Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O a6 5. Ba4 Bc5 6. d3 d6 7. c3 Bg4 8. Nbd2
O-O 9. Re1 b5 10. Bb3 Na5 11. Bc2 c6 12. b4 Ba7 13. bxa5 Qxa5 14. Bb2 Qb6 15.
Qe2 Rfd8 16. Nf1 d5 17. h3 Be6 18. Ne3 dxe4 19. dxe4 Bc4 20. Bd3 *
Position (FEN): r2r2k1/b4ppp/pqp2n2/1p2p3/2b1P3/2PBNN1P/PB2QPP1/R3R1K1 b - - 2 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 896
Best move: Bxd3