Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 d6 5. c4 Nbd7 6. Bd3 e5 7. dxe5 Bxf3 8.
Qxf3 Nxe5 9. Bxe5 dxe5 10. O-O Bc5 11. Nc3 O-O 12. Rad1 Qc8 13. Bf5 Qb8 14. Nd5
Nxd5 15. Qxd5 Rd8 16. Qxe5 Rxd1 17. Rxd1 Bd6 18. Qe4 Qd8 19. Bxh7+ Kh8 20. g3
g6 21. Bxg6 fxg6 22. Qxg6 Qg8 23. Qh5+ Qh7 24. Qd5 Rf8 25. Rd4 Qb1+ 26. Kg2
Qxb2 27. Rh4+ Kg7 28. Rg4+ Kf6 29. Qf3+ Ke7 30. Rg7+ Kd8 *
Position (FEN): 3k1r2/p1p3R1/1p1b4/8/2P5/4PQP1/Pq3PKP/8 w - - 8 31
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1315
Best move: Qa8#