Caffeine's Effects on Chess Playing and Thinking Skills
This study tests whether caffeine helps professional chess players think more clearly and play better. Researchers will measure your chess performance and mental focus after you take caffeine or a placebo.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are a professional chess player rated between 2300–2600 on the FIDE scale (or achieved this rating in the past year)
- You are between 18 and 50 years old
- You drink caffeine regularly—but no more than 2 cups of coffee per day
- You are willing to visit the study site multiple times and follow all study procedures
- You do not have heart problems, diabetes, psychiatric conditions, or take psychiatric medications
- You are not pregnant, breastfeeding, a current smoker, or a shift worker
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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