- const tcParts = timeControl.replace(/ /g,"").split('+');
- const mainTimeArray = tcParts[0].match(/([0-9]+)([smhd])/);
+ let tcParts = timeControl.replace(/ /g,"").split('+');
+ // Concatenate usual time control suffixes, in case of none is provided
+ tcParts[0] += "m";
+ tcParts[1] += "s";
+ const mainTimeArray = tcParts[0].match(/([0-9]+)([smhd]+)/);