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all topics · head-to-head
Everyone starts at 1500. Beat the other forecasters on the same event and you take points from them; lose and they take yours.
France will win the 2026 World Cup by July 19, 2026.
Humanity will defeat aging by December 31, 2032.
Performance
The share of resolved forecasts that turned out right. Ignores how confident you were.
How close the probabilities were to what actually happened: (probability − outcome)², averaged. 0 is perfect, 0.25 is a coin flip, lower is better.