Predictions / Football / South-Korea. FA Cup / Gimpo Citizen vs Gimcheon Sangmu FC

Prediction Audit: Gimpo Citizen vs Gimcheon Sangmu FC Prediction, Odds & AI Betting Tips

Aug 19, 2026 - 10:00
2 1.35
1 1.25
xG Accuracy: 78%

AI correctly predicted the Gimpo Citizen 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 Gimpo Citizen Gimpo Citizen ✔ 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 Gimcheon Sangmu FC higher than the statistical model.

Largest probability gap: Gimcheon Sangmu FC -11.1 pp

Outcome Model Closing Market Difference Signal
Gimpo Citizen 37.5% 27.2% +10.3 pp Model Edge
Draw 29.6% 28.8% +0.8 pp Aligned
Gimcheon Sangmu FC 32.9% 43.9% -11.1 pp Market Higher

The closing market estimates Gimcheon Sangmu FC's win probability at 43.9%, compared with the model's estimate of 32.9%, a difference of 11.1 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 model's directional lean matched the result (Gimpo Citizen win 2–1).

Market Assessment

The market is materially more optimistic about Gimcheon Sangmu FC 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) — 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 Gimpo Citizen higher (48.6% vs model 37.5%, 11.1 pp), but the model's lean was validated (Gimpo Citizen win 2–1).

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Prediction Timeline

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

  1. Aug 19, 2026 · 09:59 UTC Forecast generated
    • Model 1X2 · Gimpo Citizen 37.6% · Draw 29.6% · Gimcheon Sangmu FC 32.9%
    • xG · Gimpo Citizen 1.35 — Gimcheon Sangmu FC 1.25
  2. Aug 19, 2026 · 09:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Gimpo Citizen 3.45 · Draw 3.26 · Gimcheon Sangmu FC 2.14
    • Implied 1X2 · Gimpo Citizen 27.2% · Draw 28.8% · Gimcheon Sangmu FC 43.9%
    • Bookmaker · Pinnacle
  3. Aug 19, 2026 · 09:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Gimpo Citizen 3.45 · Draw 3.26 · Gimcheon Sangmu FC 2.14
    • Implied 1X2 · Gimpo Citizen 27.2% · Draw 28.8% · Gimcheon Sangmu FC 43.9%
    • Bookmaker · Pinnacle
  4. Aug 19, 2026 · 10:00 UTC Kickoff
  5. FT Full-time result Gimpo Citizen 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: Monitor
Historical Decision Monitor
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 57/100 · Moderate
  • Validation: Warning
  • Large market gap (11 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market has already priced much of the edge
  • Validation warning
Pricing proximity (inverse gap) 15/100
Monitoring Confidence 20/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 13, 2026 · 01:32 UTC Snapshot ID: dp-3815894

Closing Odds 2.14
AI Fair Odds —
CLV Pending
Final Result Gimpo Citizen win · Gimpo Citizen 2–1 Gimcheon Sangmu FC
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: FA Cup
  • Fixture: Gimpo Citizen vs Gimcheon Sangmu FC
  • Kickoff: 2026-08-19 10:00:00
  • 1X2 (model): Home 37.6% · Draw 29.6% · Away 32.9%
  • xG (showing): Gimpo Citizen 1.35 — Gimcheon Sangmu FC 1.25 (total xG ≈ 2.6)
  • Value headline: At least one tracked line reaches the headline EV threshold — align with the hero / Primary card if shown.
  • 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: Monitor

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

October 01, 2026 (UTC)

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