To fully understand the game of blackjack, you
must understand and master blackjack odds. It's crucial to know
how the casino gains its edge and how it helps them win. It's
also important to understand blackjack odds such as the odds of
hitting a 10 or the odds of being dealt a blackjack. You can
read over these blackjack odds charts to help understand the
logistics behind blackjack.Casino and Dealer Advantage in
Blackjack
In
most casino games of blackjack, the house advantage (the dealer
advantage) is ~ 8%. The house gets this advantage by the dealer
being the last player to act. By acting last, all other players
have already made their decisions and could quite possibly bust
before the dealer has his turn.
By using correct blackjack basic strategy, you can turn the
casino edge in blackjack from 7%-8% down to 0.5%. If you
correctly use advanced card counting techniques, you can often
change blackjack odds and give yourself the advantage over the
casino. Manipulating the house odds to your favor is the reason
most casinos don't allow card
counters to play blackjack.
Probability of Busting on a Hit
It's
very important to know the probability of your hand busting when
you are holding any total in the game of blackjack. The
following odds chart shows the blackjack odds of busting,
depending on your current hand value:
| Hand Value
| % Bust If You Hit
|
| 21
| 100%
|
| 20
| 92%
|
| 19
| 85%
|
| 18
| 77%
|
| 17
| 69%
|
| 16
| 62%
|
| 15
| 58%
|
| 14
| 56%
|
| 13
| 39%
|
| 12
| 31%
|
| 11 or Less
| 0%
|
Two-Card Count Frequencies
This interesting blackjack odds chart is the two card count
frequency chart. This chart shows the percentage chance that you
will be dealt a hand in each given value range. The most
important frequencey to note is the chance of being dealt a
natural blackjack (natural 21 value. The odds of being dealt a
natural blackjack are merely 4.8%. Following this chart you will
see that the most common two card hand, at 38.7%, is a hand
totaling 1-16, which is considered a decision hand.
| Two Card Count
| % Frequency
|
| Natural 21
| 4.8%
|
| Hard Standing (17-20)
| 30.0 %
|
| Decision Hands (1-16)
| 38.7%
|
| No Bust
| 26.5%
|
| TOTAL
| 100.0%
|
Dealer Final Hand Probabilities
This blackjack odds chart shows the dealer final hand
probability. These are the percentages that the dealer will end
up with a hand totaling each corresponding value (up to 16).
Read over this chart to understand the odds that the dealer has
to make his final hand.
| Dealer Final Hand Value
| %
| Cumulative % Total
|
| Natural 21
| 4.82%
| 4.83%
|
| 21 (3 or More Cards)
| 7.36%
| 12.19%
|
| 20
| 17.58%
| 29.77%
|
| 19
| 13.48%
| 43.25%
|
| 18
| 13.81%
| 57.06%
|
| 17
| 14.58%
| 71.64%
|
| 16
| 28.36%
| 100.00%
|
Player Advantage vs. Dealer Up Card
The first two columns in this odds chart explain the dealer's
chance of busting, depending on the up card that he is showing.
You should note that the dealer has the highest chance of
busting when he is showing a 5. The third column in this chart
shows the player advantage of using basic strategy, compared to
each up card the dealer is showing. You can see that the player
has the highest advantage of 23.9%, when the dealer is showing a
5. When the dealer is showing any card that is 9 value or
higher, the player is in the negative advantage range.
| Dealer Up Card
| Dealer Bust %
| Player Advantage % with Basic
Strategy
|
| 2
| 35.30%
| 9.8%
|
| 3
| 37.56%
| 13.4%
|
| 4
| 40.28%
| 18.0%
|
| 5
| 42.89%
| 23.2%
|
| 6
| 42.08%
| 23.9%
|
| 7
| 25.99%
| 14.3%
|
| 8
| 23.86%
| 5.4%
|
| 9
| 23.34%
| -4.3%
|
| J,Q,K
| 21.43%
| -16.9%
|
| A
| 11.65%
| -16.0%
|
Effects of Removing Cards from a Deck
When looking at the odds of removing certain cards from a
52-card deck, some cards have a much greater effect on blackjack
odds. To create the strongest card counting system ever
invented, you would have to incorporate all of these slight and
subtle differences into the numbers to be a completely accurate
system.
Removing every 5 from a deck cards would make the largest
impact of improving your blackjack odds, as a player. On the
other hand, removing every Ace from a deck of cards would make
the largest impact on improving the odds for the casino.
| Card
| % Effect of Removal
|
| 2
| 0.40%
|
| 3
| 0.43%
|
| 4
| 0.52%
|
| 5
| 0.67%
|
| 6
| 0.45%
|
| 7
| 0.30%
|
| 8
| 0.01%
|
| 9
| -0.15%
|
| 10
| -0.51%
|
| A
| -0.59%
|
|