Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nimzowitsch_Variation
Moves: 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c3 Nc6 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6
Qxd6 9. O-O Be6 10. Na3 dxc3 11. Nb5 Qxd1 12. Rxd1 Bxb3 *
Position (FEN): r3kb1r/pp2pppp/1nn5/1N6/8/1bp2N2/PP3PPP/R1BR2K1 w kq - 0 13
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 854
Best move: Nc7#