Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 g6 5. d3 Bg7 6. Bd2 Nf6 7. Nge2 b6 8.
O-O Bb7 9. f3 c5 10. Ng3 O-O 11. Nge4 Nbd7 12. Rb1 Ne5 13. Bb3 Qc7 14. f4 Neg4
15. h3 Nxe4 16. Nxe4 Bd4+ 17. Kh1 Ne3 18. Bxe3 Bxe3 19. Qf3 Bd4 20. c3 Bg7 21.
f5 Rad8 22. Rbd1 b5 23. fxg6 c4 24. gxf7+ Kh8 25. dxc4 bxc4 26. Bc2 Bd5 27. Qg4
Bxf7 28. Ng5 Rxd1 29. Rxd1 Bg6 30. Bxg6 hxg6 31. Rd4 *
Position (FEN): 5r1k/p1q1p1b1/6p1/6N1/2pR2Q1/2P4P/PP4P1/7K b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1221
Best move: Rf1#