41 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koudounis, Vasileios | Galopoulos, Nikolaos | 0-1 | D55 | Round 7: Koudounis, Vasileios - Galopoulos, Nikolaos | 2026-07-10 |
| Koudounis, Vasileios | Stoimenidis, Dimitrios | 1/2-1/2 | A05 | Round 4: Koudounis, Vasileios - Stoimenidis, Dimitrios | 2026-07-07 |
| Koudounis, Vasileios | Kalogeris, Ioannis | 0-1 | A46 | Round 2: Koudounis, Vasileios - Kalogeris, Ioannis | 2026-07-06 |
| Koudounis, Vasileios | Dudognon, Thibault | 1-0 | D94 | Round 1: Koudounis, Vasileios - Dudognon, Thibault | 2025-10-19 |
| Koudounis, Vasileios | Frendzas, Panayotis | 1/2-1/2 | D50 | Round 2: Koudounis, Vasileios - Frendzas, Panayotis | 2025-07-03 |
| Koudounis, Vasileios | Christodoulou, Panagiotis | 0-1 | A07 | Round 3: Koudounis, Vasileios - Christodoulou, Panagiotis | 2025-07-03 |
| Koudounis, Vasileios | Karamichos, Michail | 0-1 | D15 | Round 6: Koudounis, Vasileios - Karamichos, Michail | 2025-07-03 |
| Koudounis, Vasileios | Wang, Lachlan | 0-1 | A48 | XI Sunway Sitges International Chess Festival 2024 - Group A | 2024-12-18 |
| Koudounis, Vasileios | Gormally, Daniel W | * | E47 | XI Sunway Sitges International Chess Festival 2024 - Group A | 2024-12-13 |
| Koudounis, Vasileios | Frendzas, Panayotis | 1/2-1/2 | D32 | Greek League 2024 | 2024-07-07 |
| Koudounis, Vasileios | Georgiadis, Athanasios Kat | 1/2-1/2 | E71 | Round 1: Koudounis, Vasileios - Georgiadis, Athanasios Kat | 2024-03-30 |
| Vasileios Koudounis | Spyridon Kapnisis | 1/2-1/2 | E20 | Finals: Vasileios Koudounis - Spyridon Kapnisis | 2023-08-24 |
| Vasileios Koudounis | Spyridon Kapnisis | 0-1 | E71 | TIE BREAK 5min + 3sec: Vasileios Koudounis - Spyridon Kapnisis | 2023-08-24 |
| Vasileios Koudounis | Lazaros Gimnopoulos | 1-0 | A40 | Quarter - Finals: Vasileios Koudounis - Lazaros Gimnopoulos | 2023-08-23 |
| Koudounis, Vasileios | Lirindzakis, Timotheos | 1-0 | E04 | National Greek Team Championship | 2022-08-17 |
| Koudounis, Vasileios | Zwardon, Vojtech | 1-0 | E04 | 15th Paleochora Open | 2022-07-17 |
| Koudounis, Vasileios | Zarnowski, Krzysztof | 1/2-1/2 | A50 | Cracovia 2021 B | 2022-01-02 |
| Koudounis, Vasileios | Cichon, Jakub | 0-1 | E26 | Cracovia 2021 B | 2021-12-30 |
| Koudounis, Vasileios | Szczurek, Krzysztof | 0-1 | A55 | Cracovia 2021 B | 2021-12-28 |