Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nf6 8.
Nxc6 bxc6 9. e5 Nd5 10. Nxd5 cxd5 11. Qxd5 Rb8 12. O-O Rxb2 13. Rab1 Bb7 14.
Qc5 Rxb1 15. Rxb1 Qa8 16. Qc7 Bxg2 17. Rb8+ Qxb8 *
Position (FEN): 1q2k2r/2Qpppbp/p5p1/4P3/8/4B3/P1P1BPbP/6K1 w k - 0 18
White to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 861
Best move: Qxb8#