Portsmouth 1-1 Cheltenham – Result & Analysis
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Poisson model rates Portsmouth at 55%, yet other data sources diverge — this Portsmouth vs Cheltenham fixture contains genuine analytical tension.
✍️ Match Preview
Fixture Analysis
It is a League One clash, Regular Season - 12 as Portsmouth welcome Cheltenham to Fratton Park. Kick-off is set for Tuesday 2 November 2021 at 19:45 UTC.
Form Analysis
Looking at all fixtures this season, Portsmouth stand at 2W 3D 5L from 10 League One matches — 0.90 PPG. Last five: W L L D W. They are averaging 1.40 goals per game and conceding 1.90 — a modest attacking output that tempers optimism on the Over 2.5 market. 2 clean sheets from 10 outings provides some defensive foundation. Both teams have scored in 60% of their games — a high BTTS rate that carries real weight in the goals markets. This season is still relatively young for Portsmouth, so this record blends games from this season and last.
At home at Fratton Park, Portsmouth have gone 4W 1D 2L this season (7 games, 1.86 PPG). At home they are averaging 1.57 goals scored and 1.14 conceded per game. 4 clean sheets from 7 home games (57%) — they are an exceptionally hard side to score against at Fratton Park. At home, both teams have scored in only 29% of games — reinforcing BTTS No as the home-venue-backed angle. Their home PPG of 1.86 is noticeably stronger than their overall 0.90 — Portsmouth are significantly better at Fratton Park than their overall form suggests.
Cheltenham — All Games: 4W 2D 4L from 10 League One fixtures this season — 1.40 PPG. Last five: L W W L D. Their scoring rate of 1.20 per game is modest, conceding 1.70 — not a side to back heavily on the Over 2.5 from their form alone. 2 clean sheets from 10 outings suggests some defensive organisation. This season is still relatively young for Cheltenham, so this record blends games from this season and last.
Cheltenham's away record: 1W 2D 4L from 7 road trips in League One this season (0.71 PPG). Away from home they average 1.14 goals scored and 2.29 conceded per game. Both teams have scored in 71% of their away matches — a high BTTS rate on the road that directly informs this fixture. Their away PPG of 0.71 is notably below their overall 1.40 — form away from home has been a clear weakness this season.
The form figures are too closely matched to derive a directional pick: Portsmouth 0.90 PPG, Cheltenham 1.40 PPG. Look to other data sets to build the analysis.
Trading Patterns
Portsmouth in-play and half-time data (15 games, 7 at home): they score before half-time in 71% of fixtures in home games; when goalless at HT, a second-half goal follows 83% of the time; BTTS occurs in 29% of their matches (home games); Over 2.5 goals lands in 57% of games (home games); Over 3.5 in 40%; they keep a clean sheet 40% of the time.
Cheltenham in-play and half-time data (15 games, 7 at away): they score before half-time in 100% of fixtures in away games; when goalless at HT, a second-half goal follows 100% of the time; BTTS occurs in 71% of their matches (away games); Over 2.5 goals lands in 57% of games (away games); Over 3.5 in 40%.
BTTS rates are mixed from the trading data — Portsmouth 40% versus Cheltenham 67%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Portsmouth 53% | Cheltenham 53%).
Poisson Model
The Poisson distribution model projects Portsmouth 1.90 xG and Cheltenham 1.16 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: Portsmouth attack 0.969 / defence 1.116 | Cheltenham attack 0.772 / defence 1.659. League average goals — home 1.181 / away 1.346. Cheltenham bring a strong defensive rating of 1.659 — this is suppressing Portsmouth's projected output below what their attack strength alone would suggest. Data: 15 Portsmouth games / 15 Cheltenham games used (CurrentSeason).
Result probabilities: Portsmouth 55% | Draw 22% | Cheltenham 23%. Fair-value odds: Portsmouth 1.82 | Draw 4.55 | Cheltenham 4.35. The model has a clear lean to Portsmouth (55%) — a 32pp gap over the next-most-likely outcome reflects a meaningful statistical advantage.
Goals markets: Over 2.5 probability 59% | BTTS probability 58% | Total xG 3.06. Over 2.5 holds a meaningful probability edge at 59% — the 3.06 total xG provides moderate support, though the model is not projecting a high-scoring game. BTTS probability of 58% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Summary & Verdict
The Poisson model's primary lean is Portsmouth at 55% — clear model lean. Draw No Bet is worth pricing alongside the outright: 22% draw probability makes the stalemate a live outcome even at this conviction level.
The Poisson model projects 3.06 xG in total — Over 2.5 at 59% — reasonable confidence, supported by form averaging 3.1 goals per game.
On the BTTS market, Poisson puts 58% on Yes. Form rates are neutral: Portsmouth 29% | Cheltenham 71%.
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💡 Key Insights
🏟️ Match Context
• Fixture: Portsmouth vs Cheltenham | Competition: League One, Regular Season - 12 | Venue: Fratton Park • Kick-off: Tuesday 2 Nov 2021, 19:45 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Portsmouth 55% | Draw 22% | Cheltenham 23% • Poisson goal markets: Over 2.5 59% | BTTS 58% | xG Portsmouth 1.90 / Cheltenham 1.16 • Poisson strength factors: Portsmouth attack 0.969 / def 1.116 | Cheltenham attack 0.772 / def 1.659 | league avg home 1.181 / away 1.346 • Poisson stance: Portsmouth (55%) — strong lean
🧮 Prediction Model
1.90
Portsmouth xG
Expected Goals
1.16
Cheltenham xG
58%
BTTS
81%
Over 1.5
59%
Over 2.5
37%
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 Portsmouth vs Cheltenham kick off?
Portsmouth vs Cheltenham kicked off at 19:45 on Tuesday 2 November 2021 at Fratton Park.
What was the final score in Portsmouth vs Cheltenham?
Portsmouth 1 - 1 Cheltenham.
Where is Portsmouth vs Cheltenham being played?
The match is being played at Fratton Park.
What competition is Portsmouth vs Cheltenham part of?
Portsmouth vs Cheltenham is a Regular Season - 12 fixture in the League One (England).
Who is favourite to win Portsmouth vs Cheltenham?
Our statistical model gives Portsmouth a 55% chance of winning, Cheltenham a 23% chance, and a 22% chance of a draw — making Portsmouth the favourite.
Will both teams score in Portsmouth vs Cheltenham?
Our model estimates a 58% probability that both Portsmouth and Cheltenham will score (BTTS).
Will Portsmouth vs Cheltenham have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 59%.
What is the head-to-head record between Portsmouth and Cheltenham?
No recorded head-to-head meetings available in the dataset.
What form are Portsmouth and Cheltenham in?
Portsmouth (all comps): 2W-3D-5L in 10 | 0.90 PPG | GF 1.40 / GA 1.90 | L5 W-L-L-D-W. Cheltenham (all comps): 4W-2D-4L in 10 | 1.40 PPG | GF 1.20 / GA 1.70 | L5 L-W-W-L-D.
🧮 Model Insight
Model Mechanics
The model rates Portsmouth's attack at 0.97x the league average against Cheltenham's defence at 1.66x — combine the two and it projects 1.90 expected goals for the hosts. The same calculation in reverse, Cheltenham's attack versus Portsmouth's defence, projects 1.16 expected goals for the visitors.
These ratings are built from 15/15 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 11.7% — still a long way from a near-certainty, which says something about how open this one is on paper. Close behind: 2-1 (9.8%), 2-0 (8.5%). Together the top three scorelines make up 30% of the probability — a moderately spread distribution, typical of a competitive match-up.
Most Likely Outcome
Portsmouth Win
55%
1.83
22%
4.48
23%
4.34
Top 3 Most Likely Scorelines
1 – 1
10.3%
Draw
Most likely
2 – 1
9.8%
Home win
1 – 0
8.9%
Home win
Expected Goals & Win Odds
1.90
Portsmouth xG
Total xG
3.06
1.16
Cheltenham xG
1.83
55%
Home win
4.48
22%
Draw
4.34
23%
Away win
Goals Markets
81%
Over 1.5
1.23
19%
Under 1.5
5.26
59%
Over 2.5
1.69
41%
Under 2.5
2.44
37%
Over 3.5
2.70
63%
Under 3.5
1.59
19%
Over 4.5
5.26
81%
Under 4.5
1.23
Match Markets
Both Teams to Score
58%
BTTS Yes
1.71
42%
BTTS No
2.40
Clean Sheet
31%
3.19
15%
6.69
Win to Nil
17%
5.83
3%
29.03
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 4.7 | 5.4 | 3.2 | 1.2 | 0.4 | 0.1 |
| 1 | 8.9 | 10.3 | 6.0 | 2.3 | 0.7 | 0.2 |
| 2 | 8.5 | 9.8 | 5.7 | 2.2 | 0.6 | 0.1 |
| 3 | 5.4 | 6.2 | 3.6 | 1.4 | 0.4 | 0.1 |
| 4 | 2.5 | 3.0 | 1.7 | 0.7 | 0.2 | – |
| 5 | 1.0 | 1.1 | 0.7 | 0.3 | 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 Portsmouth vs Cheltenham?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 11.7%.
How many goals are Portsmouth and Cheltenham expected to score?
The model projects 1.90 expected goals for Portsmouth and 1.16 for Cheltenham, a combined total of 3.06.
How confident is the prediction model for Portsmouth vs Cheltenham?
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
Across their last 15 outings, Portsmouth have picked up 1.27 PPG on a 5W 4D 6L record — W-L-L-D-W across the most recent five. The sample for Portsmouth is still a mix of this season and last, given how young the current campaign is.
Cheltenham's form line: 5W 4D 6L from 15 games, 1.27 PPG, last five L-W-W-L-D. The sample for Cheltenham is still a mix of this season and last, given how young the current campaign is.
Form-wise this is close to level: Portsmouth on 1.27 PPG, Cheltenham on 1.27. Other factors will likely decide this one more than recent results.
Home Ground vs the Road
On home soil, Portsmouth have posted 1.86 PPG from 7 outings (4W 1D 2L). That's noticeably better than their 1.27 PPG overall — Portsmouth are a different proposition at home than their general record suggests.
On the road, Cheltenham have gone 1W 2D 4L from 7 away games — 0.71 PPG when travelling. That's a step down from their 1.27 PPG overall record — away form has been the weaker part of Cheltenham's season.
Comparing the two in their relevant venue splits, Portsmouth 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
Portsmouth are averaging 1.20 goals scored and 1.33 conceded per game recently; Cheltenham are on 1.27 scored and 1.73 conceded.
On BTTS specifically: Cheltenham in 67%.
Defensively: Portsmouth have kept a clean sheet in 40% of their games — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 15 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Portsmouth
Blended
Cheltenham
Blended
❓ Frequently Asked Questions
What form are Portsmouth and Cheltenham in coming into this match?
Portsmouth have gone 5W 4D 6L in their last 15 games (1.27 PPG), while Cheltenham have gone 5W 4D 6L in their last 15 (1.27 PPG).
Which team has the better venue record — Portsmouth at home or Cheltenham away?
Portsmouth's home record (1.86 PPG) is the stronger of the two venue-specific splits — Portsmouth at home: 1.86 PPG; Cheltenham away: 0.71 PPG.
Have Portsmouth or Cheltenham been keeping clean sheets recently?
Portsmouth have kept a clean sheet in 40% of their recent games, Cheltenham in 13%.
⚔️ Rivalry Insight
A Look Back
The fixture history between Portsmouth and Cheltenham runs to 6 recorded meetings, the earliest dating 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.
Digging Into the Numbers
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.
Portsmouth's record when hosting Cheltenham specifically: 1W 2D 0L from 3 games — a narrower, venue-specific slice of the head-to-head picture.
Last 6 Meetings
2
Portsmouth
2
Draws
2
Cheltenham
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Portsmouth and Cheltenham?
From 6 meetings on record, Portsmouth have won 2, Cheltenham have won 2, and 2 have been drawn.
When did Portsmouth and Cheltenham last play each other?
They last met on 6 January 2024, when Cheltenham 2-1 Portsmouth.
📈 Trading Insight
Half-Time Trends
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 43% of the time.
Cheltenham are typically involved in an early goal — the half-time board shows at least one in 100% of their matches. They've gone in front at half-time 29% of the time.
The Numbers That Matter
BTTS sits in mixed territory for this pairing — Portsmouth 29%, Cheltenham 71% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 57% (Portsmouth) and 57% (Cheltenham). Stepping up a level, Over 3.5 has also landed reasonably often — 43% and 43% respectively — worth a look for goal-hungry markets.
On the defensive side: Portsmouth keep a clean sheet in 57% of their matches; Cheltenham in 29%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Portsmouth home games / Cheltenham away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Portsmouth play Cheltenham?
Not especially — both teams scoring has occurred in only 29% of Portsmouth's recent matches and 71% of Cheltenham's, a rate that leans toward BTTS No.
Is Portsmouth vs Cheltenham usually a high-scoring fixture?
Recent trends suggest it could be — Over 2.5 goals has landed in 57% of Portsmouth's matches and 57% of Cheltenham's.
Do Portsmouth and Cheltenham tend to score early?
Portsmouth have had a goal before half-time in 71% of their recent matches, Cheltenham in 100% — a useful reference point for first-half goal markets.
Portsmouth and Cheltenham share the spoils in a 1-1 draw.
📝 Match Report
How It Unfolded
The points were shared at Fratton Park, Regular Season - 12, as Portsmouth and Cheltenham drew 1-1 in the League One. 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 Portsmouth 1.90 xG and Cheltenham 1.16 xG, a combined 3.06. The scoreboard read 1-1 for 2 actual goals. Portsmouth fell 0.9 short of their projected output. Those figures were built on strength ratings of Portsmouth attack 0.97 / defence 1.12 against Cheltenham attack 0.77 / defence 1.66, drawn from 15/15 games (CurrentSeason).
On the result, the model split it Portsmouth 55% | Draw 22% | Cheltenham 23%, with Portsmouth to win its most likely call at 55%. Instead the game produced a draw, an outcome the model had rated at just 22% — a clear break from expectation and a genuine upset by the numbers.
Goals & Markets
The model rated Over 2.5 goals at 59%. The game delivered 2, so it stayed under — against the model's lean. Over 1.5 had been 81% and landed. On both teams to score, the model sat at 58% and the match saw both sides score — another call in the model's favour. Historically the two sides average 53% Over 2.5 across their same-competition games (Portsmouth 53%, Cheltenham 53%), a base rate that pointed the other way from today's under. Their combined BTTS history runs at 53%, which matched the both-scored outcome.
Trading Patterns vs Reality
Portsmouth's trading profile (15 games, 7 home) set some clear expectations: BTTS lands in 40% of their matches — today it did; they keep a clean sheet 40% of the time, and conceded here.
Cheltenham's trading profile (15 games, 7 away) set some clear expectations: BTTS lands in 67% of their matches — today it did.
Form vs Result
The form lines were close — Portsmouth 1.27 PPG, Cheltenham 1.27 PPG — offering no strong steer, and the draw fit that even billing. Cheltenham (home/away splits) conceded 1 against a 2.29 average — tighter than their form line.
Verdict
Grading the result against the stored data, 1 of 3 pre-match signals came in: result (miss), Over 2.5 (miss), BTTS (hit). 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.