| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Keitlinghaus vs V Bukal Sr |
| ½-½ | 9 | 1988 | Dortmund-B | D32 Queen's Gambit Declined, Tarrasch |
| 27. L Keitlinghaus vs T Tolnai |
| ½-½ | 46 | 1988 | Dortmund-B | A45 Queen's Pawn Game |
| 28. L Keitlinghaus vs Adorjan |
| 0-1 | 36 | 1988 | Bundesliga 1988/89 | A45 Queen's Pawn Game |
| 29. S Martinovic vs L Keitlinghaus |
| 0-1 | 37 | 1988 | Dortmund-B | A40 Queen's Pawn Game |
| 30. L Keitlinghaus vs G Makropoulos |
| ½-½ | 44 | 1988 | Dortmund-B | A45 Queen's Pawn Game |
| 31. M Crepan vs L Keitlinghaus |
| ½-½ | 29 | 1988 | Bern Open | C02 French, Advance |
| 32. L Keitlinghaus vs E Dizdarevic |
| 0-1 | 37 | 1988 | Bern Open | A45 Queen's Pawn Game |
| 33. G Forgacs vs L Keitlinghaus |
| 0-1 | 26 | 1988 | Bern Open | C10 French |
| 34. L Keitlinghaus vs H Kowarsch |
| ½-½ | 50 | 1988 | Bad Woerishofen Open | B42 Sicilian, Kan |
| 35. C Garcia Palermo vs L Keitlinghaus |
| 1-0 | 29 | 1988 | Bad Woerishofen Open | A90 Dutch |
| 36. L Keitlinghaus vs Spassky |
| 0-1 | 30 | 1989 | Bundesliga 1988/89 | E09 Catalan, Closed |
| 37. L Keitlinghaus vs M Klebel |
| ½-½ | 51 | 1989 | West German Championship | D11 Queen's Gambit Declined Slav |
| 38. N Michaelsen vs L Keitlinghaus |
| ½-½ | 12 | 1989 | West German Championship | A90 Dutch |
| 39. C Maier vs L Keitlinghaus |
| ½-½ | 35 | 1989 | West German Championship | C10 French |
| 40. F Ott vs L Keitlinghaus |
| ½-½ | 90 | 1989 | West German Championship | C10 French |
| 41. P Schlosser vs L Keitlinghaus |
| ½-½ | 20 | 1989 | West German Championship | C10 French |
| 42. E Schmittdiel vs L Keitlinghaus |
| ½-½ | 10 | 1989 | West German Championship | C11 French |
| 43. L Keitlinghaus vs R Mainka |
| 0-1 | 45 | 1989 | West German Championship | A09 Reti Opening |
| 44. Lobron vs L Keitlinghaus |
| 1-0 | 30 | 1989 | Bad Woerishofen op 5th | A13 English |
| 45. L Keitlinghaus vs M Ruf |
| 1-0 | 46 | 1989 | West German Championship | A13 English |
| 46. L Keitlinghaus vs Hort |
| ½-½ | 45 | 1989 | West German Championship | A26 English |
| 47. L Keitlinghaus vs Chandler |
| 1-0 | 46 | 1989 | Bundesliga 1988/89 | A15 English |
| 48. L Keitlinghaus vs Jansa |
| ½-½ | 17 | 1989 | Bundesliga 1988/89 | A41 Queen's Pawn Game (with ...d6) |
| 49. L Keitlinghaus vs N Sehner |
| ½-½ | 32 | 1989 | West German Championship | A13 English |
| 50. Vasiukov vs L Keitlinghaus |
| 1-0 | 42 | 1989 | Athens op | C07 French, Tarrasch |
Kibitzing
