Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 Bg4 5. exd6 Bxd6 6. Be2 Nf6 7. e5 Nxe5 8.
Nxe5 Bxe2 9. Qxe2 O-O 10. Nd3 Bb4+ 11. c3 Re8 12. Be3 Bc5 13. O-O Bxe3 14. fxe3
Nd5 15. e4 Nf6 16. Nd2 Qe7 17. Rae1 Rad8 18. Nf2 Qc5 19. Nf3 Nxe4 20. Nd4 Nf6
21. Qc2 Qc4 22. b3 Qa6 23. Rxe8+ Rxe8 24. c4 Qb6 25. Rd1 *
Position (FEN): 4r1k1/ppp2ppp/1q3n2/8/2PN4/1P6/P1Q2NPP/3R2K1 b - - 2 25
Black to move.
Themes:  Middlegame  
Puzzle rating: 1633
Best move: Qxd4