Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 h6 5. O-O Bc5 6. Be3 Bb6 7. Nc3 d6 8. Nd5
Be6 9. Nxb6 axb6 10. Bxe6 fxe6 11. c3 d5 12. Qb3 Qd6 13. exd5 exd5 14. d4 O-O-O
15. dxe5 Nxe5 16. Nxe5 Qxe5 17. Rfe1 Qd6 18. a4 Rhe8 19. a5 Ng4 20. g3 Nxe3 21.
fxe3 Re6 22. a6 Kb8 23. axb7 Kxb7 24. Qa4 Rb8 25. c4 dxc4 26. Qxc4 Qc6 *
Position (FEN): 1r6/1kp3p1/1pq1r2p/8/2Q5/4P1P1/1P5P/R3R1K1 w - - 1 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1272
Best move: Qa6#