Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Steinitz_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Qd3 Nf6 6. Nd2 Ne5 7. Qe2 d5 8.
g3 Qg4 9. f3 Qg6 10. exd5 Bd6 11. f4 O-O 12. fxe5 Bxe5 13. N2f3 *
Position (FEN): r1b2rk1/ppp2ppp/5nq1/3Pb3/3N4/5NP1/PPP1Q2P/R1B1KB1R b KQ - 1 13
Black to move.
Themes:  Opening  
Puzzle rating: 1941
Best move: Bxd4