https://forums.xonotic.org/showthread.php?tid=8417

Hello Xonoticians!
We proudly present you the Xonotic Defrag World Championship 2020! XDWC is a CTS tournament where we invite everyone to join and have some fun.

FAQ

What is Defrag?
In Xonotic it is played in the CTS (Complete the Stage) mode using the XDF physics set. The goal is to complete a map as fast as possible.

How does XDWC work? (detailed rules further down below)
- Every player can join it at any time!
- 5 (or 6) unique and unreleased maps will be played
- Your time and ranking will be converted into a score for each map
- Player with the highest score after all maps will be crowned as the Winner