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""Blackjack Strategy Rules for 21 Points:
The ability to count cards in blackjack is based on the assumption that does not hold true when discussing 'basic strategy':
The assumption is that the probability of drawing any of the 52 cards remains constant, meaning each card is drawn from an infinite number of decks or, in other words, each card is independent of the others.
Clearly, there is no such deck composed of an infinite number of decks; the cards drawn earlier will always affect the cards drawn later. In the early days of card counting, casinos still used a single deck to play blackjack, making this effect even more pronounced. For example, when the dealer deals the cards, and you receive two 10s (including J, Q, K), the dealer's face-up card is also a 10, and the hole card is also a 10, the probability of the next 10 appearing is no longer 4/13 but 12/48, which is 1/4, slightly less than 4/13. Similarly, the probabilities of other point values appearing are no longer 1/13 but 1/12.
Under the above rules, the basic strategy is as follows:
The following point values are known as 'hard point values,' meaning they do not include A or A counts as 1 point. Unless specified otherwise, all point values refer to 'hard point values.'
Dealer: 2 3 4 5 6 7 8 9 10 A
Player's Point Total:
<=8 H H H H H H H H H H
9 H D D D D H H H H H
10 D D D D D D D D H H
11 D D D D D D D D D H
12 H H S S S H H H H H
13 S S S S S H H H H H
14 S S S S S H H H H H
15 S S S S S H H H R H
16 S S S S S H H R R R
>=17 S S S S S S S S S S
Where H stands for 'Hit,' S stands for 'Stand,' D stands for 'Double down,' and R stands for 'Surrender.'
When you have an Ace (A) and it doesn't result in a bust when counted as 11, it's known as a 'soft point total,' and you should apply the following table:
Dealer: 2 3 4 5 6 7 8 9 10 A
Player's Point Total:
13 H H H D D H H H H H
14 H H H D D H H H H H
15 H H D D D H H H H H
16 H H D D D H H H H H
17 H D D D D H H H H H
18 S DS DS DS DS S S H H H
>=19 S S S S S S S S S S
'D' and 'DS' both indicate doubling down, and in situations where doubling down is not allowed, 'D' means to hit, and 'DS' means to stand.
Finally, here is the splitting strategy:
Dealer: 2 3 4 5 6 7 8 9 10 A
Player's:
A, A P P P P P P P P P P
2, 2 H H P P P P H H H H
3, 3 H H P P P P H H H H
4, 4 H H H P P H H H H H
5, 5 D D D D D D D D H H
6, 6 H P P P P H H H H H
7, 7 P P P P P P H H H H
8, 8 P P P P P P P P P P
9, 9 P P P P P S P P S S
10, 10 S S S S S S S S S S
Where 'P' indicates 'Split.'""" |
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Post time 25-9-2023 12:34:49
