Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. gxf3 Qe7 6. exd6 cxd6 7. Nc3 Nd7
8. Nd5 Qd8 9. Be3 Rc8 10. Bb5 a6 11. Bd3 Ne5 12. f4 Ng6 13. Qd2 N8e7 14. Nb6
Rc6 15. Nd5 Nxd5 16. exd5 Rc8 17. O-O-O Be7 18. Kb1 O-O 19. Bxg6 fxg6 20. Qb4
Bf6 21. Bb6 Qd7 22. Rhe1 Rfe8 23. Rxe8+ Rxe8 24. Bd4 Re4 25. c3 b5 26. Kc2 Re2+
27. Kb3 Qf5 28. Rc1 Bxd4 29. cxd4 Qd3+ 30. Rc3 *
Position (FEN): 6k1/6pp/p2p2p1/1p1P4/1Q1P1P2/1KRq4/PP2rP1P/8 b - - 2 30
Black to move.
Themes:  Endgame  
Puzzle rating: 890
Best move: Qd1+