Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. c3 Bf5 6. Be2 a6 7. O-O Nc6 8.
Nbd2 e6 9. Nh4 Be4 10. Nxe4 Nxe4 11. Nf3 Bd6 12. Bd3 f5 13. Ne1 O-O 14. f3
Bxh2+ 15. Kxh2 Qh4+ 16. Kg1 Ng3 17. Nc2 Qh1+ 18. Kf2 Nxf1 19. Qxf1 Qh4+ 20. Ke2
e5 21. dxe5 Nxe5 22. Be3 Rae8 23. Kd2 f4 24. Bf2 Qf6 25. Nd4 Re7 26. Kc2 Rfe8
27. Rd1 b5 28. Qh1 h6 29. Bh4 g5 30. Bf2 Nc4 31. Kb1 Ne3 32. Rc1 Qb6 33. a3 a5
34. Bxb5 Rb8 35. a4 Nc4 36. Qg1 Qg6+ 37. Ka1 Qd3 38. Rd1 Qg6 39. Nc6 Qc2 40.
Rb1 Rxb5 41. Nxe7+ Kf7 42. axb5 *
Position (FEN): 8/4Nk2/7p/pP1p2p1/2n2p2/2P2P2/1Pq2BP1/KR4Q1 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1136
Best move: Qa4#