Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. O-O Nf6 5. d3 O-O 6. Be3 a5 7. Nbd2 c6 8. a4
Na6 9. c3 Be6 10. Bb3 Bxb3 11. Qxb3 Qc8 12. Nc4 b5 13. Nb6 Qb7 14. axb5 cxb5
15. Nxa8 a4 16. Rxa4 Rxa8 17. Raa1 Rb8 18. Ra5 Nc7 19. Rfa1 Ng4 20. Ra7 Qc6 21.
Ng5 Rf8 22. Nf3 Nxe3 23. fxe3 Qb6 24. Kf2 g5 25. h3 h5 26. g4 h4 27. R7a2 Ne6
28. Ke2 Nc5 29. Qc2 b4 30. Ra7 Bf6 31. c4 b3 32. Qd2 Qd8 33. Rf1 Bg7 34. Qa5
Qf6 35. Nxh4 Qh6 36. Nf5 Qxh3 37. Qe1 Qxg4+ 38. Kd2 Nxe4+ 39. dxe4 Qxe4 40.
Nxg7 *
Position (FEN): 5rk1/R4pN1/3p4/4p1p1/2P1q3/1p2P3/1P1K4/4QR2 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1094
Best move: Qc2#