To fully understand the game of blackjack, you must understand and master the odds of blackjack. It is important to know which casino has odds and how those odds allow the casino to win.

The dealer’s advantage in blackjack comes from the fact that the dealer’s hand is open, and it gets there only after all the players have made their first decision. This advantage is about 8%. With a basic strategy, you can turn the house edge from 8% to your 0.5% edge. If you count the cards, you will get an even greater advantage.

Bust Probability

This table shows what the bust probability is if you draw the next card with a certain hand.

HandBust probability,%
21one hundred
2092
1985
eighteen77
1769
1662
1558
1456
thirteen39
1231
11 or less0

Dealer’s Final Hand The

table shows the probability of how many points the dealer will score. For example, the probability that the dealer will hit blackjack (21 points out of two cards) is 4.83%. The third column gives the total percentages, from which we see that the dealer will score from 17 to 21 points 71.64% of the time.

Dealer’s final hand%Total%
21 (blackjack)4.834.83
21 (3 or more cards)7.3612.19
2017.5829.77
1913.4843.25
eighteen13.8157.06
1714.5871.64
Brute force28.36

The player’s advantage against the dealer’s open card

It can be seen from the table that if the dealer always got a five, then your chances of winning a player playing according to the basic strategy would be 23.2%, and if always a card of 9 or higher, then your advantage would always be in negative range.

Dealer’s face up cardDealer bust probability,%The advantage of a player with a basic strategy,%
235.39.8
337.5613.4
four40.2818.0
five42.8923.2
642.0822.9
725.9914.3
823.865.4
923.34-4.3
10, V, D, K21.43-16.9
Ace11.65-16.0

Influence of leaving a card from the deck on the player’s advantage

From the table you can see that the exit of each five increases your chances by 0.67%, and the exit of an ace decreases by 0.59%. To create the perfect card counting system, you need to use this table.

MapImpact on advantage,%
20.40
30.43
four0.52
five0.67
60.45
70.30
80.01
9-0.15
10, V, D, K-0.51
Ace-0.59

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