Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. c4
Be7 9. Nc3 Bd7 10. b3 Nc6 11. Nxc6 Bxc6 12. Bb2 O-O 13. Rae1 Rac8 14. Kh1 Rfd8
15. Bb1 b5 16. cxb5 axb5 17. Nxb5 Qb7 18. Nd4 Bd7 19. f4 d5 20. e5 Ne4 21. f5
Bb4 22. Rc1 Rxc1 23. Rxc1 exf5 24. Rf1 g6 25. Qd3 Rc8 26. Ne2 Bb5 27. Qe3 Nd2
28. e6 f6 29. Qd4 Qe7 30. Nf4 Nxf1 31. Nxd5 Qxe6 32. Nxf6+ Kg7 33. Qxb4 Qe2 34.
Qd4 Ne3 35. Ng4+ Kf7 36. Qg7+ Ke8 37. Nf6+ Kd8 38. Qf8+ Kc7 39. Be5+ Kb6 40.
Qd6+ Rc6 41. Nd7+ Ka7 42. Qb8+ Ka6 *
Position (FEN): 1Q6/3N3p/k1r3p1/1b2Bp2/8/1P2n3/P3q1PP/1B5K w - - 19 43
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1150
Best move: Qa8#