Player left game trigger

How do i make trigger when player leaves game ( not with defeat or victory :O ) gme disply text: a noob has left the game
:p

easy:
-Event: periodic event
-Condit: player slot status equal to has left the game
-Action: display game text message "a noob has left the game"

edit: coffeins method is better 8)

Player leaves
Events
Player - Player 1 (Red) Leaves
Player - Player 2 (Blue) Leaves
Player - Player 3 (Teal) Leaves
Player - Player 4 (Purple) Leaves
Player - Player 5 (Yellow) Leaves
Player - Player 6 (Orange) Leaves
Player - Player 7 (Green) Leaves
Player - Player 8 (Pink) Leaves
Player - Player 9 (Gray) Leaves
Player - Player 10 (Light Blue) Leaves
Conditions
Actions
Game - Display to (All players) for 15.00 seconds the text: ((Name of (Triggering player)) + has left our battlefield.)


This works when you have the latest UMSWE.

and one more :
leaderboard when units owned by player 1 red kill 1 unit add 1 kill to the leaderbord