Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O d6 5. c3 Bd7 6. d4 exd4 7. cxd4 Bb6 8.
Nc3 h6 9. Re1 Nge7 10. e5 dxe5 11. dxe5 O-O 12. Bc4 Bg4 13. a3 Qxd1 14. Nxd1
Bxf3 15. gxf3 Nxe5 16. Rxe5 Ng6 17. Re4 Rad8 18. Ne3 Rd6 19. Nf5 Rf6 20. Nh4
Nxh4 21. Rxh4 Rxf3 22. Rf4 Bxf2+ 23. Kg2 Rxf4 24. Bxf4 Bd4 25. Bxc7 Bxb2 26.
Rf1 Bf6 27. Bd6 Rd8 28. Bg3 Rd2+ 29. Kh3 h5 30. Rb1 g5 31. Rxb7 *
Position (FEN): 6k1/pR3p2/5b2/6pp/2B5/P5BK/3r3P/8 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 775
Best move: g4#