After serious downswing and couple of withdrawals my BR is $524.35
New set of rules is in order, no more 10 buy-in levels
levelrule= IF(BR<1250; 10; IF (BR<2500; 25; IF (BR<5000; 50; IF (BR<10000; 100; IF (BR<20000; 200; IF (BR<30000; 400; IF (BR<50000; 600; IF (BR<100000; 1000; 2000))))))))