🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ623317· pop 34· linked from 95 articlesEight queens puzzlemathematical chess problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each otherConnectionsEdsger W. DijkstraEntitytorusEntityCategories1848 in chessEnumerative combinatoricsMathematical chess problemsMathematical problems