How this for a form of variance: clusterluck. Clusterluck is a term the analytics community has given us. It basically is about sequencing. For instance, two baseball teams have the same outcomes in one inning: a single, a double, and home run, 2 strikeouts and a popup. Team A scores 3 runs, Team B scores 1. The outcomes were identical, but the net result was completely different due to the sequencing of the events.
I had a losing session yesterday. But if I had a printout of every hand, I bet I won close to 50% of the hands. I probably got blackjacks close, or relatively close to 5% of the time. I won a number of double down and split hands. The problem? When I had my bigger wagers out, I lost the majority of them. The blackjacks were overwhelmingly in neutral or negative counts. High counts are great......as long as they eventually come down as the tens and aces come out. But when the cut card comes out and the count is still high? Not good.