Chess puzzle (Checkmate)
Opening: Tarrasch_Defense, Tarrasch_Defense_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c5 4. dxc5 Bxc5 5. cxd5 exd5 6. Qxd5 Qxd5 7. Nxd5 Ne7
8. Nc7+ Kd8 9. Nxa8 Na6 10. Bd2 Bf5 11. O-O-O Nd5 12. Nf3 Ke7 13. e3 Ndb4 14.
Bxa6 *
Position (FEN): N6r/pp2kppp/B7/2b2b2/1n6/4PN2/PP1B1PPP/2KR3R b - - 0 14
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1479
Best move: Nxa2#