Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 Nc6 7. h3 e5 8. Be3
exd4 9. Nxd4 Bd7 10. O-O Qc8 11. Kh2 a6 12. a4 Rb8 13. f4 b5 14. axb5 axb5 15.
Ndxb5 Re8 16. Qc1 Nb4 17. Nd4 c5 18. Nde2 Bc6 19. Rd1 Nxe4 20. Nxe4 Bxe4 21.
Bxe4 Rxe4 22. Rxd6 Qe8 23. Ra3 Bxb2 24. Qxb2 Rxe3 25. Rxe3 Qxe3 26. c3 Nc6 27.
Qc2 Qf2+ 28. Kh1 Re8 29. Rd2 Qf3+ 30. Kg1 h5 31. h4 c4 32. Kh2 Qf2+ 33. Kh3 Re3
34. Qa4 Rf3 35. Qd1 Ne7 36. Rd8+ Kh7 37. Rd7 Re3 38. Rd8 Nf5 39. Qd7 Rxg3+ 40.
Nxg3 *
Position (FEN): 3R4/3Q1p1k/6p1/5n1p/2p2P1P/2P3NK/5q2/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 730
Best move: Qxg3#