Article: How Experts Think - Thoughts on creativity

Interesting article on the mechanisms of how experts think:

Adriaan de Groot, a chess master and psychologist, studied expertise by showing a chess position to players of different ranks. He found that grandmasters evaluated few moves and re-evaluated them less often than other players. One grandmaster evaluated one move twice, then evaluated another and played it. It was the best possible move.

This was generally true: Grandmasters never considered moves that were not one of the top five best possible moves. Other players considered moves as poor as twenty-second-best. The less expert the player, the more options they considered, the more evaluations they made, and the worse their eventual move was.


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