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Counting the 10’s
Prepare to be mathematically challenged.
Every deck contains 16 cards of which value equals to 10 (the K, Q and J) and
36 additional cards of various values.
The ratio between the number of 10’s and the other cards in the deck
influences the player’s odds. The more 10’s the deck contains, the
higher are your odds.
When the ratio is 1:2 or less, player’s odds improve (1 ten for 2 other
cards). When the game starts the ratio is 16:36 - that is 1:2.25 - so the dealer’s
has the advantage.
The hard part is that you have to keep a double count:
1. First evaluate quickly how many 10’s and how many other cards were
drawn from the deck during the first round.
2. Now decrease those from the 16:36 ratio respectively, (for example, if
you counted 5 tens and 3 others, the new ratio is 11:33).
3. Divide the number of the others by the number of the 10’s. If the
result is higher than 2, odds are against the player. If the result is 2 or
lower, odds are in favor of the player. (In the given example, the result is
3, pretty bad)
Plus, when keeping count of the 10’s, player has a fair chance of knowing
when to insure against the dealer’s possible Blackjack.
Ace Counting
In this system, cards are valued like this:
A = +4
K, Q or J = +1
Others = -1
So a deck’s value is:
4 aces = 16
16 K, Q and J= 16
32 others = -32
total 0
1. Add 1 point every time a card is drawn.
2. When an ace appears, decrease 5 points.
3. When an ace appear, decrease 2 points
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