Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. Bf4 e6 3. Nf3 Be7 4. e3 g5 5. Bg3 h5 6. h3 h4 7. Bh2 Qd7 8. Bd3 b6
9. Nbd2 Bb7 10. Be4 Bxe4 11. Nxe4 Nc6 12. Nexg5 Bxg5 13. Nxg5 O-O-O 14. Qf3 f5
15. Qe2 Nf6 16. O-O Kb8 17. a4 Rdg8 18. Nf3 Qg7 19. g3 hxg3 20. Bxg3 Rxh3 21.
Kg2 Rh7 22. Rh1 Ne4 23. Rxh7 Qxh7 24. Qe1 Qg7 25. Rd1 d5 26. Nd2 Na5 27. Nxe4
fxe4 28. b4 Nc4 29. a5 Kb7 30. axb6 cxb6 31. Ra1 Qf7 32. Ra2 Qf3+ 33. Kg1 Qf8
34. c3 Nd6 35. Qa1 Nb5 36. Qb2 Qc8 37. Qc2 Qxc3 38. Qa4 Qc4 39. Qa6+ Ka8 40.
Qxb6 Qxa2 *
Position (FEN): k5r1/p7/1Q2p3/1n1p4/1P1Pp3/4P1B1/q4P2/6K1 w - - 0 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1092
Best move: Qc6#