg5 2.Rh3#
1…f5 2.Rg4! fxg4 3.f4 Qh6 4.Rh1 Qxg5 5.Kg3+ Qh4+ 6.Rxh4#
2.Rh1!
2.Kg1? Rb8! 3.Rh3+ Kxg5 4.Rxh7 Rxb4 5.Kf2 Rb1 6.Rhh1 a1Q=
2…a1Q 3.Rxa1 f5 4.Rg4!
4.Rh1? Kh4!=
4.Kg1? Qg7–+
4…fxg4 5.f4 Ra8! 6.Rh1! Ra3 7.d3!
Logical try 7.g3? Ra1 8.Rxa1 f5 9.Rh1 Qb7 10.b5 Qxh1+ 11.Kxh1 d5 12.b6 d4 13.b7 d3 14.b8Q stalemate.
7…Rxd3 8.g3 Rd1 9.Rxd1 f5 10.Rh1 Qb7 11.b5 Qf3 12.Kg1+ Qxh1+ 13.Kxh1 d5 14.b6 d4 15.b7 d3 16.b8Q d2 17.Qh8#
After A.Wotawa, Deutsche Schachzeitung 1962.