Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 c6 6. Nge2 d6 7. d3 Be6 8. O-O
d5 9. exd5 cxd5 10. cxd5 Nxd5 11. a3 Nxc3 12. Nxc3 Bxc3 13. bxc3 Qc7 14. Bb2
Nc6 15. Qd2 Rad8 16. Qe3 b6 17. Rad1 Bb3 18. Rd2 Bd5 19. Bxd5 Rxd5 20. c4 Rd7
21. Re1 Re8 22. Qg5 f6 23. Qg4 Nd4 24. Bxd4 Rxd4 25. Qxd4 exd4 26. Rxe8+ Kf7
27. Rde2 Qc5 28. R8e7+ Kg6 29. Rxa7 b5 30. Ree7 bxc4 31. dxc4 Qxc4 32. Rxg7+
Kf5 33. Rxh7 Qc1+ 34. Kg2 Qc6+ 35. Kh3 Qe6 36. g4+ Kf4 37. Rhe7 *
Position (FEN): 8/R3R3/4qp2/8/3p1kP1/P6K/5P1P/8 b - - 2 37
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 857
Best move: Qxg4#