Since there's quite a bit of buzz about applying virtual loss, here is the test results from b&m casino using SAS supa dupa bet selection.
PS. 1st bet 1 unit, if win start the next cycle
if loss 2nd bet 3 units, if win start the next cycle
...
PS. 1st bet 1 unit, if win start the next cycle
if loss 2nd bet 3 units, if win start the next cycle
...