| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 276. Nijboer vs R Janssen |
| 1-0 | 40 | 2007 | Dutch Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 277. R Janssen vs M Dambacher |
 | 1-0 | 29 | 2007 | Dutch Championship | D35 Queen's Gambit Declined |
| 278. L'Ami vs R Janssen |
| 1-0 | 35 | 2007 | Dutch Championship | E17 Queen's Indian |
| 279. R Janssen vs W Spoelman |
| 1-0 | 78 | 2007 | Dutch Championship | A70 Benoni, Classical with 7.Nf3 |
| 280. Van der Wiel vs R Janssen |
| ½-½ | 19 | 2007 | Dutch Championship | C46 Three Knights |
| 281. M Bosboom vs R Janssen |
| 0-1 | 25 | 2007 | Dutch Championship | C53 Giuoco Piano |
| 282. R Janssen vs W Hendriks |
| ½-½ | 80 | 2007 | Dutch Championship | B36 Sicilian, Accelerated Fianchetto |
| 283. Tiviakov vs R Janssen |
| 1-0 | 42 | 2007 | Dutch Championship | C77 Ruy Lopez |
| 284. R Janssen vs I Sokolov |
| 0-1 | 44 | 2007 | Dutch Championship | D45 Queen's Gambit Declined Semi-Slav |
| 285. Stellwagen vs R Janssen |
| 1-0 | 50 | 2007 | Dutch Championship | C92 Ruy Lopez, Closed |
| 286. R Janssen vs Smeets |
| ½-½ | 77 | 2007 | Dutch Championship | D10 Queen's Gambit Declined Slav |
| 287. Y Visser vs R Janssen |
| 1-0 | 50 | 2008 | Dutch Championship | C50 Giuoco Piano |
| 288. R Janssen vs D Brandenburg |
| ½-½ | 20 | 2008 | Dutch Championship | A27 English, Three Knights System |
| 289. Smeets vs R Janssen |
| 1-0 | 47 | 2008 | Dutch Championship | C49 Four Knights |
| 290. R Janssen vs D Reinderman |
| 0-1 | 45 | 2008 | Dutch Championship | E71 King's Indian, Makagonov System (5.h3) |
| 291. Nijboer vs R Janssen |
| 0-1 | 55 | 2008 | Dutch Championship | C98 Ruy Lopez, Closed, Chigorin |
| 292. Stellwagen vs R Janssen |
| 1-0 | 32 | 2008 | Dutch Championship | C97 Ruy Lopez, Closed, Chigorin |
| 293. R Janssen vs L'Ami |
| 0-1 | 35 | 2008 | Dutch Championship | A14 English |
| 294. J de Jong vs R Janssen |
| ½-½ | 14 | 2008 | Dutch Championship | D35 Queen's Gambit Declined |
| 295. R Janssen vs Tiviakov |
| 0-1 | 24 | 2008 | Dutch Championship | A46 Queen's Pawn Game |
| 296. M Bosboom vs R Janssen |
| 0-1 | 71 | 2008 | Dutch Championship | C53 Giuoco Piano |
| 297. R Janssen vs S Ernst |
| 1-0 | 50 | 2008 | Dutch Championship | A17 English |
| 298. T Luther vs R Janssen |
| ½-½ | 40 | 2008 | Bundesliga 2008/09 | C97 Ruy Lopez, Closed, Chigorin |
| 299. R Janssen vs G Gauglitz |
| 1-0 | 41 | 2008 | Bundesliga 2008/09 | A15 English |
| 300. P Nikolic vs R Janssen |
| ½-½ | 26 | 2008 | Bundesliga 2008/09 | D38 Queen's Gambit Declined, Ragozin Variation |
Kibitzing
