In algebraic notation (chess), one of the valid arrangements is as follows:
a b c d e f g h
+---------------------------------------------+
8 | * * # # * * | 8
+---------------------------------------------+
7 | * * # # * * # | 7
+---------------------------------------------+
6 | * * # * * # # | 6
+---------------------------------------------+
5 | * * * * # # | 5
+---------------------------------------------+
4 | * * * * * * # * | 4
+---------------------------------------------+
3 | Q Q * * * * * * | 3
+---------------------------------------------+
2 | Q Q * * * Q * * | 2
+----------------------------------------------+
1 | Q * * * Q Q * * | 1
+----------------------------------------------+
a b c d e f g h
where:
--> Each Q denotes the placement of the queens.
--> Each (#) denotes an unattacked square.
--> Each (*) denotes a square under attack.
Edited on July 5, 2022, 7:54 am
Puzzle Solution
