Prediction Audit: Harborough Town vs Marine Prediction, Odds & AI Betting Tips

Aug 31, 2026 - 14:00
2 1.33
1 1.27
xG Accuracy: 77%

AI correctly predicted the Harborough Town win.

The match finished 2–1, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade B-

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 Harborough Town Harborough Town ✔ Correct
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 2-1 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices Harborough Town higher than the statistical model.

Largest probability gap: Harborough Town -21.0 pp

Outcome Model Closing Market Difference Signal
Harborough Town 36.6% 57.6% -21.0 pp Market Higher
Draw 29.6% 20.3% +9.4 pp Model Higher
Marine 33.8% 22.2% +11.6 pp Model Edge

The closing market estimates Harborough Town's win probability at 57.6%, compared with the model's estimate of 36.6%, a difference of 21.0 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: PRE10.

After full time, the model's directional lean matched the result (Harborough Town win 2–1).

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 2–1 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)

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Harborough Town higher (57.6% vs model 36.6%, 21.0 pp), but the model's lean was validated (Harborough Town win 2–1).

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Prediction Timeline

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

  1. Aug 31, 2026 · 13:52 UTC Forecast generated
    • Model 1X2 · Harborough Town 36.6% · Draw 29.6% · Marine 33.8%
    • xG · Harborough Town 1.33 — Marine 1.27
  2. Aug 31, 2026 · 13:32 UTC Opening odds snapshot PRE30
    • 1X2 odds · Harborough Town 1.61 · Draw 4.57 · Marine 4.18
    • Implied 1X2 · Harborough Town 57.6% · Draw 20.3% · Marine 22.2%
    • Bookmaker · Pinnacle
  3. Aug 31, 2026 · 13:52 UTC Closing snapshot recorded PRE10
    • 1X2 odds · Harborough Town 1.61 · Draw 4.57 · Marine 4.18
    • Implied 1X2 · Harborough Town 57.6% · Draw 20.3% · Marine 22.2%
    • Bookmaker · Pinnacle
  4. Aug 31, 2026 · 14:00 UTC Kickoff
  5. FT Full-time result Harborough Town win · 2–1
  6. FT Prediction validated Directional lean matched 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 Validated
Pre-match metrics (historical context)
Prediction Reliability 53/100 · Moderate
  • Validation: Warning
  • Large market gap (21 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Pricing remains divergent
  • Validation warning
Pricing proximity (inverse gap) 0/100
Betting Confidence 34/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 25, 2026 · 02:41 UTC Snapshot ID: dp-5399984

Closing Odds 1.61
AI Fair Odds —
CLV Pending
Final Result Harborough Town win · Harborough Town 2–1 Marine
Prediction ✔ Correct
Decision Grade B-

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: National League - North
  • Fixture: Harborough Town vs Marine
  • Kickoff: 2026-08-31 14:00:00
  • 1X2 (model): Home 36.6% · Draw 29.6% · Away 33.8%
  • xG (showing): Harborough Town 1.33 — Marine 1.27 (total xG ≈ 2.6)
  • Value headline: None (actionable) — best tracked EV is about +0.7%, 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%)

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: Wait

Outcome: Validated — Pre-match lean validated against 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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National League - North National League - North — Standings
# TEAM MP W D L PTS
1 Hereford 9 7 1 1 22
2 Oxford City 9 6 1 2 19
3 Macclesfield 9 5 3 1 18
4 Spalding United 9 5 2 2 17
5 Hebburn Town 9 5 2 2 17
6 South Shields 8 5 2 1 17
7 Buxton 9 5 1 3 16
8 Bedford Town 9 5 0 4 15
9 Chester 9 4 2 3 14
10 Morecambe 9 4 1 4 13
11 Merthyr Town 9 3 4 2 13
12 King's Lynn Town 9 4 1 4 13
13 Harborough Town 9 3 3 3 12
14 Worksop Town 9 4 0 5 12
15 Scarborough Athletic 9 3 2 4 11
16 Chorley 9 3 2 4 11
17 Marine 9 3 0 6 9
18 AFC Telford United 9 2 3 4 9
19 Hednesford Town 9 2 3 4 9
20 Southport 9 2 2 5 8
21 Brackley Town 8 2 2 4 8
22 Radcliffe 9 2 0 7 6
23 Darlington 1883 9 2 0 7 6
24 Spennymoor Town 9 1 3 5 6
# TEAM MP GS GC +/- PTS
1 Hereford 9 21 4 +17 22
2 Buxton 9 18 14 +4 16
3 Oxford City 9 17 6 +11 19
4 Hebburn Town 9 15 15 0 17
5 King's Lynn Town 9 15 15 0 13
6 Scarborough Athletic 9 14 11 +3 11
7 Chorley 9 14 16 -2 11
8 Spalding United 9 13 6 +7 17
9 Morecambe 9 13 8 +5 13
10 Bedford Town 9 13 13 0 15
11 Hednesford Town 9 13 16 -3 9
12 Macclesfield 9 12 6 +6 18
13 Merthyr Town 9 11 9 +2 13
14 Southport 9 11 18 -7 8
15 Darlington 1883 9 11 20 -9 6
16 Harborough Town 9 10 11 -1 12
17 Marine 9 10 11 -1 9
18 Chester 9 9 8 +1 14
19 South Shields 8 9 10 -1 17
20 Worksop Town 9 9 12 -3 12
21 Spennymoor Town 9 9 19 -10 6
22 AFC Telford United 9 8 10 -2 9
23 Radcliffe 9 8 16 -8 6
24 Brackley Town 8 7 16 -9 8