Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 e5 8.
Nf5 h6 9. Bh4 g6 10. Ne3 Qb6 11. Ned5 Nxd5 12. Nxd5 Qxb2 *
Position (FEN): r1b1kb1r/1p1n1p2/p2p2pp/3Np3/4P2B/8/PqP1QPPP/R3KB1R w KQkq - 0 13
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1084
Best move: Nc7#