Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Nge2 e5 6. Be3 Nf6 7. d5 Ne7 8. h3
O-O 9. g4 Nd7 10. Qd2 f5 11. gxf5 gxf5 12. Bh6 f4 13. Rg1 Ng6 14. Bxg7 Kxg7 15.
O-O-O a5 16. Kb1 Nc5 17. Nc1 Bd7 18. Nd3 Nxd3 19. Bxd3 b6 20. f3 Qh4 21. Nb5
Bxb5 22. cxb5 Qxh3 23. Qg2 Qxg2 24. Rxg2 Rf7 25. Rc1 Re8 26. Kc2 Kf6 27. Kd2
Ree7 28. Ke2 h5 29. Rcg1 Rg7 30. Rg5 h4 *
Position (FEN): 8/2p1r1r1/1p1p1kn1/pP1Pp1R1/4Pp1p/3B1P2/PP2K3/6R1 w - - 0 31
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1202
Best move: Rf5#