Marek Zydor
@mrqwerty
Poland, Tuczno
Joined Oct 2019
World Rank: #1517 (19.3 points)
Institution: ZS nr 4 RCKU Wałcz
Activity over the last year
Effectiveness
- Problems solved
- 275
- Solutions submitted
- 918
Poland, Tuczno
Joined Oct 2019
World Rank: #1517 (19.3 points)
Institution: ZS nr 4 RCKU Wałcz