| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 251. B Murtazin vs J Ulko |
| 1-0 | 35 | 2016 | Moscow Open-A | A56 Benoni Defense |
| 252. J Ulko vs I Frolov |
| 1-0 | 35 | 2016 | Moscow Open-A | A46 Queen's Pawn Game |
| 253. D Nyudleev vs J Ulko |
| ½-½ | 68 | 2016 | Moscow Open-A | B42 Sicilian, Kan |
| 254. Khismatullin vs J Ulko |
| 1-0 | 42 | 2016 | Moscow Open-A | E67 King's Indian, Fianchetto |
| 255. V Usmanov vs J Ulko |
| ½-½ | 48 | 2016 | TCh-RUS Major League | E04 Catalan, Open, 5.Nf3 |
| 256. J Ulko vs A Rychagov |
| ½-½ | 10 | 2016 | 20th Voronezh Master Open | D17 Queen's Gambit Declined Slav |
| 257. D Paravyan vs J Ulko |
| 0-1 | 38 | 2016 | 20th Voronezh Master Open | B46 Sicilian, Taimanov Variation |
| 258. J Ulko vs V Zakhartsov |
| ½-½ | 40 | 2016 | 20th Voronezh Master Open | A30 English, Symmetrical |
| 259. J Ulko vs A Nesterov |
| 0-1 | 30 | 2018 | 22nd Voronezh Master Open | A46 Queen's Pawn Game |
| 260. D Zaika vs J Ulko |
| 0-1 | 45 | 2019 | Aeroflot Open-B | E67 King's Indian, Fianchetto |
| 261. J Ulko vs A Abdisalimov |
| 0-1 | 34 | 2019 | Aeroflot Open-B | A46 Queen's Pawn Game |
| 262. P Rout vs J Ulko |
| 0-1 | 70 | 2019 | Aeroflot Open-B | E67 King's Indian, Fianchetto |
| 263. J Ulko vs R Makarian |
| 1-0 | 49 | 2019 | Aeroflot Open-B | E12 Queen's Indian |
| 264. D Li vs J Ulko |
| 1-0 | 50 | 2019 | Aeroflot Open-B | E71 King's Indian, Makagonov System (5.h3) |
| 265. J Ulko vs X Zhang |
| 1-0 | 75 | 2019 | Aeroflot Open-B | D52 Queen's Gambit Declined |
| 266. J Ulko vs S Khanin |
| ½-½ | 23 | 2019 | Aeroflot Open-B | A15 English |
| 267. M Demidov vs J Ulko |
| 1-0 | 34 | 2019 | Aeroflot Open-B | E73 King's Indian |
| 268. J Ulko vs C Zhao |
| ½-½ | 45 | 2019 | Aeroflot Open-B | E91 King's Indian |
| 269. J Ulko vs E Shaposhnikov |
| ½-½ | 41 | 2019 | 23rd Voronezh Master Open | A07 King's Indian Attack |
| 270. Fedorov vs J Ulko |
| ½-½ | 34 | 2019 | 23rd Voronezh Master Open | C27 Vienna Game |
| 271. J Ulko vs N Afanasiev |
| ½-½ | 41 | 2019 | 23rd Voronezh Master Open | A07 King's Indian Attack |
| 272. B Belyakov vs J Ulko |
| ½-½ | 41 | 2019 | 23rd Voronezh Master Open | A55 Old Indian, Main line |
| 273. J Ulko vs C Rios |
| 0-1 | 37 | 2019 | 23rd Voronezh Master Open | A07 King's Indian Attack |
Kibitzing
