Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Bc4 Nb6 7. Bb3 d5 8.
exd6 Qxd6 9. Nf3 Bg4 10. Be3 Bxf3 11. Qxf3 Nxd4 12. Qxf7+ Kd8 13. Bxd4 Qxd4 14.
O-O Nd7 15. Rd1 Qg4 16. Be6 *
Position (FEN): r2k1b1r/pp1npQpp/4B3/8/6q1/8/PP3PPP/RN1R2K1 b - - 5 16
Black to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 509
Best move: Qxd1#