Cheltenham 1-0 Portsmouth – Result & Analysis
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Poisson rates Portsmouth at 35% — current form provides partial corroboration, though signals are mixed in this Cheltenham vs Portsmouth encounter.
✍️ Match Preview
Match Analysis
Cheltenham host Portsmouth at Jonny-Rocks Stadium in League One, Regular Season - 42. Kick-off is scheduled for Saturday 9 April 2022 at 15:00 UTC.
Form Guide
Cheltenham — All Games: 3W 3D 4L from 10 League One outings this season, averaging 1.20 points per game. Last five: W W L L D. They are averaging 2.20 goals per game — a high-scoring output that makes them a genuine attacking threat in any fixture. However, 2.20 goals conceded per game is a concern — opposing attacks have exploited them regularly. 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.
Cheltenham's form when playing at home: 4W 4D 2L across 10 games at Jonny-Rocks Stadium this term (1.60 PPG). At home they are averaging 1.60 goals scored and 1.00 conceded per game. BTTS has landed in 60% of their home matches — a rate that supports the Yes angle in this fixture.
Looking at all fixtures this season, Portsmouth stand at 5W 4D 1L from 10 League One matches — 1.90 PPG. Last five: W D L D D. Their attacking form is sharp — 2.00 goals per game is a high-output rate that commands respect in the goals markets. 4 clean sheets in 10 outings (40%) underlines their defensive solidity.
Portsmouth's away record: 3W 4D 3L from 10 road trips in League One this season (1.30 PPG). Away from home they average 0.90 goals scored and 0.80 conceded per game. 4 clean sheets from 10 away games (40%) shows they are capable of shutting up shop on the road. Their away PPG of 1.30 is notably below their overall 1.90 — form away from home has been a clear weakness this season.
Form points away from home here. Portsmouth's 1.90 PPG return is 0.70 points per game ahead of Cheltenham's 1.20 — the visitors are the form-based selection, and Double Chance is an alternative worth pricing if the outright looks tight.
Head to Head
The rivalry is an even one: 0 wins apiece for Cheltenham, 0 for Portsmouth and 1 shared spoils from 1 past contests. Neither side holds a meaningful historical edge.
The 1 previous meetings have averaged 2.0 goals per game — a neutral rate that provides no strong lean on the goals market from the H2H alone. The most recent clash, on 2 Nov 2021, ended 1–1 with a draw.
The head-to-head offers no strong directional steer in either the result or goals markets. Form, the predictive model and current market pricing should carry more weight than the historical record for this fixture.
In-Play Profile
Cheltenham in-play tendencies (39 games, 19 at home): they score before half-time in 79% of fixtures in home games; when goalless at HT, a second-half goal follows 67% of the time; BTTS occurs in 58% of their matches (home games); Over 2.5 goals lands in 53% of games (home games); Over 3.5 in 44%.
Portsmouth in-play tendencies (39 games, 19 at away): they score before half-time in 47% of fixtures in away games; when goalless at HT, a second-half goal follows 62% of the time; BTTS occurs in 42% of their matches (away games); Over 2.5 goals lands in 42% of games (away games); they keep a clean sheet 44% of the time.
BTTS rates are mixed from the trading data — Cheltenham 64% versus Portsmouth 44%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Cheltenham 56% | Portsmouth 51%).
Poisson Model
The Poisson distribution model projects Cheltenham 1.14 xG and Portsmouth 1.14 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 1.055 / defence 1.183 | Portsmouth attack 0.823 / defence 0.974. League average goals — home 1.111 / away 1.174. Data: 41 Cheltenham games / 39 Portsmouth games used (CurrentSeason).
Result probabilities: Cheltenham 35% | Draw 30% | Portsmouth 35%. Fair-value odds: Cheltenham 2.86 | Draw 3.33 | Portsmouth 2.86. The draw (30%) is the Poisson-preferred outcome — neither side is more likely to win than to draw, making draw-inclusive markets the most model-aligned approach.
Goals markets: Over 2.5 probability 40% | BTTS probability 47% | Total xG 2.28. Under 2.5 has a narrow probability edge at 60% — total xG of 2.28 is below the line but not decisively so. BTTS probability of 47% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Analysis Verdict
The Poisson model's preferred outcome is the draw at 30% — neither side is more likely to win than to draw. Draw-inclusive markets are the most model-aligned approach. Home win at 35% and away win at 35% are close enough that backing either outright carries significant draw exposure.
The Poisson model projects 2.28 xG in total — Under 2.5 at 40% — reasonable confidence, supported by form averaging 2.1 goals per game.
On the BTTS market, Poisson puts 47% on No. Form rates are neutral: Cheltenham 60% | Portsmouth 40%.
The outsider holds a 35% win probability per the model — this is not a banker and should not be treated as one. Proportionate stakes are appropriate given the genuine contest the data projects.
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💡 Key Insights
🏟️ Match Context
• Fixture: Cheltenham vs Portsmouth | Competition: League One, Regular Season - 42 | Venue: Jonny-Rocks Stadium • Kick-off: Saturday 9 Apr 2022, 15:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Cheltenham 35% | Draw 30% | Portsmouth 35% • Poisson goal markets: Over 2.5 40% | BTTS 47% | xG Cheltenham 1.14 / Portsmouth 1.14 • Poisson strength factors: Cheltenham attack 1.055 / def 1.183 | Portsmouth attack 0.823 / def 0.974 | league avg home 1.111 / away 1.174 • Poisson stance: Draw (30%) — low confidence — close contest
🧮 Prediction Model
1.14
Cheltenham xG
Expected Goals
1.14
Portsmouth xG
47%
BTTS
68%
Over 1.5
40%
Over 2.5
20%
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 Cheltenham vs Portsmouth kick off?
Cheltenham vs Portsmouth kicked off at 15:00 on Saturday 9 April 2022 at Jonny-Rocks Stadium.
What was the final score in Cheltenham vs Portsmouth?
Cheltenham 1 - 0 Portsmouth.
Where is Cheltenham vs Portsmouth being played?
The match is being played at Jonny-Rocks Stadium.
What competition is Cheltenham vs Portsmouth part of?
Cheltenham vs Portsmouth is a Regular Season - 42 fixture in the League One (England).
Who is favourite to win Cheltenham vs Portsmouth?
Our statistical model gives Cheltenham a 35% chance of winning, Portsmouth a 35% chance, and a 30% chance of a draw, making this a very evenly-matched fixture.
Will both teams score in Cheltenham vs Portsmouth?
Our model estimates a 47% probability that both Cheltenham and Portsmouth will score (BTTS).
Will Cheltenham vs Portsmouth have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 40%.
What is the head-to-head record between Cheltenham and Portsmouth?
Record (1 meetings): Cheltenham 0W | Draws 1 | Portsmouth 0W.
What form are Cheltenham and Portsmouth in?
Cheltenham (all comps): 3W-3D-4L in 10 | 1.20 PPG | GF 2.20 / GA 2.20 | L5 W-W-L-L-D. Portsmouth (all comps): 5W-4D-1L in 10 | 1.90 PPG | GF 2.00 / GA 0.90 | L5 W-D-L-D-D.
🧮 Model Insight
How the Model Works This Match
The model rates Cheltenham's attack at 1.05x the league average against Portsmouth's defence at 0.97x — combine the two and it projects 1.14 expected goals for the hosts. The same calculation in reverse, Portsmouth's attack versus Cheltenham's defence, projects 1.14 expected goals for the visitors.
These ratings are built from 41/39 games of current-season data — a full enough sample to trust.
Scoreline Breakdown
Of every possible scoreline, 1-1 carries the highest individual probability at 15.0% — still a long way from a near-certainty, which says something about how open this one is on paper. Close behind: 0-0 (11.9%), 0-1 (9.9%). Those top three scorelines alone account for 37% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Portsmouth Win
35%
2.88
30%
3.28
35%
2.87
Top 3 Most Likely Scorelines
1 – 1
13.3%
Draw
Most likely
0 – 1
11.6%
Away win
1 – 0
11.6%
Home win
Expected Goals & Win Odds
1.14
Cheltenham xG
Total xG
2.28
1.14
Portsmouth xG
2.88
35%
Home win
3.28
30%
Draw
2.87
35%
Away win
Goals Markets
67%
Over 1.5
1.49
33%
Under 1.5
3.03
40%
Over 2.5
2.50
60%
Under 2.5
1.67
20%
Over 3.5
5.00
80%
Under 3.5
1.25
8%
Over 4.5
12.50
92%
Under 4.5
1.09
Match Markets
Both Teams to Score
47%
BTTS Yes
2.11
53%
BTTS No
1.90
Clean Sheet
32%
3.14
32%
3.13
Win to Nil
11%
9.04
11%
8.99
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 10.2 | 11.6 | 6.7 | 2.5 | 0.7 | 0.2 |
| 1 | 11.6 | 13.3 | 7.6 | 2.9 | 0.8 | 0.2 |
| 2 | 6.6 | 7.6 | 4.3 | 1.7 | 0.5 | 0.1 |
| 3 | 2.5 | 2.9 | 1.6 | 0.6 | 0.2 | – |
| 4 | 0.7 | 0.8 | 0.5 | 0.2 | 0.1 | – |
| 5 | 0.2 | 0.2 | 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 Cheltenham vs Portsmouth?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 15.0%.
How many goals are Cheltenham and Portsmouth expected to score?
The model projects 1.14 expected goals for Cheltenham and 1.14 for Portsmouth, a combined total of 2.28.
How confident is the prediction model for Cheltenham vs Portsmouth?
Not very — the model's leading outcome sits at just 35%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Cheltenham come into this having played 39 games, going 12W 14D 13L for 1.28 points per game. Their last five reads W-W-L-L-D.
On the other side, Portsmouth sit at 1.54 PPG from 39 outings (16W 12D 11L), a run that reads W-D-L-D-D across their last five.
Form-wise this is close to level: Cheltenham on 1.28 PPG, Portsmouth on 1.54. Other factors will likely decide this one more than recent results.
Venue Form
Cheltenham's home form reads 9W 6D 4L across 19 games on their own ground, a 1.74 PPG return. That's noticeably better than their 1.28 PPG overall — Cheltenham are a different proposition at home than their general record suggests.
Away from home, Portsmouth have taken 1.16 points per game from 19 outings (5W 7D 7L).
Comparing the two in their relevant venue splits, Cheltenham come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
Goals in Recent Form
Cheltenham are averaging 1.49 goals scored and 1.72 conceded per game recently; Portsmouth are on 1.38 scored and 1.03 conceded.
On BTTS specifically: Cheltenham have seen both teams score in 64% of their recent games.
Defensively: Portsmouth in 44% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 39 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Cheltenham
Current Season
Portsmouth
Current Season
❓ Frequently Asked Questions
What form are Cheltenham and Portsmouth in coming into this match?
Cheltenham have gone 12W 14D 13L in their last 39 games (1.28 PPG), while Portsmouth have gone 16W 12D 11L in their last 39 (1.54 PPG).
Which team has the better venue record — Cheltenham at home or Portsmouth away?
Cheltenham's home record (1.74 PPG) is the stronger of the two venue-specific splits — Cheltenham at home: 1.74 PPG; Portsmouth away: 1.16 PPG.
Have Cheltenham or Portsmouth been keeping clean sheets recently?
Cheltenham have kept a clean sheet in 18% of their recent games, Portsmouth in 44%.
⚔️ Rivalry Insight
Fixture History
6 meetings separate these sides on the data we hold, the series stretching back to November 2021. Every recorded meeting has come in League One. It has been a while since the last meeting — 6 January 2024, some 2 years back — so squads and form on both sides may look very different now.
Streaks & Records
The biggest gap between the sides came on 25 Feb 2023, when Portsmouth won 4-0 — the largest margin of victory on record between these two.
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
❓ Frequently Asked Questions
What is the head-to-head record between Cheltenham and Portsmouth?
From 6 meetings on record, Cheltenham have won 2, Portsmouth have won 2, and 2 have been drawn.
When did Cheltenham and Portsmouth last play each other?
They last met on 6 January 2024, when Cheltenham 2-1 Portsmouth.
📈 Trading Insight
First-Half Patterns
Cheltenham are typically involved in an early goal — the half-time board shows at least one in 79% of their matches. They've gone in front at half-time 37% of the time, though they've let that lead slip 26% of the time they've held it — worth watching if they're only ahead by one. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 16% of those situations.
Portsmouth see a goal before the break in 47% of their matches.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Cheltenham 58%, Portsmouth 42% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 53% (Cheltenham) and 42% (Portsmouth).
On the defensive side: Portsmouth in 37%; Portsmouth in 42%.
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.
❓ Frequently Asked Questions
Do both teams usually score when Cheltenham play Portsmouth?
Not especially — both teams scoring has occurred in only 58% of Cheltenham's recent matches and 42% of Portsmouth's, a rate that leans toward BTTS No.
Is Cheltenham vs Portsmouth usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 53% of Cheltenham's recent games and 42% of Portsmouth's, pointing to a tighter contest.
Do Cheltenham and Portsmouth tend to score early?
Cheltenham have had a goal before half-time in 79% of their recent matches, Portsmouth in 47% — a useful reference point for first-half goal markets.
Shock result as Cheltenham defy the odds to beat Portsmouth 1-0.
📝 Match Report
How It Unfolded
Cheltenham beat Portsmouth 1-0 at Jonny-Rocks Stadium, Regular Season - 42, in the League One. With the result on the board, the sections below measure it against everything the model and the numbers projected in advance.
The Model vs The Result
The Poisson model went into this projecting Cheltenham 1.14 xG and Portsmouth 1.14 xG, a combined 2.28. The scoreboard read 1-0 for 1 actual goal. Portsmouth landed 1.1 under their projected return. Those figures were built on strength ratings of Cheltenham attack 1.05 / defence 1.18 against Portsmouth attack 0.82 / defence 0.97, drawn from 41/39 games (CurrentSeason).
On the result, the model split it Cheltenham 35% | Draw 30% | Portsmouth 35%, with Cheltenham to win its most likely call at 35%. That is exactly how it finished — the model's leading outcome was vindicated.
Goals & Markets
The model rated Over 2.5 goals at 40%. The game delivered 1, so it stayed under — a call the model got right. Over 1.5 had been 68% and missed. On both teams to score, the model sat at 47% and the match did not — another call in the model's favour. Historically the two sides average 54% Over 2.5 across their same-competition games (Cheltenham 56%, Portsmouth 51%), a base rate that pointed the other way from today's under. Their combined BTTS history runs at 54%, which did not match the one-sided outcome.
Trading Patterns vs Reality
Cheltenham's trading profile (39 games, 19 home) set some clear expectations: BTTS lands in 64% of their matches — today it did not.
Portsmouth's trading profile (39 games, 19 away) set some clear expectations: BTTS lands in 44% of their matches — today it did not; they keep a clean sheet 44% of the time, and conceded here; they fail to score in 28% of games, a blank that repeated today.
Form vs Result
The form lines were close — Cheltenham 1.28 PPG, Portsmouth 1.54 PPG — offering no strong steer, and the Cheltenham win broke the near-deadlock. Cheltenham (home/away splits) conceded 0 against a 1.21 average — tighter than their form line. Portsmouth (home/away splits) managed 0 against a 1.00 scoring average — below par going forward.
Verdict
Grading the result against the stored data, 3 of 3 pre-match signals came in: result (hit), Over 2.5 (hit), BTTS (hit). The numbers read this fixture well — the outcome largely followed the script the data laid out beforehand.
💡 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.