Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Nxd4 Bd7 6. Nc3 e5 7. Bxc6 bxc6 8.
Nf3 Nf6 9. Bg5 Bg4 10. h3 Bh5 11. Qd3 h6 12. Bh4 Be7 13. Bxf6 Bxf6 14. O-O-O
Bg5+ 15. Kb1 Be7 16. Rd2 O-O 17. Qa6 Qc7 18. Rhd1 Rfb8 19. g4 Bg6 20. Nxe5 Bf6
21. Nxg6 Bxc3 22. Rd3 Rxb2+ 23. Kc1 Rb1+ 24. Kxb1 Qb8+ 25. Kc1 *
Position (FEN): rq4k1/p4pp1/Q1pp2Np/8/4P1P1/2bR3P/P1P2P2/2KR4 b - - 2 25
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 996
Best move: Qb2#