Chess and Go trial found no clear overall cognitive benefit
Some fluency and psychological outcomes improved in people with cognitive concerns, while overall cognition did not differ between game and waitlist groups.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In the trial, overall cognition did not differ between the chess or Go groups and the waitlist group. A fluency test improved in the game groups, while mood and quality-of-life findings varied by subgroup. These results do not establish broad cognitive improvement or dementia prevention, even though some psychological outcomes were favorable.
The abstract reports completers without an initial enrollment total and omits effect estimates for the trial's overall cognitive comparison. Subgroup findings should not be generalized to every participant.
What researchers found
Overall cognition: chess or Go versus waitlist
At follow-up; exact assessment timing, effect size and confidence interval were not reported.
Subgroup findings had boundaries
Quality-of-life improvement was reported among participants with mild cognitive impairment, while reduced depression was reported among women in the game groups. These patterns do not show that all participants experienced the same psychological benefits.
What the added review found
The updated meta-analysis found a statistically significant effect on depression, but not cognition. This synthesis is separate from the new trial and does not turn its cognitive result into evidence of benefit.
The original publication
Cognitive and social intervention with Go and chess in early and subjective cognitive decline: The COGniChESs study results, with an updated meta-analysis.
Pozzi FE, Spanio A, Gallo F et al.
J Alzheimers Dis · 2026
- PubMed ID
- 41342683
- Record checked
AI-assisted research and writing. This explains one selected publication; it is not a complete review of everything known. Our approach.
One more question, understood.
Keep track of the research you’ve explored.