Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. f4 d5 3. e5 Ne7 4. Nf3 Nf5 5. d4 c5 6. c3 Qb6 7. Bd3 Nc6 8. Bxf5
exf5 9. Qd3 cxd4 10. cxd4 Bb4+ 11. Nc3 O-O 12. Bd2 a6 13. a3 Be7 14. O-O Be6
15. b4 a5 16. b5 Na7 17. a4 Qc7 18. Rac1 Qd7 19. Kh1 b6 20. Rg1 h6 21. Ne2 f6
22. Ng3 Rac8 23. Rxc8 Rxc8 24. Rc1 Rxc1+ 25. Bxc1 Qc7 26. Ne2 Nc8 27. Nd2 Bd8
28. Qe3 Ne7 29. exf6 gxf6 30. Qxe6+ Kg7 31. Qe3 Ng6 32. g3 Be7 33. Qc3 Qd6 34.
Qc6 Qb4 35. Qxb6 Qxa4 36. Qc6 Qd1+ 37. Ng1 Bb4 38. Nf3 Be1 39. Nxe1 Qxe1 40.
Kg2 Qe4+ 41. Kh3 Qe1 42. b6 *
Position (FEN): 8/6k1/1PQ2pnp/p2p1p2/3P1P2/6PK/7P/2B1q1N1 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1442
Best move: Qf1#