Predictions / Football / Brazil. Serie B / Avai vs Atletico Goianiense

Prediction Audit: Avai vs Atletico Goianiense Prediction, Odds & AI Betting Tips

Avai Avai
Aug 30, 2026 - 19:00
0 1.16
1 0.92
xG Accuracy: 71%
Atletico Goianiense Atletico Goianiense

The model missed the final outcome (Atletico Goianiense win 0–1).

The model had projected Avai at 38.8%, 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 Under 2.5 Under 2.5 (1 goals) ✔ Correct
  • Both Teams To Score BTTS No No ✔ Correct
  • 1X2 Avai Atletico Goianiense ✖ Incorrect
  • Correct Score Insights 1-0, 1-1, 0-0, 0-1, 2-0 0-1 ✔ Correct

Model vs Closing Market

Broadly Aligned

The model and closing market are broadly aligned.

Largest probability gap: Atletico Goianiense -3.0 pp

Outcome Model Closing Market Difference Signal
Avai 38.8% 37.5% +1.4 pp Aligned
Draw 32.6% 31.0% +1.6 pp Aligned
Atletico Goianiense 28.6% 31.6% -3.0 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: PRE5.

After full time, the result was Atletico Goianiense win 0–1.

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

  • Low-scoring profile materialised (ΣxG 2.08, 1 goals)
  • Both Teams To Score (No) matched the full-time result
  • Under 2.5 goals aligned with the xG profile

What failed

  • 1X2: model leaned Avai; match finished Atletico Goianiense

Market lesson

The full-time result was Atletico Goianiense win 0–1, 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. Aug 30, 2026 · 19:48 UTC Forecast generated
    • Model 1X2 · Avai 38.9% · Draw 32.6% · Atletico Goianiense 28.6%
    • xG · Avai 1.16 — Atletico Goianiense 0.92
  2. Aug 30, 2026 · 18:31 UTC Opening odds snapshot PRE30
    • 1X2 odds · Avai 2.57 · Draw 3.11 · Atletico Goianiense 3.05
    • Implied 1X2 · Avai 37.5% · Draw 31.0% · Atletico Goianiense 31.6%
    • Bookmaker · Pinnacle
  3. Aug 30, 2026 · 18:55 UTC Closing snapshot recorded PRE5
    • 1X2 odds · Avai 2.57 · Draw 3.11 · Atletico Goianiense 3.05
    • Implied 1X2 · Avai 37.5% · Draw 31.0% · Atletico Goianiense 31.6%
    • Bookmaker · Pinnacle
  4. Aug 30, 2026 · 19:00 UTC Kickoff
  5. FT Full-time result Atletico Goianiense 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: Observe
Historical Decision No Primary Bet
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 77/100 · High
  • Validation: Pass
Evidence ★★★★★
  • No strong statistical edge
  • Direction agrees with model lean
  • Validation passed
Market Compatibility 84/100
Betting Confidence 80/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 24, 2026 · 01:48 UTC Snapshot ID: dp-5295221

Closing Odds 3.05
AI Fair Odds —
CLV Pending
Final Result Atletico Goianiense win · Avai 0–1 Atletico Goianiense
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

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

  • League: Serie B
  • Fixture: Avai vs Atletico Goianiense
  • Kickoff: 2026-08-30 19:00:00
  • 1X2 (model): Home 38.9% · Draw 32.6% · Away 28.6%
  • xG (showing): Avai 1.16 — Atletico Goianiense 0.92 (total xG ≈ 2.08)
  • 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 65.5% · Over 2.5 34.5%); BTTS No (Yes 43.0% · No 57.0%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS No
  • BTTS (model): Yes 43.0% · No 57.0%
  • Correct score (top bin): 1-0 (14.5%)

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: No Primary Bet

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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Serie B Serie B — Standings
# TEAM MP W D L PTS
1 Vila Nova 30 16 6 8 54
2 Juventude 30 15 8 7 53
3 Fortaleza EC 30 14 10 6 52
4 Novorizontino 30 14 9 7 51
5 Criciuma 30 14 8 8 50
6 Atletico Goianiense 30 13 10 7 49
7 CRB 30 14 6 10 48
8 Operario-PR 30 13 9 8 48
9 Sport Recife 30 11 11 8 44
10 Cuiaba 30 10 13 7 43
11 Goias 30 12 6 12 42
12 São Bernardo 30 11 9 10 42
13 Athletic Club 30 10 12 8 42
14 Nautico Recife 30 11 8 11 41
15 Ceara 30 9 9 12 36
16 Botafogo SP 29 8 8 13 32
17 Avai 30 8 6 16 30
18 Londrina 30 7 7 16 28
19 America Mineiro 30 4 5 21 17
20 Ponte Preta 29 3 4 22 13
# TEAM MP GS GC +/- PTS
1 Novorizontino 30 49 27 +22 51
2 CRB 30 45 41 +4 48
3 Vila Nova 30 43 31 +12 54
4 Operario-PR 30 43 38 +5 48
5 São Bernardo 30 40 31 +9 42
6 Sport Recife 30 40 32 +8 44
7 Londrina 30 39 43 -4 28
8 Nautico Recife 30 38 37 +1 41
9 Atletico Goianiense 30 37 27 +10 49
10 Athletic Club 30 36 33 +3 42
11 Fortaleza EC 30 35 26 +9 52
12 Ceara 30 33 39 -6 36
13 Juventude 30 32 19 +13 53
14 Botafogo SP 29 32 36 -4 32
15 Criciuma 30 31 27 +4 50
16 Cuiaba 30 30 25 +5 43
17 Goias 30 30 36 -6 42
18 Avai 30 30 41 -11 30
19 America Mineiro 30 21 50 -29 17
20 Ponte Preta 29 17 62 -45 13
# TEAM MP xG xGC +/- PTS
1 Novorizontino 30 17.2 9.2 +8.0 51
2 Fortaleza EC 30 16.8 10.1 +6.7 52
3 Cuiaba 30 12.3 7.0 +5.3 43
4 Atletico Goianiense 30 15.2 11.1 +4.1 49
5 Avai 30 11.9 8.5 +3.4 30
6 Vila Nova 30 13.3 10.1 +3.2 54
7 CRB 30 18.6 15.8 +2.8 48
8 Juventude 30 10.2 8.0 +2.2 53
9 Criciuma 30 10.0 8.1 +1.9 50
10 Sport Recife 30 13.7 12.6 +1.1 44
11 Londrina 30 10.4 9.6 +0.8 28
12 São Bernardo 30 12.6 12.6 0.0 42
13 Botafogo SP 29 13.7 13.8 -0.1 32
14 Nautico Recife 30 15.3 16.1 -0.8 41
15 Goias 30 11.8 13.1 -1.3 42
16 Operario-PR 30 12.8 16.2 -3.4 48
17 Ceara 30 9.1 14.2 -5.1 36
18 America Mineiro 30 11.7 16.9 -5.2 17
19 Athletic Club 30 11.9 19.2 -7.3 42
20 Ponte Preta 29 8.7 24.8 -16.1 13
Serie B Brazil. Serie B Predictions