Chess puzzle (Advantage)
Moves: 1. d4 d6 2. c4 Nf6 3. Nc3 Bf5 4. Nf3 Nc6 5. a3 h6 6. e3 Qd7 7. Bd3 Bg4 8. O-O
h5 9. Re1 O-O-O 10. Be2 g6 11. b4 e5 12. b5 Ne7 13. Qa4 e4 14. Nd2 Bxe2 15.
Rxe2 h4 16. Qxa7 Qe6 17. Qa8+ Kd7 18. Qxb7 h3 19. g3 Qg4 20. b6 Rc8 21. a4 Nh5
22. a5 Nc6 23. bxc7 Rxc7 24. Qb5 Bg7 25. Re1 Rb8 26. Qd5 *
Position (FEN): 1r6/2rk1pb1/2np2p1/P2Q3n/2PPp1q1/2N1P1Pp/3N1P1P/R1B1R1K1 b - - 5 26
Black to move.
Themes:  Middlegame  
Puzzle rating: 2107
Best move: Nf6