Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. W Groenegress vs U Markmann |
| 1-0 | 31 | 1981 | NRW-ch | B22 Sicilian, Alapin |
27. W Groenegress vs A Weiermann |
| ½-½ | 17 | 1981 | NRW-ch | B08 Pirc, Classical |
28. E Schmittdiel vs W Groenegress |
| ½-½ | 11 | 1981 | NRW-ch | B42 Sicilian, Kan |
29. W Groenegress vs W Beckemeyer |
| ½-½ | 24 | 1981 | NRW-ch | B23 Sicilian, Closed |
30. W Groenegress vs C Pieper-Emden |
| ½-½ | 16 | 1983 | OWL-ch | B23 Sicilian, Closed |
31. W Groenegress vs H Seegers |
| 0-1 | 58 | 1983 | Bundesliga 1983/84 | C55 Two Knights Defense |
32. C Pieper-Emden vs W Groenegress |
| ½-½ | 15 | 1984 | NRW-ch | A38 English, Symmetrical |
33. C Pieper-Emden vs W Groenegress |
| ½-½ | 7 | 1984 | OWL-ch | A38 English, Symmetrical |
34. W Groenegress vs Forintos |
| 1-0 | 71 | 1984 | Berliner Sommer | B06 Robatsch |
35. N Renman vs W Groenegress |
| 1-0 | 35 | 1984 | Berliner Sommer | A44 Old Benoni Defense |
36. W Groenegress vs Gheorghiu |
| 0-1 | 42 | 1984 | Berliner Sommer | A07 King's Indian Attack |
37. W Groenegress vs B Kohlweyer |
| ½-½ | 34 | 1987 | BL2-W 8788 | A07 King's Indian Attack |
38. C Pieper-Emden vs W Groenegress |
| ½-½ | 23 | 1988 | BL2-W 8788 | B28 Sicilian, O'Kelly Variation |
39. V Bukal Sr vs W Groenegress |
| 1-0 | 51 | 1988 | St. Ingbert Open | A13 English |
40. L Gutman vs W Groenegress |
| 1-0 | 33 | 1988 | St. Ingbert Open | E20 Nimzo-Indian |
41. W Groenegress vs M Forchert |
| ½-½ | 18 | 1991 | OWL-ch | B04 Alekhine's Defense, Modern |
42. W Hoeller vs W Groenegress |
| ½-½ | 17 | 1994 | GER-ch Seniors 06th | B33 Sicilian |
43. W Groenegress vs G Kramer |
 | ½-½ | 41 | 1997 | Bayern-ch Seniors op | B42 Sicilian, Kan |
44. W Groenegress vs W Hoeller |
| ½-½ | 35 | 1998 | GER-ch int Seniors | B01 Scandinavian |
45. W Groenegress vs B Sandmann |
| ½-½ | 14 | 2000 | Bayern-ch Seniors | B23 Sicilian, Closed |
46. W Groenegress vs J Fritsch |
| 1-0 | 21 | 2003 | GER-ch Seniors 15th | C60 Ruy Lopez |