Chess puzzle (Crushing)
Moves: 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. d3 Bg7 5. Bd2 Nf6 6. Rb1 O-O 7. h3 e6 8. Nf3
Qc7 9. Nb5 Qd8 10. e5 Ne8 11. Bf4 a6 12. Nc3 Qa5 13. Be2 b5 14. cxb5 axb5 15.
O-O h6 16. a3 g5 17. Bh2 Nc7 18. Ne4 Nd5 19. Nxc5 b4 20. d4 bxa3 21. Nb3 Qa7
22. Bc4 a2 23. Ra1 Ncb4 24. Nc5 Rd8 25. Nd2 Nb6 26. b3 Nxc4 27. Nxc4 Ba6 28.
Qd2 Rab8 29. Nxa6 Qxa6 30. Nd6 Nd5 31. Qxa2 Qxa2 32. Rxa2 Rxb3 33. Rfa1 Rdb8
34. g4 Nc3 35. Ra7 Ne2+ 36. Kg2 Nxd4 37. Rxd7 Nc6 38. Nxf7 R8b7 39. Ra8+ Kh7
40. Rxb7 Rxb7 41. Rc8 Ne7 42. Nd6 Rb2 43. Rc7 Nd5 44. Ra7 Kg6 45. Ne8 Bf8 46.
Ra8 Bc5 47. Bg3 Nf4+ 48. Kf3 *
Position (FEN): R3N3/8/4p1kp/2b1P1p1/5nP1/5KBP/1r3P2/8 b - - 15 48
Black to move.
Themes:  Endgame  
Puzzle rating: 1230
Best move: Rb3+