Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 g6 3. e4 c5 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 a6 12. f3 Nd7 13. Nd5 Re8 14. O-O Rc8
15. Rfd1 Bxd5 16. cxd5 Rxc1 17. Rxc1 Qb8 18. Kf2 Rc8 19. f4 Rc7 20. Rxc7 Qxc7
21. b3 Kf8 22. h4 Nf6 23. Bf3 h5 24. Bd4 Ne8 25. Be3 Qc3 26. Qe2 Nf6 27. Qc4
Qb2+ 28. Qe2 Qb1 29. Bb6 Ng4+ 30. Bxg4 hxg4 31. Qxg4 Qxe4 *
Position (FEN): 5k2/1p2ppb1/pB1p2p1/3P4/4qPQP/1P6/P4KP1/8 w - - 0 32
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 660
Best move: Qc8#