Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8.
exd5 Nb8 9. a4 a6 10. Na3 Be7 11. Nc4 Nd7 12. a5 b5 13. axb6 Nxb6 14. Na5 O-O
15. Be2 Bg5 16. Nc6 Qf6 17. O-O Bxc1 18. Rxc1 Bb7 19. Ra1 Rfc8 20. c4 Bxc6 21.
dxc6 e4 22. c5 dxc5 23. Bxa6 Rxc6 24. Bb7 Rxa1 25. Qxa1 Re6 26. Re1 h6 27. Rxe4
Rxe4 28. Bxe4 Qd4 29. Bf3 Nc4 30. Qa8+ Kh7 31. b3 Nd2 32. g3 Nxb3 33. Be4+ g6
34. Qb7 Nd2 35. Qxf7+ Qg7 36. Bxg6+ Kh8 37. Qe8+ Qg8 38. Qe5+ Qg7 39. Qxc5 Qa1+
40. Kg2 *
Position (FEN): 7k/8/6Bp/2Q5/8/6P1/3n1PKP/q7 b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 810
Best move: Qf1#