[Event "Rostock 15th"]
[Site "Rostock GDR"]
[Date "1989.08.??"]
[EventDate "1989.08.00"]
[Round "5"]
[Result "1/2-1/2"]
[White "Konstantin Z Lerner"]
[Black "Rene Stern"]
[ECO "D31"]
[WhiteElo "2530"]
[BlackElo "2335"]
[PlyCount "114"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. Nge2 Nd7 8. f3  Ngf6 9. g4 Be6 10. Ng3 Nxg4 11. fxg4 g5 12. Qf3 gxf4 13. exf4 Nf8 14. g5 Qb6  15. O-O-O O-O-O 16. h4 Bd6 17. f5 Bd7 18. Nh5 h6 19. Rg1 hxg5 20. hxg5 Kb8 21.  g6 fxg6 22. fxg6 Rg8 23. g7 Ne6 24. Qf6 Qc7 25. Bd3 Nf4 26. Nxf4 Bxf4+ 27. Kb1  Be3 28. Bh7 Bxg1 29. Bxg8 Bxd4 30. Rxd4 Rxg8 31. Qf8+ Qc8 32. Rf4 Kc7 33. Rf7  Qe8 34. Qxe8 Rxe8 35. Rf8 Re1+ 36. Kc2 Be6 37. g8=Q Bxg8 38. Rxg8 b5 39. Kd3  Rh1 40. Rg6 Rh3+ 41. Kd2 Rh2+ 42. Ne2 Kb6 43. Kd3 Kc5 44. Re6 Rh3+ 45. Re3 Rh4  46. Nc1 a5 47. Nb3+ Kb6 48. Nd4 Kc5 49. Nc2 b4 50. b3 Rh8 51. Rg3 Rh1 52. Ne3  Ra1 53. Rg2 Rh1 54. Rc2+ Kb5 55. Nf5 c5 56. Rg2 Rh3+ 57. Kc2 a4 1/2-1/2