Prediction Audit: Real Madrid II vs Alcorcon Prediction, Odds & AI Betting Tips

Sep 27, 2026 - 18:30
1 1.36
2 1.24
xG Accuracy: 74%

The model missed the final outcome (Alcorcon win 1–2).

The model had projected Real Madrid II at 38.0%, 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 (3 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Real Madrid II Alcorcon ✖ Incorrect
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 1-2 ✔ Correct

Model vs Closing Market

Moderate Disagreement

The closing market prices Real Madrid II higher than the statistical model.

Largest probability gap: Real Madrid II -8.7 pp

Outcome Model Closing Market Difference Signal
Real Madrid II 38.0% 46.7% -8.7 pp Market Higher
Draw 29.6% 28.9% +0.7 pp Aligned
Alcorcon 32.4% 24.4% +8.0 pp Model Higher

The closing market estimates Real Madrid II's win probability at 46.7%, compared with the model's estimate of 38.0%, a difference of 8.7 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 Alcorcon win 1–2.

Market Assessment

The market and model broadly agree on Real Madrid II. 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

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 3 goals materialised
  • Both Teams To Score (Yes) matched the full-time result
  • Exact score 1–2 fell within the model's highlighted bins

What failed

  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (3 goals)
  • 1X2: model leaned Real Madrid II; match finished Alcorcon

Market lesson

The closing market differed from the model on Real Madrid II by 8.7 percentage points (46.7% vs model 38.0%) — 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 27, 2026 · 18:29 UTC Forecast generated
    • Model 1X2 · Real Madrid II 38.0% · Draw 29.6% · Alcorcon 32.4%
    • xG · Real Madrid II 1.36 — Alcorcon 1.24
  2. Sep 27, 2026 · 18:01 UTC Opening odds snapshot PRE30
    • 1X2 odds · Real Madrid II 1.96 · Draw 3.17 · Alcorcon 3.75
    • Implied 1X2 · Real Madrid II 46.7% · Draw 28.9% · Alcorcon 24.4%
    • Bookmaker · Pinnacle
  3. Sep 27, 2026 · 18:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Real Madrid II 1.96 · Draw 3.17 · Alcorcon 3.75
    • Implied 1X2 · Real Madrid II 46.7% · Draw 28.9% · Alcorcon 24.4%
    • Bookmaker · Pinnacle
  4. Sep 27, 2026 · 18:30 UTC Kickoff
  5. FT Full-time result Alcorcon win · 1–2
  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: 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) 56/100
Betting Confidence 78/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 21, 2026 · 06:59 UTC Snapshot ID: dp-10144841

Closing Odds 1.96
AI Fair Odds —
CLV Pending
Final Result Alcorcon win · Real Madrid II 1–2 Alcorcon
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 RFEF - Group 2
  • Fixture: Real Madrid II vs Alcorcon
  • Kickoff: 2026-09-27 18:30:00
  • 1X2 (model): Home 38.0% · Draw 29.6% · Away 32.4%
  • xG (showing): Real Madrid II 1.36 — Alcorcon 1.24 (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 54.4% · No 45.6%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes
  • BTTS (model): Yes 54.4% · No 45.6%
  • Correct score (top bin): 1-1 (12.5%)

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: 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 29, 2026 (UTC)

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Primera División RFEF - Group 2 Primera División RFEF - Group 2 — Standings
# TEAM MP W D L PTS
1 Villarreal II 5 4 1 0 13
2 Zaragoza 5 4 0 1 12
3 Real Jaén 4 3 1 0 10
4 Real Murcia 4 3 0 1 9
5 Hércules 5 3 0 2 9
6 Atlético Madrid II 5 2 2 1 8
7 Gimnastic 5 2 1 2 7
8 Sant Andreu 5 2 1 2 7
9 Alcorcon 4 1 3 0 6
10 Ibiza 5 2 0 3 6
11 FC Cartagena 4 1 2 1 5
12 Real Madrid II 4 1 2 1 5
13 Antequera 4 1 2 1 5
14 Águilas 5 1 2 2 5
15 Huesca 4 1 2 1 5
16 Rayo Majadahonda 4 1 1 2 4
17 Algeciras 5 1 1 3 4
18 Juventud Torremolinos 5 0 1 4 1
19 Europa Fc 4 0 1 3 1
20 Teruel 4 0 1 3 1
# TEAM MP GS GC +/- PTS
1 Villarreal II 5 12 5 +7 13
2 Atlético Madrid II 5 9 5 +4 8
3 Real Jaén 4 8 3 +5 10
4 Zaragoza 5 8 5 +3 12
5 Real Murcia 4 8 6 +2 9
6 Gimnastic 5 7 7 0 7
7 Ibiza 5 7 8 -1 6
8 Algeciras 5 7 11 -4 4
9 Alcorcon 4 6 3 +3 6
10 Antequera 4 6 6 0 5
11 Juventud Torremolinos 5 6 11 -5 1
12 Hércules 5 5 5 0 9
13 Sant Andreu 5 5 5 0 7
14 Rayo Majadahonda 4 5 5 0 4
15 FC Cartagena 4 4 3 +1 5
16 Águilas 5 4 6 -2 5
17 Real Madrid II 4 3 2 +1 5
18 Huesca 4 3 5 -2 5
19 Europa Fc 4 2 7 -5 1
20 Teruel 4 0 7 -7 1