# Janusz Siekański

> Polish chess player

**Wikidata**: [Q11720456](https://www.wikidata.org/wiki/Q11720456)  
**Source**: https://4ort.xyz/entity/janusz-sieka-ski


## References

1. ratings.fide.com
2. OlimpBase
3. FIDE Standard Ratings as of 31 August 2021
4. FIDE Standard Ratings as of 31 August 2023