Nº6 Daniele Gatti

Win

Daniele Gatti (Italy)

wKg4,Pb2,b5,c3,c7,h4/bKa8,Bh1,Pb3,b7,e2,e7,f7,g5,h2,h6

1. b6!
The obvious try 1. c8=Q+? would only lead to a draw: 1. … Ka7 2. Qc5+ b6 3. Qxe7+ Bb7 4. Qa3+ Kb8 5. Qd6+ Ka7 6. Qa3+ (= perpetual check)

1. … Bf3+ 2. Kf5 Be4+ 3. Ke5
3. Kg4? h5+! 4. Kxg5 f6+! 5. Kf4 e5+! Promotion with check is now unavoidable [-+]; 5. Kh6 Bf5! Promotion square is guarded -+

3. … f6+ 4. Ke6 Bd5+ 5. Kd7 Be6+ White is now forced to accept sacrifice, otherwise the enemy Bishop will be able to control the c8 promotion square. 6. Kxe6 e1=Q+ 7. Kf7 Qe5 8. c8=Q+ Qb8 9. Qd7 Qh8 10. Qa4+ Kb8 11. Qa7+ Kc8 12. Qa8+ Kd7 13. Qxb7+ Kd6 14. Qc7+ Kd5 15. c4+! Preparatory move.
15. Qxh2? Qh7+ 16. Kf8 Qh8+ 17. Kxe7 Qg7+ 18. Kd8 [Cannot escape via e6] Qf8+ 19. Kc7 Qe7+ 20. Kc8 Qe8+ 21. Kb7 Qc6+ 22. Ka7 Qa4+ 23. Kb8 Qe8+ 24. Ka7 Qa4+ (= perpetual check))

15. … Kd4 16. Qxh2 e5 17. Qf2+ Kxc4 18. Qxf6 Qh7+ 19. Qg7 Qe4 20. Kg8! Qa8+ 21. Qf8
21. Kh7? Kb5! 22. b7 Qb8 23. hxg5 hxg5 24. Qd7+ Kb6 and passed pawn is lost =

21. … Qd5+ 22. Qf7 Qxf7+ 23. Kxf7 gxh4 24. b7 h3 25. b8=Q +-