Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. e3 O-O 6. Bd3 c5 7. Nge2 Nc6 8. O-O
Nd7 9. Kh1 b6 10. d5 Nce5 11. f4 Nxd3 12. Qxd3 Nf6 13. Ng3 a6 14. f5 Bd7 15.
fxg6 hxg6 16. a4 Rb8 17. Nge4 Bf5 18. Bxf6 Bxf6 19. Nxf6+ exf6 20. Rxf5 gxf5
21. Qxf5 Re8 22. Ne4 Rxe4 23. Qxe4 Qf8 24. Rf1 Re8 25. Qg4+ Qg7 26. Qxg7+ Kxg7
27. Rf3 f5 28. Kg1 Re4 29. b3 Kf6 30. Kf2 Ke5 31. g3 Rg4 32. Rf4 Rg8 33. Kf3 b5
34. axb5 axb5 35. h4 Ra8 36. h5 Ra3 37. cxb5 *
Position (FEN): 8/5p2/3p4/1PpPkp1P/5R2/rP2PKP1/8/8 b - - 0 37
Black to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 1451
Best move: Rxb3