| Name: | Dejan Kosir |
| Federation: |  Slovenia |
| Sex: |
 Male
|
| Born: | 1978 |
 FIDE ID: |
14610272 FIDE Profile |
| ELO Classic: | 1844 |
| ELO Rapid: | 1804 |
| ELO Blitz: | 1873 |
| Years: | 2021 - 2023 |
| Total Games: | 4 |
| Wins: | 0 (0 %) |
| Draws: | 2 (50 %) |
| Losses: | 2 (50 %) |
| Score: | 25 % |
| Tournament | Date | Elo Avg. | Country |
| 33rd TCh-SLO 2023 | 09/22/2023 | 2268 | Slovenia |
| 31st TCh-SLO NML 2021 | 10/08/2021 | 2256 | Slovenia |
| ECO | Opening | Games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 1 games |
| D02 | Queen's pawn game | 1 games |
| ECO | Opening | Games |
| D15 | Queen's Gambit Declined Slav, 4.Nc3 | 1 games |
| D02 | Queen's pawn game | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Kosir, D | 1673 | Tisaj, D | 2419 | 0-1  |
44 | D02 | 2023 | 33rd TCh-SLO 2023 |
|
| Stavanja, M | 2169 | Kosir, D | 1673 | ½-½ |
23 | D02 | 2023 | 33rd TCh-SLO 2023 |
|
| Kosir, D | 1658 | Virtic, F | 2120 | ½-½ |
63 | D31 | 2021 | 31st TCh-SLO NML 2021 |
|
| Marn, J | 2238 | Kosir, D | 1658 | 1-0 |
30 | D15 | 2021 | 31st TCh-SLO NML 2021 |
|
