[Event "POL-ch 28th"] [Site "Poznan POL"] [Date "1971.02.23"] [EventDate "1971.02.15"] [Round "9"] [Result "1/2-1/2"] [White "Zenon Autowicz"] [Black "Marian Ziembinski"] [ECO "B06"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "150"] 1. e4 d6 2. d4 g6 3. f4 Bg7 4. Nc3 c6 5. Nf3 Qc7 6. Bd3 Nf6 7. O-O O-O 8. h3 Nbd7 9. e5 Ne8 10. Kh1 Nb6 11. Qe1 a6 12. a4 dxe5 13. dxe5 f6 14. a5 Nd5 15. Nxd5 cxd5 16. Be3 Bd7 17. Bb6 Qc8 18. Qb4 Bh6 19. Nh2 Ng7 20. g4 fxe5 21. fxe5 Bc6 22. Bd4 Qe6 23. Qe1 Rxf1+ 24. Bxf1 Rf8 25. Bg2 Qd7 26. Nf3 Bf4 27. c3 Ne6 28. Rd1 Ba4 29. Ra1 Bc2 30. Ng1 Ng5 31. Nf3 Ne4 32. Be3 Ba4 33. Bxf4 Rxf4 34. Qe3 Rf8 35. Nd4 Bc6 36. Bxe4 dxe4 37. Nxc6 Qxc6 38. Re1 Rf3 39. Qxe4 Rf1+ 40. Kh2 Rf2+ 41. Kg3 Rxb2 42. Qxc6 bxc6 43. Re4 Rb5 44. Rc4 Rxe5 45. Rxc6 Rxa5 46. c4 Kf7 47. c5 Ke8 48. Rb6 Rxc5 49. Rxa6 Rc3+ 50. Kg2 Re3 51. g5 Kf7 52. h4 Kg7 53. Rb6 h6 54. h5 gxh5 55. Rxh6 Re5 56. Rxh5 Kg6 57. Rh8 Kxg5 58. Kf3 Kf5 59. Rh6 Re1 60. Rh5+ Ke6 61. Rh8 Ra1 62. Ke4 Ra4+ 63. Ke3 Kd5 64. Re8 e6 65. Rd8+ Ke5 66. Rh8 Ra3+ 67. Ke2 Kd5 68. Rh5+ e5 69. Rh4 Rg3 70. Ra4 Rh3 71. Ra5+ Ke6 72. Ra4 Kf5 73. Rb4 Rg3 74. Kf2 Rh3 75. Ke2 1/2-1/2