my strategy

chance    = 24.975
prebet    = balance/3000
nextbet   = prebet
losecount = 0
betcount  = 0
bethigh   = false

function dobet()
        if win then
            bethigh   = false
            betcount += 1
            losecount = 0
   else
        losecount += 1
   end
    if (losecount > 0) then
    nextbet = previousbet
   end
    if (losecount == 3) then
        nextbet = previousbet*3
   end
if (losecount == 6) then
    nextbet = previousbet*3
end
if (losecount == 9) then
    nextbet = previousbet*3
    end
if (losecount == 12) then
    nextbet = previousbet*3
end
if (losecount == 15) then
    nextbet = previousbet*3
end
if balance > prebet*10000 then
    stop()
end
if (betcount == 2) then
        nextbet  = prebet
        betcount = 0
       resetseed();
       prebet = balance/3000
    end
end