new Float:totalratio = (gPlayerTotalKills[playerid]:gPlayerTotalDeaths[playerid]);

Errors:

D:\Mijn documenten\Pawno\gamemodes\src\filterscripts\testjuh.pwn(226) : error 001: expected token: ")", but found ":"
D:\Mijn documenten\Pawno\gamemodes\src\filterscripts\testjuh.pwn(226) : warning 215: expression has no effect
D:\Mijn documenten\Pawno\gamemodes\src\filterscripts\testjuh.pwn(226) : error 001: expected token: ";", but found ")"
D:\Mijn documenten\Pawno\gamemodes\src\filterscripts\testjuh.pwn(226) : error 029: invalid expression, assumed zero
D:\Mijn documenten\Pawno\gamemodes\src\filterscripts\testjuh.pwn(226) : fatal error 107: too many error messages on one line