Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Two_Knights_Defense
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Na5 6. Qe2 Nxc4 7. Qxc4 Nxd5
8. d3 h6 9. Nf3 Nb6 10. Qe4 Bd6 11. Nc3 O-O 12. O-O Re8 13. Nd5 *
Position (FEN): r1bqr1k1/ppp2pp1/1n1b3p/3Np3/4Q3/3P1N2/PPP2PPP/R1B2RK1 b - - 9 13
Black to move.
Themes:  Opening  
Puzzle rating: 1684
Best move: f5