1. Na2 1. Kf5? Kg8 2. Kg6 Kh8 3. h7 a2 4. Nxa2 patt! 1... Kf8 1... Kg8 2. Kg6 Kh8 3. Nb4 Kg8 4. h7+ Kh8 5. Nd3 a2 6. Ne5 a1=Q 7. Nf7# 2. Kf6 Kg8 3. Kg6 Kh8 4. Nb4 Kg8 5. h7+ Kh8 6. Nc6 a2 7. Ne5 a1=Q 8. Nf7# 1-0 [Kjell Persson]