Archive for October 14th, 2010

Five’s in Twenty-One

[ English ]

Counting cards in twenty-one is really a way to increase your odds of winning. If you are excellent at it, you’ll be able to basically take the odds and put them in your favor. This works because card counters elevate their bets when a deck rich in cards which are advantageous to the player comes around. As a basic rule, a deck wealthy in ten’s is better for the gambler, because the croupier will bust much more frequently, and the gambler will hit a black-jack more often.

Most card counters maintain track of the ratio of superior cards, or ten’s, by counting them as a one or a – 1, and then provides the opposite one or – one to the minimal cards in the deck. A number of systems use a balanced count where the number of minimal cards will be the same as the variety of ten’s.

But the most interesting card to me, mathematically, may be the 5. There have been card counting methods back in the day that engaged doing absolutely nothing a lot more than counting the number of fives that had left the deck, and when the five’s were gone, the player had a big benefit and would raise his bets.

A great basic technique gambler is acquiring a 99.5 per-cent payback percentage from the gambling den. Every single five that’s come out of the deck adds 0.67 per-cent to the gambler’s expected return. (In a single deck game, anyway.) That means that, all things being equal, having one 5 gone from the deck gives a gambler a smaller benefit over the house.

Having 2 or three five’s gone from the deck will truly give the gambler a quite considerable advantage over the casino, and this is when a card counter will normally increase his wager. The difficulty with counting five’s and nothing else is that a deck reduced in five’s happens quite rarely, so gaining a massive advantage and making a profit from that scenario only comes on rare occasions.

Any card between two and 8 that comes out of the deck boosts the player’s expectation. And all 9’s. 10’s, and aces improve the gambling establishment’s expectation. But 8’s and 9’s have extremely tiny effects on the outcome. (An 8 only adds point zero one percent to the gambler’s expectation, so it’s generally not even counted. A nine only has point one five per-cent affect in the other direction, so it’s not counted either.)

Comprehending the results the low and good cards have on your anticipated return on a wager is the initial step in understanding to count cards and play black jack as a winner.