Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Bb5 Bd7 6. Nc3 Be7 7. O-O Nf6 8.
Re1 O-O 9. e5 dxe5 10. Bxc6 exd4 11. Bxd7 dxc3 12. bxc3 *
Position (FEN): r2q1rk1/pppBbppp/5n2/8/8/2P5/P1P2PPP/R1BQR1K1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1190
Best move: Nxd7