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1 reference
Gobet and Simon revisit the claim that chess experts’ memory advantage arises from thousands of familiar chunks stored in long-term memory. Using computerised copying and brief-recall tasks, they replicate and extend classic work while removing possible artefacts from manipulating physical pieces.
Skilled players reproduce meaningful game positions more accurately and organise placement into larger, chess-relevant groupings. The temporal pattern of placing pieces and relations among successive pieces support chunk-based encoding, while modest expertise effects for random positions require refinement of the simplest theory. The authors develop the idea that frequently encountered chunks can become templates with slots that rapidly encode variable information, explaining how masters store more position-specific detail than a fixed short-term capacity would permit. Expertise therefore reflects learned perceptual organisation and retrieval structures, not photographic memory or a general memory expansion.
Educationally, the findings illustrate how extensive domain experience changes what is perceived and remembered, while warning that expert advantages depend strongly on meaningful structure and do not transfer automatically to unrelated material.
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From sources to a coherent pathway