Distribution of played maps based on team rankings.
By: Luan Dias Dos Santos
Tags: Valve, Esport, Csgo

Distribution of played maps based on team rankings.

The data pattern of maps played by Rank 20, 50 and teams in general is very interesting, with some T side swings Luan Dias dos Santos Dec 27, 2021·4 min read

Introduction

In 2021 the rotation of maps in competitive was restricted to these maps: Ancient, Dust II, Inferno, Mirage, Nuke, Overpass, Train, Vertigo, and in May 2021, Train was replaced by Ancient, thus completing 7 maps available for matches.

Certain tactical executions on maps require a high level of skill, communication and confidence and therefore end up being made only by high caliber teams, as simple plays can be left out due to low effectiveness against strong teams.

Therefore, the question arises, do the teams in the Top 20 choose the same maps as the teams in the Top 50? Does the distribution of wins on the CT and T sides remain the same between the rankings?

In order to answer these questions, the performance of three groups of teams was analyzed: Top 20, Top 50 and General considering the % of map choice and also the win percentage on the CT and T side for each map.

Top 20

As can be seen in Image 1, the most chosen maps were Inferno, Mirage and Nuke, the preference for these maps can be justified due to the balanced distribution of CT and T rounds, so teams avoid playing in an unnecessary disadvantage situation.

This behavior is reflected when compared to the 3 least played maps, Ancient, Vertigo and Overpass which with the exception of Vertigo represent the 2 most unbalanced maps, reaching 57% of CT side wins on Ancient.

Top 50

The top 50 has a different behavior from the top 20, which was expected, however what surprises me are the maps where there was a variation in the percentage of choice and also the distribution of rounds between CT and T.

With the use of Image 2, it is evident that in the Top 50, the T side has better win rates, being present in all maps, with the Ancient map with the greatest variation (2.3%) for the T side.

In terms of choice of maps, the increase in the percentage of choice is present in maps with a high advantage for the CT side, with the exception of Vertigo which remains very balanced which withn the addition of statistical weighting reaches 50% on each side, an incredible feat.

General

In general, there is no clear trend that follows the previous rankings. As can be seen in Image 3 the variations in the choice of map in relation to the Top20 are affected for the choice of maps in which the favored side is the T, while in relation to the Top50 the change occurs in the opposite direction.

This scenario holds on all maps with the exception of the Mirage which is being chosen less on both groups, and Inferno which is being chosen more on both groups.

In the percentage of wins there is positive variation for the T side in all maps except the Ancient (Only in relation to the Top50), interesting to see that even in a meta with a clear advantage on the CT side, maps like Dust II, Inferno and Vertigo have better use as a T, even though this is only clear outside the Top20.

Conclusion

From a statistical point of view, the choice of maps that favor one side, be it CT or T, makes sense because the search for an increase in the percentage of wins is a logical reasoning that should be explored.

However, when exploring these percentages also leads to weaker teams choosing the map based on the simplicity of execution which against stronger teams can lead to defeat, this helps to explain why the T side has a greater probability of winning the rounds, so stronger teams hardly lose economic advantage rounds.

Another interesting point is the Nuke map, where there is less variation between the groups of teams analyzed, so it is possible to assume that the execution of effective strategies remains at a level where different teams from different groups can execute.

Finally, it is interesting to see how the maps behave when players of different abilities move and act on them, in a future analysis it would be interesting to assess the location of deaths and the predominance of the executed sides.

Bonus ( I had no idea where to put this on text, and this is helpfull info .-.)

Variation of map choice percentage.

Variation of win percentage at CT and T side.

That’s it, I hope you liked it, questions, suggestions, you can contact me via twitter: @csgo_statistic or email: cauby.luan@gmail.com