MBModelBall

Iran vs New Zealand

World Cup · Tuesday, June 16, 2026

1:00 AM UTC

Match completed

WHAT WE LEARNED

Match is complete. Results and accuracy analysis will be available once the match has been officially scored.

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Predictions Review

The Edge ★

Fingerprint-weighted ensemble

Iran59%
Draw25%
New Zealand16%

Naive Average

Equal-weight baseline

Iran57%
Draw26%
New Zealand18%

INDIVIDUAL MODELS

Claude Sonnet 4.6

The Analyst

Iran50%
Draw26%
New Zealand24%

GPT-5.4

The Market Baseline

Iran49%
Draw29%
New Zealand22%

Grok 3

The Contrarian

Iran71%
Draw21%
New Zealand8%

Gemini 3.1 Pro

The Generalist

Iran58%
Draw26%
New Zealand16%

Fingerprint Analysis

Pre-Match Divergence
HIGH (22pp spread)
Most Divergent Model
Grok 3
Fingerprint Prediction
grok overweights market odds

Once the match is scored, we'll validate whether the fingerprint correctly predicted model accuracy. This is how we prove (or disprove) that knowing biases helps prediction.

Predicted scoreline

1-0
1-0
14.1%
2-0
12.7%
1-1
12.2%
0-0
10.2%
2-1
9.2%
Each model's scoreline pick
Claude Sonnet 4.6 1-0Gemini 3.1 Pro 1-0GPT-5.4 1-0Grok 3 2-0

Goal expectancy 2.40 per match (default — no totals market); split fitted to the calibrated probabilities shown above with a Dixon–Coles low-score correction. Iran listed first.

Ensemble Logic

Odds Divergence Context

Market gives underdog >35% probability

Weights:

Grok 39% · GPT 26% · Claude 18% · Gemini 18%

Active: PC05 (Overconfidence Index)

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