MBModelBall
Predictions Locked

Brazil vs Haiti

World Cup · Saturday, June 20, 2026

12:30 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

Brazil88%
Draw9%
Haiti3%

Naive Average

Equal-weight baseline

Brazil87%
Draw10%
Haiti4%

INDIVIDUAL MODELS

GPT-5.4

The Market Baseline

Brazil84%
Draw11%
Haiti5%

Grok 3

The Contrarian

Brazil92%
Draw7%
Haiti1%

Gemini 3.1 Pro

The Generalist

Brazil88%
Draw9%
Haiti3%

Claude Sonnet 4.6

The Analyst

Brazil83%
Draw11%
Haiti6%

Fingerprint Analysis

Pre-Match Divergence
MEDIUM (9pp spread)
Most Divergent Model
Grok 3
Fingerprint Prediction
grok shows calibration differences on Team narrative override

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

3-0
3-0
13.0%
2-0
12.0%
4-0
10.4%
3-1
7.1%
1-0
7.1%
Each model's scoreline pick
Claude Sonnet 4.6 3-0Gemini 3.1 Pro 3-0GPT-5.4 3-0Grok 3 3-0

Goal expectancy 3.77 per match from betting-market totals; split fitted to the calibrated probabilities shown above with a Dixon–Coles low-score correction. Brazil 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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