Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 d5 3. e3 Nc6 4. a3 Bg4 5. Be2 Bxe2 6. Qxe2 e6 7. Nf3 Be7 8.
Nc3 a6 9. Ne5 Nxe5 10. dxe5 Nd7 11. Qg4 g6 12. h4 h5 13. Qg3 Bf8 14. O-O-O Qe7
15. Bg5 Qc5 16. e4 Be7 17. exd5 Bxg5+ 18. f4 Bh6 19. dxe6 fxe6 20. Qxg6+ Kd8
21. Qxe6 Qe7 22. Qd5 Bxf4+ 23. Kb1 Bxe5 24. Qxb7 Rb8 *
Position (FEN): 1r1k3r/1Qpnq3/p7/4b2p/7P/P1N5/1PP3P1/1K1R3R w - - 1 25
White to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1501
Best move: Qxb8#