1. Bc5! [1. Bd8? Kxa6 2. Bxf6 g4=] 1. ... Kxa6 2. Kf7 g4 3. Ke6! [3. Kxf6? g3! 4. Ke5 g2=] 3. ... g3 4. Kd5! Kb5 [4. ... g2 5. Kc6+-] 5. Kd4 f5 [5. ... g2 6. Kc3+-] 6. Kc3 f4 [6. ... Kc6 7. Be3+-] 7. Bd6+-