Over quite a few months, my friends and I have been keeping detailed logs for an online blackjack game at a casino that does not shuffle every hand. Combined we have run over 200,000 hands. According the data we've compiled, for low counts (when the true count w/ the hi/lo system is < 3, but > 0 bc we wong out) we lose on average probably about $0.02 a hand. This loss is in stark contrast with the 0.005% casino advantage calculated according to the rules of the game when playing basic strategy. I got the basic strategy and casino advantage from www.blackjackinfo.com. Keep in mind that we bet the $1 minimum unless the true count is > 1.7 then we start scalling up by multiplying our calculated advantage (using 0.005% increase in advantage per true count) by our starting and arbitrarily-chosen bank roll of $2600. The most that would ever be bet for these games occurs when the true count = 3 in which case we bet 15.
At first we chalked up the results to human error so we moved from using the basic strategy charts to using computer programs to keep track of everything for us. To decide which move to make we used the BJ2021 program, which counts cards to determine the best possible play. Interestingly, we had greater winnings/hand when using the charts. Anyway, to keep track of the true count etc, one of my friends wrote a simple program. So it seems there was little source of human error the second time around and yet we still had a loss per hand much greater than the casino advantage.
Also interesting was that for when the true count was high (>3) we had negative net winnings as well, but I chalk this up more to standard deviation than anything, especially since we probably only have about 20,000 "high count" hands logged and were betting up to 50/hand before doubling and splitting.
In hindsight, it seems our results would be much clearer had we only bet $1 for all of the hands, but alas we also wanted to test out betting large on high counts.
Anyway, what do you all think. Is this basis to say the casino is cheating? Also, if so, what should I do? I have purposely not said the name of the casino yet because I don't want to be responsible for false acusations.