Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. Nc3 Bb4 5. exd5 Qxd5 6. Be3 Bg4 7. dxe5 Bxc3+
8. bxc3 Qe4 9. Bd3 Qd5 10. O-O Nxe5 11. Be2 Nxf3+ 12. Bxf3 Bxf3 13. Qxd5 *
Position (FEN): r3k1nr/ppp2ppp/8/3Q4/8/2P1Bb2/P1P2PPP/R4RK1 b kq - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1170
Best move: Bxd5