(2) White - Black

Diagram

Example 8 from Chess Fundamentals by Capablanca, page 14 1.f5 [ 1.g5? g6=; 1.Ke4 Ke6 ( 1...g6 2.Kd4 Ke6 3.Kc5 Kf6 4.Kd6 Kf7 5.g5 Kg7 6.Ke7 Kg8 7.Kf6 Kh7 8.Kf7 Kh8 9.f5 gxf5 10.g6 f4 11.g7+ Kh7 12.g8Q+ Kh6 13.Qg6#) 2.f5+ Kf6 3.Kf4 g6 4.g5+ Kf7 5.f6 Ke6 6.Ke4 Kf7 7.Ke5 Kf8 8.f7 Kxf7 9.Kd6 Kf8 10.Ke6 Kg7 11.Ke7 Kg8 12.Kf6 Kh7 13.Kf7 Kh8 14.Kxg6 Kg8 15.Kh6 ( 15.Kf6? Kh7 16.g6+ Kh8 17.Kg5 Kg8=) 15...Kh8 16.g6 Kg8 17.g7 Kf7 18.Kh7+-] 1...g6 (Capablanca thought that after 1.f5 g6 draws.) 2.fxg6 Ke6 3.g5 [ 3.Ke4? Kf6 4.g7 Kxg7 5.Kf5 Kf7 6.g5 Kg7 7.g6 Kg8 8.Kf6 Kf8 9.g7+ Kg8 10.Kg6=] 3...Ke7 4.Ke5 Kf8 5.Kf6 Kg8 6.g7 Kh7 7.g8Q+ [ 7.g6+? Kg8=] 7...Kxg8 8.Kg6 Kf8 [ 8...Kh8 9.Kf7 Kh7 10.g6+ Kh8 11.g7+ Kh7 12.g8Q+ Kh6 13.Qg6#] 9.Kh7 1-0