# Harald Friesenhahn

> chess player

**Wikidata**: [Q27525088](https://www.wikidata.org/wiki/Q27525088)  
**Source**: https://4ort.xyz/entity/harald-friesenhahn


## References

1. Integrated Authority File
2. ratings.fide.com
3. ICCF correspondence chess player database
4. Virtual International Authority File
5. NUKAT
6. OlimpBase