# Semi-Slav Defense

> chess opening 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6

**Wikidata**: [Q1570575](https://www.wikidata.org/wiki/Q1570575)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Semi-Slav_Defense)  
**Source**: https://4ort.xyz/entity/semi-slav-defense


## References

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