Prediction Audit: Poortugaal vs Vvsb Prediction, Odds & AI Betting Tips

Aug 15, 2026 - 12:30
0 1.32
1 1.28
xG Accuracy: 64%

The model missed the final outcome (Vvsb win 0–1).

The model had projected Poortugaal at 36.1%, 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 Under 2.5 (1 goals) ✔ Correct
  • Both Teams To Score BTTS Yes No ✖ Incorrect
  • 1X2 Poortugaal Vvsb ✖ Incorrect
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 0-1 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices Vvsb higher than the statistical model.

Largest probability gap: Vvsb -25.8 pp

Outcome Model Closing Market Difference Signal
Poortugaal 36.1% 20.0% +16.1 pp Model Edge
Draw 29.6% 20.0% +9.7 pp Model Higher
Vvsb 34.2% 60.0% -25.8 pp Market Higher

The closing market estimates Vvsb's win probability at 60.0%, compared with the model's estimate of 34.2%, a difference of 25.8 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 Vvsb win 0–1.

Post Match Insights

What worked

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

What failed

  • Both Teams To Score: model leaned BTTS Yes; match finished BTTS No
  • 1X2: model leaned Poortugaal; match finished Vvsb

Market lesson

The closing market differed from the model on Poortugaal by 25.8 percentage points (61.9% vs model 36.1%) — 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 15, 2026 · 12:29 UTC Forecast generated
    • Model 1X2 · Poortugaal 36.1% · Draw 29.7% · Vvsb 34.2%
    • xG · Poortugaal 1.32 — Vvsb 1.28
  2. Aug 15, 2026 · 12:01 UTC Opening odds snapshot PRE30
    • 1X2 odds · Poortugaal 4.50 · Draw 4.50 · Vvsb 1.50
    • Implied 1X2 · Poortugaal 20.0% · Draw 20.0% · Vvsb 60.0%
    • Bookmaker · Bet365
  3. Aug 15, 2026 · 12:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Poortugaal 4.50 · Draw 4.50 · Vvsb 1.50
    • Implied 1X2 · Poortugaal 20.0% · Draw 20.0% · Vvsb 60.0%
    • Bookmaker · Bet365
  4. Aug 15, 2026 · 12:30 UTC Kickoff
  5. FT Full-time result Vvsb win · 0–1
  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: Cautious / Wait

Historical label: Originally displayed as "Wait for validation".

Historical Decision Wait
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 50/100 · Moderate
  • Validation: Warning
  • Large market gap (26 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market strongly disagrees on price
  • Validation warning
Pricing proximity (inverse gap) 0/100
Monitoring Confidence 14/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 09, 2026 · 01:43 UTC Snapshot ID: dp-3346319

Closing Odds 1.5
AI Fair Odds —
CLV Pending
Final Result Vvsb win · Poortugaal 0–1 Vvsb
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: Derde Divisie - Saturday - Saturday
  • Fixture: Poortugaal vs Vvsb
  • Kickoff: 2026-08-15 12:30:00
  • 1X2 (model): Home 36.1% · Draw 29.7% · Away 34.2%
  • xG (showing): Poortugaal 1.32 — Vvsb 1.28 (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 (12.5%)

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.

Most likely correct score stays a low-probability tail: use it for context, not as a must-bet story.

Historical Recommendation

Historical Decision: Wait

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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Derde Divisie - Saturday Derde Divisie - Saturday — Standings
# TEAM MP W D L PTS
1 ACV 7 6 1 0 19
1 Noordwijk 7 5 1 1 16
2 SC Genemuiden 7 6 0 1 18
2 FC Lisse 7 5 1 1 16
3 Harkemase Boys 7 5 2 0 17
3 Rijnvogels 6 4 2 0 14
4 Excelsior '31 7 5 1 1 16
4 Excelsior Maassluis 7 4 2 1 14
5 VV Scherpenzeel 7 5 1 1 16
5 GOES 7 4 2 1 14
6 Sportlust '46 7 4 3 0 15
6 UDI '19 6 3 2 1 11
7 TEC 7 4 1 2 13
7 Zwaluwen 7 3 1 3 10
8 Sparta Nijkerk 7 3 2 2 11
8 Dongen 6 3 0 3 9
9 Purmersteijn 7 3 2 2 11
9 Poortugaal 7 3 0 4 9
10 Hoogeveen 6 2 1 3 7
10 Roosendaal 7 3 0 4 9
11 ADO '20 6 2 1 3 7
11 Blauw Geel 7 2 2 3 8
12 DVS 33 Ermelo 7 1 2 4 5
12 Gemert 6 1 4 1 7
13 Dovo 7 1 2 4 5
13 Vvsb 7 2 1 4 7
14 Hercules 6 1 0 5 3
14 UNA 6 1 3 2 6
15 Staphorst 7 0 3 4 3
15 Groene Ster 6 1 3 2 6
16 Eemdijk 7 1 0 6 3
16 TOGB 7 1 2 4 5
17 Hollandia 6 0 1 5 1
17 Achilles Veen 7 1 0 6 3
18 SVZW 7 0 1 6 1
18 EVV 7 0 2 5 2
# TEAM MP GS GC +/- PTS
1 TEC 7 24 16 +8 13
2 Sparta Nijkerk 7 20 16 +4 11
3 ACV 7 19 4 +15 19
4 Excelsior '31 7 19 6 +13 16
5 SC Genemuiden 7 16 4 +12 18
6 Rijnvogels 6 16 6 +10 14
7 Sportlust '46 7 16 10 +6 15
8 GOES 7 16 13 +3 14
9 Dongen 6 15 15 0 9
10 Noordwijk 7 13 2 +11 16
11 Excelsior Maassluis 7 13 5 +8 14
12 Harkemase Boys 7 13 7 +6 17
13 Hollandia 6 13 20 -7 1
14 FC Lisse 7 12 6 +6 16
15 Hoogeveen 6 12 13 -1 7
16 VV Scherpenzeel 7 11 7 +4 16
17 Purmersteijn 7 11 9 +2 11
18 ADO '20 6 11 12 -1 7
19 UDI '19 6 10 5 +5 11
20 Blauw Geel 7 10 10 0 8
21 Gemert 6 10 10 0 7
22 Roosendaal 7 10 12 -2 9
23 Groene Ster 6 10 13 -3 6
24 DVS 33 Ermelo 7 10 14 -4 5
25 Staphorst 7 10 15 -5 3
26 UNA 6 9 10 -1 6
27 TOGB 7 9 15 -6 5
28 SVZW 7 9 24 -15 1
29 Eemdijk 7 9 26 -17 3
30 Poortugaal 7 8 9 -1 9
31 Vvsb 7 8 13 -5 7
32 Dovo 7 8 16 -8 5
33 EVV 7 8 17 -9 2
34 Hercules 6 8 20 -12 3
35 Achilles Veen 7 7 19 -12 3
36 Zwaluwen 7 6 10 -4 10