| Jun 10, 2026 | Heinatz | 1–0 | Ni | Round 9: Heinatz, Gundula, Dr. - Ni, Polina | Queen's Pawn Game: Accelerated London System | |
| Jun 9, 2026 | Ni | 0–1 | Brokko | Round 8: Ni, Polina - Brokko, Margit | Ruy Lopez: Morphy Defense | |
| Jun 8, 2026 | De Kleuver | 1–0 | Ni | Round 7: De Kleuver, Esther - Ni, Polina | Sicilian Defense: Delayed Alapin Variation | |
| Jun 7, 2026 | Novak | 1–0 | Ni | Round 6: Novak, Simona - Ni, Polina | Alekhine Defense: Exchange Variation | |
| Jun 6, 2026 | Ni | 0–1 | Cosma | Round 5: Ni, Polina - Cosma, Elena-Luminita | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jun 5, 2026 | Ni | ½–½ | Norinkeviciute | Round 4: Ni, Polina - Norinkeviciute, Rasa | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jun 4, 2026 | Storkebaum | ½–½ | Ni | Round 3: Storkebaum, Ulrike - Ni, Polina | Alekhine Defense: Exchange Variation | |
| Jun 3, 2026 | Ni | 1–0 | Dekoker | Round 2: Ni, Polina - Dekoker, Patricia | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jun 2, 2026 | Sedina | 1–0 | Ni | Round 1: Sedina, Elena - Ni, Polina | Alekhine Defense: Four Pawns Attack | |
| Oct 21, 2025 | Ni | 1–0 | Alexieva | Round 1: Ni, Polina - Alexieva, Silvia | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Oct 5, 2025 | Krasenkowa | 0–1 | Ni | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Oct 4, 2025 | Ni | ½–½ | Fink-Nunn | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Sicilian Defense: Dragon Variation, Classical Variation, Battery Variation | |
| Oct 3, 2025 | Balcerczak | 0–1 | Ni | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Alekhine Defense | |
| Sep 30, 2025 | Ni | ½–½ | Novak | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 29, 2025 | Sirletti | ½–½ | Ni | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Tarrasch Defense: Symmetrical Variation | |
| Sep 28, 2025 | Ni | 1–0 | Kordic | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Sep 27, 2025 | Brokko | 1–0 | Ni | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Alekhine Defense: Four Pawns Attack | |
| Sep 24, 2025 | Heinatz | 1–0 | Ni | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Dutch Defense: Classical Variation, Huisl Variation | |
| Nov 27, 2024 | Ni | ½–½ | Dubois | World Senior Chess Championship 2024 | Scandinavian Defense: Bronstein Variation | |
| Nov 25, 2024 | Ni | ½–½ | Bogumil | World Senior Chess Championship 2024 | Modern Defense: Pseudo-Austrian Attack | |
| Nov 20, 2024 | Krasenkowa | 1–0 | Ni | World Senior Chess Championship 2024 | Queen's Pawn Game: Krause Variation | |
| Nov 19, 2024 | Ni | ½–½ | Lauterbach | World Senior Chess Championship 2024 | Pterodactyl Defense: Western, Rhamphorhynchus | |
| Nov 17, 2024 | Ni | 0–1 | Strutinskaia | World Senior Chess Championship 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 26, 2024 | Ni | 0–1 | Grabuzova | Round 6: Ni, Polina - Grabuzova, Tatiana | French Defense: Exchange Variation | |
| Aug 25, 2024 | Ni | ½–½ | Szymanski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Aug 23, 2024 | Szydelko | 1–0 | Ni | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Dutch Defense: Classical Variation | |
| Aug 22, 2024 | Ni | ½–½ | Palka | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Sicilian Defense: Moscow Variation, Main Line | |
| Aug 21, 2024 | Kot | 1–0 | Ni | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | King's Indian Attack: Sicilian Variation | |
| Aug 20, 2024 | Ni | 1–0 | Kuzian | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Oct 26, 2023 | Ni | 0–1 | Strutinskaia | World Senior Women's Championship | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 25, 2023 | Calzetta Ruiz | 0–1 | Ni | World Senior Women's Championship | Sicilian Defense: Four Knights Variation | |
| Aug 18, 2023 | Ni | 0–1 | Dusbaba | MCR 50+ | French Defense: Normal Variation | |
| Aug 16, 2023 | Matousek | 1–0 | Ni | MCR 50+ | Alekhine Defense: Normal Variation | |
| Aug 12, 2023 | Ni | ½–½ | Nikolaev | MCR 50+ | Sicilian Defense: Moscow Variation | |
| Dec 17, 2022 | Davies | 1–0 | Ni | European Rapid Chess Championship 2022 | Zukertort Opening: Reversed Grünfeld | |
| Jul 21, 2022 | Ni | 0–1 | Jun | rapid | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jul 21, 2022 | Ni | ½–½ | Mojzis | rapid | Ruy Lopez: Marshall Attack | |
| Jul 21, 2022 | Ptacek | 1–0 | Ni | rapid | Alekhine Defense: Scandinavian Variation | |
| Jul 20, 2022 | Ni | 0–1 | Ret | rapid | Lion Defense: Anti-Philidor, Lion's Cave | |
| — | Bartos | 1–0 | Ni | Olomouc 2024 - S50 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
