Prediction Audit: Arosa vs Deportivo Alavés II Prediction, Odds & AI Betting Tips

Sep 27, 2026 - 15:00
2 1.32
5 1.28
xG Accuracy: 30%

The model missed the final outcome (Deportivo Alavés II win 2–5).

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

Tracked markets vs full-time result

Prediction grade C

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

  • Market Prediction Result Outcome
  • Over / Under 2.5 Over 2.5 Over 2.5 (7 goals) ✔ Correct
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Arosa Deportivo Alavés II ✖ Incorrect
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 2-5 ✖ Incorrect

Model vs Closing Market

Broadly Aligned

The model and closing market are broadly aligned.

Largest probability gap: Arosa -2.7 pp

Outcome Model Closing Market Difference Signal
Arosa 36.1% 38.8% -2.7 pp Aligned
Draw 29.6% 29.1% +0.6 pp Aligned
Deportivo Alavés II 34.2% 32.1% +2.1 pp Aligned

The model and closing market are broadly aligned, with probability differences below 5 percentage points.

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 Deportivo Alavés II win 2–5.

Market Assessment

The market and model are broadly aligned. Any small pricing gap likely reflects rounding or bookmaker margin, not a structural disagreement.

  • Current pricing remains close to the model baseline.

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 7 goals materialised
  • Both Teams To Score (Yes) matched the full-time result
  • Over 2.5 goals aligned with the xG profile

What failed

  • 1X2: model leaned Arosa; match finished Deportivo Alavés II
  • Exact score: outside the model's top score bins

Market lesson

The full-time result was Deportivo Alavés II win 2–5, which did not match the model's pre-match lean on 1X2.

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Prediction Timeline

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

  1. Sep 27, 2026 · 14:59 UTC Forecast generated
    • Model 1X2 · Arosa 36.1% · Draw 29.7% · Deportivo Alavés II 34.2%
    • xG · Arosa 1.32 — Deportivo Alavés II 1.28
  2. Sep 27, 2026 · 14:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Arosa 2.36 · Draw 3.15 · Deportivo Alavés II 2.85
    • Implied 1X2 · Arosa 38.8% · Draw 29.1% · Deportivo Alavés II 32.1%
    • Bookmaker · Pinnacle
  3. Sep 27, 2026 · 14:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Arosa 2.36 · Draw 3.15 · Deportivo Alavés II 2.85
    • Implied 1X2 · Arosa 38.8% · Draw 29.1% · Deportivo Alavés II 32.1%
    • Bookmaker · Pinnacle
  4. Sep 27, 2026 · 15:00 UTC Kickoff
  5. FT Full-time result Deportivo Alavés II win · 2–5
  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 78/100 · High
  • Validation: Pass
Evidence ★★★★★
  • No strong statistical edge
  • Direction agrees with model lean
  • Validation passed
Market Compatibility 86/100
Betting Confidence 81/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 21, 2026 · 01:52 UTC Snapshot ID: dp-10100210

Closing Odds 2.36
AI Fair Odds —
CLV Pending
Final Result Deportivo Alavés II win · Arosa 2–5 Deportivo Alavés II
Prediction ✖ Missed
Decision Grade C

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: Segunda División RFEF - Group 1
  • Fixture: Arosa vs Deportivo Alavés II
  • Kickoff: 2026-09-27 15:00:00
  • 1X2 (model): Home 36.1% · Draw 29.7% · Away 34.2%
  • xG (showing): Arosa 1.32 — Deportivo Alavés II 1.28 (total xG ≈ 2.6)
  • Value headline: None (actionable) — best tracked EV is about +0.3%, 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 Over 2.5; BTTS Yes
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.5%)

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

October 01, 2026 (UTC)

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Segunda División RFEF - Group 1 Segunda División RFEF - Group 1 — Standings
# TEAM MP W D L PTS
1 Sestao River 4 3 0 1 9
2 Ourense CF 4 3 0 1 9
3 Gernika 3 2 1 0 7
4 Bergantiños 3 2 1 0 7
5 Portugalete 3 2 1 0 7
6 Eibar II 3 2 0 1 6
7 Deportivo Alavés II 3 2 0 1 6
8 Coruxo 3 1 1 1 4
9 Basconia 3 1 1 1 4
10 Amorebieta 4 1 1 2 4
11 Compostela 3 1 1 1 4
12 Atlético Astorga 4 1 0 3 3
13 Marino de Luanco 3 1 0 2 3
14 Real Oviedo II 3 1 0 2 3
15 Gimnástica Torrelavega 3 1 0 2 3
16 Arosa 3 0 2 1 2
17 Racing Santander II 3 0 1 2 1
18 Llanera 3 0 0 3 0
# TEAM MP GS GC +/- PTS
1 Gernika 3 10 2 +8 7
2 Bergantiños 3 6 2 +4 7
3 Basconia 3 6 6 0 4
4 Sestao River 4 5 2 +3 9
5 Ourense CF 4 5 3 +2 9
6 Deportivo Alavés II 3 5 4 +1 6
7 Atlético Astorga 4 5 6 -1 3
8 Eibar II 3 4 2 +2 6
9 Coruxo 3 4 3 +1 4
10 Amorebieta 4 4 4 0 4
11 Arosa 3 4 8 -4 2
12 Portugalete 3 3 1 +2 7
13 Marino de Luanco 3 3 5 -2 3
14 Real Oviedo II 3 3 6 -3 3
15 Compostela 3 2 3 -1 4
16 Gimnástica Torrelavega 3 2 5 -3 3
17 Llanera 3 2 8 -6 0
18 Racing Santander II 3 1 4 -3 1