Predictions / Football / Poland. II Liga - East / Chojniczanka Chojnice vs Olimpia Grudziądz

Prediction Audit: Chojniczanka Chojnice vs Olimpia Grudziądz Prediction, Odds & AI Betting Tips

Chojniczanka Chojnice Chojniczanka Chojnice
Sep 19, 2026 - 15:00
3 1.29
1 1.31
xG Accuracy: 57%
Olimpia Grudziądz Olimpia Grudziądz

The model missed the final outcome (Chojniczanka Chojnice win 3–1).

The model had projected Olimpia Grudziądz at 35.6%, 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 Over 2.5 (4 goals) ✖ Incorrect
  • Both Teams To Score BTTS No Yes ✖ Incorrect
  • 1X2 Olimpia Grudziądz Chojniczanka Chojnice ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 3-1 ✖ Incorrect

Model vs Closing Market

Broadly Aligned

The model and closing market are broadly aligned.

Largest probability gap: Chojniczanka Chojnice -2.9 pp

Outcome Model Closing Market Difference Signal
Chojniczanka Chojnice 34.7% 37.6% -2.9 pp Aligned
Draw 29.6% 28.3% +1.4 pp Aligned
Olimpia Grudziądz 35.6% 34.1% +1.5 pp Aligned

The model and closing market are broadly aligned, with probability differences below 5 percentage points.

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 Chojniczanka Chojnice win 3–1.

Market Assessment

The market and model are broadly aligned. Any small pricing gap likely reflects rounding or bookmaker margin, not a structural disagreement.

  • Current pricing remains close to the model baseline.

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 4 goals materialised

What failed

  • Both Teams To Score: model leaned BTTS No; match finished BTTS Yes
  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (4 goals)

Market lesson

The full-time result was Chojniczanka Chojnice win 3–1, which did not match the model's pre-match lean on 1X2.

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Prediction Timeline

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

  1. Sep 19, 2026 · 15:00 UTC Forecast generated
    • Model 1X2 · Chojniczanka Chojnice 34.7% · Draw 29.7% · Olimpia Grudziądz 35.6%
    • xG · Chojniczanka Chojnice 1.29 — Olimpia Grudziądz 1.31
  2. Sep 19, 2026 · 14:34 UTC Opening odds snapshot PRE30
    • 1X2 odds · Chojniczanka Chojnice 2.47 · Draw 3.28 · Olimpia Grudziądz 2.72
    • Implied 1X2 · Chojniczanka Chojnice 37.6% · Draw 28.3% · Olimpia Grudziądz 34.1%
    • Bookmaker · Pinnacle
  3. Sep 19, 2026 · 15:00 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Chojniczanka Chojnice 2.47 · Draw 3.28 · Olimpia Grudziądz 2.72
    • Implied 1X2 · Chojniczanka Chojnice 37.6% · Draw 28.3% · Olimpia Grudziądz 34.1%
    • Bookmaker · Pinnacle
  4. Sep 19, 2026 · 15:00 UTC Kickoff
  5. FT Full-time result Chojniczanka Chojnice win · 3–1
  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 78/100 · High
  • Validation: Pass
Evidence ★★★★★
  • No strong statistical edge
  • Direction agrees with model lean
  • Validation passed
Market Compatibility 29/100
Monitoring Confidence 35/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 14, 2026 · 02:48 UTC Snapshot ID: dp-8697671

Closing Odds 2.47
AI Fair Odds —
CLV Pending
Final Result Chojniczanka Chojnice win · Chojniczanka Chojnice 3–1 Olimpia Grudziądz
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: II Liga - East
  • Fixture: Chojniczanka Chojnice vs Olimpia Grudziądz
  • Kickoff: 2026-09-19 15:00:00
  • 1X2 (model): Home 34.7% · Draw 29.7% · Away 35.6%
  • xG (showing): Chojniczanka Chojnice 1.29 — Olimpia Grudziądz 1.31 (total xG ≈ 2.6)
  • Best +EV line (same label as hero card when Primary thresholds are not met): Under 2.5 goals
  • Model: 51.8% · Implied: 40.5% · Probability edge: +11.3 pts · Est. EV: +22.2%
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.6%)

Use the cards for tiering; this text only restates the same inputs in narrative form.

Early match state can move realised goals away from pre-kick projections.

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

October 01, 2026 (UTC)

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II Liga - East II Liga - East — Standings
# TEAM MP W D L PTS
1 Znicz Pruszków 9 6 2 1 20
2 Górnik Łęczna 9 5 2 2 17
3 Tychy 71 9 4 5 0 17
4 Zawisza Bydgoszcz 9 4 4 1 16
5 Rekord Bielsko-Biała 9 5 1 3 16
6 Hutnik Kraków 9 4 3 2 15
7 Sandecja Nowy Sącz 9 4 3 2 15
8 Chojniczanka Chojnice 9 4 2 3 14
9 Podhale Nowy Targ 9 4 2 3 14
10 Lechia Zielona Góra 9 3 3 3 12
11 Olimpia Grudziądz 9 3 3 3 12
12 Stal Stalowa Wola 9 3 1 5 10
13 Avia Świdnik 9 3 1 5 10
14 Legia Warszawa II 9 3 0 6 9
15 Śląsk Wrocław II 9 3 0 6 9
16 Sokół Kleczew 9 1 5 3 8
17 Świt Skolwin 9 1 2 6 5
18 Resovia Rzeszów 9 0 3 6 3
# TEAM MP GS GC +/- PTS
1 Znicz Pruszków 9 19 10 +9 20
2 Górnik Łęczna 9 18 9 +9 17
3 Podhale Nowy Targ 9 18 17 +1 14
4 Legia Warszawa II 9 18 17 +1 9
5 Lechia Zielona Góra 9 17 15 +2 12
6 Zawisza Bydgoszcz 9 16 11 +5 16
7 Hutnik Kraków 9 16 11 +5 15
8 Chojniczanka Chojnice 9 16 14 +2 14
9 Śląsk Wrocław II 9 15 17 -2 9
10 Rekord Bielsko-Biała 9 14 9 +5 16
11 Stal Stalowa Wola 9 14 17 -3 10
12 Sandecja Nowy Sącz 9 13 8 +5 15
13 Tychy 71 9 12 6 +6 17
14 Avia Świdnik 9 12 16 -4 10
15 Olimpia Grudziądz 9 11 15 -4 12
16 Sokół Kleczew 9 10 21 -11 8
17 Świt Skolwin 9 9 23 -14 5
18 Resovia Rzeszów 9 6 18 -12 3
II Liga - East Poland. II Liga - East Predictions