Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nc3 Nc6 3. Nf3 Bb4 4. Bb5 Nd4 5. Nxd4 exd4 6. Ne2 c6 7. Bd3 b5 8.
a3 Bc5 9. c3 dxc3 10. dxc3 Nf6 11. Bg5 Bxf2+ 12. Kf1 Qb6 13. Bxf6 gxf6 14. Bc2
Qe3 15. Nd4 Qf4 16. Nf3 Bb6 17. g3 Qe3 18. Qe2 Qc5 19. Nd4 d6 20. Rd1 Qg5 21.
Qd2 Bh3+ 22. Kf2 c5 23. Qxg5 fxg5 24. Nxb5 O-O-O 25. Nxd6+ Kb8 26. e5 c4+ 27.
Kf3 g4+ 28. Kf4 f5 29. Bxf5 Rhf8 30. Ke4 Bg2+ 31. Kf4 Bxh1 32. Rxh1 h5 33. Nxc4
Rd3 34. Ke4 Rf3 35. Bg6 Bc7 36. Bxh5 Re8 37. Bxg4 Rf2 38. e6 Rh8 39. h3 Bxg3
40. Rd1 Rf4+ 41. Kd5 Rd8+ 42. Nd6 *
Position (FEN): 1k1r4/p7/3NP3/3K4/5rB1/P1P3bP/1P6/3R4 b - - 5 42
Black to move.
Themes:  Endgame  
Puzzle rating: 1880
Best move: Rxg4