Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Mengarinis_Opening
Moves: 1. e4 e5 2. a3 Bc5 3. Nf3 Nc6 4. Nc3 Nf6 5. d3 d6 6. Nd5 Nd4 7. Nxd4 Bxd4 8. c3
Bc5 9. Bg5 Bxf2+ 10. Kxf2 Ng4+ 11. Kg1 Qxg5 12. Nxc7+ Kd7 13. Nxa8 *
Position (FEN): N1b4r/pp1k1ppp/3p4/4p1q1/4P1n1/P1PP4/1P4PP/R2Q1BKR b - - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 641
Best move: Qe3#