Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 d5 7. Bg5 dxc4 8.
Nxc6 Qxd1+ 9. Rxd1 bxc6 10. e5 Nd5 11. Bxc4 Bb4 12. O-O Nxc3 *
Position (FEN): r1b1k2r/p4ppp/2p1p3/4P1B1/1bB5/2n5/PP3PPP/3R1RK1 w kq - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 583
Best move: Rd8#