Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Bg4 8. h3
Bh5 9. g4 Bg6 10. Bd3 Qa5 11. Bd2 Qb6 12. O-O Nc6 13. Be3 Qc7 14. Nd5 Nxd5 15.
exd5 Bxd3 16. Qxd3 Nb4 17. Qb3 a5 18. c3 Nd3 19. Bb6 Qd7 20. c4 Be7 21. Qxd3
O-O 22. Rfc1 f5 23. gxf5 Rxf5 24. c5 dxc5 25. Bxc5 Bxc5 26. Rxc5 Raf8 27. Nh2
Qe7 28. Rac1 Rxf2 29. Rc7 Qg5+ 30. Ng4 R2f3 31. Qc4 Qh4 32. d6+ Kh8 33. Qc2
Rg3+ 34. Kh1 Qxh3+ 35. Nh2 Rgf3 36. Rc8 h6 37. Rxf8+ Rxf8 38. Qg2 Qd3 39. Rc7
Qxd6 *
Position (FEN): 5r1k/1pR3p1/3q3p/p3p3/P7/8/1P4QN/7K w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 724
Best move: Qxg7#