1. Bg2! 1. Bxb7? Bf1= 1... Kc8 2. Kc5! Kb8 3. Kd6!! 3. Nb4 Bh7 4. Kd6 a5!= 3... Kxa8 3... Bc4 4. Nb4! a5 5. Nb6 4. Nb4! Bb5 4... Be2 5. Kc7 a5 6. Bxb7+ Ka7 7. Nc6# 5. Na6!! Bxa6 5... Bc6 6. Bxc6 bxc6 7. Kc7 g2 8. Kc8 g1=Q 9. Nc7# 6. Kc7! Be2 7. Bxb7# 1-0