Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nxc6 bxc6 6. Bd3 d5 7. e5 Ne7 8.
O-O Ng6 9. f4 Bc5+ 10. Kh1 O-O 11. Nc3 Qh4 12. Rf3 f5 13. Rh3 Qg4 14. Qxg4 fxg4
15. Rg3 Nxf4 16. Rxg4 Nxd3 17. cxd3 *
Position (FEN): r1b2rk1/p5pp/2p1p3/2bpP3/6R1/2NP4/PP4PP/R1B4K b - - 0 17
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 931
Best move: Rf1#