Accrington ST 2-2 Portsmouth – Result & Analysis
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Poisson rates Accrington ST at 49% — current form provides partial corroboration, though signals are mixed in this Accrington ST vs Portsmouth encounter.
✍️ Match Preview
Match Analysis
Accrington ST host Portsmouth at Wham Stadium in League One, Regular Season - 15. Kick-off is scheduled for Saturday 23 October 2021 at 15:00 UTC.
Form Guide
Accrington ST — All Games: 4W 1D 5L from 10 League One outings this season, averaging 1.30 points per game. Last five: D L W L W. They are averaging 1.30 goals per game and conceding 2.00 — a modest attacking output that tempers optimism on the Over 2.5 market. However, 2.00 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 60% of their games — a high BTTS rate that carries real weight in the goals markets. This season is still relatively young for Accrington ST, so this record blends games from this season and last.
In front of their own supporters this season, Accrington ST have posted 4W 0D 1L at Wham Stadium — 2.40 PPG. At home they are averaging 1.40 goals scored and 1.20 conceded per game. 2 home clean sheets from 5 games (40%) — a solid defensive base on their own ground. BTTS has landed in 60% of their home matches — a rate that supports the Yes angle in this fixture. Their home PPG of 2.40 is noticeably stronger than their overall 1.30 — Accrington ST are significantly better at Wham Stadium than their overall form suggests.
Looking at all fixtures this season, Portsmouth stand at 1W 3D 6L from 10 League One matches — 0.60 PPG. Last five: D L W L L. Their scoring rate of 1.10 per game is modest, conceding 1.80 — 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 Portsmouth, so this record blends games from this season and last.
When travelling in League One this season, Portsmouth have posted 1W 2D 4L from 7 away outings — 0.71 PPG. Away from home they average 0.71 goals scored and 1.43 conceded per game.
On current form, Accrington ST have the edge — a 0.70 PPG advantage (1.30 vs 0.60) represents a meaningful gap. That momentum makes them the form-based pick, though if the outright price looks short, Draw No Bet is worth comparing.
Trading Patterns
Accrington ST in-play and half-time data (13 games, 5 at home): they score before half-time in 100% of fixtures in home games; BTTS occurs in 60% of their matches (home games); Over 2.5 goals lands in 60% of games (home games).
Portsmouth in-play and half-time data (13 games, 5 at away): they score before half-time in 60% of fixtures in away games; when goalless at HT, a second-half goal follows 80% of the time; BTTS occurs in 60% of their matches (away games); Over 2.5 goals lands in 60% of games (away games); Over 3.5 in 38%; they fail to score in 31% of games.
BTTS rates are mixed from the trading data — Accrington ST 62% versus Portsmouth 38%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Accrington ST 62% | Portsmouth 54%).
Poisson Model
The Poisson distribution model projects Accrington ST 1.50 xG and Portsmouth 0.98 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: Accrington ST attack 0.972 / defence 1.137 | Portsmouth attack 0.654 / defence 1.347. League average goals — home 1.144 / away 1.322. Portsmouth bring a strong defensive rating of 1.347 — this is suppressing Accrington ST's projected output below what their attack strength alone would suggest. Data: 13 Accrington ST games / 13 Portsmouth games used (CurrentSeason).
Result probabilities: Accrington ST 49% | Draw 26% | Portsmouth 25%. Fair-value odds: Accrington ST 2.04 | Draw 3.85 | Portsmouth 4.00. Accrington ST hold a narrow Poisson edge at 49% — the draw (26%) is close enough to merit draw-inclusive market consideration.
Goals markets: Over 2.5 probability 45% | BTTS probability 49% | Total xG 2.48. Under 2.5 has a narrow probability edge at 55% — total xG of 2.48 is below the line but not decisively so. BTTS probability of 49% 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 Accrington ST at 49% — moderate model lean. Current-season form corroborates the Poisson lean — partial multi-source support. With a 26% draw probability, Draw No Bet on Accrington ST offers a more defensible entry point than the straight win.
The Poisson model projects 2.48 xG in total — Under 2.5 at 45% — Poisson-only — limited corroboration confidence.
On the BTTS market, Poisson puts 49% on No. Form rates are neutral: Accrington ST 60% | Portsmouth 43%.
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💡 Key Insights
🏟️ Match Context
• Fixture: Accrington ST vs Portsmouth | Competition: League One, Regular Season - 15 | Venue: Wham Stadium • Kick-off: Saturday 23 Oct 2021, 15:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Accrington ST 49% | Draw 26% | Portsmouth 25% • Poisson goal markets: Over 2.5 45% | BTTS 49% | xG Accrington ST 1.50 / Portsmouth 0.98 • Poisson strength factors: Accrington ST attack 0.972 / def 1.137 | Portsmouth attack 0.654 / def 1.347 | league avg home 1.144 / away 1.322 • Poisson stance: Accrington ST (49%) — moderate lean
🧮 Prediction Model
1.50
Accrington ST xG
Expected Goals
0.98
Portsmouth xG
49%
BTTS
71%
Over 1.5
45%
Over 2.5
24%
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 Accrington ST vs Portsmouth kick off?
Accrington ST vs Portsmouth kicked off at 15:00 on Saturday 23 October 2021 at Wham Stadium.
What was the final score in Accrington ST vs Portsmouth?
Accrington ST 2 - 2 Portsmouth.
Where is Accrington ST vs Portsmouth being played?
The match is being played at Wham Stadium.
What competition is Accrington ST vs Portsmouth part of?
Accrington ST vs Portsmouth is a Regular Season - 15 fixture in the League One (England).
Who is favourite to win Accrington ST vs Portsmouth?
Our statistical model gives Accrington ST a 49% chance of winning, Portsmouth a 25% chance, and a 26% chance of a draw — making Accrington ST the favourite.
Will both teams score in Accrington ST vs Portsmouth?
Our model estimates a 49% probability that both Accrington ST and Portsmouth will score (BTTS).
Will Accrington ST vs Portsmouth have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 45%.
What is the head-to-head record between Accrington ST and Portsmouth?
No recorded head-to-head meetings available in the dataset.
What form are Accrington ST and Portsmouth in?
Accrington ST (all comps): 4W-1D-5L in 10 | 1.30 PPG | GF 1.30 / GA 2.00 | L5 D-L-W-L-W. Portsmouth (all comps): 1W-3D-6L in 10 | 0.60 PPG | GF 1.10 / GA 1.80 | L5 D-L-W-L-L.
🧮 Model Insight
How the Model Works This Match
Working from Accrington ST's attack rating (0.97) and Portsmouth's defence rating (1.35), the model arrives at 1.50 expected goals for the home side. The same calculation in reverse, Portsmouth's attack versus Accrington ST's defence, projects 0.98 expected goals for the visitors.
These ratings are built from 13/13 games of current-season data — a full enough sample to trust.
The Exact-Score Picture
Run the expected-goals figures through the full scoreline distribution and 1-1 emerges as the single most likely result, at 13.9%. Close behind: 1-0 (10.9%), 0-0 (10.0%). Those top three scorelines alone account for 35% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Accrington ST Win
49%
2.03
26%
3.84
25%
4.03
Top 3 Most Likely Scorelines
1 – 0
12.5%
Home win
Most likely
1 – 1
12.3%
Draw
2 – 0
9.4%
Home win
Expected Goals & Win Odds
1.50
Accrington ST xG
Total xG
2.48
0.98
Portsmouth xG
2.03
49%
Home win
3.84
26%
Draw
4.03
25%
Away win
Goals Markets
71%
Over 1.5
1.41
29%
Under 1.5
3.45
45%
Over 2.5
2.22
55%
Under 2.5
1.82
24%
Over 3.5
4.17
76%
Under 3.5
1.32
11%
Over 4.5
9.09
89%
Under 4.5
1.12
Match Markets
Both Teams to Score
49%
BTTS Yes
2.06
51%
BTTS No
1.94
Clean Sheet
37%
2.67
22%
4.47
Win to Nil
18%
5.43
6%
18.04
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 8.4 | 8.2 | 4.0 | 1.3 | 0.3 | 0.1 |
| 1 | 12.5 | 12.3 | 6.0 | 2.0 | 0.5 | 0.1 |
| 2 | 9.4 | 9.2 | 4.5 | 1.5 | 0.4 | 0.1 |
| 3 | 4.7 | 4.6 | 2.3 | 0.7 | 0.2 | – |
| 4 | 1.8 | 1.7 | 0.8 | 0.3 | 0.1 | – |
| 5 | 0.5 | 0.5 | 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 Accrington ST vs Portsmouth?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 13.9%.
How many goals are Accrington ST and Portsmouth expected to score?
The model projects 1.50 expected goals for Accrington ST and 0.98 for Portsmouth, a combined total of 2.48.
How confident is the prediction model for Accrington ST vs Portsmouth?
Not very — the model's leading outcome sits at just 49%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Across their last 13 outings, Accrington ST have picked up 1.46 PPG on a 6W 1D 6L record — D-L-W-L-W across the most recent five. The sample for Accrington ST is still a mix of this season and last, given how young the current campaign is.
Portsmouth's form line: 4W 3D 6L from 13 games, 1.15 PPG, last five D-L-W-L-L. The sample for Portsmouth is still a mix of this season and last, given how young the current campaign is.
Form-wise this is close to level: Accrington ST on 1.46 PPG, Portsmouth on 1.15. Other factors will likely decide this one more than recent results.
Venue Form
On home soil, Accrington ST have posted 2.40 PPG from 5 outings (4W 0D 1L). That's noticeably better than their 1.46 PPG overall — Accrington ST are a different proposition at home than their general record suggests.
On the road, Portsmouth have gone 0W 1D 4L from 5 away games — 0.20 PPG when travelling. That's a step down from their 1.15 PPG overall record — away form has been the weaker part of Portsmouth's season.
Comparing the two in their relevant venue splits, Accrington ST 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
Accrington ST are averaging 1.31 goals scored and 1.77 conceded per game recently; Portsmouth are on 1.15 scored and 1.38 conceded.
On BTTS specifically: Accrington ST have seen both teams score in 62% of their recent games.
Defensively: Portsmouth in 38% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 13 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Accrington ST
Blended
Portsmouth
Blended
❓ Frequently Asked Questions
What form are Accrington ST and Portsmouth in coming into this match?
Accrington ST have gone 6W 1D 6L in their last 13 games (1.46 PPG), while Portsmouth have gone 4W 3D 6L in their last 13 (1.15 PPG).
Which team has the better venue record — Accrington ST at home or Portsmouth away?
Accrington ST's home record (2.40 PPG) is the stronger of the two venue-specific splits — Accrington ST at home: 2.40 PPG; Portsmouth away: 0.20 PPG.
Have Accrington ST or Portsmouth been keeping clean sheets recently?
Accrington ST have kept a clean sheet in 23% of their recent games, Portsmouth in 38%.
⚔️ Rivalry Insight
Fixture History
4 meetings separate these sides on the data we hold, the series stretching back to October 2021. Every recorded meeting has come in League One. It has been a while since the last meeting — 22 April 2023, some 1 year back — so squads and form on both sides may look very different now.
Streaks & Records
Portsmouth go into this on the back of 3 straight wins in the series — the current momentum sits squarely with them.
The biggest gap between the sides came on 5 Mar 2022, when Portsmouth won 4-0 — the largest margin of victory on record between these two.
Accrington ST's record when hosting Portsmouth specifically: 0W 1D 1L from 2 games — a narrower, venue-specific slice of the head-to-head picture.
Last 4 Meetings
0
Accrington ST
1
Draws
3
Portsmouth
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Accrington ST and Portsmouth?
From 4 meetings on record, Accrington ST have won 0, Portsmouth have won 3, and 1 have been drawn.
When did Accrington ST and Portsmouth last play each other?
They last met on 22 April 2023, when Portsmouth 1-0 Accrington ST.
Who has won more matches between Accrington ST and Portsmouth?
Portsmouth have the better head-to-head record, with 3 wins from 4 meetings.
📈 Trading Insight
First-Half Patterns
Accrington ST 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 60% of the time. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 20% of those situations.
Portsmouth are typically involved in an early goal — the half-time board shows at least one in 60% of their matches.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Accrington ST 60%, Portsmouth 60% — no strong lean either way from the trading data alone.
Goals have flowed in these teams' recent matches — Over 2.5 has landed at 60% for Accrington ST and 60% for Portsmouth. Stepping up a level, Over 3.5 has also landed reasonably often — 20% and 40% respectively — worth a look for goal-hungry markets.
On the defensive side: Accrington ST keep a clean sheet in 40% of their matches; Portsmouth in 40%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Accrington ST 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 Accrington ST play Portsmouth?
Yes — based on recent matches, both teams have scored in 60% of Accrington ST's games and 60% of Portsmouth's, a combined rate that favours BTTS Yes.
Is Accrington ST vs Portsmouth usually a high-scoring fixture?
Recent trends suggest it could be — Over 2.5 goals has landed in 60% of Accrington ST's matches and 60% of Portsmouth's.
Do Accrington ST and Portsmouth tend to score early?
Accrington ST have had a goal before half-time in 100% of their recent matches, Portsmouth in 60% — a useful reference point for first-half goal markets.
Accrington ST and Portsmouth share the spoils in a 2-2 draw.
📝 Match Report
How It Unfolded
The points were shared at Wham Stadium, Regular Season - 15, as Accrington ST and Portsmouth drew 2-2 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 Accrington ST 1.50 xG and Portsmouth 0.98 xG, a combined 2.48. The scoreboard read 2-2 for 4 actual goals. Portsmouth outscored their 0.98 projection by 1.0. Those figures were built on strength ratings of Accrington ST attack 0.97 / defence 1.14 against Portsmouth attack 0.65 / defence 1.35, drawn from 13/13 games (CurrentSeason).
On the result, the model split it Accrington ST 49% | Draw 26% | Portsmouth 25%, with Accrington ST to win its most likely call at 49%. The actual draw had been the model's second-ranked read at 26%, so the result diverged from the top call without being a shock.
Goals & Markets
The model rated Over 2.5 goals at 45%. The game delivered 4, so it went over — against the model's lean. Over 1.5 had been 71% and landed. Over 3.5 was 24% and came in. On both teams to score, the model sat at 49% and the match saw both sides score — a miss on BTTS. Historically the two sides average 58% Over 2.5 across their same-competition games (Accrington ST 62%, Portsmouth 54%), a base rate that agreed with today's over. Their combined BTTS history runs at 50%, which matched the both-scored outcome.
Trading Patterns vs Reality
Accrington ST's trading profile (13 games, 5 home) set some clear expectations: BTTS lands in 62% of their matches — today it did.
Portsmouth's trading profile (13 games, 5 away) set some clear expectations: BTTS lands in 38% of their matches — today it did; they keep a clean sheet 38% of the time, and conceded here.
Form vs Result
The form lines were close — Accrington ST 1.46 PPG, Portsmouth 1.15 PPG — offering no strong steer, and the draw fit that even billing. Accrington ST (home/away splits) shipped 2 against a 1.20 concession average — a leakier day than usual. Portsmouth (home/away splits) scored 2 against a 0.80 average — above their attacking norm.
Verdict
Grading the result against the stored data, 0 of 3 pre-match signals came in: result (miss), Over 2.5 (miss), BTTS (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.