Win
Section B.1.
Leonard Katsnelson & Vladimir Katsnelson (Russia)
wKh2,Pa6,f5,g6/bKh8,Be1,Rb1,Pa5,f7,g7,h5
1.a7 fxg6
1…Rb2+ 2.Kh1 fxg6 3.fxg6 Bg3 4.a8Q+ Rb8 5.Qf3 h4 6.Qh5+ Kg8 7.Qh7+ Kf8 8.Qh8+ Ke7 9.Qxb8+-
2.fxg6
2.a8Q+? Kh7 3.fxg6+ Kh6 4.Qh8+ Kxg6 5.Qe8+ Kf5 6.Qf7+ Ke5 7.Qa2 Rb4 8.Qa1+ Kf5 9.Qxe1 g6=
2…Bg3+ 3.Kxg3 Rg1+ 4.Kh4!
4.Kh3? Rxg6 5.a8Q+ Kh7 6.Qe4 Kh6=
4…Rh1+ 5.Kg5 Rg1+ 6.Kxh5 Rh1+ 7.Kg4 Rg1+ 8.Kh3!
8.Kh4? Rh1+ 9.Kg3 Rg1+ 10.Kh2 Rxg6 11.a8Q+ Kh7 12.Qe4 a4 13.Kh3 a3 14.Kh4 a2=
8…Rxg6 9.a8Q+ Kh7 10.Qe4 a4 11.Kh4 Kh6 12.Qf5 Rf6 13.Qh5#