Unreal Tournament Scoring Definitions
as Presented in ngStats

CTF Scoring
and
Flag Events 
CTF Scoring 7 points per Flag Capture
4 points per Flag Kill
1 point per Frag
CTF Totals Note: Team Totals are just Flag Captures and do not equal the "Total" of the individual players. A Player's Totals are their total CTF Scoring from above.
Flag Captures A Player touching the opposing flag with their own flag.
Flag Kills Killing an opposing player who is carrying your flag.
Flag Assists Carrying the flag at least once during a successful capture, but not actually capturing it.
Flag Saves A Player picking their own flag up and causing it to return to base.
Flag Pickups A flag picked up either in the field or from "in place" from the opposing base.
Flag Drops Anytime a Player drops the flag regardless of cause.