West Ham 3-2 Chelsea – Result & Analysis
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Poisson rates Chelsea at 55% — current form provides partial corroboration, though signals are mixed in this West Ham vs Chelsea encounter.
✍️ Match Preview
Analysis & Preview
A Premier League encounter, Regular Season - 15 sees Chelsea travel to London Stadium to take on West Ham. The game is scheduled for Saturday 4 December 2021, 12:30 UTC.
Form Guide
West Ham — All Games: 5W 1D 4L from 10 Premier League outings this season, averaging 1.60 points per game. Last five: W W L L D. Offensively they are averaging 1.50 goals per game, with 1.20 conceded. 2 clean sheets from 10 outings provides some defensive foundation. Both teams have scored in 70% of their games — a high BTTS rate that carries real weight in the goals markets. This season is still relatively young for West Ham, so this record blends games from this season and last.
West Ham's home record at London Stadium: 3W 2D 2L from 7 Premier League appearances (1.57 PPG). At home they are averaging 1.86 goals scored and 1.43 conceded per game. Both teams have scored in 86% of their home games — an outstanding BTTS rate that is a key data point for this fixture.
Across all Premier League games this season, Chelsea have recorded 7W 2D 1L from 10 outings — 2.30 PPG. Last five: W D W D W. Their attacking form is sharp — 2.40 goals per game is a high-output rate that commands respect in the goals markets. Defensively, 0.50 goals conceded per game is elite-level — a side this difficult to score against is a real threat to Over 2.5 and BTTS Yes. 5 clean sheets from 10 games (50%) is an exceptional defensive record — they are keeping clean sheets more often than not. This season is still relatively young for Chelsea, so this record blends games from this season and last.
Chelsea's form when playing away from home: 6W 1D 0L across 7 road games this term (2.71 PPG). They are averaging 2.14 goals per away game — strong road scoring that makes them a threat even without home support. 5 away clean sheets from 7 games (71%) — they are as difficult to score against on the road as they are at home. Away from home, both teams have scored in only 29% of games — a low rate that backs BTTS No when they travel.
The form data does not support a straightforward home bias here. Chelsea are 0.70 PPG ahead (2.30 vs 1.60), making them the form-guided selection despite the trip.
In-Play Profile
West Ham in-play tendencies (14 games, 7 at home): BTTS occurs in 86% of their matches (home games); Over 2.5 goals lands in 71% of games (home games); Over 3.5 in 36%.
Chelsea in-play tendencies (14 games, 7 at away): BTTS occurs in 29% of their matches (away games); Over 2.5 goals lands in 57% of games (away games); they keep a clean sheet 57% of the time.
BTTS rates are mixed from the trading data — West Ham 71% versus Chelsea 36%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (West Ham 64% | Chelsea 57%).
Poisson Model
The Poisson distribution model projects West Ham 0.87 xG and Chelsea 1.65 xG. These expected goals figures are the primary input: they feed a goal-probability matrix across all scoreline combinations to derive the result and market probabilities below. Underlying strength ratings: West Ham attack 1.097 / defence 1.106 | Chelsea attack 1.140 / defence 0.694. League average goals — home 1.142 / away 1.312. Chelsea's defence strength of 0.694 is below average — they are conceding at a rate that inflates the home xG figure. Data: 14 West Ham games / 14 Chelsea games used (CurrentSeason).
Result probabilities: West Ham 19% | Draw 26% | Chelsea 55%. Fair-value odds: West Ham 5.26 | Draw 3.85 | Chelsea 1.82. The model has a clear lean to Chelsea (55%) — a 36pp gap over the next-most-likely outcome reflects a meaningful statistical advantage.
Goals markets: Over 2.5 probability 46% | BTTS probability 48% | Total xG 2.52. Over/Under 2.5 is close to a coin-flip at 46%/54% — the total xG of 2.52 sits near the 2.5 margin; this is a low-edge market from a Poisson standpoint. BTTS probability of 48% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Our Verdict
Poisson rates Chelsea as the most likely outcome at 55% — clear model lean. Current-season form corroborates the Poisson lean — partial multi-source support. Draw No Bet is worth pricing alongside the outright: 26% draw probability makes the stalemate a live outcome even at this conviction level.
The Poisson model projects 2.52 xG in total — Under 2.5 at 46% — Poisson-only — limited corroboration confidence.
On the BTTS market, Poisson puts 48% on No. Form rates are neutral: West Ham 86% | Chelsea 29%.
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💡 Key Insights
🏟️ Match Context
• Fixture: West Ham vs Chelsea | Competition: Premier League, Regular Season - 15 | Venue: London Stadium • Kick-off: Saturday 4 Dec 2021, 12:30 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: West Ham 19% | Draw 26% | Chelsea 55% • Poisson goal markets: Over 2.5 46% | BTTS 48% | xG West Ham 0.87 / Chelsea 1.65 • Poisson strength factors: West Ham attack 1.097 / def 1.106 | Chelsea attack 1.140 / def 0.694 | league avg home 1.142 / away 1.312 • Poisson stance: Chelsea (55%) — strong lean
🧮 Prediction Model
0.87
West Ham xG
Expected Goals
1.65
Chelsea xG
48%
BTTS
73%
Over 1.5
46%
Over 2.5
25%
Over 3.5
Full score-by-score matrix & model internals in the "Full Poisson Detail" section below ↓
⚠️ This analysis is generated algorithmically from statistical data and is intended for informational purposes only. It does not constitute betting advice. Please gamble responsibly.
❓ Frequently Asked Questions
What time does West Ham vs Chelsea kick off?
West Ham vs Chelsea kicked off at 12:30 on Saturday 4 December 2021 at London Stadium.
What was the final score in West Ham vs Chelsea?
West Ham 3 - 2 Chelsea.
Where is West Ham vs Chelsea being played?
The match is being played at London Stadium.
What competition is West Ham vs Chelsea part of?
West Ham vs Chelsea is a Regular Season - 15 fixture in the Premier League (England).
Who is favourite to win West Ham vs Chelsea?
Our statistical model gives West Ham a 19% chance of winning, Chelsea a 55% chance, and a 26% chance of a draw — making Chelsea the favourite.
Will both teams score in West Ham vs Chelsea?
Our model estimates a 48% probability that both West Ham and Chelsea will score (BTTS).
Will West Ham vs Chelsea have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 46%.
What is the head-to-head record between West Ham and Chelsea?
No recorded head-to-head meetings available in the dataset.
What form are West Ham and Chelsea in?
West Ham (all comps): 5W-1D-4L in 10 | 1.60 PPG | GF 1.50 / GA 1.20 | L5 W-W-L-L-D. Chelsea (all comps): 7W-2D-1L in 10 | 2.30 PPG | GF 2.40 / GA 0.50 | L5 W-D-W-D-W.
🧮 Model Insight
Model Mechanics
West Ham's attacking strength (1.10x league average) is weighed against Chelsea's defensive record (0.69x) to produce a home expected-goals figure of 0.87. The same calculation in reverse, Chelsea's attack versus West Ham's defence, projects 1.65 expected goals for the visitors.
These ratings are built from 14/14 games of current-season data — a full enough sample to trust.
Most Likely Scorelines
The model's single most probable exact score is 1-1, at 13.0%. Close behind: 0-1 (11.8%), 0-2 (11.0%). Those top three scorelines alone account for 36% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Chelsea Win
19%
5.32
26%
3.82
55%
1.82
Top 3 Most Likely Scorelines
0 – 1
13.3%
Away win
Most likely
1 – 1
11.5%
Draw
0 – 2
11.0%
Away win
Expected Goals & Win Odds
0.87
West Ham xG
Total xG
2.52
1.65
Chelsea xG
5.32
19%
Home win
3.82
26%
Draw
1.82
55%
Away win
Goals Markets
72%
Over 1.5
1.39
28%
Under 1.5
3.57
46%
Over 2.5
2.17
54%
Under 2.5
1.85
25%
Over 3.5
4.00
75%
Under 3.5
1.33
11%
Over 4.5
9.09
89%
Under 4.5
1.12
Match Markets
Both Teams to Score
48%
BTTS Yes
2.09
52%
BTTS No
1.92
Clean Sheet
19%
5.23
42%
2.39
Win to Nil
4%
27.81
23%
4.34
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 8.0 | 13.3 | 11.0 | 6.0 | 2.5 | 0.8 |
| 1 | 7.0 | 11.5 | 9.5 | 5.3 | 2.2 | 0.7 |
| 2 | 3.0 | 5.0 | 4.1 | 2.3 | 0.9 | 0.3 |
| 3 | 0.9 | 1.5 | 1.2 | 0.7 | 0.3 | 0.1 |
| 4 | 0.2 | 0.3 | 0.3 | 0.1 | 0.1 | – |
| 5 | – | 0.1 | – | – | – | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for West Ham vs Chelsea?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 13.0%.
How many goals are West Ham and Chelsea expected to score?
The model projects 0.87 expected goals for West Ham and 1.65 for Chelsea, a combined total of 2.52.
How confident is the prediction model for West Ham vs Chelsea?
Reasonably confident — the model's leading outcome is rated at 55%, a clear lean rather than a toss-up.
📈 Form Insight
Where Both Sides Stand
West Ham's recent record stands at 7W 3D 4L from 14 games, a 1.71 PPG return, with W-W-L-L-D in the last five. The sample for West Ham is still a mix of this season and last, given how young the current campaign is.
Chelsea, meanwhile, have gone 10W 3D 1L across 14 games — 2.36 PPG, with W-D-W-D-W in their last five. The sample for Chelsea is still a mix of this season and last, given how young the current campaign is.
The points-per-game comparison favours Chelsea by 0.65 — a real, if not enormous, edge over West Ham heading into this one.
Home Ground vs the Road
At home specifically, West Ham have managed 3W 2D 2L from 7 games — 1.57 PPG in front of their own supporters.
Chelsea's away record stands at 6W 1D 0L across 7 trips, a 2.71 PPG haul.
Comparing the two in their relevant venue splits, Chelsea come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
The Goals Picture
West Ham are averaging 1.79 goals scored and 1.21 conceded per game recently; Chelsea are on 2.36 scored and 0.43 conceded.
On BTTS specifically: West Ham have seen both teams score in 71% of their recent games.
Defensively: Chelsea in 57% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 14 Results — Premier League
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
West Ham
Blended
Chelsea
Blended
❓ Frequently Asked Questions
What form are West Ham and Chelsea in coming into this match?
West Ham have gone 7W 3D 4L in their last 14 games (1.71 PPG), while Chelsea have gone 10W 3D 1L in their last 14 (2.36 PPG).
Which team has the better venue record — West Ham at home or Chelsea away?
Chelsea's away record (2.71 PPG) is the stronger of the two venue-specific splits — West Ham at home: 1.57 PPG; Chelsea away: 2.71 PPG.
Have West Ham or Chelsea been keeping clean sheets recently?
West Ham have kept a clean sheet in 21% of their recent games, Chelsea in 57%.
⚔️ Rivalry Insight
A Look Back
The fixture history between West Ham and Chelsea runs to 10 recorded meetings, the earliest dating back to December 2021. Every recorded meeting has come in Premier League. They last met on 31 January 2026, roughly 6 months ago.
Digging Into the Numbers
Chelsea have won the last 5 meetings between these two, a run that gives them the psychological edge coming in.
The biggest gap between the sides came on 5 May 2024, when Chelsea won 5-0 — the largest margin of victory on record between these two.
West Ham's record when hosting Chelsea specifically: 2W 1D 2L from 5 games — a narrower, venue-specific slice of the head-to-head picture.
Last 10 Meetings
2
West Ham
1
Draws
7
Chelsea
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between West Ham and Chelsea?
From 10 meetings on record, West Ham have won 2, Chelsea have won 7, and 1 have been drawn.
When did West Ham and Chelsea last play each other?
They last met on 31 January 2026, when Chelsea 3-2 West Ham.
Who has won more matches between West Ham and Chelsea?
Chelsea have the better head-to-head record, with 7 wins from 10 meetings.
📈 Trading Insight
The Numbers That Matter
BTTS sits in mixed territory for this pairing — West Ham 86%, Chelsea 29% — no strong lean either way from the trading data alone.
Goals have flowed in these teams' recent matches — Over 2.5 has landed at 71% for West Ham and 57% for Chelsea. Stepping up a level, Over 3.5 has also landed reasonably often — 43% and 0% respectively — worth a look for goal-hungry markets.
On the defensive side: Chelsea in 71%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = West Ham home games / Chelsea away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when West Ham play Chelsea?
Yes — based on recent matches, both teams have scored in 86% of West Ham's games and 29% of Chelsea's, a combined rate that favours BTTS Yes.
Is West Ham vs Chelsea usually a high-scoring fixture?
Recent trends suggest it could be — Over 2.5 goals has landed in 71% of West Ham's matches and 57% of Chelsea's.
Shock result as West Ham defy the odds to beat Chelsea 3-2.
📝 Match Report
How It Unfolded
West Ham beat Chelsea 3-2 at London Stadium, Regular Season - 15, in the Premier League. The remainder of the report sets that outcome against the pre-match model, the markets and the teams' data profiles.
The Model vs The Result
The Poisson model went into this projecting West Ham 0.87 xG and Chelsea 1.65 xG, a combined 2.52. The scoreboard read 3-2 for 5 actual goals. West Ham beat their projection by 2.1 — clinical relative to the chances the model priced in. Those figures were built on strength ratings of West Ham attack 1.10 / defence 1.11 against Chelsea attack 1.14 / defence 0.69, drawn from 14/14 games (CurrentSeason).
On the result, the model split it West Ham 19% | Draw 26% | Chelsea 55%, with Chelsea to win its most likely call at 55%. Instead the game produced a West Ham win, an outcome the model had rated at just 19% — a clear break from expectation and a genuine upset by the numbers.
Goals & Markets
The model rated Over 2.5 goals at 46%. The game delivered 5, so it went over — against the model's lean. Over 1.5 had been 73% and landed. Over 3.5 was 25% and came in. On both teams to score, the model sat at 48% and the match saw both sides score — a miss on BTTS. Historically the two sides average 61% Over 2.5 across their same-competition games (West Ham 64%, Chelsea 57%), a base rate that agreed with today's over. Their combined BTTS history runs at 54%, which matched the both-scored outcome.
Trading Patterns vs Reality
West Ham's trading profile (14 games, 7 home) set some clear expectations: BTTS lands in 71% of their matches — today it did.
Chelsea's trading profile (14 games, 7 away) set some clear expectations: BTTS lands in 36% of their matches — today it did; they keep a clean sheet 57% of the time, and conceded here.
Form vs Result
On form, Chelsea arrived the stronger side — 2.36 PPG against 1.71. Form was overturned, with West Ham winning despite arriving in poorer recent shape. West Ham (home/away splits) scored 3 against a 1.86 average — above their attacking norm. Chelsea (home/away splits) shipped 3 against a 0.29 concession average — a leakier day than usual.
Verdict
Grading the result against the stored data, 0 of 4 pre-match signals came in: result (miss), Over 2.5 (miss), BTTS (miss), form (miss). This one broke away from the data — most of the pre-match signals were overturned by how the ninety minutes actually played out.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.