Colo Colo 2-0 Antofagasta – Result & Analysis
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Poisson model rates Colo Colo at 36%, yet other data sources diverge — this Colo Colo vs Antofagasta fixture contains genuine analytical tension.
✍️ Match Preview
Analysis
Antofagasta make the trip to Estadio Monumental David Arellano to face Colo Colo in Primera División, Regular Season - 17. The match kicks off on Saturday 21 August 2021 at 21:30 UTC.
Current Form
Colo Colo's overall Primera División record this term: 6W 2D 2L from 10 games (2.00 PPG). Last five: D W W W W. Offensively they are averaging 1.80 goals per game, with 1.00 conceded. 6 clean sheets from 10 games (60%) is a standout defensive return — they are keeping their net clean in more than half their matches. This season is still relatively young for Colo Colo, so this record blends games from this season and last.
Colo Colo's home record at Estadio Monumental David Arellano: 3W 2D 2L from 7 Primera División appearances (1.57 PPG). At home they are averaging 1.14 goals scored and 0.71 conceded per game. 4 clean sheets from 7 home games (57%) — they are an exceptionally hard side to score against at Estadio Monumental David Arellano.
Antofagasta (all games): 4W 4D 2L across 10 Primera División outings this term — 1.60 points per game. Last five: D W D L W. Their scoring rate of 1.10 per game is modest, conceding 0.90 — not a side to back heavily on the Over 2.5 from their form alone. 3 clean sheets from 10 outings suggests some defensive organisation. Both teams have scored in 60% of their games — a noteworthy BTTS rate that supports the Yes market. This season is still relatively young for Antofagasta, so this record blends games from this season and last.
When travelling in Primera División this season, Antofagasta have posted 1W 5D 1L from 7 away outings — 1.14 PPG. Away from home they average 1.29 goals scored and 1.14 conceded per game. Both teams have scored in 86% of their away matches — a high BTTS rate on the road that directly informs this fixture.
Both sides are running at similar form levels — 2.00 PPG for Colo Colo against 1.60 for Antofagasta. There is no clear form edge to exploit here; other signals need to take the lead.
Trading Data
Colo Colo goal-timing and half-time pattern breakdown (15 games, 7 at home): they score before half-time in 43% of fixtures in home games; when goalless at HT, a second-half goal follows 71% of the time; BTTS occurs in 43% of their matches (home games); Over 2.5 goals lands in 29% of games (home games); they keep a clean sheet 60% of the time.
Antofagasta goal-timing and half-time pattern breakdown (15 games, 7 at away): they score before half-time in 71% of fixtures in away games; when goalless at HT, a second-half goal follows 80% of the time; two or more arrive in the second half on 60% of those occasions; BTTS occurs in 86% of their matches (away games); Over 2.5 goals lands in 29% of games (away games).
BTTS rates are mixed from the trading data — Colo Colo 40% versus Antofagasta 73%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Colo Colo 40% | Antofagasta 47%).
Poisson Model
The Poisson distribution model projects Colo Colo 1.04 xG and Antofagasta 0.88 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: Colo Colo attack 0.984 / defence 0.943 | Antofagasta attack 0.795 / defence 1.004. League average goals — home 1.057 / away 1.179. Data: 15 Colo Colo games / 15 Antofagasta games used (CurrentSeason).
Result probabilities: Colo Colo 36% | Draw 36% | Antofagasta 28%. Fair-value odds: Colo Colo 2.78 | Draw 2.78 | Antofagasta 3.57. The draw (36%) 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 30% | BTTS probability 40% | Total xG 1.93. Under 2.5 is the strongly backed market at 70% probability — total xG of 1.93 sits well below the 2.5 threshold. The model is projecting a tight, low-scoring match based on both sides' defensive quality. BTTS probability of 40% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Picks & Verdict
The Poisson model's preferred outcome is the draw at 36% — neither side is more likely to win than to draw. Draw-inclusive markets are the most model-aligned approach. Home win at 36% and away win at 28% are close enough that backing either outright carries significant draw exposure.
The Poisson model projects 1.93 xG in total — Under 2.5 at 30% — reasonable confidence, supported by form averaging 2.1 goals per game.
Poisson assigns a 40% probability to BTTS No based on the attack/defence strength model. This conflicts with form data: Colo Colo 43% | Antofagasta 86% from recent games — a notable divergence.
🔮 Your Prediction
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💡 Key Insights
🏟️ Match Context
• Fixture: Colo Colo vs Antofagasta | Competition: Primera División, Regular Season - 17 | Venue: Estadio Monumental David Arellano • Kick-off: Saturday 21 Aug 2021, 21:30 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Colo Colo 36% | Draw 36% | Antofagasta 28% • Poisson goal markets: Over 2.5 30% | BTTS 40% | xG Colo Colo 1.04 / Antofagasta 0.88 • Poisson strength factors: Colo Colo attack 0.984 / def 0.943 | Antofagasta attack 0.795 / def 1.004 | league avg home 1.057 / away 1.179 • Poisson stance: Draw (36%) — low confidence — close contest
🧮 Prediction Model
1.04
Colo Colo xG
Expected Goals
0.88
Antofagasta xG
40%
BTTS
59%
Over 1.5
30%
Over 2.5
13%
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 Colo Colo vs Antofagasta kick off?
Colo Colo vs Antofagasta kicked off at 21:30 on Saturday 21 August 2021 at Estadio Monumental David Arellano.
What was the final score in Colo Colo vs Antofagasta?
Colo Colo 2 - 0 Antofagasta.
Where is Colo Colo vs Antofagasta being played?
The match is being played at Estadio Monumental David Arellano.
What competition is Colo Colo vs Antofagasta part of?
Colo Colo vs Antofagasta is a Regular Season - 17 fixture in the Primera División (Chile).
Who is favourite to win Colo Colo vs Antofagasta?
Our statistical model gives Colo Colo a 36% chance of winning, Antofagasta a 28% chance, and a 36% chance of a draw, making this a very evenly-matched fixture.
Will both teams score in Colo Colo vs Antofagasta?
Our model estimates a 40% probability that both Colo Colo and Antofagasta will score (BTTS).
Will Colo Colo vs Antofagasta have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 30%.
What is the head-to-head record between Colo Colo and Antofagasta?
No recorded head-to-head meetings available in the dataset.
What form are Colo Colo and Antofagasta in?
Colo Colo (all comps): 6W-2D-2L in 10 | 2.00 PPG | GF 1.80 / GA 1.00 | L5 D-W-W-W-W. Antofagasta (all comps): 4W-4D-2L in 10 | 1.60 PPG | GF 1.10 / GA 0.90 | L5 D-W-D-L-W.
🧮 Model Insight
Behind the Numbers
The model rates Colo Colo's attack at 0.98x the league average against Antofagasta's defence at 1.00x — combine the two and it projects 1.04 expected goals for the hosts. Flip it around — Antofagasta's attack (0.80x) against Colo Colo's defence (0.94x) — and the away total comes out at 0.88.
These ratings are built from 15/15 games of current-season data — a full enough sample to trust.
Scoreline Breakdown
Of every possible scoreline, 0-0 carries the highest individual probability at 16.3% — still a long way from a near-certainty, which says something about how open this one is on paper. Close behind: 1-1 (15.2%), 1-0 (13.5%). Those top three scorelines alone account for 45% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Colo Colo Win
36%
2.74
36%
2.81
28%
3.58
Top 3 Most Likely Scorelines
1 – 0
15.2%
Home win
Most likely
0 – 0
14.6%
Draw
1 – 1
13.4%
Draw
Expected Goals & Win Odds
1.04
Colo Colo xG
Total xG
1.93
0.88
Antofagasta xG
2.74
36%
Home win
2.81
36%
Draw
3.58
28%
Away win
Goals Markets
57%
Over 1.5
1.75
43%
Under 1.5
2.33
30%
Over 2.5
3.33
70%
Under 2.5
1.43
13%
Over 3.5
7.69
87%
Under 3.5
1.15
5%
Over 4.5
20.00
95%
Under 4.5
1.05
Match Markets
Both Teams to Score
40%
BTTS Yes
2.50
60%
BTTS No
1.67
Clean Sheet
41%
2.42
35%
2.84
Win to Nil
15%
6.63
10%
10.17
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 14.6 | 12.9 | 5.7 | 1.7 | 0.4 | 0.1 |
| 1 | 15.2 | 13.4 | 5.9 | 1.7 | 0.4 | 0.1 |
| 2 | 7.9 | 7.0 | 3.1 | 0.9 | 0.2 | – |
| 3 | 2.8 | 2.4 | 1.1 | 0.3 | 0.1 | – |
| 4 | 0.7 | 0.6 | 0.3 | 0.1 | – | – |
| 5 | 0.2 | 0.1 | 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 Colo Colo vs Antofagasta?
Our Poisson model rates 0-0 as the single most likely exact scoreline, at 16.3%.
How many goals are Colo Colo and Antofagasta expected to score?
The model projects 1.04 expected goals for Colo Colo and 0.88 for Antofagasta, a combined total of 1.93.
How confident is the prediction model for Colo Colo vs Antofagasta?
Not very — the model's leading outcome sits at just 36%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
The Form Picture
Colo Colo come into this having played 15 games, going 9W 3D 3L for 2.00 points per game. Their last five reads D-W-W-W-W. The sample for Colo Colo is still a mix of this season and last, given how young the current campaign is.
On the other side, Antofagasta sit at 1.53 PPG from 15 outings (6W 5D 4L), a run that reads D-W-D-L-W across their last five. The sample for Antofagasta is still a mix of this season and last, given how young the current campaign is.
Colo Colo carry the stronger recent form of the two, 0.47 PPG clear of Antofagasta — worth weighing alongside whatever the head-to-head and market data say.
Home & Away Splits
Colo Colo's home form reads 3W 2D 2L across 7 games on their own ground, a 1.57 PPG return. That actually lags their 2.00 PPG overall record — home advantage hasn't been translating into results for them lately.
Away from home, Antofagasta have taken 1.14 points per game from 7 outings (1W 5D 1L).
Comparing the two in their relevant venue splits, Colo Colo come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
Scoring & Defensive Trends
Colo Colo are averaging 1.60 goals scored and 0.87 conceded per game recently; Antofagasta are on 1.33 scored and 1.13 conceded.
On BTTS specifically: Antofagasta in 73%.
Defensively: Colo Colo have kept a clean sheet in 60% of their games — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 15 Results — Primera División
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Colo Colo
Blended
Antofagasta
Blended
❓ Frequently Asked Questions
What form are Colo Colo and Antofagasta in coming into this match?
Colo Colo have gone 9W 3D 3L in their last 15 games (2.00 PPG), while Antofagasta have gone 6W 5D 4L in their last 15 (1.53 PPG).
Which team has the better venue record — Colo Colo at home or Antofagasta away?
Colo Colo's home record (1.57 PPG) is the stronger of the two venue-specific splits — Colo Colo at home: 1.57 PPG; Antofagasta away: 1.14 PPG.
Have Colo Colo or Antofagasta been keeping clean sheets recently?
Colo Colo have kept a clean sheet in 60% of their recent games, Antofagasta in 20%.
⚔️ Rivalry Insight
History of the Fixture
On record, these two have faced off 4 times since August 2021 — enough meetings to establish some real patterns. Every recorded meeting has come in Primera División. It has been a while since the last meeting — 7 August 2022, some 1 year back — so squads and form on both sides may look very different now.
Records & Recent Trends
There's a clear current trend here: Colo Colo have taken the last 2 head-to-head results.
Specifically as hosts in this fixture, Colo Colo have gone 2W 0D 0L from 2 meetings on their own ground against Antofagasta — worth weighing alongside the overall series record.
Last 4 Meetings
3
Colo Colo
0
Draws
1
Antofagasta
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Colo Colo and Antofagasta?
From 4 meetings on record, Colo Colo have won 3, Antofagasta have won 1, and 0 have been drawn.
When did Colo Colo and Antofagasta last play each other?
They last met on 7 August 2022, when Colo Colo 1-0 Antofagasta.
Who has won more matches between Colo Colo and Antofagasta?
Colo Colo have the better head-to-head record, with 3 wins from 4 meetings.
📈 Trading Insight
How These Sides Start
Colo Colo see a goal before the break in 43% of their matches. They've gone in front at half-time 29% of the time.
Antofagasta 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 29% of the time.
Goals & Clean Sheets
BTTS sits in mixed territory for this pairing — Colo Colo 43%, Antofagasta 86% — no strong lean either way from the trading data alone.
Low-scoring games have been more typical here — Over 2.5 sits at just 29% for Colo Colo and 29% for Antofagasta.
On the defensive side: Colo Colo keep a clean sheet in 57% of their matches.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Colo Colo home games / Antofagasta away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Colo Colo play Antofagasta?
Yes — based on recent matches, both teams have scored in 43% of Colo Colo's games and 86% of Antofagasta's, a combined rate that favours BTTS Yes.
Is Colo Colo vs Antofagasta usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 29% of Colo Colo's recent games and 29% of Antofagasta's, pointing to a tighter contest.
Do Colo Colo and Antofagasta tend to score early?
Colo Colo have had a goal before half-time in 43% of their recent matches, Antofagasta in 71% — a useful reference point for first-half goal markets.
Colo Colo cruise to a comfortable 2-0 victory over Antofagasta.
📝 Match Report
How It Unfolded
Colo Colo beat Antofagasta 2-0 at Estadio Monumental David Arellano, Regular Season - 17, in the Primera División. 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 Colo Colo 1.04 xG and Antofagasta 0.88 xG, a combined 1.93. The scoreboard read 2-0 for 2 actual goals. Colo Colo beat their projection by 1.0 — clinical relative to the chances the model priced in. Antofagasta landed 0.9 under their projected return. Those figures were built on strength ratings of Colo Colo attack 0.98 / defence 0.94 against Antofagasta attack 0.80 / defence 1.00, drawn from 15/15 games (CurrentSeason).
On the result, the model split it Colo Colo 36% | Draw 36% | Antofagasta 28%, with Colo Colo to win its most likely call at 36%. The scoreboard confirmed the model's leading pick.
Goals & Markets
The model rated Over 2.5 goals at 30%. The game delivered 2, so it stayed under — the model's lean was correct. Over 1.5 had been 59% and landed. On both teams to score, the model sat at 40% and the match did not — another call in the model's favour. Historically the two sides average 43% Over 2.5 across their same-competition games (Colo Colo 40%, Antofagasta 47%), a base rate that agreed with today's under. Their combined BTTS history runs at 57%, which did not match the one-sided outcome.
Trading Patterns vs Reality
Colo Colo's trading profile (15 games, 7 home) set some clear expectations: BTTS lands in 40% of their matches — today it did not; they keep a clean sheet 60% of the time, and duly kept one.
Antofagasta's trading profile (15 games, 7 away) set some clear expectations: BTTS lands in 73% of their matches — today it did not.
Form vs Result
On form, Colo Colo arrived the stronger side — 2.00 PPG against 1.53. The form guide was vindicated by the result. Colo Colo (home/away splits) scored 2 against a 1.14 average — above their attacking norm. Antofagasta (home/away splits) managed 0 against a 1.29 scoring average — below par going forward and shipped 2 against a 1.14 concession average — a leakier day than usual.
Verdict
Grading the result against the stored data, 4 of 4 pre-match signals came in: result (hit), Over 2.5 (hit), BTTS (hit), form (hit). The data earned its keep here, calling the bulk of the fixture correctly.
💡 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.