Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Schmidt_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Bc5 7. O-O d6 8.
h3 O-O 9. Bg5 h6 10. Bh4 Bd4 11. c3 Be5 12. Nd2 d5 *
Position (FEN): r1bq1rk1/p1p2pp1/2p2n1p/3pb3/4P2B/2PB3P/PP1N1PP1/R2Q1RK1 w - - 0 13
White to move.
Themes:  Opening  
Puzzle rating: 1895
Best move: f4