Chaves 0-0 Rio Ave – Result & Analysis

Poisson model rates Chaves at 39% — neither recent form nor the head-to-head data gives a clear steer either way as Chaves face Rio Ave.

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Analysis & Preview

Rio Ave travel to Estádio Municipal Eng. Manuel Branco Teixeira to take on Chaves in Primeira Liga (matchday 18). The game is scheduled for Sunday 21 January 2024 at 18:00 UK time.

Form Guide

Chaves — last 10 games: 2W 1D 7L, averaging 0.70 points per game. Last five: L L L D L. They are averaging 1.00 goals per game and conceding 2.50 — a modest attacking output that tempers optimism on the Over 2.5 market. However, 2.50 goals conceded per game is a concern — opposing attacks have exploited them regularly.

Chaves's home record over their last 10 home games: 3W 1D 6L (1.00 PPG). At home they are averaging 1.50 goals scored and 2.30 conceded per game. Both teams have scored in 70% of their home games — an outstanding BTTS rate that is a key data point for this fixture.

Looking at their last 10 matches, Rio Ave stand at 2W 4D 4L — 1.00 PPG. Last five: D D L W L. Their scoring rate of 1.40 per game is modest, conceding 1.60 — not a side to back heavily on the Over 2.5 from their form alone. 2 clean sheets from 10 outings (20%). Both teams have scored in 70% of their games — a noteworthy BTTS rate that supports the Yes market.

When travelling, Rio Ave have posted 0W 4D 6L from their last 10 away outings — 0.40 PPG. Away from home they average 0.90 goals scored and 2.00 conceded per game. Both teams have scored in 70% of their away matches — a high BTTS rate on the road that directly informs this fixture. Their away PPG of 0.40 is notably below their overall 1.00 — form away from home has been a clear weakness recently.

The form figures are too closely matched to derive a directional pick: Chaves 0.70 PPG, Rio Ave 1.00 PPG. Look to other data sets to build the analysis.

Both teams have scored in at least 70% of each side's games (from Chaves's last 10 home games and Rio Ave's last 10 away games). At that combined rate, BTTS Yes is as well-evidenced as it gets — the data strongly backs two-way scoring.

H2H Record

There is little to separate the sides in our head-to-head data. From 3 H2H matches, Chaves have won 0, Rio Ave 2, with 1 draw — a balanced record that offers no clear steer on its own. With only 3 H2H matches to go on, treat this as a light input.

Goals have been at a premium in this fixture — just 1.7 per game across the 3 H2H matches we hold, giving Under 2.5 a clear head-to-head base rate. The most recent of those, on 13 Aug 2023, ended Chaves 0–2 Rio Ave — a Rio Ave win.

With a balanced win record and just 1.7 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

Chaves in-play tendencies (last 51 games, 25 of them at home): at least one goal arrives before half-time in 84% of their matches in home games; when goalless at HT, a second-half goal follows 80% of the time; two or more arrive in the second half on 53% of those occasions; of the 8 games they led at half-time, they failed to win 38%; of the 23 games they trailed at half-time, they recovered to draw or win 30%; BTTS occurs in 64% of their matches (home games); Over 2.5 goals lands in 52% of games (home games); they fail to score in 33% of games.

Rio Ave in-play tendencies (last 51 games, 25 of them away): at least one goal arrives before half-time in 68% of their matches in away games; when goalless at HT, a second-half goal follows 90% of the time; of the 11 games they led at half-time, they failed to win 54%; of the 15 games they trailed at half-time, they recovered to draw or win 40%; BTTS occurs in 56% of their matches (away games); Over 2.5 goals lands in 48% of games (away games).

BTTS rates are mixed from the trading data — Chaves 51% versus Rio Ave 49%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Chaves 49% | Rio Ave 37%). There is an in-play dynamic worth noting: Chaves surrender their half-time lead 38% of the time, while Rio Ave have come from behind at the break to draw or win in 40% of cases — a combination that makes laying the hosts at HT a potential angle. Note also that Rio Ave surrender HT leads in 54% of cases while Chaves recover from half-time deficits to draw or win 30% of the time — a dynamic that could influence in-play positioning.

Poisson Model

The Poisson distribution model projects Chaves 1.57 xG and Rio Ave 1.51 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 0.924 / defence 1.308 | Rio Ave attack 0.867 / defence 1.132. League average goals — home 1.499 / away 1.330. Chaves's defence rating of 1.308 (above 1 = concedes more than average) is pushing Rio Ave's projected output up. Data: built from Chaves's last 51 games and Rio Ave's last 51.

Result probabilities: Chaves 39% | Draw 24% | Rio Ave 37%. Fair-value odds: Chaves 2.55 | Draw 4.14 | Rio Ave 2.73. This is a low-confidence result — no outcome reaches 45%. The draw at 24% is a primary outcome, not an afterthought.

Goals markets: Over 2.5 probability 59% | BTTS Yes probability 62% | Total xG 3.08. Over 2.5 holds a meaningful probability edge at 59% — the 3.08 total xG provides moderate support, though the model is not projecting a high-scoring game. BTTS Yes at 62% — both xG figures (1.57 / 1.51) are high enough that each side is projected to find the net.

Analysis Verdict

On the Poisson output, Chaves are the pick at 39% — marginal model lean. With a 24% draw probability, Draw No Bet on Chaves offers a more defensible entry point than the straight win. The opposing side holds a 37% win probability per the model — this is not a banker and should be staked accordingly.

On the goals line, Poisson's 3.08 combined xG gives a 59% probability to Over 2.5 — mixed conviction, supported by recent form (Chaves's last 10 home games and Rio Ave's last 10 away games) averaging 3.3 goals per game — though the H2H data averaging only 1.7 goals per game across 3 H2H matches points the other way.

Poisson assigns a 62% probability to BTTS Yes based on the attack/defence strength model. Form rates corroborate — both teams scored in: Chaves 70% (last 10 home games) | Rio Ave 70% (last 10 away games).

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