Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. Bb5 a6 5. Bxc6+ bxc6 6. d4 cxd4 7. Nxd4 Bb7 8.
Be3 g6 9. Na4 Bg7 10. Nf3 c5 11. Qd2 Bxe4 12. Ng5 Bxg2 13. Rg1 Bc6 14. O-O-O
Bxa4 15. Qe2 Rb8 16. b3 Bb5 17. c4 Bc6 18. Bxc5 Nf6 19. Rxd6 Qc7 20. Rxc6 Qf4+
21. Kd1 Rd8+ 22. Kc2 Qf5+ 23. Kb2 Ne4+ 24. Ka3 Nc3 *
Position (FEN): 3rk2r/4ppbp/p1R3p1/2B2qN1/2P5/KPn5/P3QP1P/6R1 w k - 9 25
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 547
Best move: Qxe7#