Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 Nf6 5. e5 Nfd7 6. Be3 cxd4 7. Bxd4 Be7 8.
Bd3 Nc6 9. Qe2 O-O 10. O-O-O a6 11. Kb1 b5 12. a3 Bb7 13. h4 b4 14. axb4 Nxb4
15. h5 a5 16. h6 g6 17. Na4 Bc6 18. Nc3 Nc5 19. Bb5 Bxb5 20. Nxb5 a4 21. Qd2
Qa5 22. Na3 Ne4 23. Qe1 Rab8 24. Nd2 Nc5 25. Bc3 Ne4 26. Nxe4 dxe4 27. Qxe4 Qb6
28. Rd7 *
Position (FEN): 1r3rk1/3Rbp1p/1q2p1pP/4P3/pn2Q3/N1B5/1PP2PP1/1K5R b - - 2 28
Black to move.
Themes:  Middlegame  
Puzzle rating: 1539
Best move: Nd5