Chaves 1-1 Rio Ave – Result & Analysis
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Poisson rates Chaves at 40% — current form provides partial corroboration, though signals are mixed in this Chaves vs Rio Ave encounter.
✍️ Match Preview
Analysis & Preview
A Primeira Liga encounter, Regular Season - 5 sees Rio Ave travel to Estádio Municipal Eng. Manuel Branco Teixeira to take on Chaves. The game is scheduled for Monday 5 September 2022, 21:15 UTC.
Form Guide
Chaves — All Games: 3W 1D 2L from 6 Primeira Liga outings this season, averaging 1.67 points per game. Last five: L L W D W. They are averaging 1.17 goals per game and conceding 0.67 — a modest attacking output that tempers optimism on the Over 2.5 market. Defensively, conceding just 0.67 per game is an exceptional defensive record — one of the tightest in the division. 2 clean sheets from 6 outings provides some defensive foundation. Both teams have scored in just 33% of their matches, indicating a tendency toward clean sheets or low-scoring outcomes. Chaves have played only a handful of Primeira Liga games so far this season, so this record also draws on matches from last season.
Chaves's home record at Estádio Municipal Eng. Manuel Branco Teixeira: 1W 1D 1L from 3 Primeira Liga appearances (1.33 PPG). At home they are averaging 1.00 goals scored and 0.67 conceded per game.
Looking at all fixtures this season, Rio Ave stand at 1W 1D 2L from 4 Primeira Liga matches — 1.00 PPG. Last five: L L D W. Their scoring rate of 1.25 per game is modest, conceding 1.75 — not a side to back heavily on the Over 2.5 from their form alone. Rio Ave have played only a handful of Primeira Liga games so far this season, so this record also draws on matches from last season.
Chaves are in the better shape of the two on current Primeira Liga data — 0.67 PPG ahead (1.67 vs 1.00). That form margin is the baseline of a sensible selection even before other signals are layered in.
In-Play Profile
Chaves in-play tendencies (4 games): they score before half-time in 75% of fixtures; when trailing at the break they recover to draw or win in 25% of cases; BTTS occurs in 50% of their matches; Over 2.5 goals lands in 25% of games.
Rio Ave in-play tendencies (4 games): they score before half-time in 75% of fixtures; when trailing at the break they recover to draw or win in 25% of cases; BTTS occurs in 50% of their matches; Over 2.5 goals lands in 75% of games; Over 3.5 in 50%; they fail to score in 50% of games.
BTTS rates are mixed from the trading data — Chaves 50% versus Rio Ave 50%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Chaves 25% | Rio Ave 75%).
Poisson Model
The Poisson distribution model projects Chaves 1.26 xG and Rio Ave 1.10 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: Chaves attack 0.739 / defence 1.103 | Rio Ave attack 0.863 / defence 1.378. League average goals — home 1.235 / away 1.155. Chaves's attack strength of 0.739 is below the league average — the 1.26 xG projection reflects a team that scores at a discount to the division norm. Rio Ave bring a strong defensive rating of 1.378 — this is suppressing Chaves's projected output below what their attack strength alone would suggest. Data: 4 Chaves games / 4 Rio Ave games used (CurrentSeason).
Result probabilities: Chaves 40% | Draw 28% | Rio Ave 32%. Fair-value odds: Chaves 2.50 | Draw 3.57 | Rio Ave 3.12. This is a low-confidence result — no outcome exceeds 45%. The draw at 28% is a primary outcome, not an afterthought.
Goals markets: Over 2.5 probability 42% | BTTS probability 48% | Total xG 2.36. Under 2.5 has a narrow probability edge at 58% — total xG of 2.36 is below the line but not decisively so. BTTS probability of 48% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Analysis Verdict
On the Poisson output, Chaves are the pick at 40% — marginal model lean. Current-season form corroborates the Poisson lean — partial multi-source support. With a 28% draw probability, Draw No Bet on Chaves offers a more defensible entry point than the straight win. The opposing side holds a 32% win probability per the model — this is not a banker and should be staked accordingly.
On the goals line, Poisson's 2.36 combined xG gives a 42% probability to Under 2.5 — Poisson-only — limited corroboration.
Poisson assigns a 48% probability to BTTS No based on the attack/defence strength model. Form rates corroborate: Chaves 33% | Rio Ave 50% BTTS from recent games.
The outsider holds a 32% 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: Chaves vs Rio Ave | Competition: Primeira Liga, Regular Season - 5 | Venue: Estádio Municipal Eng. Manuel Branco Teixeira • Kick-off: Monday 5 Sep 2022, 21:15 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Chaves 40% | Draw 28% | Rio Ave 32% • Poisson goal markets: Over 2.5 42% | BTTS 48% | xG Chaves 1.26 / Rio Ave 1.10 • Poisson strength factors: Chaves attack 0.739 / def 1.103 | Rio Ave attack 0.863 / def 1.378 | league avg home 1.235 / away 1.155 • Poisson stance: Chaves (40%) — low confidence — close contest
🧮 Prediction Model
1.26
Chaves xG
Expected Goals
1.10
Rio Ave xG
48%
BTTS
68%
Over 1.5
42%
Over 2.5
21%
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 Chaves vs Rio Ave kick off?
Chaves vs Rio Ave kicked off at 21:15 on Monday 5 September 2022 at Estádio Municipal Eng. Manuel Branco Teixeira.
What was the final score in Chaves vs Rio Ave?
Chaves 1 - 1 Rio Ave.
Where is Chaves vs Rio Ave being played?
The match is being played at Estádio Municipal Eng. Manuel Branco Teixeira.
What competition is Chaves vs Rio Ave part of?
Chaves vs Rio Ave is a Regular Season - 5 fixture in the Primeira Liga (Portugal).
Who is favourite to win Chaves vs Rio Ave?
Our statistical model gives Chaves a 40% chance of winning, Rio Ave a 32% chance, and a 28% chance of a draw — making Chaves the favourite.
Will both teams score in Chaves vs Rio Ave?
Our model estimates a 48% probability that both Chaves and Rio Ave will score (BTTS).
Will Chaves vs Rio Ave have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 42%.
What is the head-to-head record between Chaves and Rio Ave?
No recorded head-to-head meetings available in the dataset.
What form are Chaves and Rio Ave in?
Chaves (all comps): 3W-1D-2L in 6 | 1.67 PPG | GF 1.17 / GA 0.67 | L5 L-L-W-D-W. Rio Ave (all comps): 1W-1D-2L in 4 | 1.00 PPG | GF 1.25 / GA 1.75 | L5 L-L-D-W.
🧮 Model Insight
How the Model Works This Match
Chaves's attacking strength (0.74x league average) is weighed against Rio Ave's defensive record (1.38x) to produce a home expected-goals figure of 1.26. The same calculation in reverse, Rio Ave's attack versus Chaves's defence, projects 1.10 expected goals for the visitors.
These ratings are built from 4/4 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 14.8%. Close behind: 0-0 (11.2%), 1-0 (10.2%). 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
Chaves Win
40%
2.50
28%
3.59
32%
3.11
Top 3 Most Likely Scorelines
1 – 1
13.1%
Draw
Most likely
1 – 0
11.9%
Home win
0 – 1
10.4%
Away win
Expected Goals & Win Odds
1.26
Chaves xG
Total xG
2.36
1.10
Rio Ave xG
2.50
40%
Home win
3.59
28%
Draw
3.11
32%
Away win
Goals Markets
68%
Over 1.5
1.47
32%
Under 1.5
3.12
42%
Over 2.5
2.38
58%
Under 2.5
1.72
21%
Over 3.5
4.76
79%
Under 3.5
1.27
9%
Over 4.5
11.11
91%
Under 4.5
1.10
Match Markets
Both Teams to Score
48%
BTTS Yes
2.09
52%
BTTS No
1.91
Clean Sheet
33%
3.00
28%
3.52
Win to Nil
13%
7.51
9%
10.93
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 9.5 | 10.4 | 5.7 | 2.1 | 0.6 | 0.1 |
| 1 | 11.9 | 13.1 | 7.2 | 2.6 | 0.7 | 0.2 |
| 2 | 7.5 | 8.2 | 4.5 | 1.7 | 0.5 | 0.1 |
| 3 | 3.1 | 3.5 | 1.9 | 0.7 | 0.2 | – |
| 4 | 1.0 | 1.1 | 0.6 | 0.2 | 0.1 | – |
| 5 | 0.2 | 0.3 | 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 Chaves vs Rio Ave?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 14.8%.
How many goals are Chaves and Rio Ave expected to score?
The model projects 1.26 expected goals for Chaves and 1.10 for Rio Ave, a combined total of 2.36.
How confident is the prediction model for Chaves vs Rio Ave?
Not very — the model's leading outcome sits at just 40%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Chaves come into this having played 4 games, going 2W 1D 1L for 1.75 points per game. Their last five reads L-W-D-W. It's still early in the season for Chaves, so this record blends in a handful of games from last season too.
On the other side, Rio Ave sit at 1.00 PPG from 4 outings (1W 1D 2L), a run that reads L-L-D-W across their last five. It's still early in the season for Rio Ave, so this record blends in a handful of games from last season too.
Chaves carry the stronger recent form of the two, 0.75 PPG clear of Rio Ave — worth weighing alongside whatever the head-to-head and market data say.
Goals in Recent Form
Chaves are averaging 1.25 goals scored and 0.75 conceded per game recently; Rio Ave are on 1.25 scored and 1.75 conceded.
Last 4 Results — Primeira Liga
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Chaves
Early Season
Rio Ave
Early Season
❓ Frequently Asked Questions
What form are Chaves and Rio Ave in coming into this match?
Chaves have gone 2W 1D 1L in their last 4 games (1.75 PPG), while Rio Ave have gone 1W 1D 2L in their last 4 (1.00 PPG).
⚔️ Rivalry Insight
Fixture History
4 meetings separate these sides on the data we hold, the series stretching back to September 2022. Every recorded meeting has come in Primeira Liga. It has been a while since the last meeting — 21 January 2024, some 1 year back — so squads and form on both sides may look very different now.
Streaks & Records
Chaves's record when hosting Rio Ave specifically: 0W 2D 0L from 2 games — a narrower, venue-specific slice of the head-to-head picture.
Last 4 Meetings
0
Chaves
2
Draws
2
Rio Ave
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Chaves and Rio Ave?
From 4 meetings on record, Chaves have won 0, Rio Ave have won 2, and 2 have been drawn.
When did Chaves and Rio Ave last play each other?
They last met on 21 January 2024, when Chaves 0-0 Rio Ave.
Who has won more matches between Chaves and Rio Ave?
Rio Ave have the better head-to-head record, with 2 wins from 4 meetings.
📈 Trading Insight
First-Half Patterns
Chaves are typically involved in an early goal — the half-time board shows at least one in 75% of their matches. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 25% of those situations.
Rio Ave are typically involved in an early goal — the half-time board shows at least one in 75% of their matches. They've gone in front at half-time 25% of the time. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 25% of those situations.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Chaves 50%, Rio Ave 50% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 25% (Chaves) and 75% (Rio Ave).
On the defensive side: Rio Ave in 50%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Chaves home games / Rio Ave away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Chaves play Rio Ave?
Not especially — both teams scoring has occurred in only 50% of Chaves's recent matches and 50% of Rio Ave's, a rate that leans toward BTTS No.
Is Chaves vs Rio Ave usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 25% of Chaves's recent games and 75% of Rio Ave's, pointing to a tighter contest.
Do Chaves and Rio Ave tend to score early?
Chaves have had a goal before half-time in 75% of their recent matches, Rio Ave in 75% — a useful reference point for first-half goal markets.
Chaves and Rio Ave share the spoils in a 1-1 draw.
📝 Match Report
How It Unfolded
Chaves and Rio Ave finished level at 1-1 at Estádio Municipal Eng. Manuel Branco Teixeira, Regular Season - 5, in the Primeira Liga. 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 Chaves 1.26 xG and Rio Ave 1.10 xG, a combined 2.36. The scoreboard read 1-1 for 2 actual goals. Both sides finished within a goal of their individual projections, so the scoreline sat close to the model's expected shape. Those figures were built on strength ratings of Chaves attack 0.74 / defence 1.10 against Rio Ave attack 0.86 / defence 1.38, drawn from 4/4 games (CurrentSeason).
On the result, the model split it Chaves 40% | Draw 28% | Rio Ave 32%, with Chaves to win its most likely call at 40%. The actual draw had been the model's second-ranked read at 28%, so the result diverged from the top call without being a shock.
Goals & Markets
The model rated Over 2.5 goals at 42%. The game delivered 2, so it stayed under — the model's lean was correct. Over 1.5 had been 68% and landed. 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 50% Over 2.5 across their same-competition games (Chaves 25%, Rio Ave 75%), a base rate that pointed the other way from today's under. Their combined BTTS history runs at 50%, which matched the both-scored outcome.
Trading Patterns vs Reality
Chaves's trading profile (4 games) set some clear expectations: BTTS lands in 50% of their matches — today it did.
Rio Ave's trading profile (4 games) set some clear expectations: BTTS lands in 50% of their matches — today it did.
Form vs Result
On form, Chaves arrived the stronger side — 1.75 PPG against 1.00. The form guide was only half-right: the stronger side did not lose, but could not convert the edge into a win.
Verdict
Grading the result against the stored data, 1 of 4 pre-match signals came in: result (miss), Over 2.5 (hit), 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.