| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 351. Knaak vs L Keitlinghaus |
| 0-1 | 37 | 1998 | Bundesliga 1998/99 | D18 Queen's Gambit Declined Slav, Dutch |
| 352. L Keitlinghaus vs S Agdestein |
| 0-1 | 42 | 1998 | Bundesliga 1998/99 | B04 Alekhine's Defense, Modern |
| 353. L Keitlinghaus vs C Gabriel |
| 1-0 | 49 | 1999 | Baden-Baden tt | B06 Robatsch |
| 354. T Assmann vs L Keitlinghaus |
| ½-½ | 39 | 1999 | Baden-Baden tt | D11 Queen's Gambit Declined Slav |
| 355. J Maiwald vs L Keitlinghaus |
| 0-1 | 32 | 1999 | Bundesliga 1998/99 | A07 King's Indian Attack |
| 356. L Keitlinghaus vs J Gallagher |
| ½-½ | 30 | 1999 | Bundesliga 1998/99 | B22 Sicilian, Alapin |
| 357. L Keitlinghaus vs I Stohl |
| 0-1 | 48 | 1999 | Bundesliga 1998/99 | B22 Sicilian, Alapin |
| 358. D Rogozenco vs L Keitlinghaus |
| ½-½ | 25 | 1999 | Bundesliga 1998/99 | D15 Queen's Gambit Declined Slav |
| 359. L Keitlinghaus vs K Mueller |
| ½-½ | 20 | 1999 | Bundesliga 1998/99 | B01 Scandinavian |
| 360. G Beikert vs L Keitlinghaus |
 | 1-0 | 55 | 1999 | Bundesliga 1998/99 | A06 Reti Opening |
| 361. L Keitlinghaus vs Pelletier |
| ½-½ | 17 | 1999 | Bundesliga 1998/99 | B25 Sicilian, Closed |
| 362. E Karst vs L Keitlinghaus |
| 0-1 | 49 | 2002 | BL2-Sued 0102 | D15 Queen's Gambit Declined Slav |
| 363. L Keitlinghaus vs J Netzer |
| 1-0 | 34 | 2003 | Niederbronn FRA | B04 Alekhine's Defense, Modern |
| 364. S Kalinitschew vs L Keitlinghaus |
| ½-½ | 24 | 2003 | Bundesliga 2003/04 | D10 Queen's Gambit Declined Slav |
| 365. L Keitlinghaus vs M Schwarz |
| 1-0 | 51 | 2003 | Bundesliga 2003/04 | B13 Caro-Kann, Exchange |
| 366. L Keitlinghaus vs D Gross |
| 1-0 | 62 | 2003 | Bundesliga 2003/04 | B22 Sicilian, Alapin |
| 367. L Keitlinghaus vs Knaak |
| ½-½ | 60 | 2004 | Bundesliga 2004/05 | C02 French, Advance |
| 368. L Keitlinghaus vs D Gross |
| ½-½ | 15 | 2005 | Bundesliga 2004/05 | B22 Sicilian, Alapin |
Kibitzing
