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LS ES EHC NHC
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ACRONYMS & ABBREVIATIONS

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Penetration Notes | Sources | Strategy Types

The following acronyms and abbreviations are used throughout this book and are typical of those used in the literature.

Check the dictionary for further details.

R U L E   V A R I A T I O N S* G E N E R A L
21E Naturals pay even money instead of 3 to 2 ??? uncertain
21L Dealer BJ beats player BJ A ace
21P Dealer's BJ with 10 up pushes player's 21 a.k.a. also known as
21W BJ wins regardless of dealer's hand BC betting correlation
3UP Play one hand against 3 dealer upcards BJ blackjack
5 Five card 21 pays 2 to 1 BS basic strategy
6 Six card unbusted hand wins automatically C circa
678 Any 6-7-8 pays double or there is a bonus for this hand D double
777 Any 7-7-7 pays double or there is a bonus for this hand e.g. for example
All Lose all on doubles or splits if dealer has BJ et al and others
B Bonuses may be available EV expected value
C Coupons may be available H hit
Col Casino collects a fee per hand, generally at least 1% HA house advantage
DA Double down on any two or more cards - See DSA i.e. that is
DAce Double but not hit after splitting aces J Jack
DC17 Dealer's choice on whether to hit or stand on S-17 K King
DE / DX Double Exposure LVS Las Vegas Strip
DOA Double on any first two cards - See D2 OOP Out Of Print
DS / DAS Double after splits allowed OU over/under side bet
DSA Double after splitting aces - See DACE P split
D2 Double on any first two cards - See DOA PA player advantage
D3 Double on first three cards PE playing efficiency
D4 Double on first four or fewer cards Q Queen
D8 Double on 8, 9, 10, 11 and generally soft hands ROR Risk Of Ruin
D9 Double on 9, 10 or 11 S stand
D10 Double on 10 or 11 TBD to be determined
D11 Double on 11 only Vs versus
ENHC No-hole card (European Rules) - See NH X ten valued card
ES Early surrender
ES10 Early Surrender against 10, late surrender against others = equals
FD Face down game shoe game. > is greater than
FU Face up single or double deck game > is greater than or equal to
H-17 / H17 Dealer hits on soft 17 rule < is less than
HSA Hit after splitting aces < is less than or equal to
I A reference to an American Indian casino
Joker One or more jokers are in the pack
LS Late surrender
MA Multiple-Action blackjack
NH / NHC No-hole card (European Rules) - See ENHC
NI No Insurance
NM No mid-shoe entry
NMM No mid-shoe entry and no spreading to multiple hands
NMO No mid-shoe entry on request
NMS In mid-shoe you cannot go from two to one to two hands
NOBJ If dealer has Ace and 10, the hand plays as ordinary 21
NR / NRS No ReSplits
NSJQ No splits of unlike 10-valued cards
NS10 No splits of any 10-valued cards
OU / O/U Over Under 13 sidebet
PB Player banked game
PK Dealer manually peeks under 10 valued cards
Push Dealer wins pushes
RS# Resplit non-Aces to # number of hands
RSA Resplit Aces
RSA3 Resplit Aces once only to make 3 hands
RB Red/Black sidebet
RM Royal Match 21 sidebet
S-17 / S17 Dealer stands on soft 17 rule
SC Card used to determine shuffle point in 1 or 2-deck games
Shoe 1 or 2-deck game cards are dealt from a shoe
Slot Slot machine
SP21 / Spanish Spanish 21 rules - All tens removed from deck
STBJ Ten-Ace after splitting tens pays 3:2
T / Toke Dealers keep their own tokes
UR / URS Unlimited resplits of non-aces
* Other special/unusual rules
#Xx Number of tables available
¢ Low stakes only ( typically < $25)
$25 Minimum bet $25 usually
$ High stakes only ( typically > $100)


P E N E T R A T I O N   N O T E S

A or blank Average penetration
P or B Poor or Bad (Typically < 65%)
G Good (Typically > 75%) 
V Varies or conflicting information was received

* Stanford Wong's Current Blackjack News is the source for many of the keys shown in this table.

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Last Update 06/17/01