Predictions / Football / Chile. Copa Chile / Union La Calera vs U. Catolica

Prediction Audit: Union La Calera vs U. Catolica Prediction, Odds & AI Betting Tips

Union La Calera Union La Calera
Sep 23, 2026 - 23:30
1 1.29
1 1.31
xG Accuracy: 85%
U. Catolica U. Catolica

The model missed the final outcome (Draw 1–1).

The model had projected U. Catolica at 35.6%, 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 Over 2.5 Under 2.5 (2 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 U. Catolica Draw ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 1-1 ✔ Correct

Model vs Closing Market

Moderate Disagreement

The closing market prices U. Catolica higher than the statistical model.

Largest probability gap: U. Catolica -8.0 pp

Outcome Model Closing Market Difference Signal
Union La Calera 34.7% 27.0% +7.7 pp Model Higher
Draw 29.6% 29.4% +0.3 pp Aligned
U. Catolica 35.6% 43.6% -8.0 pp Market Higher

The closing market estimates U. Catolica's win probability at 43.6%, compared with the model's estimate of 35.6%, a difference of 8.0 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 Draw 1–1.

Market Assessment

The market and model broadly agree on U. Catolica. The remaining divergence may reflect differences in team-strength assumptions rather than a directional disagreement.

  • Monitor line movement before kickoff — not a betting recommendation.

Post Match Insights

What worked

  • Both Teams To Score (Yes) matched the full-time result
  • Exact score 1–1 fell within the model's highlighted bins

What failed

  • Over / Under 2.5: model leaned Over 2.5; match finished Under 2.5 (2 goals)
  • 1X2: model leaned U. Catolica; match finished Draw

Market lesson

The closing market differed from the model on U. Catolica by 8.0 percentage points (43.6% vs model 35.6%) — in this case the market view proved closer.

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Prediction Timeline

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

  1. Sep 23, 2026 · 23:29 UTC Forecast generated
    • Model 1X2 · Union La Calera 34.7% · Draw 29.7% · U. Catolica 35.6%
    • xG · Union La Calera 1.29 — U. Catolica 1.31
  2. Sep 23, 2026 · 22:59 UTC Opening odds snapshot PRE30
    • 1X2 odds · Union La Calera 3.40 · Draw 3.12 · U. Catolica 2.10
    • Implied 1X2 · Union La Calera 27.0% · Draw 29.4% · U. Catolica 43.6%
    • Bookmaker · Pinnacle
  3. Sep 23, 2026 · 23:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Union La Calera 3.40 · Draw 3.12 · U. Catolica 2.10
    • Implied 1X2 · Union La Calera 27.0% · Draw 29.4% · U. Catolica 43.6%
    • Bookmaker · Pinnacle
  4. Sep 23, 2026 · 23:30 UTC Kickoff
  5. FT Full-time result Draw · 1–1
  6. FT Prediction missed 1X2 lean did not match full-time result
  7. Archived Prediction review

Historical Snapshot

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

Historical verdict: Observe
Historical Decision No Primary Bet
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 75/100 · High
  • Validation: Pass
Evidence ★★★★★
  • No strong statistical edge
  • Direction agrees with model lean
  • Validation passed
Pricing proximity (inverse gap) 59/100
Betting Confidence 78/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 17, 2026 · 01:52 UTC Snapshot ID: dp-9169348

Closing Odds 2.1
AI Fair Odds —
CLV Pending
Final Result Draw · Union La Calera 1–1 U. Catolica
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

Below is a compact, numbers-first snapshot aligned with the same engine as the cards above.

  • League: Copa Chile
  • Fixture: Union La Calera vs U. Catolica
  • Kickoff: 2026-09-23 23:30:00
  • 1X2 (model): Home 34.7% · Draw 29.7% · Away 35.6%
  • xG (showing): Union La Calera 1.29 — U. Catolica 1.31 (total xG ≈ 2.6)
  • Value headline: None — no positive EV on tracked lines at current best prices (same as the decision block: no default bet).
  • Structural leans (not bets): Structural lean (model): O/U 2.5 Under 2.5 (Under 2.5 51.8% · Over 2.5 48.2%); BTTS Yes (Yes 54.5% · No 45.5%) Value lean (pricing): O/U 2.5 Over 2.5; BTTS Yes
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.6%)

Saying “no value” on a snapshot is a feature, not a bug: it protects readers from forcing a play when the edge is not there.

Prefer skipping to over-staking when the engine is honest about missing edge.

Historical Recommendation

Historical Decision: No Primary Bet

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 30, 2026 (UTC)

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