Lasker and Capablanca alluded to the chessboard as four quadrants as they both talked extensively about the technique of overloading. Although it is good to remember that for defense it is the opposite, less pieces to allow for flexibility and movement.
Chess Book discussing quadrants?
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The best strategy is to have a clear plan (attack the king, the queen, the knight or just capture a pawn or something) and avoid mistakes. At the end of the day he who makes more mistakes usually loses. How to avoid mistakes if you are not playing well? It brings us to the first point - have a plan, a strategy. With a master plan one is less likely to make mistakes.