Blackjack Types

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Types of Blackjack Strategies. The blackjack system you might use really depends on the type of game that you are playing. Whether you prefer to play at a land-based or an online casino also affects the type of strategy you might use. Although card counting is quite popular, it is quite impossible to use it at virtual casinos since most online. There are three types of blackjack: ordinary, offensive (also known as attack), and defensive. Although the blackjack types are functionally the same and can all be used to lure/knockout specific NPCs, they each provide different combat bonuses, as well as higher tier blackjacks being capable of stunning enemies for longer if used in melee combat 1. However, many of the Blackjack tables have different variants that put a different spin on the game. If you prefer a game with a real deck of cards, check out the many Live Dealer Blackjack rooms. You’ll be able to play at the table with punters from around the world and watch as the dealer passes the cards around the table. For example, blackjack is considered a skill game. Slots are a game of chance. The difference between skill games and games of chance is there’s more or less a right and wrong way to play games of skill, and if not right or wrong, then definitely optimal and not optimal.

  • Appendices
  • Miscellaneous
  • External Links

Introduction

Blackjack switch is a blackjack variant which allows the player to do what is normally considered a classic cheating manoeuver, trading cards between two hands. The player must make two bets of equal size and is allowed to switch the second card dealt to each hand. Of course, nothing good comes without a trade-off. In this case a dealer 22 results in a push against all non-busted hands and blackjacks pay even money.

The game goes by the name Blackjack Exchange at the Bregenz Casino in Austria.

Blackjack

Rules

  • All rules are based on conventional blackjack unless otherwise noted.
  • Six or eight decks are used.
  • Dealer usually hits a soft 17. I hear in Ontario, Canada, the dealer stands on soft 17.
  • The player must make two bets of equal size.
  • Cards will be dealt face up.
  • Dealer will peek for blackjack with an ace or ten up. If the dealer has a blackjack all player hands will immediately lose, except a player blackjack will push.
  • The player may switch the second card dealt to each hand. For example, if one hand has 5,10 and the other has 10,6, the player may switch the 10 and 6 to have two hands of 11 and 20. The player may also switch cards to form a blackjack.
  • If the player switches to a blackjack, it counts as 21 points.
  • Player may double on any 2 cards.
  • Player may double after a split.
  • Player may resplit up to four hands.
  • Winning player blackjacks pay even money.
  • A dealer total of 22 will push against any player total of 21 or less. A player blackjack will still beat a dealer 22.

Russian Rules: Same as the rules above, except early surrender allowed (sometimes not against an ace), dealer does not take a hole card, and dealer stands on soft 17.

Playing Strategy

The following tables show the basic strategy under the 8-deck Las Vegas rules after the switch decision has been made. The reason for the differences compared to conventional blackjack strategy is the push on 22 rule.

If 6 decks are used the player should double 9 against a 5.

At this time I have not created a strategy for the Russian rules or Ontario rules.

Simple Switching Strategy

The following is the 'Cindy Liu Simple Switching Strategy,' appropriate under the Las Vegas rules. It is based on the following list of hands in order of strength:

Types
  1. 21
  2. 20
  3. 19
  4. AA
  5. 11
  6. 10
  7. 9
  8. 18 or 8
  9. 8,8 with 2-8 up
Blackjack Types

Following is how to use it.

  1. Against a dealer 7 or 8, balance the hands, by making the weaker hand as high as possible, using the above scale of hands, if you can.

  2. Against any other dealer up card, maximize the strength of the higher hand, using the scale above, if you can.

  3. If you can't achieve one of the desired hands in the list, then make the strongest hand possible from the following list, in order of strength:

    • 7 or 17
    • any hand that should be split
    • any 12
    • any 13

  4. Exceptions:

    • With A,A + 3,8 — keep the aces together.
    • With A,A + 2,9 — keep the aces together if the dealer has 2-6
    • With A,A + 2,8 — keep the aces together
Blackjack Types

The simple strategy, compared to optimal strategy, results in a cost of errors of 0.17%. It results in an error once every 18.6 hands, and an error with an expected value of more than 10% once every 82 hands.

Advanced Switching Strategy

The following is the 'Cindy Liu Advanced Switching Strategy,' appropriate under the Las Vegas rules. To use it, add up the points for each hand for both ways to play them, and play the one with the greater number of points. In the case of a tie, use the the simple strategy.

Let's look at an example. Suppose you have 8+4 and A+8 against a dealer 6, where the underlined card is the second one dealt. So you can play (1) 12 and soft 19, or (2) 8-8 and soft 15. Which pair of hands is better? According to the table, the 12 is worth 0 points and the soft 19 is worth 1, for a total of 1. For the alternative, 8-8 is worth 1 and the soft 15 is worth 1, also for a total of 2. So the odds favor switching to 8-8 and soft 15. Note that the simple strategy would incorrectly advise the player to not switch. My Blackjack Switch appendix 1 shows that the combined expected value of 12 + soft 19 is -0.2108+0.3634=0.1526, and 8-8 + soft 15 is higher at 0.1461+0.0365=0.1824.

The cost of mistakes in the advanced strategy, compared to optimal strategy, is 0.08% only. The player will make an incorrect decision once every 24.5 hands, and a mistake with an expected value over 10% once every 250 hands.

I also have a printer friendly version (PDF) of both switching strategies, as well as the basic strategy.

Arnold Snyder Switching Strategy

The Big Book of Blackjack by Arnold Synder contains an easy and intuitive switching strategy. Out of respect for copyright, I won't say more than that about how it works. According to Cindy Liu, the Sndyer strategy results in a cost of errors of about 0.2% compared to optimal strategy. Besides that, I highly recommend the book for breaking new ground in blackjack, which is not easy to do any more.

Switching Calculator

My Blackjack Switch calculator, courtesy of Jing Ding, will advise when to switch in any situation. The calculator is based on the Playtech rules and an infinite deck assumption.

House Edge

Under the standard Las Vegas rules, with six decks, the dealer hits a soft 17, and a switched blackjack counts as 21 points, the house edge is 0.58%, assuming optimal strategy. Follow are the effects on the house edge of some rule variations:

  • Eight decks: +0.02%
  • Switched blackjack automatically wins: -0.40%
  • Blackjack automatic winner: -0.21%
  • Dealer stands on soft 17: -0.30%
Types

The house edge under the Russian rules is 0.20%, assuming early surrender against an ace is allowed.

Side Bet

There is also a Super Match side bet based on the player's initial four cards. The following table shows the paytable, probability, and return of each hand:

Super Match Side Bet

HandCombinationsProbabilityPaysReturn
Pair1364014080.35220510.352205
3 of a kind75778560.01956750.097835
2 pair59417280.01534280.122738
4 of a kind1381380.000357400.014268
Nothing2372198400.612530-1-0.612530
Total3872789701-0.025485

The lower right cell shows a house edge on the side bet of 2.55%.

C4

The Casino Bregenz in Austria offers Blackjack Switch under the name Blackjack Exchange. They add a side bet called the C4, which is based on the poker value of the player's initial four cards. The table below shows a house edge of 14.32%, based on six decks.

C4 — Six Decks

EventPaysCombinationsProbabilityReturn
Four of a kind500138,1380.0003370.168425
Straight203,649,5360.0088990.177988
Flush125,647,8960.0137720.165269
Two pair105,871,5280.0143180.143177
Three of a kind87,502,9760.0182960.146368
All other-1387,278,4200.944378-0.944378
Total410,088,4941.000000-0.143152

Blackjack Bet Types

With four decks, the house edge of the C4 is 18.02%. With eight decks it is 12.40%.

Other Switch Pages

  • Printer friendly basic and switching strategies (PDF).
  • Appendix 1: Expected value table for each initial hand, for purposes of making accurate switching decisions.

Acknowledgements

My thanks to Cindy Liu for both her simple and advanced switching strategies, Jing Ding for his switching calculator, and to Gabor for his mathematical contributions.

External Links

  • German translation of this article.
  • Interview with the inventor of Blackjack Switch Geoff Hall

Written by: Michael Shackleford

ENCYCLOPEDIA OF BLACKJACK

A countless number of blackjack systems and methods (blackjack types) have appeared over the years. Many have been proven worthwhile for exploiting the profit potential of this game. Others, however, are probably not worth even mentioning. For example, all the progressive betting system Progressive Betting System

These methods are worthless unless you are using them for cover.

'>{PBS} type strategies mentioned are for historical purposes only and to inform the reader of their existence. It has been proven time and time again that no betting system alone can overcome the house’s advantage in blackjack or in any casino game, for that matter.

The following keys are enclosed within { } when used elsewhere in this book:

Basic Strategy

A mathematically derived and computer proven system providing the optimal way of playing any hand and based only on the values of the player’s cards and dealer’s up-card.

'>{BS}		Basic Strategy– A mathematically derived and computer proven system providing the optimal way of playing any hand and based only on the values of the player’s cards and dealer’s up-card.
Progressive Betting System

These methods are worthless unless you are using them for cover.

'>{PBS}		Progressive Betting System – These methods are worthless unless you are using them for cover.
Rank Count System

A simplified counting system taking into account only one or two card values.

'>{RCS}		Rank Count System– A simplified counting system taking into account only one or two card values.
Ten Count System

A system based on the ratio of ten valued cards to non-tens. A ten count system can give perfect insurance decisions.

'>{TCS}		Ten Count System– A system based on the ratio of ten valued cards to non-tens. A ten count system can give perfect insurance decisions.
Point Count System

A card counting system in which a card is assigned a value, either positive, negative, or zero, as it is played.

'>{PCS}		Point Count System– A card counting system in which a card is assigned a value, either positive, negative, or zero, as it is played. Check out the Card Counting System Comparison chart.
Point Count System / Level 1 (Example Hi-Lo)

A card counting system in which a card is assigned a value, either positive, negative, or zero, as it is played.

'>{PCS/L1}		Point Count System / Level 1 (Example Hi-Lo)
Point Count System / Level 2 (Example Hi-Opt II)

A card counting system in which a card is assigned a value, either positive, negative, or zero, as it is played.

'>{PCS/L2}		Point Count System / Level 2 (Example Hi-Opt II)
Point Count System / Level 3 (Example DMPro)

A card counting system in which a card is assigned a value, either positive, negative, or zero, as it is played.

'>{PCS/L3}		Point Count System / Level 3 (Example DMPro)
Point Count System / Level n'>{PCS/Ln}Point Count System / Level n
Point Count System / Ultimate (Example Griffin Ultimate)'>{PCS/U}Point Count System / Ultimate (Example Griffin Ultimate)

Counting Strategy – Techniques and methods used to optimize a traditional

Shuffle Tracking System– And other techniques based on proven card location strategies.

Real World Conditions Strategy– Methods based on the hypothesis that dealer and player biases exist due to the effects of non-random shuffles. Some RWC labeled methods listed in this book also include progressive betting requirements. It is the opinion of the author of this book that these methods are worthless unless you are using them for cover.

Hole Card Strategy– Techniques used to determine the dealer’s hole-card including tell play. Also included are strategies related to knowing the next card out of the deck(s).

Cheating Strategy – For your own protection, you should be aware of these techniques, however, I do not wish to encourage any player to cheat.

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