Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 Qd5 6. Nc3 Qe6+ 7. Qe2 Qxe2+
8. Nxe2 Bxd3 9. cxd3 Nf6 10. O-O Nbd7 11. Ned4 e5 12. Nf5 g6 13. Ne3 Bg7 14. d4
exd4 15. Nxd4 O-O 16. Re1 Rad8 17. b3 Nh5 18. Bb2 c5 19. g4 cxd4 20. gxh5 dxe3
21. Bxg7 Kxg7 22. fxe3 gxh5 23. Rf1 Rg8 24. Kh1 Kh8 25. Rac1 Rdf8 26. Rc7 Ne5
27. Rxb7 Rg7 28. Rxa7 Rfg8 29. Re7 Nf3 30. Rxf7 Rg1+ 31. Rxg1 *
Position (FEN): 6rk/5R1p/8/7p/8/1P2Pn2/P2P3P/6RK b - - 0 31
Black to move.
Themes:  Endgame Arabian Mate, Mate in 1 
Puzzle rating: 936
Best move: Rxg1#