Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 g6 6. Nc3 d6 7. Bxc4 Bg7 8. f3
O-O 9. b3 Ba6 10. Nge2 Bxc4 11. bxc4 Na6 12. O-O Nb4 13. Qa4 Nd7 14. Rd1 Nb6
15. Qb3 Qd7 16. Bb2 Rfb8 17. Nb5 a6 18. Bxg7 Kxg7 19. Na3 Qa4 20. Qc3+ Kg8 21.
Rd2 a5 22. Rb1 Na6 23. Rdb2 Nb4 24. Nb5 Nd7 25. Qd2 Ne5 26. Nec3 Nxc4 27. Qe1
Nd3 28. Qf1 Ndxb2 29. Nxa4 Rxb5 30. Nxb2 Rxb2 31. Rxb2 Nxb2 32. Qb5 Nd1 33. h3
Nc3 34. Qb7 Re8 35. Qc7 Nxa2 36. Qxa5 Nb4 37. Qb5 Kf8 38. Kf2 h5 39. Qc4 Ra8
40. Qc3 Ra2+ 41. Kg3 Rc2 *
Position (FEN): 5k2/4pp2/3p2p1/2pP3p/1n2P3/2Q2PKP/2r3P1/8 w - - 6 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 888
Best move: Qh8#