Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 h6 5. c3 Nf6 6. h3 Be7 7. Bf4 O-O 8. Be2
c5 9. b3 b5 10. Bxb5 Qa5 11. Be2 Ba6 12. O-O Re8 13. Bxa6 Qxa6 14. Be5 Nc6 15.
Bg3 Rad8 16. a4 Qa5 17. Re1 Ne4 18. Qd3 Nxg3 19. fxg3 cxd4 20. Nxd4 *
Position (FEN): 3rr1k1/p3bpp1/2n4p/q2p4/P2N4/1PPQ2PP/6P1/RN2R1K1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1457
Best move: Nxd4