Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 Qe7 8. Be2
O-O 9. O-O dxc4 10. bxc4 e5 11. Rd1 e4 12. Nd2 Re8 13. a4 Nf8 14. Qb3 Ng6 15.
Ba3 Rb8 16. Bxd6 Qxd6 17. c5 Qd7 18. Nc4 Qc7 19. Nd6 Re7 20. a5 a6 21. Qc2 Bg4
22. Bxg4 Nxg4 23. Ncxe4 Rbe8 24. Ng3 Rd8 25. Ngf5 Re6 26. h3 Nf6 27. Rab1 Rb8
28. Rb3 Ne7 29. Nxe7+ Rxe7 30. Rdb1 Qxa5 31. Rxb7 Rbxb7 32. Rxb7 Rxb7 33. Nxb7
Qe1+ 34. Kh2 g6 35. Qa2 a5 36. Nxa5 Ne4 37. Nxc6 Nxf2 38. Ne5 Qh1+ 39. Kg3 Ne4+
40. Kh4 Qe1+ 41. Kg4 *
Position (FEN): 6k1/5p1p/6p1/2P1N3/3Pn1K1/4P2P/Q5P1/4q3 b - - 7 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1411
Best move: Qg3#