Predictions / Football / Chile. Primera B / Magallanes vs Cobreloa

Prediction Audit: Magallanes vs Cobreloa Prediction, Odds & AI Betting Tips

Magallanes Magallanes
Aug 12, 2026 - 19:00
2 1.31
2 1.29
xG Accuracy: 68%
Cobreloa Cobreloa

The model missed the final outcome (Draw 2–2).

The model had projected Magallanes 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 Under 2.5 Over 2.5 (4 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Magallanes Draw ✖ Incorrect
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 2-2 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

The closing market prices Magallanes higher than the statistical model.

Largest probability gap: Magallanes -11.8 pp

Outcome Model Closing Market Difference Signal
Magallanes 35.6% 47.4% -11.8 pp Market Higher
Draw 29.6% 27.9% +1.7 pp Aligned
Cobreloa 34.7% 24.7% +10.0 pp Model Edge

The closing market estimates Magallanes's win probability at 47.4%, compared with the model's estimate of 35.6%, a difference of 11.8 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 2–2.

Market Assessment

The market is materially more optimistic about Magallanes 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

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 4 goals materialised
  • Both Teams To Score (Yes) matched the full-time result

What failed

  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (4 goals)
  • 1X2: model leaned Magallanes; match finished Draw

Market lesson

The closing market differed from the model on Magallanes by 11.8 percentage points (47.4% 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. Aug 12, 2026 · 18:59 UTC Forecast generated
    • Model 1X2 · Magallanes 35.6% · Draw 29.7% · Cobreloa 34.7%
    • xG · Magallanes 1.31 — Cobreloa 1.29
  2. Aug 12, 2026 · 18:30 UTC Opening odds snapshot PRE30
    • 1X2 odds · Magallanes 1.93 · Draw 3.28 · Cobreloa 3.71
    • Implied 1X2 · Magallanes 47.4% · Draw 27.9% · Cobreloa 24.7%
    • Bookmaker · Pinnacle
  3. Aug 12, 2026 · 18:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Magallanes 1.93 · Draw 3.28 · Cobreloa 3.71
    • Implied 1X2 · Magallanes 47.4% · Draw 27.9% · Cobreloa 24.7%
    • Bookmaker · Pinnacle
  4. Aug 12, 2026 · 19:00 UTC Kickoff
  5. FT Full-time result Draw · 2–2
  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 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) 41/100
Betting Confidence 45/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 06, 2026 · 01:38 UTC Snapshot ID: dp-3095714

Closing Odds 1.93
AI Fair Odds —
CLV Pending
Final Result Draw · Magallanes 2–2 Cobreloa
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

Quick read on how the model reads this matchup.

  • League: Primera B
  • Fixture: Magallanes vs Cobreloa
  • Kickoff: 2026-08-12 19:00:00
  • 1X2 (model): Home 35.6% · Draw 29.7% · Away 34.7%
  • xG (showing): Magallanes 1.31 — Cobreloa 1.29 (total xG ≈ 2.6)
  • Value headline: None (actionable) — best tracked EV is about +1.0%, still below the +2.0% minimum for a headline / default stake (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 Under 2.5; BTTS Yes
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.6%)

When book depth is thin or odds are missing, EV may be unavailable even though the model still prefers one side on totals or BTTS — wait for cleaner prices or skip.

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 28, 2026 (UTC)

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Primera B Primera B — Standings
# TEAM MP W D L PTS
1 Santiago Wanderers 24 12 8 4 44
2 Cobreloa 24 11 9 4 42
3 San Luis 24 11 8 5 41
4 Magallanes 25 11 7 7 40
5 Antofagasta 25 10 8 7 38
6 Recoleta 25 10 8 7 38
7 San Marcos de Arica 25 9 9 7 36
8 Union Espanola 25 10 6 9 36
9 D. Puerto Montt 25 10 4 11 34
10 Deportes Temuco 25 8 8 9 32
11 Deportes Copiapo 24 8 7 9 31
12 Deportes Iquique 25 6 10 9 28
13 Curico Unido 25 6 9 10 27
14 Deportes Santa Cruz 25 4 10 11 22
15 Union San Felipe 23 5 7 11 22
16 Rangers de Talca 25 4 6 15 18
# TEAM MP GS GC +/- PTS
1 Antofagasta 25 42 26 +16 38
2 Cobreloa 24 42 27 +15 42
3 Magallanes 25 41 38 +3 40
4 Santiago Wanderers 24 40 25 +15 44
5 Deportes Temuco 25 40 35 +5 32
6 San Luis 24 38 29 +9 41
7 Recoleta 25 36 33 +3 38
8 Deportes Iquique 25 33 30 +3 28
9 Deportes Copiapo 24 33 38 -5 31
10 Union Espanola 25 32 32 0 36
11 San Marcos de Arica 25 31 23 +8 36
12 D. Puerto Montt 25 26 31 -5 34
13 Deportes Santa Cruz 25 26 38 -12 22
14 Rangers de Talca 25 23 40 -17 18
15 Curico Unido 25 22 38 -16 27
16 Union San Felipe 23 15 37 -22 22
Primera B Chile. Primera B Predictions