Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Potter_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8.
Be3 Nd4 9. Nxd4 Bxd4 10. Nd5 Nxd5 11. exd5 Bxb2 *
Position (FEN): r1b1k2r/pppp1ppp/5q2/3P4/8/4B3/PbP1QPPP/R3KB1R w KQkq - 0 12
White to move.
Themes: Discovered Attack Middlegame  
Puzzle rating: 1927
Best move: Bd4+