Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Nxc6 Nxc6 6. c4 Bb4+ 7. Bd2 Qe7
8. Bd3 O-O 9. O-O d6 10. Nc3 f5 *
Position (FEN): r1b2rk1/ppp1q1pp/2np4/5p2/1bP1P3/2NB4/PP1B1PPP/R2Q1RK1 w - - 0 11
White to move.
Themes:  Opening  
Puzzle rating: 1369
Best move: Nd5