Copy and paste the script to your autoexec.cfg and press F6 or another defined key to check your stats

round = [
       split = (strreplace $arg1 "." " ");
       result (concatword (at $split 0) "." (substr (at $split 1) 0 $arg2));
]

print_stats = [
       red  = [ result "^fs^f3"; ]
       blue = [ result "^fs^f1"; ]
       
       frags   = (getfrags);
       deaths  = (getdeaths);
       acc     = (getaccuracy);
       flags   = (getflags);
       
       ldeaths = $deaths;
       if (= $ldeaths 0) [ ldeaths = 1; ]
       kpd = (round (divf $frags $ldeaths) 2)
       
       if (> $flags 0) [ flags = (concatword (blue) " Flags: " (red) $flags); ][ flags = ""; ]
       
       echo (concatword (blue) "Name: " (red) (getname) (blue) " Frags: " (red) $frags (blue) " Deaths: " (red) $deaths (blue) " Acc: " (red) $acc "%" (blue) " KpD: " (red) $kpd $flags);
]

bind "F6" [ print_stats; ]