thanks for your replies to my inquiry re roulette stats. The scepticism about roulette systems is justified. No I am not trying to develop some silly system, there's an abundance of them already out there. The only true system evident from my many visits to the roulette wheel is that losing is normal, winning is merely good luck and doesn't last any longer than a few minutes at any one time.
Having said that, there is a system that I have had some luck with, and need to crunch the numbers to convince myself that it, too, is a loser, before finally giving up at roulette. It goes like this ...........