1. Rd3+!

( 1. dxc6? Kxc3 2. cxb7 ( 2. c7 a2 3. c8=Q a1=Q+ 4. Kb6 Qa6+ 5. Kc7 Qc6+ 6. Kb8 Qxc8+ 7. Kxc8 Kd4 8. h4 c4 ) 2... a2 3. b8=Q a1=Q+ 4. Kb6 Qb1+ 5. Kc7 ( 5. Ka7 Qa2+ 6. Kb7 Qd5+ 7. Kc8 ( 7. Kb6 Qe6+ 8. Kxc5 Qc4+ 9. Kb6 Qb4+ 10. Kc7 Qf4+ ) 7... Qf5+ 8. Kd8 Qf8+ 9. Kc7 Qf4+ 10. Kb7 Qe4+ ) 5... Qh7+ ( 5... Qxb8+? 6. Kxb8 Kd4 7. h4 c4 8. h5 Ke5 9. h6 Kf6 10. e4 Kg6 11. e5 Kxh6 12. e6 Kg7 13. Kc8 c3 14. e7 c2 15. e8=Q c1=Q+ 16. Kd8 Qg5+ ( 16... Qd2+ 17. Qd7+ ) 17. Qe7+ ) 6. Kd6 Qxh2+ 7. g3 Qxf2 ) ( 1. Rxa3? Ra6+ 2. Kb5 Rxa3 3. e4 ( 3. d6 Kxe2 4. g4 Kxf2 5. g5 Kf3 ) 3... Kd3 4. e5 Kd4 5. d6 Kxe5 6. Kxc5 Rc3+ ) ( 1. Rb3? Ra6+ 2. Kb5 a2 3. Rb2+ Kc3 4. Rxa2 Rxa2 5. Kxc5 Rxe2 6. h4 Rxf2 7. g4 Rf4 8. d6 Rxg4 9. d7 Rg8 )

1... Kxe2

( 1... Kc2 2. dxc6 a2 3. Ra3 )

2. Re3+!

( 2. dxc6? Kxd3 3. cxb7 a2 4. b8=Q a1=Q+ 5. Kb6 Qb1+ 6. Kc7 Qxb8+ 7. Kxb8 c4 )

2... Kxf2 3. Rf3+! Kxg2 4. Rg3+! Kxh2 5. dxc6 Kxg3 6. cxb7 a2 7. b8=Q+ 1-0