2N台on the same payments as 莊家 · N is the number of hands in a row this dealer has kept the deal, by a win or a drawn hand. 連2拉2 is 4 tai, 5 with the dealer tai.
Example
chow二萬2三萬3
四萬4五萬5六萬634772349995
South self-draws, East round, East deals 連2拉2.
Self-draw 自摸 1 tai
In one line2N tai by default (on the same payments as 莊家). Other values: MJOnline (戲谷) 2N (or N), Mahjong Masters 連 + 拉, Willoughby (1998) +2 per repeat win.
Conditions
Like 莊家, it counts only between the dealer and the player paying.
A non-dealer win passes the deal and N goes back to 0.