Before revision:  Its preimage is a new contract card game presented at the end, a combination of bridge and poker  .
After revision:  Its preimage is a new contract card game presented at the end, a combination of bridge and poker . The relations to random processes and fractional Brownian motion are outlined. We provide a reasonably complete description of our AI-type trading system, but our ML procedures are not discussed much (a special version of those in neural networking is used) .