Although Blackjack is played in a similar way across al casinos - online and land based, there are several rules that vary between the different casinos. These are the Blackjack rule variations.
Rule variations are extremely important as they may have a significant affect on the way the game is played and most important, on the house edge - the odds advantage that the casino has on the players.
Therefore, before you join a Blackjack table it is very important to know which rule variations are used in it, and their effect on the house advantage, hence your chances to win. Some of the variations are presented on the Blackjack table, but others are not transparent and you will have to ask the dealer to know them.
Here is a list of the rule variations, split according to their effect on the house Edge:
Here are the rule variations of the Blackjack game as it is played in the main casinos:
Locations: played in land based casinos across Europe
Rule Variations:
Game is played with 6 decks of cards
The dealer stands on soft 17
The dealer gets no Hole Card
The player can Double Down only when the two initial cards total 9, 10,11
The player may Double Down after splitting
The player may Resplit
No surrender option is available
Locations: played in Las Vegas Strip
Rule Variations:
Game is played with 4 decks of cards
The dealer stands on all 17s
The player can Double Down on any two initial cards
The player cannot Double Down after splitting
The player cannot Resplit
Locations: played in Atlantic City
Rule Variations:
Game is played with 8 decks of cards
The dealer stands on all 17s
The player may Double Down on any two initial cards
The player may Double Down after splitting
The player may Resplit