| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Loch vs R Appel |
| 0-1 | 60 | 1988 | BL2-SW 8889 | A46 Queen's Pawn Game |
| 27. A Wolf vs R Appel |
| 1-0 | 76 | 1988 | BL2-SW 8889 | B03 Alekhine's Defense |
| 28. R Appel vs M Becker |
| ½-½ | 20 | 1988 | RLPF-ch U20 | E60 King's Indian Defense |
| 29. S Joachim vs R Appel |
| 1-0 | 17 | 1988 | FRG-chJ U20 | E20 Nimzo-Indian |
| 30. M Becker vs R Appel |
| ½-½ | 54 | 1988 | FRG-chJ U20 | B03 Alekhine's Defense |
| 31. P Fassnacht vs R Appel |
| 0-1 | 28 | 1988 | RLPF-ch U20 | A04 Reti Opening |
| 32. K Mueller vs R Appel |
| ½-½ | 19 | 1988 | FRG-chJ U20 | B02 Alekhine's Defense |
| 33. B Apsner vs R Appel |
| ½-½ | 21 | 1988 | RLPF-ch U20 | A35 English, Symmetrical |
| 34. R Appel vs F Portisch |
| 0-1 | 33 | 1988 | St. Ingbert Open | A48 King's Indian |
| 35. K Templin vs R Appel |
| 0-1 | 60 | 1988 | St. Ingbert Open | E60 King's Indian Defense |
| 36. K Nieuwelink vs R Appel |
| ½-½ | 42 | 1988 | St. Ingbert Open | B05 Alekhine's Defense, Modern |
| 37. L Gutman vs R Appel |
| 1-0 | 37 | 1988 | St. Ingbert Open | A56 Benoni Defense |
| 38. R Appel vs K Nickl |
| 1-0 | 33 | 1988 | St. Ingbert Open | E63 King's Indian, Fianchetto, Panno Variation |
| 39. O Sponheim vs R Appel |
| 0-1 | 37 | 1988 | St. Ingbert Open | B05 Alekhine's Defense, Modern |
| 40. R Appel vs R Dausch |
| 1-0 | 19 | 1988 | St. Ingbert Open | D85 Grunfeld |
| 41. E Haghshenas Getabi vs R Appel |
| 0-1 | 24 | 1988 | St. Ingbert Open | A07 King's Indian Attack |
| 42. R Appel vs L Partzsch |
| 1-0 | 19 | 1988 | St. Ingbert Open | A43 Old Benoni |
| 43. G Neuberger vs R Appel |
| ½-½ | 54 | 1988 | Rhineland-Palatinate Championship | C07 French, Tarrasch |
| 44. P Kargoll vs R Appel |
| ½-½ | 61 | 1988 | Rhineland-Palatinate Championship | A46 Queen's Pawn Game |
| 45. R Appel vs R Zwick |
| 1-0 | 35 | 1988 | Rhineland-Palatinate Championship | D37 Queen's Gambit Declined |
| 46. R Appel vs T Roos |
| 0-1 | 72 | 1988 | Rhineland-Palatinate Championship | A55 Old Indian, Main line |
| 47. R Appel vs M Elsen |
| 1-0 | 39 | 1988 | Rhineland-Palatinate Championship | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 48. R Appel vs M Heckler |
| 1-0 | 61 | 1988 | Rhineland-Palatinate Championship | A90 Dutch |
| 49. R Appel vs C Lex |
| 1-0 | 31 | 1988 | Rhineland-Palatinate Championship | E60 King's Indian Defense |
| 50. H Dietzsch vs R Appel |
| 0-1 | 30 | 1988 | Rhineland-Palatinate Championship | B02 Alekhine's Defense |
Kibitzing
