Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 a6 8. O-O O-O
9. Ne1 Nbd7 10. Nd3 Rb8 11. a4 Ne8 12. Be3 a5 13. Qd2 Qe7 14. Rae1 f5 15. f4
exf4 16. Bxf4 fxe4 17. Bf3 Bd4+ 18. Kh1 Ne5 19. Rxe4 Bf5 20. Bg5 Qg7 21. Nxe5
Bxe4 22. Ng4 Bxf3 23. gxf3 Nf6 24. Bh6 Qf7 25. Bxf8 Nxg4 26. Bxd6 Rd8 27. Bg3
Ne3 28. Rf2 Nxc4 29. Qg5 Re8 30. Re2 Rxe2 31. Nxe2 *
Position (FEN): 6k1/1p3q1p/6p1/p1pP2Q1/P1nb4/5PB1/1P2N2P/7K b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 513
Best move: Qxf3#