joining bankroll with friend, some problems

[alThor]

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i just started sharing my bankroll ... he is contributing roughly 2000 and i am contributing 1100. ...Hes playing 6 tables and Im gonna be playing 2. ...what is a fair amount considering he is playing more and contributing more money?

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If you believe that you are both equally profitable, and that there is no risk of going bankrupt, then you should split in proportion to hands played.

If there is a chance you will lose the bankroll, and never play again, then your friend deserves a premium for risking more money. The blackjack literature addresses this kind of problem for teams. See Schlesinger's Blackjack Attack, for example, for a basic method. Basically, a percentage goes to investors in proportion to their capital, and the rest goes to players in proportion to their hours played. The percentage is based on the risk of ruin.

If you just want a wild-assed guess, how about: split half your profits in proportion to your investments (basically 1/3, 2/3), and split the other half by hours played. If you play equal hours, you will get (1/6 + 1/4)=5/12 of profits. Obviously your original investments are simply refunded at the end of the deal.

alThor