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Enroll as a participant in our active cognitive experiments. We need players of all rating levels (Beginner to Grandmaster).

Select Study Choose active experiment... #EXP-291: Blitz Decision Fatigue #EXP-300: Knight Visualization Test General Participant Pool (Notify me)

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Current Rating Range (Rapid) Under 1000 1000 - 1400 1400 - 1800 1800 - 2200 2200+ (Master)

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