Game |
| Result | Moves |
Year | Event/Locale | Opening |
251. S Sivokho vs O Nikolenko |
 | 0-1 | 34 | 2005 | St-Peterburg vs Moscow Match | C11 French |
252. V Kaljaev vs O Nikolenko |
| 0-1 | 52 | 2006 | Open | A46 Queen's Pawn Game |
253. O Nikolenko vs A Reshetnikov |
| 1-0 | 26 | 2006 | Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
254. I Popov vs O Nikolenko |
| ½-½ | 19 | 2006 | Open | A45 Queen's Pawn Game |
255. O Nikolenko vs I Naumkin |
| 1-0 | 39 | 2006 | Open | C80 Ruy Lopez, Open |
256. A Gabrielian vs O Nikolenko |
| ½-½ | 18 | 2006 | Open | C13 French |
257. O Nikolenko vs A Krapivin |
| 1-0 | 63 | 2006 | Open | B40 Sicilian |
258. P Czarnota vs O Nikolenko |
| 1-0 | 55 | 2006 | Open | C13 French |
259. O Nikolenko vs A Gavrilov |
| 1-0 | 41 | 2006 | Open | A00 Uncommon Opening |
260. O Chebotarev vs O Nikolenko |
 | ½-½ | 9 | 2006 | Open | C01 French, Exchange |
261. O Nikolenko vs E Romanov |
| ½-½ | 22 | 2006 | Russian Club Cup | B06 Robatsch |
262. V Belov vs O Nikolenko |
| 1-0 | 39 | 2006 | Russian Club Cup | C11 French |
263. D Yevseev vs O Nikolenko |
| ½-½ | 44 | 2006 | Russian Club Cup | A14 English |
264. O Nikolenko vs Yakovich |
| ½-½ | 19 | 2006 | Russian Club Cup | B45 Sicilian, Taimanov |
265. O Nikolenko vs Filippov |
| 0-1 | 78 | 2006 | Russian Club Cup | B40 Sicilian |
266. O Nikolenko vs P Smirnov |
| 1-0 | 37 | 2006 | Russian Club Cup | B31 Sicilian, Rossolimo Variation |
267. O Nikolenko vs Y Kurdakov |
| 1-0 | 62 | 2007 | Moscow Open | C03 French, Tarrasch |
268. A Polivanov vs O Nikolenko |
| 0-1 | 61 | 2007 | Moscow Open | B56 Sicilian |
269. O Nikolenko vs D Svetushkin |
| ½-½ | 37 | 2007 | Moscow Open | B50 Sicilian |
270. A Chudinovskikh vs O Nikolenko |
 | 1-0 | 33 | 2007 | Moscow Open | C14 French, Classical |
271. O Nikolenko vs S Sjugirov |
| 1-0 | 40 | 2007 | Moscow Open | B50 Sicilian |
272. Fedorov vs O Nikolenko |
| 1-0 | 47 | 2007 | Moscow Open | C11 French |
273. O Nikolenko vs A Riazantsev |
| 0-1 | 58 | 2007 | Moscow Open | A00 Uncommon Opening |
274. V Burmakin vs O Nikolenko |
| ½-½ | 20 | 2008 | Moscow Open-A | D95 Grunfeld |
275. D Korovianski vs O Nikolenko |
| 0-1 | 40 | 2009 | Moscow Open-A | D97 Grunfeld, Russian |