Section A1 Win
1.Ng8 !
( 1.Bd7+ ? Kb4 2.Nxe3 gxh6 = )
( 1.Nxe3 ? Rxc8 = )
1…e2 !
( 1…Rxg8 2.Bd7+ Kb4 3.Nxe3 Kc5 4.Kg5 Kd6 5.Bg4 Ke7 6.Kg6 +- )
( 1…g5+ 2.Kg4 +- )
2.Nc3+ Kb4 3.Nxe2 Rxg8 4.Bh3 !
( 4.Be6 ? Rb8 ! 5.Ng3 Rb6 = )
( 4.Bg4 ? g5+ = )
4…Kc5
( 4…g5+ 5.Kg4 +- )
( 4…Rf8 5.Ng3 Kc5 6.Nf5 Kd5 7.Nxg7 Ke5 8.Kg5 +- )
5.Ng3 Kd5
( 5…g5+ 6.Kg4 Kd6 7.h6 ! Ke7 8.Kh5 g4 9.Bxg4 Kf6
( 9…Kf7 )
( 9…Kf8 )
10.Ne4+ +- )
6.Nf5 Ke6 !?
( 6…Ke5 7.Kg5 Ra8 8.Nxg7 +- )
( 6…g5+ 7.hxg6 ! Rxg6
( 7…Ke5 8.Kg5 +- )
8.Ne7+ +- )
7.Nh6+ Ke7 8.Nxg8+ Kf7 9.Ne7 !
( 9.Kg5 ? Kxg8 = )
( 9.Be6+ ? Kxe6 10.Kg5 Kf7 11.Ne7 Kxe7 12.Kg6 Kf8 13.Kh7 Kf7 = )
9…Kxe7 10.Kg5 Kf7 11.Be6+ ! Kxe6 12.Kg6 +- 1-0