| Jan 6, 2026 | Marynychenko | ½–½ | Chittka | 36. Staufer Open 2026 A | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jan 3, 2026 | Marynychenko | ½–½ | Vuckovic | 36. Staufer Open 2026 A | Sicilian Defense: Alapin Variation | |
| Jan 2, 2026 | Heinrich | ½–½ | Marynychenko | 36. Staufer Open 2026 A | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Jan 2, 2026 | Marynychenko | ½–½ | Sydykov | 36. Staufer Open 2026 A | French Defense: Tarrasch Variation, Modern System | |
| Dec 30, 2025 | Marynychenko | 1–0 | Gotfried | DVM U16 2025 | French Defense: Rubinstein Variation, Blackburne Defense | |
| Dec 29, 2025 | Belka | 1–0 | Marynychenko | DVM U16 2025 | Trompowsky Attack | |
| Dec 29, 2025 | Marynychenko | 1–0 | Thuemler | DVM U16 2025 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Dec 28, 2025 | Sai Ritvik Arvapalli | 0–1 | Marynychenko | DVM U16 2025 | Indian Defense: Anti-Nimzo-Indian | |
| Dec 28, 2025 | Marynychenko | 1–0 | Stettner | DVM U16 2025 | Caro-Kann Defense: Two Knights Attack | |
| Dec 27, 2025 | Merenda | 0–1 | Marynychenko | DVM U16 2025 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Dec 27, 2025 | Marynychenko | 1–0 | Weisshaupt | DVM U16 2025 | Ruy Lopez: Berlin Defense, l'Hermet Variation | |
| Aug 31, 2024 | Brzezina | 1–0 | Marynychenko | EYCC 2024 - O12 | King's Indian Defense: Fianchetto Variation, Debrecen Defense | |
| Aug 30, 2024 | Saminskij | 1–0 | Marynychenko | EYCC 2024 - O12 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 29, 2024 | Marynychenko | 1–0 | Jalving | EYCC 2024 - O12 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Aug 28, 2024 | Filindash | 0–1 | Marynychenko | EYCC 2024 - O12 | King's Indian Defense: Kramer Variation | |
| Aug 26, 2024 | Marynychenko | ½–½ | Akkus | EYCC 2024 - O12 | Sicilian Defense: Delayed Alapin Variation | |
| Aug 25, 2024 | Golubovic | ½–½ | Marynychenko | EYCC 2024 - O12 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Aug 24, 2024 | Marynychenko | ½–½ | Torres Rebolledo | EYCC 2024 - O12 | Caro-Kann Defense: Two Knights Attack | |
| Jul 17, 2024 | Marynychenko | * | Zimmermann | Round 3: Marynychenko, Yehor - Zimmermann, Rene, Dr. | English Opening | |
| May 25, 2024 | Nezhyvenko | 1–0 | Marynychenko | DEM U12 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 24, 2024 | Junge | 0–1 | Marynychenko | DEM U12 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 23, 2024 | Marynychenko | 1–0 | Zhang | DEM U12 2024 | Ruy Lopez: Closed, Keres Defense | |
| May 22, 2024 | Marynychenko | ½–½ | Li | DEM U12 2024 | French Defense: Tarrasch Variation, Pawn Center Variation | |
| May 22, 2024 | Schulz | 0–1 | Marynychenko | DEM U12 2024 | Sicilian Defense: Old Sicilian | |
| May 21, 2024 | Marynychenko | ½–½ | Fadeev | DEM U12 2024 | Vienna Game: Vienna Gambit, Main Line | |
| May 20, 2024 | Vartanian | ½–½ | Marynychenko | DEM U12 2024 | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| May 19, 2024 | Marynychenko | 1–0 | Stehning | DEM U12 2024 | Vienna Game: Vienna Gambit, Breyer Variation | |
| May 19, 2024 | Balashvili | 0–1 | Marynychenko | DEM U12 2024 | Sicilian Defense: Four Knights Variation | |
| Aug 1, 2021 | Marynychenko | 0–1 | Liu | World Youth Cup 2021 O10-G18 - Open 10 | Sicilian Defense: Grand Prix Attack | |
| Aug 1, 2021 | Marynychenko | 0–1 | M | World Youth Cup 2021 O10-G18 - Open 10 | Sicilian Defense: Closed | |
| Aug 1, 2021 | Marynychenko | 1–0 | Chaudhary | World Youth Cup 2021 O10-G18 - Open 10 | Vienna Game: Vienna Gambit | |
| Aug 1, 2021 | Marynychenko | 1–0 | Hazer | World Youth Cup 2021 O10-G18 - Open 10 | Modern Defense: Standard Defense | |
| Aug 1, 2021 | Marynychenko | 0–1 | Kurt | World Youth Cup 2021 O10-G18 - Open 10 | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Aug 1, 2021 | Jiménez Puig | 0–1 | Marynychenko | World Youth Cup 2021 O10-G18 - Open 10 | Indian Defense | |
| Aug 1, 2021 | Pratap Sharma | 0–1 | Marynychenko | World Youth Cup 2021 O10-G18 - Open 10 | Sicilian Defense: Taimanov Variation, American Attack | |
| Aug 1, 2021 | Lee | 0–1 | Marynychenko | World Youth Cup 2021 O10-G18 - Open 10 | Rat Defense: English Rat | |
| Aug 1, 2021 | B U | 1–0 | Marynychenko | World Youth Cup 2021 O10-G18 - Open 10 | Elephant Gambit | |
| Aug 1, 2021 | Lu | 0–1 | Marynychenko | World Youth Cup 2021 O10-G18 - Open 10 | Sicilian Defense: O'Kelly Variation, Venice System | |