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Evaluating team performance

SoccerSTATS.com - updated on: 28 Mar 2025

In league competitions, team performance is often evaluated using well-known indicators like Total Points, Points per Game, or Winning Percentage. To provide more comprehensive context when evaluating team results, the Points Performance Index considers Points Per Game in light of an additional factor: the Points Per Game of played opponents.

"It all evens out at the end of the season." We've all heard this, whether it's debating our team's bad luck with lost points, suspensions, or referee decisions, or acknowledging that other teams have had an easier schedule.

By the season's end, when every team has played the same number of matches against all opponents, both strong and weak, it's clear which teams had a successful campaign.

However, halfway through a league, while team rankings, points, and points per game offer useful insights into performance, these metrics only reflect performance within a specific context. This context includes the opponents each team has faced, and whether each match was played at home or away, as discussed in Evaluating matches difficulty-level.


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Overrated or Underrated?

Imagine your team is just one point behind a direct competitor, with a home game against a lower-ranked team still to play. Are you on track? Assuming a win in that game to catch up, you'd likely think so. It's a shame about those two points dropped last week against a supposedly easy opponent, though.

The league table might tell you a comforting story. And with that game in hand, if you only looked at Points Per Game instead of total points, your team might even rank above its direct competitors.

Yet, to truly understand your team's performance compared to its rivals, you need to examine where and against which opponents your team earned its points, and the same applies to your competitors.






Evaluating the Opposition

To assess the opposition's strength, we use the same metric described on the Run-in analysis page: an average value that considers the home Points Per Game (PPG) of all opponents faced away, and the away PPG of all opponents played at home. The resulting value is labeled "Opponents PPG" in the Relative Performance table.




Calculating the Points Performance Index

The PPI calculation aims to provide a rating that gives more weight to a team's more significant results.

For instance, if a team's last two matches were (1) a home win against a low-ranked team and (2) an away win at the league leaders', both results would be valued identically in the league table and Points Per Game calculations. However, the latter is clearly more meaningful in terms of performance.

Each result a team achieves carries its own "weight," represented by the opponent's PPG. The combined strength of all opponents played by a team is represented by the Opponents PPG value in the table.

To calculate the Points Performance Index, we multiply the team's Points Per Game by their Opponents PPG value.

You can find more information on the Points Performance Index on the Relative performance page.




Calculating Projected Points

The Projected Points table displays a simulated points projection for each team, based on the team's Points Per Game (PPG), the PPG of opponents already played, and the PPG of future opponents.

For each team, the PPG of played opponents is compared to the PPG of future opponents, resulting in a ratio.

If the played opponents' PPG is higher than the future opponents' PPG, the ratio will be greater than 1. If the ratio is below 1, it means the future opponents' PPG is higher than the played opponents' PPG.

This ratio is then applied to the team's existing PPG to create a 'Projected PPG' for the team. This 'Projected PPG' is then multiplied by the number of remaining games, and the result is called 'Projected Points'.

Further details on how Projected Points are calculated are provided in the description below the Projected Points table, for example, on the Projected Points page for Serie A.




Calculating Performance Ratings

The Performance Rating is based on what we call Performance Points (pPts). Unlike typical points, where a draw is rewarded with one-third of a win, Performance Points are calculated to value a draw as half a win.

The traditional 3-1-0 point system strongly incentivizes teams to aim for a win. In the past, the old 2-1-0 system sometimes led teams to play for a draw too often, which could make games less engaging for neutral spectators.

However, calculating 'Performance Points' based on 1 point for a win, 0.5 point for a draw, and 0 point for a defeat offers a different perspective on team performance, as illustrated by the following example:

Let's assume Team A and Team B have each played 10 games.

Team A has the following record:
5 Wins, 0 Draw, 5 Losses (Total: 15 points | 5 performance points)

Team B has the following record:
2 Wins, 8 Draws, 0 Loss (Total: 14 points | 6 performance points)

While Team A has been more effective at accumulating points than Team B (and would logically finish above Team B in the league table if these patterns continued), when analyzing performance, one could argue that an undefeated team like Team B, with two wins, hasn't necessarily demonstrated weaker performance than a team that lost half its matches, as Team A did.

With the classic points system, Team A has a PPG (Points Per Game) of 1.5, and Team B has a lower PPG of 1.4.

With the Performance Points system, Team A has a pPPG (Performance Points Per Game) of 50%, while Team B has a higher pPPG of 60%.

The Performance Rating (PR) is calculated based on the team's Performance Points Per Game (pPPG) and the pPPG of the opponents the team has already played. It is the average of these two values.

Using the same logic as the Points Performance Index, the Opponents pPPG value is calculated by considering the Away pPPG of opponents played at home and the Home pPPG of opponents played away.

More information on the Performance Rating calculation is available on the Performance Rating page.

An example of the Performance Rating table is visible on the Performance Rating page for the Serie A.



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Performance Rating
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Points Performance Index
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Evaluating matches difficulty-level
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Run-in analysis
15 Jun 2020
Equalizers scored
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Form tables
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Relative form
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Team-specific results query
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League results query
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