Another strategy is the Fibonacci system, the place bets are calculated in accordance with the Fibonacci sequence. Regardless of the particular development, no such technique can statistically overcome the on line casino's advantage, because the anticipated value of every allowed guess is unfavorable. When a winning number and shade is decided by the roulette wheel, the supplier will place a marker, also called a dolly, on that number on the roulette desk structure. When the dolly is on the table, no players could place bets, collect bets or remove any bets from the desk. The dealer will then sweep away all losing bets both by hand or by rake, and decide the payouts for the remaining inside and outside winning bets.