1.Shg4!

1.Sf5? Rc6+ 2.Kb7 Rf6-+;

1.Sfg4? Re4 (1...Rg6? 2.Kd8 Be2 3.h3 Bf1 4.h4 Be2 5.h5 Rg5 6.Sf6=) 2.Sf2 Rc4+ 3.Kd8 Rf4 4.Shg4 Rf7 5.h3 Kb2 6.Se4 Rd7+ 7.Kc8 Rh7 8.Sgf2 Kb3 9.Sg5 Rh5 10.Sge4 Kb4 11.Kd8 Rh7 12.Sf6 Ra7! 13.S2e4 (13.h4 Kc5! 14.h5 Kd6 15.Se8+ Ke5! 16.Sg4+ Kf4 17.Sgf6 Kg5-+) 13...Bc6! 14.h4 Kc4! 15.h5 Kd4! 16.Sf2 Ke5-+

1...Ka2 2.h4!

2.Kb7? Kb3 3.h4 Kb4 4.Kc7 Kc5 5.Sf6 Re7+ 6.Kd8 Ra7 7.h5 Kd6 8.Se8+ Ke5 9.Sg4+ Kf4 10.Sgf6 Kg5-+;

2.h3? Kb3 3.h4 Re7+ 4.Kb6 Kc4 5.h5 Bd7 6.h6 Bf5-+

2...Ba4

2...Kb3 3.h5=;

2...Re7+ 3.Kb6

3.Kd6? Rh7-+

3...Be8 (3...Be2 4.h5=) 4.Kc5! Rc7+ 5.Kd6!

5.Kd5? Rh7 6.Sf6 Bf7+-+

5...Rh7 6.Sf6=

3.h5 Bc2 4.Sh3!

4.Kd7? Bf5-+

4...Bf5 5.Sg5!! Re7+

5...Ra6 6.Se3 Bb1 7.Sd5!= thr. 8.Sb4(c3)+

6.Kd6 Rg7

6...Rd7+ 7.Ke5 Bxg4 8.h6=

7.Ke5!

7.Sf6? Rxg5 8.Ke7 Rg7+!-+ (8...Rg1? 9.Kf7 Rc1 10.h6 Rc7+ 11.Kg8 Be6+ 12.Kh8 Kb3 13.h7 Rc8+ 14.Kg7= (14.Sg8? Bf5 15.Kg7 Rc7+-+) )

7...Bxg4 8.Kf6 Rg8 (8...Ra7 9.h6 Ra6+ 10.Kg7 Bf5 11.h7=) 9.h6 Bh5 10.h7 Rh8 11.Kg7=

11.Kf5? Rf8+ 12.Ke6 Bg6 13.Ke7 Rh8 14.Kf6 Bxh7 15.Kg7 Rg8+-+

7...Rxg5 8.Kf4!

8.Kf6? Rxh5-+
8...Rxh5 9.Sf6=