Blackjack Variants, and the Pattern They All Share
Updated
There are dozens of blackjack variants and they share one design principle: a feature you notice, funded by a rule you do not. Once you can see the trade, you can price a game you have never met before in about thirty seconds.
- Every variant gives something visible and takes something quiet.
- The most common quiet takes: 6:5 payouts and the dealer pushing on 22.
- “Dealer pushes on 22” sounds neutral. It is very expensive.
- A variant with a lower house edge you play wrongly is not a lower house edge.
The pattern, with examples
Spanish 21 gives you a player 21 that always wins and bonuses for long hands. It takes away every ten in the deck — which we computed costs 2.18%.
Free Bet Blackjack gives you free doubles and splits. It takes a dealer 22 becoming a push instead of a bust.
Lightning Blackjack is the purest version of the pattern, because the bill is not hidden in a rule at all — it is a fee equal to your whole bet, charged up front on every hand. Power Blackjack gives you triple and quadruple doubles and takes every nine and ten out of the shoe.
Blackjack Switch lets you swap cards between two hands — a genuinely large gift. It takes a 22 push and even money on blackjacks.
Double Exposure shows you both dealer cards, which sounds decisive. It takes 3:2 payouts and gives the dealer all ties.
The shape is identical every time. When a game advertises a rule that helps you, the question is not whether there is a catch. It is which catch.
Here is every one of them priced. Each figure is ours, computed by switching that one rule on or off in the same engine:
| Variant | What you are given | What pays for it |
|---|---|---|
| Blackjack Switch | swapping cards, 9.29 points | dealer pushes on 22, 6.95, plus even-money blackjacks |
| Double Exposure | both dealer cards, 9.85 points | dealer wins every tie, 7.83, plus even-money blackjacks |
| Zappit | throwing a stiff hand away, 6.36 | dealer pushes on 22, 6.95 |
| Free Bet | free doubles 4.19, free splits 1.94 | dealer pushes on 22, 6.95 |
| Spanish 21 | player 21 always wins, long-21 bonuses | every ten removed, 2.18 |
| Power Blackjack | triple and quadruple doubles | every nine and ten removed, 2.09 |
| Lightning | multipliers on winning hands | a fee equal to your whole bet, every hand |
| Super Fun 21 | eight separate generous rules | blackjack pays even money, 2.27 |
| Australian Pontoon | the Spanish 21 bonuses | no hole card, plus the missing tens |
One game on the list breaks the pattern, and it is worth knowing why. Chinese Blackjack has no house edge at all, because there is no house — players bank against each other in turn. Remove the operator and the whole gift-and-catch structure disappears with it.
Read down the two right-hand columns and the design is impossible to miss. In four of the seven the catch is worth more on its own than the headline gift, and the game is only playable because a second, smaller gift sits alongside the first.
Why “dealer pushes on 22” is the expensive one
Standing on a stiff hand only wins when the dealer breaks, and 22 is the most common bust. Converting those into pushes removes a large share of the hands you win by standing — while you keep every hand where you busted first.
It is the perfect casino rule: it sounds like a small technicality, it is buried in the rules screen rather than printed on the felt, and it is worth more than most players would believe.
How to price a variant you have never seen
1. Find the payout. If naturals pay less than 3:2, start 1.36% in the hole.
2. Look for a push rule. Anything that converts a dealer bust into a tie is expensive.
3. Ask what the bonus actually costs the house. A rule that fires once in a thousand hands is decoration.
4. Ask whether you know the strategy. If not, the published edge does not apply to you. This is the step people skip, and it is usually the largest.
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By Martin Kosek · every number on this site is computed by us, not copied.
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