# Pirc Defence

> chess opening 1. e4 d6

**Wikidata**: [Q678245](https://www.wikidata.org/wiki/Q678245)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pirc_Defence)  
**Source**: https://4ort.xyz/entity/pirc-defence


## References

1. Integrated Authority File
2. datos.bne.es
3. Freebase Data Dumps. 2013
4. Faceted Application of Subject Terminology
5. Quora
6. National Library of Israel