Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. d5 Nb4 5. a3 Na6 6. Bxa6 bxa6 7. Nc3 Bb7 8. O-O
c6 9. Re1 Ne7 10. dxc6 Bxc6 11. Nd5 Nxd5 *
Position (FEN): r2qkb1r/p2p2pp/p1b2p2/3np3/4P3/P4N2/1PP2PPP/R1BQR1K1 w kq - 0 12
White to move.
Themes:  Opening  
Puzzle rating: 971
Best move: exd5