Blackjack Double Deck Chart

• Appendices
• Miscellaneous
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Double Deck Blackjack Strategy Chart

The double-deck blackjack chart is identical for around 270 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. At 4.5 deck penetration reKO has 100.1% of the performance of KO. At 5.0 decks penetration, the percentage is 100.3%. Note: The indexes were improved since this chart was created and REKO now has better results at higher penetrations. The third chart is for double deck, S17, DAS. KO slightly beats reKO. Learn how to read a blackjack strategy chart and find examples of a 2 deck black jack strategy charts to use while playing online blackjack games. Double deck blackjack basic strategy chart from Blackjack Review. Fine points include whether the dealer hits soft-17 and allows double after splits. Players playing on the Evolution Gaming’s Live Blackjack tables have requested a separate chart as the dealer will check for Blackjack if the face-up card is an ace. This slightly changes how you approach optimal play on the Evolution Blackjack tables, so we’ve created a separate Evolution Blackjack chart adjusting to how you play your 10(s).

Introduction

To use the basic strategy, look up your hand along the left vertical edge and the dealer's up card along the top. In both cases an A stands for ace. From top to bottom are the hard totals, soft totals, and splittable hands. There are two charts depending on whether the dealer hits or stands on soft 17.

Other basic strategy rules.

• Never take insurance or 'even money.'
• If there is no row for splitting (fives and tens), then look up your hand as a hard total (10 or 20).
• If you can't split because of a limit on re-splitting, then look up your hand as a hard total, except aces. In the extremely unlikely event you have a pair of aces you can't re-split and drawing to split aces is allowed, then double against a 5 or 6, otherwise hit.

Blackjack Double Deck Strategy Chart

Ideally, the basic strategy shows the play which, on average, will result in the greatest win or the least loss per initial hand played. The way I usually go about this is to look at the initial 2-card hands only. Generally, this will result in the overall best play. However, soft 18 against a dealer ace when the dealer stands on soft 17 provides the only known exception that I am aware of for any number of decks. 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. Simulations show that if forced to always hit or always stand, it is better to stand. I would like to thank Don Schlesinger for bringing this unusual play to my attention.

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Double Deck Blackjack Chart

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