Predictions / Football / Chile. Primera División / Cobresal vs Palestino

Prediction Audit: Cobresal vs Palestino Prediction, Odds & AI Betting Tips

Cobresal Cobresal
Aug 28, 2026 - 22:30
2 1.28
0 1.41
xG Accuracy: 56%
Palestino Palestino

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

The model had projected Palestino at 38.5%, 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 No ✖ Incorrect
  • 1X2 Palestino Cobresal ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 2-0 ✖ Incorrect

Model vs Closing Market

Moderate Disagreement

The closing market prices Cobresal higher than the statistical model.

Largest probability gap: Cobresal -5.2 pp

Outcome Model Closing Market Difference Signal
Cobresal 32.5% 37.7% -5.2 pp Market Higher
Draw 29.0% 26.9% +2.1 pp Aligned
Palestino 38.5% 35.4% +3.1 pp Aligned

The closing market estimates Cobresal's win probability at 37.7%, compared with the model's estimate of 32.5%, a difference of 5.2 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 result was Cobresal win 2–0.

Market Assessment

The market and model broadly agree on Cobresal. 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 failed

  • Both Teams To Score: model leaned BTTS Yes; match finished BTTS No
  • Over / Under 2.5: model leaned Over 2.5; match finished Under 2.5 (2 goals)

Market lesson

The closing market differed from the model on Palestino by 5.2 percentage points (43.7% vs model 38.5%) — 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. Aug 28, 2026 · 22:29 UTC Forecast generated
    • Model 1X2 · Cobresal 32.5% · Draw 29.0% · Palestino 38.5%
    • xG · Cobresal 1.28 — Palestino 1.41
  2. Aug 28, 2026 · 21:59 UTC Opening odds snapshot PRE30
    • 1X2 odds · Cobresal 2.55 · Draw 3.57 · Palestino 2.72
    • Implied 1X2 · Cobresal 37.7% · Draw 26.9% · Palestino 35.4%
    • Bookmaker · Pinnacle
  3. Aug 28, 2026 · 22:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Cobresal 2.55 · Draw 3.57 · Palestino 2.72
    • Implied 1X2 · Cobresal 37.7% · Draw 26.9% · Palestino 35.4%
    • Bookmaker · Pinnacle
  4. Aug 28, 2026 · 22:30 UTC Kickoff
  5. FT Full-time result Cobresal win · 2–0
  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: Monitor
Historical Decision Monitor
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 76/100 · High
  • Validation: Pass
Evidence ★★★★★
  • No strong statistical edge
  • Direction agrees with model lean
  • Validation passed
Market Compatibility 25/100
Monitoring Confidence 34/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 22, 2026 · 04:36 UTC Snapshot ID: dp-4951272

Closing Odds 2.55
AI Fair Odds —
CLV Pending
Final Result Cobresal win · Cobresal 2–0 Palestino
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

Pre-match snapshot for this fixture.

  • League: Primera División
  • Fixture: Cobresal vs Palestino
  • Kickoff: 2026-08-28 22:30:00
  • 1X2 (model): Home 32.5% · Draw 29.0% · Away 38.5%
  • xG (showing): Cobresal 1.28 — Palestino 1.41 (total xG ≈ 2.69)
  • 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 Over 2.5 (Under 2.5 49.6% · Over 2.5 50.4%); BTTS Yes (Yes 56.2% · No 43.8%) Value lean (pricing): O/U 2.5 Over 2.5; BTTS Yes
  • BTTS (model): Yes 56.2% · No 43.8%
  • Correct score (top bin): 1-1 (12.3%)

The decision block shows no default Primary: Primary needs consensus EV ≥ +5.0% plus strength/reliability/calibration gates. A separate Lean/tracked gate is +2.0% (selective only). Lean labels are directional only — not bankroll-sized recommendations.

If lines move materially, re-run generation or refresh — implied probabilities and any future EV readouts will change first.

Historical Recommendation

Historical Decision: Monitor

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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Primera División Primera División — Standings
# TEAM MP W D L PTS
1 Colo Colo 23 17 3 3 54
2 U. Catolica 23 13 3 7 42
3 Universidad de Chile 23 12 6 5 42
4 Everton de Vina 23 10 6 7 36
5 Palestino 23 11 3 9 36
6 Deportes Limache 23 10 3 10 33
7 Nublense 23 8 8 7 32
8 Concepción 23 9 4 10 31
9 D. La Serena 23 7 9 7 30
10 Coquimbo Unido 22 8 5 9 29
11 A. Italiano 23 7 7 9 28
12 O'Higgins 23 8 3 12 27
13 Huachipato 21 7 4 10 25
14 Cobresal 23 7 3 13 24
15 Universidad de Concepcion 22 6 4 12 22
16 Union La Calera 23 4 5 14 17
# TEAM MP GS GC +/- PTS
1 U. Catolica 23 50 33 +17 42
2 Colo Colo 23 48 22 +26 54
3 Deportes Limache 23 43 35 +8 33
4 Everton de Vina 23 37 25 +12 36
5 Palestino 23 36 33 +3 36
6 Universidad de Chile 23 35 19 +16 42
7 D. La Serena 23 34 38 -4 30
8 Cobresal 23 34 44 -10 24
9 Coquimbo Unido 22 31 31 0 29
10 Huachipato 21 29 39 -10 25
11 Nublense 23 28 31 -3 32
12 O'Higgins 23 28 36 -8 27
13 A. Italiano 23 26 31 -5 28
14 Concepción 23 25 26 -1 31
15 Union La Calera 23 19 40 -21 17
16 Universidad de Concepcion 22 17 37 -20 22
# TEAM MP xG xGC +/- PTS
1 U. Catolica 23 1.5 1.2 +0.3 42
2 Nublense 23 1.2 1.5 -0.3 32
3 Colo Colo 23 — — — 54
4 Universidad de Chile 23 — — — 42
5 Everton de Vina 23 — — — 36
6 Palestino 23 — — — 36
7 Deportes Limache 23 — — — 33
8 Concepción 23 — — — 31
9 D. La Serena 23 — — — 30
10 Coquimbo Unido 22 — — — 29
11 A. Italiano 23 — — — 28
12 O'Higgins 23 — — — 27
13 Huachipato 21 — — — 25
14 Cobresal 23 — — — 24
15 Universidad de Concepcion 22 — — — 22
16 Union La Calera 23 — — — 17
Primera División Chile. Primera División Predictions