# Marek Zakrzewski

> chess player

**Wikidata**: [Q71315344](https://www.wikidata.org/wiki/Q71315344)  
**Source**: https://4ort.xyz/entity/marek-zakrzewski-q71315344


## References

1. [Source](http://www.szachypolskie.pl/marek-zakrzewski/)
2. ratings.fide.com
3. chessgames.com
4. FIDE Standard Ratings as of 30 September 2021
5. FIDE Standard Ratings as of 31 October 2021
6. FIDE Standard Ratings as of 31 December 2021
7. FIDE Standard Ratings as of 31 August 2022
8. FIDE Standard Ratings as of 30 September 2022
9. FIDE Standard Ratings as of 31 August 2023
10. FIDE Standard Ratings as of 30 September 2023
11. FIDE Standard Ratings as of July 2024
12. Lichess user database