Süleyman Öztürk

Public forecaster · Voetbal International · As of 2026-08-31

Brier Index

79.9 /100

n = 2 resolved · Rank 5 · Raw Brier: 0.040

Latest resolution

“Netherlands reaches final / strong Oranje performance in Group F and beyond”

False

Brier Index

82.0 → 79.9 (-2.1)

Overall rank

3 → 5

Full evidence trail →

Topic overview

Knockout & winner 80.0 (2)

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

Resolved predictions

“Portugal wins World Cup 2026 (Netherlands in final)”

False

Published: June 2026 · Resolved: July 2026 Winner

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.

Prediction	Brier
pred-2026-06-01-ozturk-portugal-winner	0.032
pred-2026-06-01-ozturk-nl-final	0.048

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