Brentford vs Chelsea prediction & probabilities (2026-09-18)

Premier League

Brentford vs Chelsea Cards

2026-09-18 · 20:00
Cards60.7%Over 3.5 cards
Best predictionOver 3.5 cards · 60.7%A moderate lean, nothing emphatic. Calibrated, not a tip.
61%

model probability

ConvictionModerate

Expert AI analysis

Our model lands on Over 3.5 cards at 60.7%, its strongest read on the Cards market. Across the lines, the model goes from 79.2% for over 2.5 to 24.9% for over 5.5, with over 4.5 the closest line to a coin-flip at 41.3%. Head to head on cards, Chelsea are the model’s pick to pick up more cards at 50.1%, with a level count at 19.6%. Calibrated against real results, we show the read, not a sure thing.

Cards (bookings)

Over 2.579.2%

Over 3.560.7%

Over 4.541.3%

Over 5.524.9%

Total cards, every line

Line Over Under
2.5 cards 79.2% 20.8%
3.5 cards 60.7% 39.3%
4.5 cards 41.3% 58.7%
5.5 cards 24.9% 75.1%

Who picks up more cards

Brentford30.4%

Level19.6%

★ ModelChelsea50.1%

Team card lines

Brentford over 1.5

55.0%

Brentford over 2.5

28.1%

Chelsea over 1.5

68.5%

Chelsea over 2.5

42.3%

Card handicap

Brentford line Brentford Chelsea
-1.5 15.4% 84.6%
-0.5 30.4% 69.6%
+0.5 50.0% 50.1%
+1.5 69.2% 30.8%

Red card

Any red card5.7%

Brentford red card1.5%

Chelsea red card4.3%

Fouls

Line Over Under
20.5 fouls 57.5% 42.5%
22.5 fouls 41.2% 58.8%
24.5 fouls 26.7% 73.3%

Bookings are a lower-liquidity market, so calibration matters most here, these are the model total-booking probabilities for Brentford vs Chelsea. Slightly more cards are projected for Chelsea for the most cards.

In-depth analysis

60.7%Over 3.5 cards
5.7%Any red card
50.1%Most cards: Chelsea
55.0%Brentford over 1.5 cards
68.5%Chelsea over 1.5 cards
41.2%Over 22.5 fouls

Split by side, Brentford over 1.5 cards sits at 55.0% and Chelsea at 68.5%. A red card for either side is rated at 5.7% (Brentford 1.5%, Chelsea 4.3%).

We publish the model, not a sure thing. Calibration is our edge, not beating the market.

Model lenses

Different analytical lenses our model applies to the same calibrated data, not separate tipsters, and never a tip.

The CalibratorRaw model read: 60.7% on Cards, graded against real out-of-sample results, no odds attached.
The FlashpointAny red card is rated at 5.7%, unlikely, and priced as such.
The DisciplinarianChelsea are the pick to collect more cards at 50.1%, bookings follow the side defending under pressure.
The Line SetterThe fairest total line is 4.5 cards: over sits at 41.3%, the closest to a coin-flip on the ladder.

FAQ

How many cards in Brentford vs Chelsea?
The model rates over 3.5 total cards at 60.7% for Brentford vs Chelsea.

Will there be a red card in Brentford vs Chelsea?
The model rates a red card for either side at 5.7%.

Which team will pick up more cards in Brentford vs Chelsea?
The model rates Chelsea to pick up more cards at 50.1%, with a level count at 19.6%.

How is this probability calculated?
We fit a goals and markets model (Dixon-Coles plus an xG strength model and an ensemble) on real match data, then calibrate the output against out-of-sample results. It is a calibrated model probability, not an odds-derived tip.

Is this a betting tip?
No – these are calibrated model probabilities, graded against real results. We publish our full track record, including the misses, and never claim to beat the closing market.

Cards accuracy

How our Cards calls have actually performed, graded out-of-sample against real results.

61.4%Best Cards call, hit rate
0.0223Calibration error
50,306Matches graded

In 10,111 matches we rated like this one (60–70%), Cards actually happened 65.7% of the time.

Predictions & track record updated 16 Sep 2026. See the full, dated track record →

Our last 10 Cards calls

The model’s most recent graded Cards predictions, out-of-sample. Green means the call hit, red means it missed. The number is the model confidence on each.

✗ 53.8%✗ 60.9%✗ 54.3%✓ 51.5%✓ 54.7%✓ 72.7%✓ 71.4%✓ 69.0%✓ 79.4%✓ 51.2%
7 of 10 recent calls hit.
Leeds vs Newcastle2026-09-14Over 3.5 53.8%Miss
Villarreal vs Betis2026-09-14Over 3.5 60.9%Miss
Como vs Parma2026-09-14Over 3.5 54.3%Miss
Torino vs Roma2026-09-14Under 3.5 51.5%Hit
Inter vs Udinese2026-09-14Under 3.5 54.7%Hit

More Premier League, Cards

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Model probabilities, calibration-graded, not a tip. We publish our track record, including the misses. 18+. For information only, not betting advice. If gambling is a problem, visit BeGambleAware.