Chess puzzle (Checkmate)
Moves: 1. e3 e5 2. b3 d5 3. Bb2 Nc6 4. Bb5 Ne7 5. Nf3 a6 6. Bxc6+ Nxc6 7. Nxe5 Qf6 8.
Nd3 Qg5 9. Qf3 Be6 10. Nf4 Ne5 11. Qe2 Bd6 12. Nc3 Bg4 13. f3 Bd7 14. Ncxd5 Bb5
15. c4 Bc6 16. O-O-O Bxd5 17. Nxd5 b5 18. f4 Qg4 19. Qf1 Nc6 20. c5 Bxc5 21.
Nxc7+ Ke7 22. Nxa8 Qc8 23. Bxg7 Ba3+ 24. Bb2 Nb4+ 25. Kb1 Qc2+ 26. Ka1 *
Position (FEN): N6r/4kp1p/p7/1p6/1n3P2/bP2P3/PBqP2PP/K2R1Q1R b - - 6 26
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 953
Best move: Qxb2#