Predictions / Football / Costa-Rica. Primera División / Perez Zeledon vs CS Cartagines

Prediction Audit: Perez Zeledon vs CS Cartagines Prediction, Odds & AI Betting Tips

Aug 04, 2026 - 02:00
1 1.21
0 1.39
xG Accuracy: 64%

The model missed the final outcome (Perez Zeledon win 1–0).

The model had projected CS Cartagines at 39.5%, 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 Under 2.5 (1 goals) ✔ Correct
  • Both Teams To Score BTTS Yes No ✖ Incorrect
  • 1X2 CS Cartagines Perez Zeledon ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 1-0 ✔ Correct

Model vs Closing Market

Moderate Disagreement

The closing market prices CS Cartagines higher than the statistical model.

Largest probability gap: CS Cartagines -5.7 pp

Outcome Model Closing Market Difference Signal
Perez Zeledon 31.0% 26.8% +4.2 pp Aligned
Draw 29.5% 28.1% +1.4 pp Aligned
CS Cartagines 39.5% 45.1% -5.7 pp Market Higher

The closing market estimates CS Cartagines's win probability at 45.1%, compared with the model's estimate of 39.5%, a difference of 5.7 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 Perez Zeledon win 1–0.

Market Assessment

The market and model broadly agree on CS Cartagines. The remaining divergence may reflect differences in team-strength assumptions rather than a directional disagreement.

  • Monitor line movement before kickoff — not a betting recommendation.

Post Match Insights

What worked

  • Under 2.5 goals aligned with the xG profile
  • Exact score 1–0 fell within the model's highlighted bins

What failed

  • Both Teams To Score: model leaned BTTS Yes; match finished BTTS No
  • 1X2: model leaned CS Cartagines; match finished Perez Zeledon

Market lesson

The closing market differed from the model on CS Cartagines by 5.7 percentage points (45.1% 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. Aug 04, 2026 · 01:59 UTC Forecast generated
    • Model 1X2 · Perez Zeledon 31.0% · Draw 29.5% · CS Cartagines 39.5%
    • xG · Perez Zeledon 1.21 — CS Cartagines 1.39
  2. Aug 04, 2026 · 01:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Perez Zeledon 3.55 · Draw 3.39 · CS Cartagines 2.11
    • Implied 1X2 · Perez Zeledon 26.8% · Draw 28.1% · CS Cartagines 45.1%
    • Bookmaker · Pinnacle
  3. Aug 04, 2026 · 01:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Perez Zeledon 3.55 · Draw 3.39 · CS Cartagines 2.11
    • Implied 1X2 · Perez Zeledon 26.8% · Draw 28.1% · CS Cartagines 45.1%
    • Bookmaker · Pinnacle
  4. Aug 04, 2026 · 02:00 UTC Kickoff
  5. FT Full-time result Perez Zeledon win · 1–0
  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 76/100 · High
  • Validation: Pass
Evidence ★★★★★
  • No strong statistical edge
  • Direction agrees with model lean
  • Validation passed
Market Compatibility 71/100
Betting Confidence 79/100

Validation Report

Immutable Snapshot

Prediction Time: Jul 29, 2026 · 10:33 UTC Snapshot ID: dp-2359944

Closing Odds 2.11
AI Fair Odds —
CLV Pending
Final Result Perez Zeledon win · Perez Zeledon 1–0 CS Cartagines
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

Quick read on how the model reads this matchup.

  • League: Primera División
  • Fixture: Perez Zeledon vs CS Cartagines
  • Kickoff: 2026-08-04 02:00:00
  • 1X2 (model): Home 31.0% · Draw 29.5% · Away 39.5%
  • xG (showing): Perez Zeledon 1.21 — CS Cartagines 1.39 (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 54.3% · No 45.7%) Value lean (pricing): O/U 2.5 Under 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.

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

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 30, 2026 (UTC)

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Primera División Primera División — Standings
# TEAM MP W D L PTS
1 Deportivo Saprissa 9 7 0 2 21
2 CS Cartagines 9 6 0 3 18
3 Sporting San Jose 9 5 2 2 17
4 San Carlos 9 5 0 4 15
5 LD Alajuelense 9 4 2 3 14
6 Inter San Carlos 9 4 2 3 14
7 Puntarenas FC 9 3 2 4 11
8 Perez Zeledon 9 2 2 5 8
9 CS Herediano 9 2 1 6 7
10 Escorpiones Belén 9 1 1 7 4
# TEAM MP GS GC +/- PTS
1 Deportivo Saprissa 9 20 10 +10 21
2 CS Cartagines 9 18 10 +8 18
3 Sporting San Jose 9 16 8 +8 17
4 LD Alajuelense 9 15 10 +5 14
5 Inter San Carlos 9 9 12 -3 14
6 San Carlos 9 8 9 -1 15
7 Puntarenas FC 9 8 13 -5 11
8 CS Herediano 9 8 14 -6 7
9 Perez Zeledon 9 7 14 -7 8
10 Escorpiones Belén 9 6 15 -9 4