| Name: | Maciej Kowalec |
| Federation: |  Poland |
| Sex: |
 Male
|
| Born: | 1997 |
 FIDE ID: |
1167600 FIDE Profile |
| ELO Classic: | 2124 |
| ELO Rapid: | 2061 |
| ELO Blitz: | 2049 |
| Years: | 2025 - 2025 |
| Total Games: | 4 |
| Wins: | 0 (0 %) |
| Draws: | 2 (50 %) |
| Losses: | 2 (50 %) |
| Score: | 25 % |
| Tournament | Date | Elo Avg. | Country |
| 36th Roquetas de Mar Open | 01/02/2025 | 2229 |  Spain |
| ECO | Opening | Games |
| D02 | Queen's pawn game | 1 games |
| ECO | Opening | Games |
| A30 | English, symmetrical variation | 1 games |
| A03 | Bird's opening | 1 games |
| B10 | Caro-Kann defence | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Cabezas Ayala, I | 2231 | Kowalec, M | 2113 | ½-½  |
34 | B10 | 2025 | 36th Roquetas de Mar Open |
|
| Balinski, D | 2203 | Kowalec, M | 2113 | 1-0 |
34 | A03 | 2025 | 36th Roquetas de Mar Open |
|
| Kowalec, M | 2113 | Luch, M | 2328 | ½-½ |
52 | D02 | 2025 | 36th Roquetas de Mar Open |
|
| Castellanos Rodriguez, R | 2482 | Kowalec, M | 2113 | 1-0 |
24 | A30 | 2025 | 36th Roquetas de Mar Open |
|
