| Apr 6, 2026 | Tan | ½–½ | Tart | Four Nations Chess League Easter Congress 2026 - U2000 | Petrov's Defense: Paulsen Attack | |
| Apr 5, 2026 | Tart | 0–1 | Gibson | Four Nations Chess League Easter Congress 2026 - U2000 | Nimzo-Larsen Attack: Modern Variation | |
| Apr 5, 2026 | Tart | 1–0 | Thornley | Four Nations Chess League Easter Congress 2026 - U2000 | Nimzo-Larsen Attack: Dutch Variation | |
| Apr 4, 2026 | Waterfield | ½–½ | Tart | Four Nations Chess League Easter Congress 2026 - U2000 | Petrov's Defense: Classical Attack | |
| Apr 4, 2026 | Tart | 1–0 | White | Four Nations Chess League Easter Congress 2026 - U2000 | Nimzo-Larsen Attack: Classical Variation | |
| Feb 8, 2026 | Tart | 0–1 | Roy | Round 6: Tart, Peter K - Roy, Ali | Nimzo-Larsen Attack: Classical Variation | |
| Feb 7, 2026 | Handley | 1–0 | Tart | Round 5: Handley, Michael R - Tart, Peter K | Dutch Defense: Classical Variation, Huisl Variation | |
| Jan 11, 2026 | Sullivan | 0–1 | Tart | Round 4: Sullivan, Daniel - Tart, Peter K | English Opening: Anglo-Dutch Defense | |
| Jan 10, 2026 | Tart | 0–1 | Bullen | Round 3: Tart, Peter K - Bullen, Alex | Nimzo-Larsen Attack: Classical Variation | |
| Nov 2, 2025 | Tart | 0–1 | Camp | Round 2: Tart, Peter K - Camp, Imogen A L | Nimzo-Larsen Attack: Classical Variation | |
| Nov 1, 2025 | Wong | ½–½ | Tart | Round 1: Wong, Chun Hei - Tart, Peter K | Dutch Defense: Hopton Attack | |
| May 5, 2025 | Cundy | * | Tart | Round 11: Cundy, Mark A - Tart, Peter K | ? | |
| May 4, 2025 | Tart | * | Latham | Round 10: Tart, Peter K - Latham, David | ? | |
| May 3, 2025 | Tart | * | Nguyen | Round 9: Tart, Peter K - Nguyen, Thu Giang | ? | |
| Apr 21, 2025 | Johnson | 0–1 | Tart | Round 6: Johnson, Richard J - Tart, Peter K | Petrov's Defense: Classical Attack, Closed Variation | |
| Apr 21, 2025 | Kearney | 1–0 | Tart | Round 7: Kearney, James - Tart, Peter K | Petrov's Defense: Three Knights Game | |
| Apr 20, 2025 | Tart | 1–0 | Bellano | Round 5: Tart, Peter K - Bellano, Harry | Scotch Game: Scotch Gambit, London Defense | |
| Apr 20, 2025 | Griffin-Young | 1–0 | Tart | Round 4: Griffin-Young, Sebastian - Tart, Peter K | English Opening: Anglo-Dutch Defense | |
| Apr 19, 2025 | Tart | 0–1 | Dhingra | Round 3: Tart, Peter K - Dhingra, Kanvansh | Sicilian Defense: Closed | |
| Apr 19, 2025 | Slinger | 0–1 | Tart | Round 2: Slinger, Tony J - Tart, Peter K | Bishop's Opening: Berlin Defense | |
| Apr 18, 2025 | Tart | 1–0 | Poderico | Round 1: Tart, Peter K - Poderico, Francesco | Sicilian Defense: Closed | |
| Apr 6, 2025 | Tart | ½–½ | Fallowfield | Round 8: Tart, Peter K - Fallowfield, Jeremy R | Sicilian Defense: Closed, Traditional | |
| Apr 5, 2025 | Serbanescu | 1–0 | Tart | Round 7: Serbanescu, Diana-Maria - Tart, Peter K | Petrov's Defense: Three Knights Game | |
| Feb 16, 2025 | Tart | 0–1 | Starley | Round 6: Tart, Peter K - Starley, Robert | Scandinavian Defense: Main Line, Leonhardt Gambit | |
| Feb 15, 2025 | Hariharan | 1–0 | Tart | Round 5: Hariharan, Shambavi - Tart, Peter K | Zukertort Opening: Dutch Variation | |
| Jan 25, 2025 | Wills | 1–0 | Tart | Round 3: Wills, Tom - Tart, Peter K | Petrov's Defense: Damiano Variation, Kholmov Gambit | |
| Apr 1, 2024 | Tart | 1–0 | Kaszuba | Round 6: Tart, Peter K - Kaszuba, Adrian | French Defense: Normal Variation | |
| Mar 31, 2024 | Matthews | ½–½ | Tart | Round 5: Matthews, Adrian M S - Tart, Peter K | Elephant Gambit: Maróczy Gambit | |
| Mar 31, 2024 | Wheeler | 1–0 | Tart | Round 4: Wheeler, Tim - Tart, Peter K | Petrov's Defense: Modern Attack | |
| Mar 30, 2024 | Tart | 1–0 | Shivakumar | Round 3: Tart, Peter K - Shivakumar, Akshath | French Defense: Chigorin Variation | |
| Mar 30, 2024 | Honarvarmahalati | 1–0 | Tart | Round 2: Honarvarmahalati, Hooman - Tart, Peter K | Zukertort Opening: Dutch Variation | |
| Mar 29, 2024 | Tart | 1–0 | Veselov | Round 1: Tart, Peter K - Veselov, Ivan | Scandinavian Defense: Mieses-Kotroc Variation | |
| Mar 3, 2024 | Casti | 0–1 | Tart | British Rapidplay Championship 2024 | Bird Opening | |
| Mar 3, 2024 | Tart | ½–½ | Jacklin | British Rapidplay Championship 2024 | Caro-Kann Defense | |
| Mar 3, 2024 | Graff | 1–0 | Tart | British Rapidplay Championship 2024 | Elephant Gambit | |
| Mar 3, 2024 | Tart | 0–1 | Buckley | British Rapidplay Championship 2024 | Sicilian Defense: Closed, Traditional | |
| Mar 3, 2024 | Li | 0–1 | Tart | British Rapidplay Championship 2024 | Elephant Gambit: Maróczy Gambit | |
| Mar 2, 2024 | Tart | 0–1 | Shearsby | British Rapidplay Championship 2024 | Nimzowitsch Defense: French Connection | |
| Mar 2, 2024 | Takvorian | 0–1 | Tart | British Rapidplay Championship 2024 | English Opening: Anglo-Dutch Defense | |
| Mar 2, 2024 | Tart | 0–1 | Martin | British Rapidplay Championship 2024 | Caro-Kann Defense | |
| Mar 2, 2024 | Toma | 1–0 | Tart | British Rapidplay Championship 2024 | Petrov's Defense: Damiano Variation | |
| Mar 2, 2024 | Tart | 1–0 | Okhai | British Rapidplay Championship 2024 | Italian Game: Scotch Gambit, Max Lange Attack | |
| Mar 2, 2024 | Borgars | 0–1 | Tart | British Rapidplay - lower boards | Dutch Defense: Staunton Gambit Accepted | |
| Nov 24, 2024 | Shepherd | 0–1 | Tart | Round 2: Shepherd, Tom - Tart, Peter K | Dutch Defense: Classical Variation | |
| Nov 23, 2024 | Tart | 0–1 | Taylor | Round 1: Tart, Peter K - Taylor, William J | Petrov's Defense: Modern Attack, Center Variation | |
| Apr 10, 2023 | Tart | 1–0 | Karangad | 3rd 4NCL Easter Congress: U2000 | Sicilian Defense: Closed | |
| Apr 10, 2023 | Raju | 1–0 | Tart | 3rd 4NCL Easter Congress: U2000 | Elephant Gambit: Maróczy Gambit | |
| Apr 9, 2023 | Tart | 1–0 | Chan | 3rd 4NCL Easter Congress: U2000 | Scotch Game: Scotch Gambit, Advance Variation | |
| Apr 8, 2023 | Tart | ½–½ | Lawrence | 3rd 4NCL Easter Congress: U2000 | Sicilian Defense: Closed, Traditional | |
| Apr 8, 2023 | Royle | 1–0 | Tart | 3rd 4NCL Easter Congress: U2000 | Petrov's Defense: Damiano Variation, Kholmov Gambit | |
| Apr 7, 2023 | Acharya | 0–1 | Tart | 3rd 4NCL Easter Congress: U2000 | English Opening: Anglo-Dutch Defense | |
| — | Han | 0–1 | Tart | 3rd 4NCL Easter Congress: U2000 | Nimzo-Larsen Attack: Modern Variation | |
