I claim yes, very much so, to the first question. It's a big topic, though, and I'm not sure I want to get into it in depth right now since our chess club starts in two hours.
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https://www.chess.com/forum/view/general/chess-and-logical-thinking
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https://www.chess.com/forum/view/general/is-chess-a-game-of-logic
Can chess help a person think more rationally and be less indecisive in every day life? Or does chess have absolutely no influence on our 'real' lives?