"Design a clear and simple interface. The primary task of the interface is to present the player with a choice of the available actions at each moment and to provide instant feedback when the player makes a choice."

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I have also heard that GM Oscar Panno said that -whenever you have to make a rook move and both rooks are available for said move- you should evaluate which rook to move and, once you have made up your mind... MOVE THE OTHER ONE!!!

— Oscar Panno