Predictions / Football / South-Korea. K3 League / Daejeon Korail vs Ulsan Citizen

Prediction Audit: Daejeon Korail vs Ulsan Citizen Prediction, Odds & AI Betting Tips

Sep 11, 2026 - 10:00
0 1.45
1 1.15
xG Accuracy: 64%

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

The model had projected Daejeon Korail at 42.4%, 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 Over 2.5 Under 2.5 (1 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes No ✖ Incorrect
  • 1X2 Daejeon Korail Ulsan Citizen ✖ Incorrect
  • Correct Score Insights 1-1, 1-0, 2-1, 0-1, 2-0 0-1 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices Daejeon Korail higher than the statistical model.

Largest probability gap: Daejeon Korail -14.3 pp

Outcome Model Closing Market Difference Signal
Daejeon Korail 42.4% 56.7% -14.3 pp Market Higher
Draw 29.3% 25.8% +3.4 pp Aligned
Ulsan Citizen 28.4% 17.5% +10.9 pp Model Edge

The closing market estimates Daejeon Korail's win probability at 56.7%, compared with the model's estimate of 42.4%, a difference of 14.3 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 Ulsan Citizen win 0–1.

Market Assessment

The market is materially more optimistic about Daejeon Korail 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

  • 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
  • Over / Under 2.5: model leaned Over 2.5; match finished Under 2.5 (1 goals)

Market lesson

The closing market differed from the model on Daejeon Korail by 14.3 percentage points (56.7% vs model 42.4%) — 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 11, 2026 · 09:59 UTC Forecast generated
    • Model 1X2 · Daejeon Korail 42.4% · Draw 29.2% · Ulsan Citizen 28.4%
    • xG · Daejeon Korail 1.45 — Ulsan Citizen 1.15
  2. Sep 11, 2026 · 09:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Daejeon Korail 1.64 · Draw 3.60 · Ulsan Citizen 5.31
    • Implied 1X2 · Daejeon Korail 56.7% · Draw 25.8% · Ulsan Citizen 17.5%
    • Bookmaker · Pinnacle
  3. Sep 11, 2026 · 09:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Daejeon Korail 1.64 · Draw 3.60 · Ulsan Citizen 5.31
    • Implied 1X2 · Daejeon Korail 56.7% · Draw 25.8% · Ulsan Citizen 17.5%
    • Bookmaker · Pinnacle
  4. Sep 11, 2026 · 10:00 UTC Kickoff
  5. FT Full-time result Ulsan Citizen 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: Monitor
Historical Decision Monitor
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 56/100 · Moderate
  • Validation: Warning
  • Large market gap (14 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market has already priced much of the edge
  • Validation warning
Pricing proximity (inverse gap) 28/100
Betting Confidence 44/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 05, 2026 · 01:02 UTC Snapshot ID: dp-7020236

Closing Odds 1.64
AI Fair Odds —
CLV Pending
Final Result Ulsan Citizen win · Daejeon Korail 0–1 Ulsan Citizen
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

Below is a compact, numbers-first snapshot aligned with the same engine as the cards above.

  • League: K3 League
  • Fixture: Daejeon Korail vs Ulsan Citizen
  • Kickoff: 2026-09-11 10:00:00
  • 1X2 (model): Home 42.4% · Draw 29.2% · Away 28.4%
  • xG (showing): Daejeon Korail 1.45 — Ulsan Citizen 1.15 (total xG ≈ 2.6)
  • Best +EV line (same label as hero card when Primary thresholds are not met): BTTS Yes
  • Model: 53.9% · Implied: 48.5% · Probability edge: +5.4 pts · Est. EV: +7.8%
  • BTTS (model): Yes 53.9% · No 46.1%
  • Correct score (top bin): 1-1 (12.4%)

Where EV is shown, it is estimated return per unit stake at the best tracked decimal price — not the same thing as a raw probability gap.

Correct score remains high-variance even when a line is most likely on paper.

Historical Recommendation

Historical Decision: Monitor

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 30, 2026 (UTC)

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K3 League K3 League — Standings
# TEAM MP W D L PTS
1 Siheung Citizen 22 16 4 2 52
2 Pocheon 22 13 6 3 45
3 Daejeon Korail 22 11 5 6 38
4 Busan Transportation 22 10 7 5 37
5 Gyeongju HNP 22 8 8 6 32
6 Dangjin Citizen 22 9 4 9 31
7 Chuncheon 22 8 5 9 29
8 Ulsan Citizen 22 8 4 10 28
9 Gangneung City 22 7 6 9 27
10 Changwon City 22 6 8 8 26
11 Yeoju Sejong 22 6 7 9 25
12 Mokpo City 22 4 9 9 21
13 Yangpyeong 22 3 8 11 17
14 Jeonbuk Motors II 22 1 7 14 10
# TEAM MP GS GC +/- PTS
1 Dangjin Citizen 22 44 36 +8 31
2 Busan Transportation 22 39 26 +13 37
3 Chuncheon 22 39 35 +4 29
4 Pocheon 22 38 19 +19 45
5 Siheung Citizen 22 35 19 +16 52
6 Gyeongju HNP 22 32 29 +3 32
7 Daejeon Korail 22 31 17 +14 38
8 Yangpyeong 22 27 43 -16 17
9 Changwon City 22 24 27 -3 26
10 Yeoju Sejong 22 24 28 -4 25
11 Ulsan Citizen 22 23 24 -1 28
12 Jeonbuk Motors II 22 22 49 -27 10
13 Gangneung City 22 20 30 -10 27
14 Mokpo City 22 19 35 -16 21