I dont play chess but i do study for college. Some am i cheating my education like the baseball players cheated the mlb?

i would like to know how to anticipate how many points i will win or lose when using the doubling cube in backgammon on yahoo.

I’m french, I’m going to China next months (Shanghai and Beijing most of the time). I can play mah-jong quite well. I would like to play mahjong there, with chinese people. Where ?