Peaceable Queens

Peaceable Queens

This task is adapted from following video with Neil Sloane (founder of the On-Line Encyclopedia of Integer Sequences), that you should watch first to learn, how this excellent puzzle works.

You are given a chessboard of custom dimension: size * size. Your goal is to put there as many ♕ and ♛ as possible with these rules of placement:

  • only equal numbers of Queens are allowed;...
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