Cheltenham 2-1 Portsmouth – Result & Analysis
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Poisson model rates Portsmouth at 56% — neither recent form nor the head-to-head data gives a clear steer either way as Cheltenham face Portsmouth.
✍️ Match Preview
Match Analysis
Cheltenham host Portsmouth at Completely-Suzuki Stadium in League One (matchday 27). Kick-off is Saturday 6 January 2024 at 15:00 UK time.
Form Guide
Cheltenham — last 10 games: 4W 3D 3L, averaging 1.50 points per game. Last five: L W W D L. They are averaging 1.30 goals per game and conceding 1.00 — a modest attacking output that tempers optimism on the Over 2.5 market. 3 clean sheets from 10 outings (30%). Both teams have scored in 60% of their games — a high BTTS rate that carries real weight in the goals markets.
Cheltenham's form when playing at home: 3W 3D 4L across their last 10 home games (1.20 PPG). At home they are averaging 1.00 goals scored and 1.30 conceded per game.
Looking at their last 10 matches, Portsmouth stand at 5W 3D 2L — 1.80 PPG. Last five: W D L D W. They are scoring at 1.60 per game and conceding 1.00. 5 clean sheets from 10 games (50%) is an exceptional defensive record — they are keeping clean sheets more often than not.
Portsmouth's away record over their last 10 away games: 6W 3D 1L (2.10 PPG). They are averaging 1.80 goals per away game — strong road scoring that makes them a threat even without home support. 5 away clean sheets from their last 10 away games (50%) — they are hard to break down on the road.
The form comparison is too close to call — 1.50 PPG (Cheltenham) versus 1.80 (Portsmouth). When the figures are this level, no pick can be reliably derived from recent results alone.
Head to Head
There is little to separate the sides in our head-to-head data. From 5 H2H matches, Cheltenham have won 1, Portsmouth 2, with 2 draws — a balanced record that offers no clear steer on its own.
The 5 H2H matches in our data have been tight, averaging just 1.8 goals per game — a meaningful input for the Under 2.5 market. The most recent of those, on 19 Aug 2023, ended Cheltenham 0–0 Portsmouth — a draw.
With a balanced win record and just 1.8 goals per game, the H2H data points toward a tight, low-scoring contest — Under 2.5 is the stronger head-to-head angle regardless of which side wins.
In-Play Profile
Cheltenham in-play tendencies (last 70 games, 34 of them at home): at least one goal arrives before half-time in 59% of their matches in home games; when goalless at HT, a second-half goal follows 74% of the time; BTTS occurs in 38% of their matches (home games); Over 2.5 goals lands in 38% of games (home games); they fail to score in 44% of games.
Portsmouth in-play tendencies (last 70 games, 34 of them away): at least one goal arrives before half-time in 71% of their matches in away games; when goalless at HT, a second-half goal follows 61% of the time; of the 14 games they trailed at half-time, they recovered to draw or win 36%; BTTS occurs in 44% of their matches (away games); Over 2.5 goals lands in 41% of games (away games); they keep a clean sheet 41% of the time.
BTTS rates are mixed from the trading data — Cheltenham 36% versus Portsmouth 50%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Cheltenham 41% | Portsmouth 43%).
Poisson Model
The Poisson distribution model projects Cheltenham 0.80 xG and Portsmouth 1.62 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: Cheltenham attack 0.846 / defence 1.081 | Portsmouth attack 1.321 / defence 0.689. League average goals — home 1.377 / away 1.135. Portsmouth bring a tight defence (rating 0.689, below 1 = concedes less than average) — this is pulling Cheltenham's projected output down. Portsmouth have an above-average attack rating of 1.321, which lifts their away xG to 1.62. Data: built from Cheltenham's last 70 games and Portsmouth's last 71.
Result probabilities: Cheltenham 18% | Draw 26% | Portsmouth 56%. Fair-value odds: Cheltenham 5.55 | Draw 3.90 | Portsmouth 1.77. The model has a clear lean to Portsmouth (56%) — a 30pp gap over the next-most-likely outcome reflects a meaningful statistical advantage.
Goals markets: Over 2.5 probability 44% | BTTS Yes probability 45% | Total xG 2.42. Under 2.5 has a narrow probability edge at 56% — total xG of 2.42 is below the line but not decisively so. BTTS No at 55% is only a slight lean — the model gives both sides a fair chance of scoring, so No isn't a clear standalone call.
Analysis Verdict
On the Poisson output, Portsmouth are the pick at 56% — clear model lean. 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 2.42 xG in total — Under 2.5 at 56% — reasonable conviction, supported by the H2H data averaging 1.8 goals per game across 5 H2H matches.
On the BTTS market, Poisson puts 55% on No. Form rates corroborate — both teams scored in: Cheltenham 40% (last 10 home games) | Portsmouth 50% (last 10 away games).
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💡 Key Insights
🏟️ Match Context
• Fixture: Cheltenham vs Portsmouth | Competition: League One, matchday 27 | Venue: Completely-Suzuki Stadium • Kick-off: Saturday 6 January 2024 at 15:00 UK time • Data inputs: head-to-head data, recent form (overall and home/away), the Poisson prediction model and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Cheltenham 18% | Draw 26% | Portsmouth 56% • Poisson goal markets: Over 2.5 44% (Under 56%) | BTTS Yes 45% (No 55%) | xG Cheltenham 0.80 / Portsmouth 1.62 • Poisson strength factors: Cheltenham attack 0.846 / def 1.081 | Portsmouth attack 1.321 / def 0.689 | league avg home 1.377 / away 1.135 • Poisson stance: Portsmouth (56%) — strong lean
🧮 Prediction Model
0.80
Cheltenham xG
Expected Goals
1.62
Portsmouth xG
45%
BTTS
70%
Over 1.5
44%
Over 2.5
23%
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.
❓ Cheltenham vs Portsmouth FAQs
What time does Cheltenham vs Portsmouth kick off?
Cheltenham vs Portsmouth kicked off at 15:00 UK time on Saturday 6 January 2024 at Completely-Suzuki Stadium.
What was the final score in Cheltenham vs Portsmouth?
Cheltenham 2 - 1 Portsmouth.
Where is Cheltenham vs Portsmouth being played?
The match is being played at Completely-Suzuki Stadium.
What competition is Cheltenham vs Portsmouth part of?
Cheltenham vs Portsmouth is a League One fixture (matchday 27) (England).
Who is favourite to win Cheltenham vs Portsmouth?
Our statistical model gives Cheltenham a 18% chance of winning, Portsmouth a 56% chance, and a 26% chance of a draw — making Portsmouth the favourite.
Will both teams score in Cheltenham vs Portsmouth?
Our model estimates a 45% probability that both Cheltenham and Portsmouth will score, so it leans towards BTTS No (55%).
Will Cheltenham vs Portsmouth have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 44%, so it leans towards under 2.5 goals (56%).
🧮 Model Insight
How the Model Works This Match
The model rates Cheltenham's attack at 0.85x the league average against Portsmouth's defence at 0.69x — combine the two and it projects 0.80 expected goals for the hosts. The same calculation in reverse, Portsmouth's attack versus Cheltenham's defence, projects 1.62 expected goals for the visitors.
These ratings are built from Cheltenham's last 70 games and Portsmouth's last 71 — a full enough recent sample to trust.
Scoreline Breakdown
Of every possible scoreline, 1-1 carries the highest individual probability at 13.0% — still a long way from a near-certainty, which says something about how open this one is on paper. Close behind: 0-1 (12.9%), 0-2 (11.6%). Those top three scorelines alone account for 38% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Portsmouth Win
18%
5.55
26%
3.90
56%
1.77
Top 3 Most Likely Scorelines
0 – 1
14.4%
Away win
Most likely
0 – 2
11.6%
Away win
1 – 1
11.5%
Draw
Expected Goals & Win Odds
0.80
Cheltenham xG
Total xG
2.42
1.62
Portsmouth xG
5.55
18%
Home win
3.90
26%
Draw
1.77
56%
Away win
Goals Markets
70%
Over 1.5
1.43
30%
Under 1.5
3.33
44%
Over 2.5
2.27
56%
Under 2.5
1.79
23%
Over 3.5
4.35
77%
Under 3.5
1.30
10%
Over 4.5
10.00
90%
Under 4.5
1.11
Match Markets
Both Teams to Score
45%
BTTS Yes
2.24
55%
BTTS No
1.81
Clean Sheet
20%
5.05
45%
2.23
Win to Nil
4%
28.06
25%
3.96
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 8.9 | 14.4 | 11.6 | 6.3 | 2.5 | 0.8 |
| 1 | 7.1 | 11.5 | 9.3 | 5.0 | 2.0 | 0.7 |
| 2 | 2.9 | 4.6 | 3.8 | 2.0 | 0.8 | 0.3 |
| 3 | 0.8 | 1.2 | 1.0 | 0.5 | 0.2 | 0.1 |
| 4 | 0.2 | 0.2 | 0.2 | 0.1 | – | – |
| 5 | – | – | – | – | – | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Cheltenham vs Portsmouth Prediction FAQs
What is the most likely scoreline for Cheltenham vs Portsmouth?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 13.0%.
How many goals are Cheltenham and Portsmouth expected to score?
The model projects 0.80 expected goals for Cheltenham and 1.62 for Portsmouth, a combined total of 2.42.
How confident is the prediction model for Cheltenham vs Portsmouth?
Reasonably confident — the model's leading outcome is rated at 56%, a clear lean rather than a toss-up.
📈 Form Insight
Form at a Glance
Cheltenham come into this having played 70 games, going 19W 17D 34L for 1.06 points per game. Their last five reads L-W-W-D-L.
On the other side, Portsmouth sit at 1.74 PPG from 70 outings (32W 26D 12L), a run that reads W-D-L-D-W across their last five.
Portsmouth carry the stronger recent form of the two, 0.68 PPG clear of Cheltenham — worth weighing alongside whatever the head-to-head and market data say.
Venue Form
Cheltenham's home form reads 11W 11D 12L across their last 34 home games, a 1.29 PPG return.
Away from home, Portsmouth have taken 1.65 points per game from their last 34 away games (15W 11D 8L).
Goals in Recent Form
Cheltenham are averaging 0.89 goals scored and 1.34 conceded per game recently; Portsmouth are on 1.41 scored and 0.96 conceded.
Defensively: Portsmouth in 41% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 70 Results
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Cheltenham
Blended
Portsmouth
Blended
Cheltenham (Home) vs Portsmouth (Away)
Home games only for the home side · Away games only for the away side
Cheltenham
Blended
Portsmouth
Blended
❓ Cheltenham vs Portsmouth Form FAQs
What form are Cheltenham and Portsmouth in coming into this match?
Cheltenham have gone 19W 17D 34L in their last 70 games (1.06 PPG), while Portsmouth have gone 32W 26D 12L in their last 70 (1.74 PPG).
Which team has the better venue record — Cheltenham at home or Portsmouth away?
Portsmouth's away record (1.65 PPG) is the stronger of the two venue-specific splits — Cheltenham at home: 1.29 PPG; Portsmouth away: 1.65 PPG.
Have Cheltenham or Portsmouth been keeping clean sheets recently?
Cheltenham have kept a clean sheet in 30% of their recent games, Portsmouth in 41%.
⚔️ Rivalry Insight
Fixture History
This section is based on the 6 H2H matches we hold for this pairing, spanning roughly 2 years from November 2021. All of them came in League One. The most recent in our data was on 6 January 2024, some 2 years back — so squads and form on both sides may look very different now.
Streaks & Records
The biggest gap in our H2H data came on 25 Feb 2023, when Portsmouth won Portsmouth 4-0 Cheltenham.
Cheltenham's record when hosting Portsmouth specifically: 2W 0D 1L from 3 games — a narrower, venue-specific slice of the head-to-head picture.
Last 6 Meetings
2
Cheltenham
2
Draws
2
Portsmouth
Recent Meetings
❓ Cheltenham vs Portsmouth H2H FAQs
What is the head-to-head record between Cheltenham and Portsmouth?
Across the 6 head-to-head matches in our data, Cheltenham have won 2, Portsmouth have won 2, and 2 have been drawn.
When did Cheltenham and Portsmouth last play each other?
The most recent meeting in our data was on 6 January 2024: Cheltenham 2-1 Portsmouth.
📈 Trading Insight
First-Half Patterns
Cheltenham see a goal before the break in 59% of their matches. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 22% of those situations.
Portsmouth are typically involved in an early goal — the half-time board shows at least one in 71% of their matches. They've gone in front at half-time 41% of the time. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 14% of those situations.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Cheltenham 38%, Portsmouth 44% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 38% (Cheltenham) and 41% (Portsmouth).
On the defensive side: Cheltenham keep a clean sheet in 38% of their matches; Portsmouth in 47%; Cheltenham have failed to score in 38% of games.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Cheltenham home games / Portsmouth away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Cheltenham vs Portsmouth Trading FAQs
Do both teams usually score in Cheltenham and Portsmouth matches?
Not especially — both teams scoring has occurred in only 38% of Cheltenham's recent matches and 44% of Portsmouth's, a rate that leans toward BTTS No.
Are Cheltenham and Portsmouth matches usually high-scoring?
Not particularly — Over 2.5 goals has come in for only 38% of Cheltenham's recent games and 41% of Portsmouth's, pointing to a tighter contest.
Do Cheltenham and Portsmouth matches tend to have early goals?
There has been at least one first-half goal in 59% of Cheltenham's recent matches and 71% of Portsmouth's — a useful reference point for first-half goal markets.
Shock result as Cheltenham defy the odds to beat Portsmouth 2-1.
📝 Match Report
How It Unfolded
Cheltenham beat Portsmouth 2-1 at Completely-Suzuki Stadium, Regular Season - 27, in the League One. That is the final score; the rest of this report grades it against what the data forecast beforehand.
The Model vs The Result
The Poisson model went into this projecting Cheltenham 0.80 xG and Portsmouth 1.62 xG, a combined 2.42. The scoreboard read 2-1 for 3 actual goals. Cheltenham beat their projection by 1.2 — clinical relative to the chances the model priced in. Those figures were built on strength ratings of Cheltenham attack 0.85 / defence 1.08 against Portsmouth attack 1.32 / defence 0.69, drawn from 70/71 games (CurrentSeason).
On the result, the model split it Cheltenham 18% | Draw 26% | Portsmouth 56%, with Portsmouth to win its most likely call at 56%. Instead the game produced a Cheltenham win, an outcome the model had rated at just 18% — a clear break from expectation and a genuine upset by the numbers.
Goals & Markets
The model rated Over 2.5 goals at 44%. The game delivered 3, so it went over — a miss for the goals model. Over 1.5 had been 70% and landed. On both teams to score, the model sat at 45% and the match saw both sides score — a miss on BTTS. Historically the two sides average 42% Over 2.5 across their same-competition games (Cheltenham 41%, Portsmouth 43%), a base rate that pointed the other way from today's over. Their combined BTTS history runs at 43%, which did not match the both-scored outcome.
Trading Patterns vs Reality
Cheltenham's trading profile (70 games, 34 home) set some clear expectations: BTTS lands in 36% of their matches — today it did; they keep a clean sheet 30% of the time, and conceded here.
Portsmouth's trading profile (70 games, 34 away) set some clear expectations: BTTS lands in 50% of their matches — today it did; they keep a clean sheet 41% of the time, and conceded here.
Form vs Result
On form, Portsmouth arrived the stronger side — 1.74 PPG against 1.06. Form was overturned, with Cheltenham winning despite arriving in poorer recent shape. Cheltenham (home/away splits) scored 2 against a 0.97 average — above their attacking norm. Portsmouth (home/away splits) shipped 2 against a 0.97 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). A poor return for the projections: the match defied the majority of what the numbers expected.
💡 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.
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