Forecaster
JK

Joachim Klement

Public forecaster · beIN Sports, BBC, ESPN · As of 2026-08-31

Brier Index
69.2 /100

n = 7 resolved · Rank 14 · Raw Brier: 0.095

Latest resolution

“Netherlands wins 2026 World Cup, defeats Portugal in final”

False

Brier Index

67.1 → 69.2 (+2.1)

Overall rank

14 → 14

Full evidence trail →

Topic overview

Knockout & winner 77.4 (6)
Group stage 42.0 (1)

Grouped categories with Brier Index (0–100, higher is better) and resolved count. Sample sizes remain modest.

Resolved predictions

Ordered by resolution date (most recent first), then publication date. No editorial ranking applied. Sample sizes remain modest; treat scores as provisional.

Score composition

Individual Brier contribution of every resolved prediction in the overall mean (as of 20260831T180355Z · brier-1.0.0). Lower is better. Overall score is the pure mean of these values.

Scores are mean Brier scores (lower is better). Only resolved predictions are included. Sample sizes remain modest for many topics; treat rankings as provisional.