# fortress

> endgame drawing technique in which the side behind in material sets up a zone of protection that the opponent cannot penetrate

**Wikidata**: [Q1408838](https://www.wikidata.org/wiki/Q1408838)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fortress_(chess))  
**Source**: https://4ort.xyz/entity/fortress-q1408838


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)