# Eight queens puzzle

> mathematical chess problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other

**Wikidata**: [Q623317](https://www.wikidata.org/wiki/Q623317)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Eight_queens_puzzle)  
**Source**: https://4ort.xyz/entity/eight-queens-puzzle


## References

1. Freebase Data Dumps. 2013
2. Quora