# Mario Bertok

> Croatian chess master (1929-2008)

**Wikidata**: [Q487753](https://www.wikidata.org/wiki/Q487753)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mario_Bertok)  
**Source**: https://4ort.xyz/entity/mario-bertok


## References

1. Croatian Biographical Lexicon
2. [Source](http://jutarnji.hr/crna_kronika/clanak/art-2008,8,21,,130633.jl)
3. Freebase Data Dumps. 2013
4. ratings.fide.com
5. OlimpBase