Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 Qxc6 7. Bc4 Nf6
8. O-O Bxf2+ 9. Qxf2 Qxc4 10. Nc3 O-O 11. Qg3 Qd4+ *
Position (FEN): r1b2rk1/pppp1ppp/5n2/8/3qP3/2N3Q1/PPP3PP/R1B2RK1 w - - 4 12
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1158
Best move: Be3