Predictions / Football / Brazil. Serie A / Chapecoense-sc vs Sao Paulo

Prediction Audit: Chapecoense-sc vs Sao Paulo Prediction, Odds & AI Betting Tips

Chapecoense-sc Chapecoense-sc
Aug 23, 2026 - 21:30
1 1.15
0 1.15
xG Accuracy: 70%
Sao Paulo Sao Paulo

AI correctly predicted the Chapecoense-sc win.

The match finished 1–0, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade A

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 Chapecoense-sc Chapecoense-sc ✔ Correct
  • Correct Score Insights 1-1, 0-1, 1-0, 0-0, 1-2 1-0 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices Sao Paulo higher than the statistical model.

Largest probability gap: Sao Paulo -11.8 pp

Outcome Model Closing Market Difference Signal
Chapecoense-sc 34.1% 24.6% +9.5 pp Model Higher
Draw 31.8% 29.6% +2.2 pp Aligned
Sao Paulo 34.1% 45.9% -11.8 pp Market Higher

The closing market estimates Sao Paulo's win probability at 45.9%, compared with the model's estimate of 34.1%, a difference of 11.8 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 (Chapecoense-sc win 1–0).

Market Assessment

The market is materially more optimistic about Sao Paulo 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

  • Both Teams To Score (No) matched the full-time result
  • Under 2.5 goals aligned with the xG profile
  • Exact score 1–0 fell within the model's highlighted bins

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Chapecoense-sc higher (45.9% vs model 34.1%, 11.8 pp), but the model's lean was validated (Chapecoense-sc win 1–0).

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Prediction Timeline

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

  1. Aug 23, 2026 · 21:29 UTC Forecast generated
    • Model 1X2 · Chapecoense-sc 34.1% · Draw 31.8% · Sao Paulo 34.1%
    • xG · Chapecoense-sc 1.15 — Sao Paulo 1.15
  2. Aug 23, 2026 · 20:59 UTC Opening odds snapshot PRE30
    • 1X2 odds · Chapecoense-sc 3.94 · Draw 3.27 · Sao Paulo 2.11
    • Implied 1X2 · Chapecoense-sc 24.6% · Draw 29.6% · Sao Paulo 45.9%
    • Bookmaker · Pinnacle
  3. Aug 23, 2026 · 21:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Chapecoense-sc 3.94 · Draw 3.27 · Sao Paulo 2.11
    • Implied 1X2 · Chapecoense-sc 24.6% · Draw 29.6% · Sao Paulo 45.9%
    • Bookmaker · Pinnacle
  4. Aug 23, 2026 · 21:30 UTC Kickoff
  5. FT Full-time result Chapecoense-sc win · 1–0
  6. FT Prediction validated Directional lean matched 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 Validated
Pre-match metrics (historical context)
Prediction Reliability 57/100 · Moderate
  • Validation: Warning
  • Large market gap (12 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market has already priced much of the edge
  • Validation warning
Pricing proximity (inverse gap) 14/100
Monitoring Confidence 20/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 17, 2026 · 01:59 UTC Snapshot ID: dp-4372577

Closing Odds 2.11
AI Fair Odds —
CLV Pending
Final Result Chapecoense-sc win · Chapecoense-sc 1–0 Sao Paulo
Prediction ✔ Correct
Decision Grade A

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 A
  • Fixture: Chapecoense-sc vs Sao Paulo
  • Kickoff: 2026-08-23 21:30:00
  • 1X2 (model): Home 34.1% · Draw 31.8% · Away 34.1%
  • xG (showing): Chapecoense-sc 1.15 — Sao Paulo 1.15 (total xG ≈ 2.3)
  • 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 59.6% · Over 2.5 40.4%); BTTS No (Yes 48.4% · No 51.6%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS No
  • BTTS (model): Yes 48.4% · No 51.6%
  • Correct score (top bin): 1-1 (13.3%)

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.

If lines move materially, re-run generation or refresh — implied probabilities and any future EV readouts will change first.

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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Serie A Serie A — Standings
# TEAM MP W D L PTS
1 Flamengo 28 18 6 4 60
2 Palmeiras 28 16 9 3 57
3 Atletico Paranaense 28 14 7 7 49
4 Fluminense 28 13 9 6 48
5 Bahia 28 12 10 6 46
6 Cruzeiro 28 13 6 9 45
7 Atletico-MG 27 11 7 9 40
8 Santos 27 10 8 9 38
9 Coritiba 28 10 8 10 38
10 RB Bragantino 27 10 6 11 36
11 Sao Paulo 27 10 6 11 36
12 Botafogo 28 9 8 11 35
13 Vitoria 28 9 6 13 33
14 Corinthians 28 8 8 12 32
15 Mirassol 28 8 8 12 32
16 Vasco DA Gama 27 8 7 12 31
17 Gremio 28 7 8 13 29
18 Internacional 28 6 10 12 28
19 remo 28 5 8 15 23
20 Chapecoense-sc 27 3 9 15 18
20 Chapecoense B 20 1 7 12 10
# TEAM MP GS GC +/- PTS
1 Flamengo 28 55 23 +32 60
2 Palmeiras 28 47 21 +26 57
3 Fluminense 28 44 36 +8 48
4 Atletico Paranaense 28 43 32 +11 49
5 Bahia 28 43 35 +8 46
6 Cruzeiro 28 42 40 +2 45
7 Santos 27 41 40 +1 38
8 Botafogo 28 41 45 -4 35
9 Coritiba 28 37 43 -6 38
10 Atletico-MG 27 36 32 +4 40
11 Vasco DA Gama 27 34 41 -7 31
12 RB Bragantino 27 33 31 +2 36
13 Mirassol 28 33 42 -9 32
14 Sao Paulo 27 32 30 +2 36
15 remo 28 32 47 -15 23
16 Internacional 28 30 36 -6 28
17 Gremio 28 30 38 -8 29
18 Corinthians 28 29 32 -3 32
19 Chapecoense-sc 27 29 53 -24 18
20 Vitoria 28 28 42 -14 33
21 Chapecoense B 20 19 41 -22 10
# TEAM MP xG xGC +/- PTS
1 Bahia 28 12.2 6.9 +5.3 46
2 Santos 27 9.9 6.6 +3.3 38
3 Flamengo 28 9.0 5.7 +3.3 60
4 Vasco DA Gama 27 9.2 6.1 +3.1 31
5 Atletico-MG 27 5.9 2.9 +3.0 40
6 Corinthians 28 7.2 4.7 +2.5 32
7 Atletico Paranaense 28 10.2 8.1 +2.1 49
8 Fluminense 28 8.7 6.8 +1.9 48
9 Palmeiras 28 8.2 6.5 +1.7 57
10 Botafogo 28 11.0 10.9 +0.1 35
11 Sao Paulo 27 4.9 4.8 +0.1 36
12 RB Bragantino 27 4.9 5.7 -0.8 36
13 Cruzeiro 28 9.3 10.2 -0.9 45
14 Mirassol 28 7.1 9.0 -1.9 32
15 remo 28 5.6 7.7 -2.1 23
16 Coritiba 28 4.9 7.1 -2.2 38
17 Chapecoense-sc 27 7.3 9.9 -2.6 18
18 Internacional 28 8.8 11.5 -2.7 28
19 Vitoria 28 6.6 11.7 -5.1 33
20 Gremio 28 5.3 13.5 -8.2 29
21 Chapecoense B 20 — — — 10
Serie A Brazil. Serie A Predictions