1. Qf7+ Kb2 2. Rg2+! 2. Qf6+? Kxb1 2... Qxg2 3. Qf2+ Kb3! 3... Qxf2 4. Qxb6+ 4. Qxg2? Rxb1+ 5. Kd2 Rb2+ 4. Qf7+? Kb4 5. Qf4+ Ka5 6. Qe5+ Ka6 7. Qxa1 a2 8. Kc1 Qf1+ 9. Kb2 Qxb1+ 10. Qxb1 axb1=Q+ 11. Kxb1 Kb5 4. Qe3+? Ka2 5. Qe6+ Kxb1 4... Ka2 4... Kc4 5. Qa6+ 5. Qe6+ Kxb1 6. Qb3+ Qb2 7. Qc4!! Ra2 8. Qb4! Ka1 9. Qc3! Kb1 10. Qb4! Qxb4 10... Ra1 11. Qc4 1/2-1/2