Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 Nf6 4. d5 Ne7 5. Nc3 d6 6. Be2 c6 7. Bg5 h6 8. Bxf6
gxf6 9. dxc6 bxc6 10. Qd2 Bb7 11. Rd1 d5 12. exd5 cxd5 *
Position (FEN): r2qkb1r/pb2np2/5p1p/3pp3/8/2N2N2/PPPQBPPP/3RK2R w Kkq - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 968
Best move: Bb5+