Spielerdaten
| Name: | Olaf Kostrzewa |
| Verein: | Schachvereinigung Marten-Bövinghausen |
| DWZ: | 1092 |
| Nr. | Turnier | Pkt. | Part. | We | Gegn. | Lstg. | DWZ - Ind. |
|---|---|---|---|---|---|---|---|
| 1 | SJDO JEM U14 2018/19 | 2.5 | 8 | 1272 | 1095 | 1096 - 1 | |
| 2 | SVR-JEM U14 | 0.0 | 7 | 1.907 | 1295 | 618 | 1001 - 2 |
| 3 | SGDO Bezirksklasse 2018-19 | 0.0 | 4 | 0.964 | 1217 | 953 - 3 | |
| 4 | SJ Dortmund - U20-Bezirksliga | 1.0 | 2 | 0.907 | 987 | 964 - 4 | |
| 5 | SGDO Kreisliga 2019-20 | 2.0 | 2 | 1.079 | 931 | 1069 - 5 | |
| 6 | SJ Dortmund - U20-Bezirksliga | 0.0 | 2 | 1.443 | 903 | 973 - 6 | |
| 7 | SJDO Herbstturnier U14-U18 2020 | 2.0 | 6 | 2.309 | 1126 | 914 | 961 - 7 |
| 8 | SGDO Kreisliga 2021-22 | 1.0 | 3 | 1.118 | 1088 | 955 - 8 | |
| 9 | SGDO Kreisliga 2022/23 | 2.0 | 4 | 1.739 | 1015 | 978 - 9 | |
| 10 | SGDO Kreisliga 2023/24 | 2.5 | 3 | 1.362 | 1059 | 1092 - 10 |