This system worked by timing the ball and wheel, and using the knowledge obtained to calculate the most probably octant the place the ball would fall. Ironically, this system works finest with an unbiased wheel though it could nonetheless be countered quite simply by merely closing the desk for betting earlier than beginning the spin. Some casinos additionally supply split-final bets, for instance last 5-8 could be a 4-chip wager, one chip each on the splits 5–8, 15–18, 25–28, and one on 35. In the United Kingdom, the farthest exterior bets (low/high, red/black, even/odd) end result in the participant losing solely half of their guess if a zero comes up. In 2004, California legalized a form of roulette known as California Roulette.[10] By law, the sport must use playing cards and not slots on the roulette wheel to pick the successful quantity.