26 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kogen, Jonathan | Finegold, Benjamin | 1/2-1/2 | D78 | Round 5: Kogen, Jonathan - Finegold, Benjamin | 2025-04-27 |
| Kogen, Jonathan | Bregadze, Levan | 1/2-1/2 | E32 | Round 3: Kogen, Jonathan - Bregadze, Levan | 2025-04-26 |
| Kogen, Jonathan | Kaplan, Avi Harrison | 1-0 | A43 | 2024 Illinois Open | 2024-09-02 |
| Kogen, Jonathan | Lehmann, Spencer | 1-0 | A40 | 2024 Illinois Open | 2024-09-01 |
| Kogen, Jonathan | Field, Rowan Soraya | 1-0 | D78 | 2024 Illinois Open | 2024-08-31 |
| Jonathan Kogen | Advaith Karthik | 1/2-1/2 | E19 | Round 5: Jonathan Kogen - Advaith Karthik | 2024-01-15 |
| Jonathan Kogen | John Ligotti | 1/2-1/2 | E05 | Round 3: Jonathan Kogen - John Ligotti | 2024-01-14 |
| Jonathan Kogen | Djurabek Khamrakulov | 0-1 | E05 | Round 4: Jonathan Kogen - Djurabek Khamrakulov | 2023-08-13 |
| Jonathan Kogen | Matthew Puckett | 1-0 | E05 | Round 8: Jonathan Kogen - Matthew Puckett | 2021-12-30 |
| Jonathan Kogen | Donald Johnson | 1-0 | D78 | Round 6: Jonathan Kogen - Donald Johnson | 2021-12-29 |
| Jonathan Kogen | Alperen Kanli | 1-0 | D02 | Round 4: Jonathan Kogen - Alperen Kanli | 2021-12-28 |
| Jonathan Kogen | Carter Peatman | 1-0 | D20 | Round 2: Jonathan Kogen - Carter Peatman | 2021-12-27 |
| Kogen, Jonathan | Klugstedt, Vincent | 1-0 | A46 | 2024 Illinois Open |