Prediction Audit: Karviná II vs Polanka nad Odrou Prediction, Odds & AI Betting Tips

Karviná II

Aug 23, 2026 - 08:15

2 1.32

1 1.28

xG Accuracy: 77%

Polanka nad Odrou

AI correctly predicted the Karviná II 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 Karviná II Karviná II ✔ Correct
Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 2-1 ✔ Correct

Model vs Closing Market

Outcome	Model	Closing Market	Difference	Signal
Karviná II	36.1%	51.9%	-15.8 pp	Market Higher
Draw	29.6%	23.7%	+5.9 pp	Model Higher
Polanka nad Odrou	34.2%	24.4%	+9.9 pp	Model Higher

The closing market estimates Karviná II's win probability at 51.9%, compared with the model's estimate of 36.1%, a difference of 15.8 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 (Karviná II win 2–1).

Market Assessment

The market is materially more optimistic about Karviná II 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 Karviná II higher (51.9% vs model 36.1%, 15.8 pp), but the model's lean was validated (Karviná II win 2–1).

Premium betting site stake: New users can use the promo code FHn2uDc1 to receive $100 cash.

Prediction Timeline

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

Aug 23, 2026 · 08:14 UTC Forecast generated
- Model 1X2 · Karviná II 36.1% · Draw 29.7% · Polanka nad Odrou 34.2%
- xG · Karviná II 1.32 — Polanka nad Odrou 1.28
Aug 23, 2026 · 07:44 UTC Opening odds snapshot PRE30
- 1X2 odds · Karviná II 1.74 · Draw 3.81 · Polanka nad Odrou 3.71
- Implied 1X2 · Karviná II 51.9% · Draw 23.7% · Polanka nad Odrou 24.4%
- Bookmaker · Pinnacle
Aug 23, 2026 · 08:14 UTC Closing snapshot recorded PRE1
- 1X2 odds · Karviná II 1.74 · Draw 3.81 · Polanka nad Odrou 3.71
- Implied 1X2 · Karviná II 51.9% · Draw 23.7% · Polanka nad Odrou 24.4%
- Bookmaker · Pinnacle
Aug 23, 2026 · 08:15 UTC Kickoff
FT Full-time result Karviná II win · 2–1
FT Prediction validated Directional lean matched full-time result
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 55/100 · Moderate

Validation: Warning
Large market gap (16 pp)

Evidence ★★★★★

No strong statistical edge
Pricing remains divergent
Validation warning

Pricing proximity (inverse gap) 20/100

Betting Confidence 44/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 17, 2026 · 00:51 UTC Snapshot ID: dp-4357919

Closing Odds 1.74

AI Fair Odds —

CLV Pending

Final Result Karviná II win · Karviná II 2–1 Polanka nad Odrou

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

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

League: 3. liga - MSFL
Fixture: Karviná II vs Polanka nad Odrou
Kickoff: 2026-08-23 08:15:00
1X2 (model): Home 36.1% · Draw 29.7% · Away 34.2%
xG (showing): Karviná II 1.32 — Polanka nad Odrou 1.28 (total xG ≈ 2.6)
Value headline: None — no positive EV on tracked lines at current best prices (same as the decision block: 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%)

The decision block shows no default Primary: Primary needs consensus EV ≥ +5.0% plus strength/reliability/calibration gates. A separate Lean/tracked gate is +2.0% (selective only). Lean labels are directional only — not bankroll-sized recommendations.

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

September 30, 2026 (UTC)

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3. liga - MSFL — Standings

#	TEAM	MP	W	D	L	PTS
1	Líšeň II	10	7	3	0	24
2	Zbrojovka Brno II	10	7	1	2	22
3	Frýdek-Místek	9	5	3	1	18
4	Uničov	9	5	2	2	17
5	Sigma Olomouc II	10	5	1	4	16
6	Hranice	10	5	1	4	16
7	Vítkovice	10	4	4	2	16
8	Unie Hlubina	10	4	3	3	15
9	Slovácko II	10	4	3	3	15
10	Uherský Brod	10	4	2	4	14
11	Vrchovina	10	4	2	4	14
12	Zlín II	10	3	3	4	12
13	Hodonín	10	3	2	5	11
14	Karviná II	10	3	2	5	11
15	Blansko	10	1	4	5	7
16	Vsetín	10	2	1	7	7
17	Havířov	9	0	4	5	4
18	Polanka nad Odrou	9	0	3	6	3

#	TEAM	MP	GS	GC	+/-	PTS
1	Unie Hlubina	10	25	18	+7	15
2	Zbrojovka Brno II	10	23	15	+8	22
3	Líšeň II	10	19	3	+16	24
4	Sigma Olomouc II	10	18	12	+6	16
5	Uničov	9	17	13	+4	17
6	Slovácko II	10	16	11	+5	15
7	Uherský Brod	10	16	16	0	14
8	Frýdek-Místek	9	15	7	+8	18
9	Karviná II	10	15	20	-5	11
10	Blansko	10	15	27	-12	7
11	Hranice	10	14	9	+5	16
12	Zlín II	10	12	16	-4	12
13	Vítkovice	10	11	7	+4	16
14	Vrchovina	10	11	16	-5	14
15	Hodonín	10	10	12	-2	11
16	Vsetín	10	10	24	-14	7
17	Polanka nad Odrou	9	5	14	-9	3
18	Havířov	9	4	16	-12	4