| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Gross vs Z Siklosi |
| 0-1 | 30 | 1988 | St. Ingbert Open | A47 Queen's Indian |
| 27. G Gross vs K Pytel |
| ½-½ | 22 | 1988 | St. Ingbert Open | A40 Queen's Pawn Game |
| 28. G Gross vs G Horvath |
| ½-½ | 76 | 1988 | St. Ingbert Open | E60 King's Indian Defense |
| 29. D Pirrot vs G Gross |
| ½-½ | 15 | 1988 | St. Ingbert Open | C42 Petrov Defense |
| 30. G Gross vs M Varini |
| ½-½ | 65 | 1988 | St. Ingbert Open | E60 King's Indian Defense |
| 31. R Koopmann vs G Gross |
| 0-1 | 17 | 1988 | St. Ingbert Open | A87 Dutch, Leningrad, Main Variation |
| 32. C Huenerberg vs G Gross |
| 0-1 | 41 | 1988 | St. Ingbert Open | B00 Uncommon King's Pawn Opening |
| 33. J Kutzner vs G Gross |
| 0-1 | 24 | 1989 | St Ingbert op | B00 Uncommon King's Pawn Opening |
| 34. G Gross vs F Portisch |
| ½-½ | 32 | 1989 | St Ingbert op | A49 King's Indian, Fianchetto without c4 |
| 35. A Kolev vs G Gross |
| 1-0 | 39 | 1989 | St Ingbert op | D07 Queen's Gambit Declined, Chigorin Defense |
| 36. G Gross vs T Gruber |
| 0-1 | 71 | 1989 | St Ingbert op | E17 Queen's Indian |
| 37. U Hoefer vs G Gross |
| 0-1 | 47 | 1989 | St Ingbert op | B00 Uncommon King's Pawn Opening |
| 38. A Stock vs G Gross |
| 0-1 | 34 | 1989 | St Ingbert op | B00 Uncommon King's Pawn Opening |
| 39. G Gross vs W Koenig |
| ½-½ | 59 | 1989 | St Ingbert op | E17 Queen's Indian |
| 40. G Gross vs S Buecker |
| 1-0 | 41 | 1990 | FRG-ch qual Nord | A41 Queen's Pawn Game (with ...d6) |
| 41. G Gross vs M Hoerstmann |
| 1-0 | 38 | 1990 | FRG-ch qual Nord | A49 King's Indian, Fianchetto without c4 |
| 42. G Gross vs C Serrer |
| ½-½ | 38 | 1990 | FRG-ch qual Nord | D31 Queen's Gambit Declined |
| 43. V Bukal Sr vs G Gross |
| ½-½ | 34 | 1990 | St Ingbert op | A87 Dutch, Leningrad, Main Variation |
| 44. G Gross vs M Muse |
| 0-1 | 40 | 1990 | FRG-ch qual Nord | A49 King's Indian, Fianchetto without c4 |
| 45. G Gross vs R Hammann |
| 1-0 | 35 | 1990 | St Ingbert op | E17 Queen's Indian |
| 46. G Gross vs Z Mestrovic |
| 0-1 | 39 | 1990 | St Ingbert op | C44 King's Pawn Game |
| 47. G Gross vs A Illner |
| 0-1 | 55 | 1990 | FRG-ch qual Nord | A80 Dutch |
| 48. G Gross vs I Meyer |
| 0-1 | 88 | 1990 | FRG-ch qual Nord | D43 Queen's Gambit Declined Semi-Slav |
| 49. G Gross vs E Cekro |
| 0-1 | 27 | 1990 | St Ingbert op | A47 Queen's Indian |
| 50. N A Legky vs G Gross |
| 0-1 | 55 | 1990 | St Ingbert op | A40 Queen's Pawn Game |
Kibitzing
