[Event "Donner sim"]
[Site "Groningen"]
[Date "1966.01.04"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Riemersma, Martin"]
[Result "1/2-1/2"]
[ECO "E44"]
[PlyCount "136"]
[EventDate "1966.01.04"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. Bd3 Nxc3 10. Qxc3 Qg5 11. Rg1 Qf6 12. Bd2 d6 13. Qc2 Nd7 14. Bc3 Rf8 15. 0-0-0 a5 16. f4 g5 17. Rgf1 g4 18. e4 fxe4 19. Bxe4 0-0-0 20. Bxb7+ Kxb7 21. Qe4+ d5 22. cxd5 exd5 23. Qxd5+ Ka7 24. Qc4 Qd6 25. d5 Rf5 26. g3 Qc5 27. Qxc5 Nxc5 28. Be5 Ne4 29. Rfe1 Nd6 30. Bxd6 Rxd6 31. Re7 Rh5 32. Rxc7+ Kb8 33. Rc2 Rhxd5 34. Rxd5 Rxd5 35. Rf2 Rf5 36. Kd2 Kc7 37. Ke3 Kd6 38. Ke4 Ke6 39. Rc2 Rb5 40. f5+ Kf6 41. Kf4 Rxf5+ 42. Kxg4 Rb5 43. Kf4 Rf5+ 44. Ke4 Rb5 45. Rd2 Ke6 46. g4 h5 47. Kf4 hxg4 48. Kxg4 Kf6 49. h4 Kg6 50. Rh2 Rc5 51. h5+ Kh6 52. Kf4 b5 53. Ke4 a4 54. Kd3 Rg5 55. Kd4 Rf5 56. Rh4 Rf2 57. Kc3 Rf3+ 58. Kc2 Rf2+ 59. Kb1 Rf1+ 60. Ka2 Rf3 61. Rh2 Rg3 62. Kb1 Rb3 63. Rh4 Rf3 64. Rd4 Rf5 65. Kc2 Rxh5 66. Kd3 Kg6 67. Rd6+ Kf7 68. Kd4 Rh2 1/2-1/2

