Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nh6 6. Bxh6 gxh6 7. Qb3 Na5 8. Bb5+
Bd7 9. Bxd7+ Qxd7 10. Qc2 Nc4 11. O-O Qb5 12. b3 Nb6 13. a4 Qa5 14. Nbd2 cxd4
15. b4 Qa6 16. Nxd4 Nc4 17. b5 Qb6 18. Nxc4 dxc4 19. a5 Qc5 20. b6 a6 21. Qa4+
Ke7 22. Rfd1 Qxe5 23. Qb4+ Kf6 24. Qxc4 Bd6 25. Nf3 Qh5 26. Rxd6 Rhg8 27. Qd4+
Ke7 28. Rd7+ Ke8 29. Rd1 Qg6 30. Rd8+ Rxd8 *
Position (FEN): 3rk1r1/1p3p1p/pP2p1qp/P7/3Q4/2P2N2/5PPP/3R2K1 w - - 0 31
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 624
Best move: Qxd8#