WC2026 Model Tracker
Bivariate-Poisson predictions vs actual results · a live, honest experiment

🇨🇿 Czechia vs South Africa 🇿🇦  WINNER MISS

FIFA World Cup 2026, Group A, Matchday 2 · Neutral site (Mexico/USA)
Kickoff Jun 18, 2026 · 16:00 UTC
Final · Czechia 1–1 South Africa
Goals: 6' Michal Sadílek (Czechia); 83' Teboho Mokoena (South Africa)
Actual stats: xG 1.02 – 1.37 · 10 corners · 3 cards (0 red)

Prediction vs result  5/8 markets hit

MarketModel calledActualOutcome
1X2CzechiaDraw (1-1)MISS
Score1-11-1HIT
O/U 2.5Under 2.5 (51.8%)2 goalsHIT
BTTSYes (53.0%)YesHIT
CornersUnder 8.5 (54.3%)10 cornersMISS
CardsUnder 3.5 (53.4%)3 cardsHIT
Red cardNo (89.1%)NoHIT
AHCzechia -0.50LossMISS

Model vs market

MarketModelBook oddsBook p*EV
Czechia win47.6%1.7553.6%-16.6%
Draw26.8%3.8024.7%+2.0%
South Africa win25.5%4.3321.7%+10.6%
Over 2.5 goals48.2%2.1045.1%+1.3%
Under 2.5 goals51.8%1.7354.9%-10.6%
Both teams score: yes53.0%2.0545.3%+8.6%
Both teams score: no47.0%1.7054.7%-20.1%
Over 8.5 corners (exp 8.35)45.7%1.7353.7%-21.1%
Under 8.5 corners54.3%2.0046.3%+8.7%
Over 3.5 cards (exp 3.51)46.6%1.7353.7%-19.5%
Under 3.5 cards53.4%2.0046.3%+6.8%
Any red card10.9%
Model-only estimates (no straight market equivalent): expected goals Czechia 1.54 – 1.08 South Africa · fair Asian handicap Czechia -0.50
In the table above, Model = our probability and Book odds / Book p* = the bookmaker's (p* has the margin removed). EV = value per unit staked at the model's probability (positive = model sees value). “—” = market not in the captured feed.
Model reasoning (chain of thought)
PREDICTION RATIONALE — Czechia vs South Africa  (FIFA World Cup 2026, Group A, Matchday 2)
Venue: Neutral site (Mexico/USA)

1. DATA. Last-10 internationals (Sofascore interception scraper).
   Czechia: record DDLWWWWWWL, 2.60 GF / 1.50 GA,
   xG 1.42 / xGA 1.02.
   South Africa: record WWLWLDLDDL, 1.20 GF / 1.30 GA,
   xG 0.97 / xGA 0.8.
   Opponent-strength tiers (configs.MASTER_TIERS) applied per match.

2. RATINGS. Czechia atk 1.06 def 1.12; South Africa atk 0.68 def 1.19.
   NEUTRAL VENUE: home boost / away penalty set to 1.0/1.0 (both teams
   travel to a host-nation site; no host advantage applies — a key difference
   from the Korea/Canada/USA host-nation games). lambda Czechia 1.54, South Africa 1.08
   after 85% model weight + shrink to 1.3 baseline.
   Injuries: {'Czechia': ['No major absences reported'], 'South Africa': ['No major absences reported']}.
   Context: Group A matchday 2. Czechia favoured; South Africa beaten 2-0 by Mexico in MD1. Neutral venue; referee TBC.

3. MODEL. Bivariate Poisson (lambda3 0.12). 1X2 Czechia 47.6% /
   draw 26.8% / South Africa 25.5%. Winner Czechia; score 1-1; fair AH Czechia -0.50.
   Over 2.5 48.2%; BTTS 53.0%.

4. EVENTS. Referee TBD: 3.8 Y + 0.1 R/match
   blended (weight 0.35) with WC base 3.3054 -> expected
   cards 3.51, P(over 3.5) 46.6%; P(any red)
   10.9%. Corners expected 8.4 (scale
   0.9827) -> P(over 8.5) 45.7%.

5. LIMITATIONS. 10-match samples; hand-set tiers/priors; Poisson corners; lineups
   probable not confirmed; card base rate calibrated on only 4 WC matches.