Predictions / Football / Chile. Segunda División / Colina vs Real San Joaquín

Prediction Audit: Colina vs Real San Joaquín Prediction, Odds & AI Betting Tips

Sep 27, 2026 - 20:00
1 1.42
0 1.18
xG Accuracy: 64%

AI correctly predicted the Colina win.

The match finished 1–0, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade B-

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 (1 goals) ✔ Correct
  • Both Teams To Score BTTS Yes No ✖ Incorrect
  • 1X2 Colina Colina ✔ Correct
  • Correct Score Insights 1-1, 1-0, 2-1, 0-1, 2-0 1-0 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices Colina higher than the statistical model.

Largest probability gap: Colina -12.2 pp

Outcome Model Closing Market Difference Signal
Colina 40.9% 53.1% -12.2 pp Market Higher
Draw 29.4% 23.5% +5.9 pp Model Higher
Real San Joaquín 29.7% 23.4% +6.3 pp Model Higher

The closing market estimates Colina's win probability at 53.1%, compared with the model's estimate of 40.9%, a difference of 12.2 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 model's directional lean matched the result (Colina win 1–0).

Market Assessment

The market is materially more optimistic about Colina than the current fair estimate.

  • Investors may be incorporating information not fully reflected in the baseline model.
  • Tournament-specific context can shift market pricing.

Post Match Insights

What worked

  • Under 2.5 goals aligned with the xG profile
  • Exact score 1–0 fell within the model's highlighted bins

What failed

  • Both Teams To Score: model leaned BTTS Yes; match finished BTTS No

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Colina higher (53.1% vs model 40.9%, 12.2 pp), but the model's lean was validated (Colina win 1–0).

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Prediction Timeline

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

  1. Sep 27, 2026 · 19:59 UTC Forecast generated
    • Model 1X2 · Colina 41.0% · Draw 29.4% · Real San Joaquín 29.6%
    • xG · Colina 1.42 — Real San Joaquín 1.18
  2. Sep 27, 2026 · 19:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Colina 1.70 · Draw 3.84 · Real San Joaquín 3.86
    • Implied 1X2 · Colina 53.1% · Draw 23.5% · Real San Joaquín 23.4%
    • Bookmaker · Pinnacle
  3. Sep 27, 2026 · 19:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Colina 1.70 · Draw 3.84 · Real San Joaquín 3.86
    • Implied 1X2 · Colina 53.1% · Draw 23.5% · Real San Joaquín 23.4%
    • Bookmaker · Pinnacle
  4. Sep 27, 2026 · 20:00 UTC Kickoff
  5. FT Full-time result Colina win · 1–0
  6. FT Prediction validated Directional lean matched full-time result
  7. Archived Prediction review

Historical Snapshot

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

Historical verdict: Monitor
Historical Decision Monitor
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 57/100 · Moderate
  • Validation: Warning
  • Large market gap (12 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market has already priced much of the edge
  • Validation warning
Pricing proximity (inverse gap) 39/100
Betting Confidence 45/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 21, 2026 · 02:23 UTC Snapshot ID: dp-10111194

Closing Odds 1.7
AI Fair Odds —
CLV Pending
Final Result Colina win · Colina 1–0 Real San Joaquín
Prediction ✔ Correct
Decision Grade B-

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

Quick read on how the model reads this matchup.

  • League: Segunda División
  • Fixture: Colina vs Real San Joaquín
  • Kickoff: 2026-09-27 20:00:00
  • 1X2 (model): Home 41.0% · Draw 29.4% · Away 29.6%
  • xG (showing): Colina 1.42 — Real San Joaquín 1.18 (total xG ≈ 2.6)
  • Best +EV line (same label as hero card when Primary thresholds are not met): Under 2.5 goals
  • Model: 51.8% · Implied: 47.8% · Probability edge: +4.1 pts · Est. EV: +3.6%
  • BTTS (model): Yes 54.1% · No 45.9%
  • Correct score (top bin): 1-1 (12.4%)

Where EV is shown, it is estimated return per unit stake at the best tracked decimal price — not the same thing as a raw probability gap.

Early match state can move realised goals away from pre-kick projections.

Historical Recommendation

Historical Decision: Monitor

Outcome: Validated — Pre-match lean validated against 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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Segunda División Segunda División — Standings
# TEAM MP W D L PTS
1 Provincial Osorno 12 6 6 0 24
2 Municipal Salamanca 12 5 7 0 22
3 Colchagua 12 6 4 2 22
4 Concón National 12 6 3 3 21
5 Santiago City 12 5 5 2 20
6 Linares Unido 12 6 1 5 19
7 Trasandino 12 5 3 4 18
8 General Velásquez 12 5 1 6 16
9 Real San Joaquín 12 3 4 5 13
10 Lota Schwager 12 3 4 5 13
11 Colina 12 3 3 6 12
12 Deportes Rengo 12 3 2 7 11
13 Santiago Morning 12 2 4 6 10
14 Provincial Ovalle 12 1 3 8 6
# TEAM MP GS GC +/- PTS
1 Trasandino 12 19 17 +2 18
2 Santiago City 12 18 19 -1 20
3 Concón National 12 16 10 +6 21
4 Linares Unido 12 16 12 +4 19
5 Real San Joaquín 12 16 17 -1 13
6 Provincial Osorno 12 15 5 +10 24
7 Colchagua 12 15 11 +4 22
8 Colina 12 15 14 +1 12
9 Municipal Salamanca 12 11 5 +6 22
10 Lota Schwager 12 11 13 -2 13
11 General Velásquez 12 11 15 -4 16
12 Provincial Ovalle 12 11 24 -13 6
13 Deportes Rengo 12 10 17 -7 11
14 Santiago Morning 12 9 14 -5 10