Players who prefer bullet or blitz games like their opponent to have a good Internet connection, so that the game can be played smoothly.

 

Poor network connections are particularly annoying in games with short time controls.

 

Delays caused by waiting times in the Internet are commonly called "Lag".

 

It is possible to set an option to filter out lagged conections in the following dialog in the Formula:

 

 

You can filter out lags by using the setting "Fast Internet Only".

 

 

The chess server uses this setting to block challenges from players with a poor connection speed.