Chess puzzle (Equality)
Moves: 1. d4 d5 2. Bf4 Bf5 3. c3 e6 4. e3 Nf6 5. Bd3 Nc6 6. Nf3 Bd6 7. Bg3 Qd7 8. Qc2
Bxd3 9. Qxd3 Ne4 10. Nbd2 Nxg3 11. hxg3 O-O-O 12. Rxh7 Rxh7 13. Qxh7 g6 14.
O-O-O e5 15. Ng5 Qf5 16. Nxf7 Rd7 17. Nxd6+ cxd6 18. Qg8+ Kc7 19. Qxd5 Qxf2 20.
Qf3 Qxf3 21. Nxf3 exd4 22. exd4 Re7 23. g4 Re2 24. Rd2 Re4 25. g5 Rg4 26. Kc2
Nd8 27. a4 Ne6 28. Kb3 a5 29. Kc4 Kc6 30. b4 axb4 31. Kxb4 Nxg5 32. Nxg5 Rxg5
33. a5 Rb5+ 34. Ka4 Rg5 35. c4 Rf5 36. Kb4 Rg5 37. d5+ Kc7 38. Kb5 Rg4 39. c5
Rg3 40. Kb4 Rg4+ 41. Kb5 Rg3 42. cxd6+ Kxd6 43. Kc4 Rg4+ 44. Kb5 Rg3 45. Kb6
Rb3+ 46. Ka7 Rb5 47. a6 *
Position (FEN): 8/Kp6/P2k2p1/1r1P4/8/8/3R2P1/8 b - - 0 47
Black to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 1824
Best move: bxa6