
Basic Blackjack Strategy
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... all you need to know
Blackjack strategy is a world made up of two halves. One
half is comprised of those who believe that 'basic strategy'
is all you need to know, while the other half believe it
leaves something to be desired. Basic strategy is the
standard name for the strategies that were discovered with a
little computer help in the 1980's. Computer programmers
realized that once you know all of the variables governing
game-play, the specific rules for a table, and the number of
decks in a shoe, you could program a computer to play
blackjack for you. Having the computer play for them allowed
the researchers to assess every possible situation a player
could be presented with (two card total vs. a specific
dealer's up-card) and determine which would be more
statistically profitable for the player in the long run.
This information is usually provided in the form of a table
or chart that allows you to look up your two-card hand
against the dealer's up-card. The chart indicates whether
you should hit, stand, double, or split.
It's rather difficult to dispute the reliability of a
blackjack strategy that was built on pure mathematics.
Playing perfect strategy, depending on the game you're up
against, helps bring the house edge into check, possibly
lowering it to the point where the house has less than half
a percentage point edge on the player. Advocates of basic
strategy know their best chance at the table is to follow
the laws of basic strategy to the letter. While people play
with the best of intentions, they often fail to follow the
strategy suggestions exactly. The reason for this is rather
simple, but deceptively destructive.
Imagine yourself at the table, with your basic blackjack
strategy firmly in mind, and you are dealt two fives against
a dealer up-card of 7. Imagine also, that you're near the
end of your session and your bankroll isn't as high as it
once was. A common mistake often takes place under these
circumstances. Many players see that basic strategy in this
situation recommends that you double down and hope your next
card is a ten, for a nice strong total of 20. A player who
is on a downswing for their bankroll though, is not as
willing to bet big, unless they are chasing their losses,
which is never a good idea. This is where a very common
blackjack strategy mistake is made. When basic strategy
suggests one should double down, it's a mistake to think "that
means I'll likely win anyway, so I don't truly need to
double my bet, I'd rather risk less right now and be happy
with my smaller winnings". While there is some inherent
logic in this approach, because it's true that if basic
strategy is suggesting you double down you have a better
chance of winning than normal, actually holding back from
doubling your bet limits the advantage that playing with
basic strategy provides. You've probably heard that playing
perfect basic blackjack strategy may help lower the house
edge to less than 1%, but this simply is not the case if you
don't take full advantage of every instance where it is
advantageous to double down.
Consider this logically. The approximate house edge for a
session of play can be worked out by watching your bankroll,
seeing how much you have left, and seeing how much the house
has taken. Not maximizing your wins on a double down
situation will leave you winning just as often, but not
winning as much. This has a direct effect on the house edge:
it increases it. To keep the house edge at it's lowest you
always need to double down when it is suggested by basic
blackjack strategy.
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