Glossary of Terms
Below are some of the more common blackjack terms used by reporters and authors in their articles that appear in the Blackjack Insider newsletter. Use this as a reference.
BJ checker = device used by the dealer to check her hole card
cc = cut card
csm = continuous shuffle machine
das = double down after pair splitting
dd = double deck
doa = double on anything
d9 = double down only on two card 9 or more
d10 = double down only on two card 10 or more
EV = expected value. The amount (expressed in dollars or percent) a player should win (or lose) based on the player’s statistical advantage (or disadvantage).
eits = eye in the sky casino surveillance
fake dd = six deck game disguised as a double deck game
h17 = dealer hits soft 17
ls = late surrender
nm = no mid game entry
nrs = no resplits
pen = penetration = The fraction (or percentage) of cards in a pack that the dealer will deal before reshuffling. Usually the pen is designated as a percentage (for example a game in which the dealer deals 4.5 decks out of 6 decks has 75% penetration). Sometimes, however, the penetration is stated as just the deck(s) of cards that are not put into play. For example, "a 0.8 penetration in a 2-deck game" means 1.2 decks are played out prior to shuffling and the penetration is 60%.
pc = Pit Critter – a euphemism for casino floor supervisors
ploppies = common name for clueless blackjack players
rat hole your EV = stick chips in your pocket to make it look like you are not winning
rc = running count
rsa n = resplit aces up to 'n' times
rule of 6 (RO6) = In single deck blackjack games, 6 – n rounds will be dealt to n players.
sd = single deck
sr = surrender
sweaty = when a floor supervisor worries about a game
s17 = dealer stands on soft 17
tc= true count
Wonging = A term used to indicate back counting and playing only when the count is favorable.
6d = 6 decks
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