As my blackjack appendix 9 shows, a 2-card soft 18 vs A has an expected value of hitting of -0.100359, and of standing -0.100502. So with two cards it is very slightly better to hit. However, not all soft 18's are composed of two cards. The more the cards in the player's hand the more the odds favor standing.
Note from the BlackjackInfo.com editor: There are indeed only a handful of changes in strategy between the 6-deck and the 2-deck game. In a 2-deck S17 game: Split 77v8, Split 66v7, and Double 9v2. If the game is H17, also double A3v4. My point is that you can move back and forth between DD and 6D games and not worry that you’re playing improperly, but the big question is whether or not you should.
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2. Game strategy. There are many different blackjack strategies that have been developed by different players. As a blackjack player you will choose one of the following strategies after the initial deal, these include stand, hit, doubling down, pair splitting, even money or surrendering.
But, surprisingly, there isn’t that much to gain in overall advantage by going from a 1-8 spread to a 1-12 spread in our “core” game, which is 2 decks, the dealer hits A-6, you may double on any first two cards, including after splitting pairs and no surrender is allowed. Even if you can find a game where 60 cards of the 104 are dealt (57% penetration) a 1-8 bet spread that consists of betting one unit at a True Count (TC) of 1 or less, two units at 2, four units at 3, six units at 4 ...
You see, these four conditions are in fact very simple to follow through with. Assigning a card value is the simplest. Most players go with the following values in their blackjack strategy: 2-6 = +1 ; 7-9 = 0 ; 10-Ace = -1 ; Once you have the values, all you have to do is pay attention and count the cards.
Blackjack Basic Strategy Chart: 2 Decks, Dealer Hits Soft 17 (2-sided card) [Kenneth R Smith] on Amazon.com. *FREE* shipping on qualifying offers. Blackjack Basic Strategy Chart: 2 Decks, Dealer Hits Soft 17 (2-sided card)
The double-deck blackjack chart is identical for around 270 out of 280 decisions, but deviates from single-deck strategy in a number of situations when doubling or surrendering is possible. The biggest deviation is with a pair of 7s, which with 2 decks should be hit against a 10, but surrendered or stand in a 1 deck game.
With the 2-1-2 strategy, players will win a bit more with a hot run yet not sacrifice all of their winnings. Oscar’s System – Blackjack Betting Strategies. Oscar’s System was proposed in the 1960’s in a book by mathematician Dr. Allan Wilson. It is a fairly decent system. The goal of the strategy is to win exactly one unit per series.