Another factor that can make card counting more difficult is so-called deck penetration.
In Blackjack games using 4, 6 or 8 card decks, you can still make use of deck penetration provided the shoe is not reshuffled after each hand.
This page presents information that most parents are not aware of at the time they make the circumcision decision.
I usually go for a washroom break if I get a reall bad count and wait for the next shoe.
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Closing Thoughts If you are into card counting, you can learn and master this technique.