Prediction Audit: Costa Rica U20 vs Mexico U20 Prediction, Odds & AI Betting Tips

Costa Rica U20

Jul 28, 2026 - 02:00

0 1.32

2 1.28

xG Accuracy: 57%

Mexico U20

The model missed the final outcome (Mexico U20 win 0–2).

The model had projected Costa Rica U20 at 36.1%, but the full-time result went the other way.

Tracked markets vs full-time result

Prediction grade F

Each row compares the pre-match model lean to the full-time result.

Market Prediction Result Outcome
Over / Under 2.5 Under 2.5 Under 2.5 (2 goals) ✔ Correct
Both Teams To Score BTTS Yes No ✖ Incorrect
1X2 Costa Rica U20 Mexico U20 ✖ Incorrect
Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 0-2 ✖ Incorrect

Model vs Closing Market

Outcome	Model	Closing Market	Difference	Signal
Costa Rica U20	36.1%	10.6%	+25.5 pp	Model Edge
Draw	29.6%	20.0%	+9.6 pp	Model Higher
Mexico U20	34.2%	69.4%	-35.1 pp	Market Higher

The closing market estimates Mexico U20's win probability at 69.4%, compared with the model's estimate of 34.2%, a difference of 35.1 percentage points. This highlights a disagreement between the model and market consensus, without indicating which view is ultimately correct.

Model probabilities are generated from the statistical xG model using a Poisson distribution. Closing market probabilities are derived from consensus closing 1X2 odds after margin removal. Values represent implied probabilities rather than betting recommendations. Closing snapshot: PRE1.

After full time, the result was Mexico U20 win 0–2.

Post Match Insights

What worked

Under 2.5 goals aligned with the xG profile

What failed

Both Teams To Score: model leaned BTTS Yes; match finished BTTS No
1X2: model leaned Costa Rica U20; match finished Mexico U20

Market lesson

The closing market differed from the model on Costa Rica U20 by 35.1 percentage points (71.2% vs model 36.1%) — in this case the market view proved closer.

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Prediction Timeline

How this prediction moved from forecast to full-time review.

Jul 28, 2026 · 19:11 UTC Forecast generated
- Model 1X2 · Costa Rica U20 36.1% · Draw 29.7% · Mexico U20 34.2%
- xG · Costa Rica U20 1.32 — Mexico U20 1.28
Jul 28, 2026 · 01:29 UTC Opening odds snapshot PRE30
- 1X2 odds · Costa Rica U20 8.50 · Draw 4.50 · Mexico U20 1.30
- Implied 1X2 · Costa Rica U20 10.6% · Draw 20.0% · Mexico U20 69.4%
- Bookmaker · Bet365
Jul 28, 2026 · 01:59 UTC Closing snapshot recorded PRE1
- 1X2 odds · Costa Rica U20 8.50 · Draw 4.50 · Mexico U20 1.30
- Implied 1X2 · Costa Rica U20 10.6% · Draw 20.0% · Mexico U20 69.4%
- Bookmaker · Bet365
Jul 28, 2026 · 02:00 UTC Kickoff
FT Full-time result Mexico U20 win · 0–2
FT Prediction missed 1X2 lean did not match full-time result
Archived Prediction review

Historical Snapshot

Frozen at kickoff — the model output as it stood before the match started.

Historical verdict: Cautious / Wait

Historical label: Originally displayed as "Wait for validation".

Historical Decision Wait

Outcome Missed

Pre-match metrics (historical context)

Prediction Reliability 31/100 · Low

Validation: Fail
Large market gap (35 pp)

Evidence ★★★★★

No strong statistical edge
Market strongly disagrees on price
Validation failed

Pricing proximity (inverse gap) 0/100

Monitoring Confidence 9/100

Validation Report

Immutable Snapshot

Prediction Time: Jul 23, 2026 · 13:46 UTC Snapshot ID: dp-1451036

Closing Odds 1.3

AI Fair Odds —

CLV Pending

Final Result Mexico U20 win · Costa Rica U20 0–2 Mexico U20

Prediction ✖ Missed

Decision Grade F

Model Performance

This prediction contributes to:

Primary Bets ROI (180d): -100.0%

Review FAQ

How accurate was the prediction?: This page grades directional markets (1X2, Over/Under 2.5, BTTS) against the full-time result. The prediction grade reflects how many of those tracked markets matched reality.
What does xG Accuracy measure?: xG Accuracy compares the model's pre-match expected-goals profile to the actual scoreline — not whether every market hit. A strong directional review can coexist with a moderate xG accuracy score.
Why wasn't the exact score predicted?: Correct-score outcomes are low-probability tails even when the model reads the match profile well. We highlight top score bins for context; missing the exact line does not invalidate a directional review.
Does this improve the AI record?: Each finished match is logged in our validation pipeline. Aggregated hit rates and CLV studies are published separately — this page is the per-match audit trail.

Predictions are for informational purposes only. Always gamble responsibly and within your limits. Past performance does not guarantee future results.

AI match briefing

AI Match Summary

Model favours Costa Rica U20; market prices Mexico U20 instead — inputs may be missing or stale.

Model: Costa Rica U20 1.32 xG vs Mexico U20 1.28 → Costa Rica U20 36.1%
Market: Mexico U20 ~10.6% implied
Validation failed — do not treat 1X2 EV as actionable.

Do not act on 1X2 value until validation passes. Structural leans (O/U, BTTS) need separate odds review.

Historical Recommendation

Historical Decision: Wait

Outcome: Missed — Pre-match 1X2 lean did not match the full-time result.

Risk Factors Considered Before Kickoff

Price movement: implied probabilities and EV move with odds.
Sample / data gaps: low-information leagues widen forecast bands.
In-play state: goals and red cards are not modelled here.
Scoreline variance: the most likely scoreline is still usually a low absolute probability outcome (often well below 20%).

Last Updated

September 29, 2026 (UTC)

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