# Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players

> **NCT07641335** · NA · RECRUITING · sponsor: **St. Louis University** · enrollment: 12 (estimated)

## Conditions studied

- Cognitive Performance
- Attention
- Reaction Time
- Caffeine

## Interventions

- **DIETARY_SUPPLEMENT:** Caffeinated Coffee
- **DIETARY_SUPPLEMENT:** Decaffeinated Coffee Placebo

## Key facts

- **NCT ID:** NCT07641335
- **Lead sponsor:** St. Louis University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-08-25
- **Primary completion:** 2027-07-30
- **Final completion:** 2027-08-30
- **Target enrollment:** 12 (ESTIMATED)
- **Last updated:** 2026-09-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07641335

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07641335, "Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07641335. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*