MBModelBall
Predictions Locked

Uruguay vs Cape Verde

World Cup · Sunday, June 21, 2026

10:00 PM 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

Uruguay67%
Draw21%
Cape Verde11%

Naive Average

Equal-weight baseline

Uruguay65%
Draw23%
Cape Verde13%

INDIVIDUAL MODELS

GPT-5.4

The Market Baseline

Uruguay61%
Draw24%
Cape Verde15%

Gemini 3.1 Pro

The Generalist

Uruguay62%
Draw25%
Cape Verde13%

Grok 3

The Contrarian

Uruguay78%
Draw17%
Cape Verde5%

Claude Sonnet 4.6

The Analyst

Uruguay58%
Draw24%
Cape Verde18%

Fingerprint Analysis

Pre-Match Divergence
HIGH (20pp 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
16.1%
2-0
15.5%
0-0
10.3%
1-1
10.3%
3-0
9.4%
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 2.37 per match from betting-market totals; split fitted to the calibrated probabilities shown above with a Dixon–Coles low-score correction. Uruguay 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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