86 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Mason, Donald J | Farrell, Neil | 1/2-1/2 | C02 | Round 5: Mason, Donald J - Farrell, Neil | 2026-08-07 |
| Mason, Donald J | Kett, Tim | 0-1 | B03 | Round 3: Mason, Donald J - Kett, Tim | 2026-08-05 |
| Mason, Donald J | Drugan, Mark A | 1/2-1/2 | C54 | Round 1: Mason, Donald J - Drugan, Mark A | 2026-08-03 |
| Mason, Donald J | Swiatkowski, Aram | 1/2-1/2 | B15 | Round 7: Mason, Donald J - Swiatkowski, Aram | 2026-03-15 |
| Mason, Donald J | Singh, Adamjeet | 0-1 | C02 | Round 9: Mason, Donald J - Singh, Adamjeet | 2026-03-15 |
| Mason, Donald J | Aggarwal, Aashi | 1-0 | B15 | Round 1: Mason, Donald J - Aggarwal, Aashi | 2026-03-14 |
| Mason, Donald J | Riddoch, Alan | 1-0 | B30 | Round 3: Mason, Donald J - Riddoch, Alan | 2026-03-14 |
| Mason, Donald J | Muhunthan, Charukgan | 1-0 | B40 | Round 5: Mason, Donald J - Muhunthan, Charukgan | 2026-03-14 |
| Mason, Donald J | Gibson, Christopher A | 1-0 | D27 | ECF English Open Championship 2025 | 2025-07-20 |
| Mason, Donald J | Verma, Aditya | 1/2-1/2 | B78 | ECF English Open Championship 2025 | 2025-07-20 |
| Mason, Donald J | Keerthi Kumar, Advait | 1-0 | B03 | ECF English Open Championship 2025 | 2025-07-19 |
| Mason, Donald J | Ellson, Louie | 1-0 | D55 | ECF English Open Championship 2025 | 2025-07-18 |
| Mason, Donald J | Mihalik, Agoston | 1/2-1/2 | B40 | Round 4: Mason, Donald J - Mihalik, Agoston | 2025-01-26 |
| Mason, Donald J | Henderson, David | 1/2-1/2 | C55 | Round 5: Mason, Donald J - Henderson, David | 2024-08-02 |
| Mason, Donald J | Baer, Bruce L | 1-0 | B06 | Round 3: Mason, Donald J - Baer, Bruce L | 2024-07-31 |
| Mason, Donald J | Strugar, Ioan-Euzeb | 1/2-1/2 | A10 | Round 1: Mason, Donald J - Strugar, Ioan-Euzeb | 2024-07-29 |
| Mason, Donald J | Alldritt, Nigel R E | 1-0 | C02 | Round 7: Mason, Donald J - Alldritt, Nigel R E | 2024-06-23 |
| Mason, Donald J | Yu, Rock | 1/2-1/2 | E24 | Round 5: Mason, Donald J - Yu, Rock | 2024-06-22 |
| Mason, Donald J | Okhai, Shabir | 0-1 | C54 | Round 3: Mason, Donald J - Okhai, Shabir | 2024-06-21 |
| Mason, Donald J | Jones, Gawain C B | 0-1 | C47 | Round 1: Mason, Donald J - Jones, Gawain C B | 2024-06-20 |
| Mason, Donald J | Dishman, Stephen | 0-1 | D30 | Round 5: Mason, Donald J - Dishman, Stephen | 2024-05-27 |
| Mason, Donald J | Hymer, Barry | 1-0 | C41 | Round 3: Mason, Donald J - Hymer, Barry | 2024-05-25 |
| Mason, Donald J | Drugan, Mark A | 1-0 | C54 | Round 1: Mason, Donald J - Drugan, Mark A | 2024-05-24 |
| Donald J Mason | Anum Sheikh | 1-0 | B23 | Round 4: Donald J Mason - Anum Sheikh | 2023-06-18 |
| Donald J Mason | Billy Fellowes | 0-1 | B00 | Round 2: Donald J Mason - Billy Fellowes | 2023-06-17 |
| Mason, Donald J | Dignam, Matthew P | 1/2-1/2 | C02 | 3rd 4NCL Easter Congress: Open | 2023-04-10 |
| Mason, Donald J | Liu, Jason | 1/2-1/2 | C02 | 3rd 4NCL Easter Congress: Open | 2023-04-09 |
| Mason, Donald J | Gordon, Sean | 0-1 | A28 | 3rd 4NCL Easter Congress: Open | 2023-04-07 |
| Mason, Donald J | Dubey, Mark J | 1/2-1/2 | C23 | Chessable British Chess Championships: Seniors 50+ | 2022-08-13 |
| Mason, Donald J | Brusey, Alan W | 0-1 | C02 | Chessable British Chess Championships: Seniors 50+ | 2022-08-11 |
| Mason, Donald J | Baer, Bruce L | * | B06 | Chessable British Chess Championships: Seniors 50+ | 2022-08-09 |
| Mason, Donald J | Bates, Richard A | 1/2-1/2 | B67 | 4NCL Main League 1-2 | 2022-06-25 |
| Mason, Donald J | Blake, J Morgan | 1-0 | C34 | 4NCL Main League 1-2 | 2022-05-01 |
| Mason, Donald J | Boswell, Jacob Connor | 0-1 | B49 | 2nd Easter 4NCL Congress | 2022-04-18 |
| Mason, Donald J | Ireland, David J | 1-0 | B72 | 2nd Easter 4NCL Congress | 2022-04-17 |
| Mason, Donald J | Stubbs, Oliver | 1-0 | C02 | 2nd Easter 4NCL Congress | 2022-04-16 |
| Mason, Donald J | Gordon, Sean | 1/2-1/2 | B52 | 2nd Easter 4NCL Congress | 2022-04-15 |
| Mason, Donald J | Csonka, Balazs | 0-1 | A08 | 4NCL Division 1_2 | 2021-11-27 |
| Mason, Donald J | Kenning, Paul H | 1-0 | C41 | ECF Over 50 2021 | 2021-10-09 |
| Mason, Donald J | Waddington, Mike P | 0-1 | B28 | ECF Over 50 2021 | 2021-10-07 |
| Mason, Donald J | Lewis, Andrew P | 1-0 | B30 | ECF Over 50 2021 | 2021-10-05 |
| Mason, Donald J | Polanyk, John | 1-0 | B51 | Round 1: Mason, Donald J - Polanyk, John | |
| Mason, Donald J | Giulian, Rosemary A | 1/2-1/2 | B01 | Round 3: Mason, Donald J - Giulian, Rosemary A | |
| Mason, Donald J | Letton, Rob | 1-0 | B27 | Round 5: Mason, Donald J - Letton, Rob | |
| Mason, Donald J | Coffey, Mike J | 1/2-1/2 | C53 | Round 7: Mason, Donald J - Coffey, Mike J |