Here is the 4th challenging Brain Applies Game. "Brain Applies : 9 Queens"
Want to increase your brain concentration, mathematics skills, problem solving skills. Here is an App for you.
The puzzle was originally proposed in 1848 by the chess player Max Bezzel.
The nine queens puzzle is the problem of placing nine chess queens on an 9×9 chessboard so that no two queens attack each other.
Thus, a solution requires that no two queens share the same row, column, or diagonal.
Test your chess skills.
Try to solved all 200 solution and increase your skills.
Excellent app for any age or gender!
You will love this "Brain Applies : 9 Queens".
Easy to Play.
4 beautiful chess boards.
iOS 6.0 or Later.