Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4
Nbd7 9. Qe2 g6 10. b3 Bg7 11. Bb2 O-O 12. Nf3 Nb6 13. O-O Nxc4 14. bxc4 Ba6 15.
a4 bxa3 16. Nxa3 Rb8 17. Bc3 Qd7 18. Qc2 Qg4 19. Rfe1 Nh5 20. h3 Qd7 21. e5 Qf5
22. Qa4 Bc8 23. Nb5 Nf4 24. Re3 Bd7 25. Qb3 Bxb5 26. cxb5 Bh6 27. Rae1 Rb7 28.
Qc4 Rfb8 29. exd6 exd6 30. Re8+ Bf8 31. g4 Qd3 32. Qxf4 Qxc3 33. Ng5 Rxe8 34.
Rxe8 Qa1+ 35. Kg2 Qg7 36. Qxd6 Rxb5 37. Ne4 Rb4 38. Nf6+ Kh8 39. Rxf8+ Qxf8 *
Position (FEN): 5q1k/5p1p/3Q1Np1/2pP4/1r4P1/7P/5PK1/8 w - - 0 40
White to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 905
Best move: Qxf8#