Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Goring_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 Bb4 6. Nxc3 Nge7 7. O-O O-O 8.
Qb3 d6 9. Nd5 Nxd5 *
Position (FEN): r1bq1rk1/ppp2ppp/2np4/3n4/1bB1P3/1Q3N2/PP3PPP/R1B2RK1 w - - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1712
Best move: exd5