Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 exd4 6. Nxd4 Bd7 7. Nc3 Be7 8.
Re1 O-O 9. Qd3 Nxd4 10. Qxd4 Bxb5 11. Nxb5 a6 12. Nc3 Nd7 13. Be3 Bf6 14. Qd3
Ne5 15. Qe2 Re8 16. Rad1 b5 17. Bd4 Nc6 18. Be3 Bxc3 19. bxc3 Rxe4 20. Qf3 Qe8
21. Qg3 Na5 22. Bd2 Kh8 23. Qf3 d5 24. Rxe4 dxe4 25. Qf4 Nc4 26. Bc1 Nd6 27.
Ba3 Rd8 28. Re1 Nc4 29. Bc5 Qe5 30. Qxe5 Nxe5 31. f4 Ng4 32. h3 Nf6 33. Bd4 Re8
34. Kf2 Nd5 35. g3 h6 36. Rd1 e3+ 37. Ke2 c6 38. a4 f6 39. axb5 c5 40. Ra1 *
Position (FEN): 4r2k/6p1/p4p1p/1Ppn4/3B1P2/2P1p1PP/2P1K3/R7 b - - 1 40
Black to move.
Themes:  Endgame  
Puzzle rating: 1367
Best move: cxd4