Predictions / Football / South-Korea. K3 League / Chuncheon vs Yeoju Sejong

Prediction Audit: Chuncheon vs Yeoju Sejong Prediction, Odds & AI Betting Tips

Chuncheon Chuncheon
Sep 12, 2026 - 08:00
2 1.21
1 1.39
xG Accuracy: 72%
Yeoju Sejong Yeoju Sejong

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

The model had projected Yeoju Sejong at 39.5%, but the full-time result went the other way.

Tracked markets vs full-time result

Prediction grade C

Each row compares the pre-match model lean to the full-time result.

  • Market Prediction Result Outcome
  • Over / Under 2.5 Over 2.5 Over 2.5 (3 goals) ✔ Correct
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Yeoju Sejong Chuncheon ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 2-1 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices Chuncheon higher than the statistical model.

Largest probability gap: Chuncheon -17.1 pp

Outcome Model Closing Market Difference Signal
Chuncheon 31.0% 48.1% -17.1 pp Market Higher
Draw 29.5% 27.4% +2.1 pp Aligned
Yeoju Sejong 39.5% 24.5% +14.9 pp Model Edge

The closing market estimates Chuncheon's win probability at 48.1%, compared with the model's estimate of 31.0%, a difference of 17.1 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 result was Chuncheon win 2–1.

Market Assessment

The market is materially more optimistic about Chuncheon 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
  • Over 2.5 goals aligned with the xG profile

What failed

  • 1X2: model leaned Yeoju Sejong; match finished Chuncheon

Market lesson

The closing market differed from the model on Yeoju Sejong by 17.1 percentage points (56.6% vs model 39.5%) — 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 12, 2026 · 07:59 UTC Forecast generated
    • Model 1X2 · Chuncheon 31.0% · Draw 29.5% · Yeoju Sejong 39.5%
    • xG · Chuncheon 1.21 — Yeoju Sejong 1.39
  2. Sep 12, 2026 · 07:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Chuncheon 1.90 · Draw 3.34 · Yeoju Sejong 3.73
    • Implied 1X2 · Chuncheon 48.1% · Draw 27.4% · Yeoju Sejong 24.5%
    • Bookmaker · Pinnacle
  3. Sep 12, 2026 · 07:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Chuncheon 1.90 · Draw 3.34 · Yeoju Sejong 3.73
    • Implied 1X2 · Chuncheon 48.1% · Draw 27.4% · Yeoju Sejong 24.5%
    • Bookmaker · Pinnacle
  4. Sep 12, 2026 · 08:00 UTC Kickoff
  5. FT Full-time result Chuncheon win · 2–1
  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 54/100 · Moderate
  • Validation: Warning
  • Large market gap (17 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Pricing remains divergent
  • Validation warning
Pricing proximity (inverse gap) 4/100
Monitoring Confidence 19/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 07, 2026 · 00:42 UTC Snapshot ID: dp-7417392

Closing Odds 1.9
AI Fair Odds —
CLV Pending
Final Result Chuncheon win · Chuncheon 2–1 Yeoju Sejong
Prediction ✖ Missed
Decision Grade C

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

Quick read on how the model reads this matchup.

  • League: K3 League
  • Fixture: Chuncheon vs Yeoju Sejong
  • Kickoff: 2026-09-12 08:00:00
  • 1X2 (model): Home 31.0% · Draw 29.5% · Away 39.5%
  • xG (showing): Chuncheon 1.21 — Yeoju Sejong 1.39 (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 54.3% · No 45.7%) Value lean (pricing): O/U 2.5 Over 2.5; BTTS Yes
  • BTTS (model): Yes 54.3% · No 45.7%
  • 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.

Prefer skipping to over-staking when the engine is honest about missing edge.

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 29, 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
K3 League South-Korea. K3 League Predictions