Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Anglo-Scandinavian_Defense
Moves: 1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. Ne5 Bh5 7. Qb3 Qb6 8.
Qxb6 axb6 9. Nb5 Na6 10. Bd2 e6 11. e3 Nb4 12. Nxc7+ Kd8 13. Nxa8 *
Position (FEN): N2k1b1r/1p3ppp/1p2pn2/4N2b/1n1P4/4P3/PP1B1PPP/R3KB1R b KQ - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 732
Best move: Nc2#