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Best of John Grochowski

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Online Blackjack

3 May 2020

QUESTION: I don’t live in one of the legal online gambling states, so I’ve just been playing a little here and there on social casino apps. I mostly play blackjack in casinos, but I’ve been playing slots to break the monotony.

Still, blackjack is my No. 1, and I’ve been thinking. I’ve heard that a lot of the for-money online blackjack games are six decks but a new shuffle for every hand. That would mean you can’t count cards and the odds would be the same on every hand, right?

If that’s the case, why bother to make it six decks? Couldn’t they accomplish the same thing with a single-deck shuffled for every hand?

ANSWER: With a fresh shuffle for every hand, you can’t count cards to seek opportune times to raise your bets. The odds are the same to start every hand.

That doesn’t mean single-deck and six-deck games are equivalent. Given equal rules, six-deck games have house edges a little less than half a percent higher than one-deck games.

In large part, that’s because blackjacks occur more frequently with fewer decks. That’s true for both players and dealers, but players are paid 3-2 (or, in bad games, 6-5) on their blackjacks, while the house just wins even money.

If your first card is an Ace, there are 51 other cards in a single-deck game. Sixteen of them, or 31.4 percent, are 10-values that will complete a blackjack. In a six-deck game, there are 311 cards other than your Ace, and 96, or 30.9 percent, are 10-values.

With a first-card Ace, a higher percentage of other cards will complete a blackjack with one deck in play than with six.

Similarly, with a first-card 10, four of 51 cards, or 7.8 percent, are Aces that will complete a blackjack in a one-deck game. With six decks, 24 of 311 cards, or 7.7 percent, are Aces.

Double down situations also are more favorable with fewer decks. Example: If you’re dealt 6-5, 16 of 50 other cards in a single-deck game are 10-values that will give you 21 on your double. That’s a 32-percent shot at 21. With six decks, 96 of 310, or 30.97 percent, are 10 values.

That doesn’t mean single-deck games always are better deals. Negative rules such as 6-5 pays on blackjacks, dealer hitting soft 17 and restrictions on doubling down or splitting pairs can take down a one-deck game. Positive rules such as surrender, dealer standing on all 17s and ability to resplit Aces can lift a six-deck game.

But if rules are equal, six-deck games have higher house edges than one-deck games.


QUESTION: At the end of a long day at the casino with my wife and some friends, I decided to take the plunge and try craps.

I’d read that placing 6 and 8 were good bets, so I told the dealer I wanted $5 on each. He told me I wanted $6 on each and should put out another $2. I found out later those bets pay 7-6 and I’d have only gotten even money with $5 bets.

But what if my bankroll will only handle $5?

ANSWER: If you’re so short bankrolled that you can’t afford to bet in multiples of $6, my advice would be to stay away from placing 6 and 8. With a $6 bet, the house edge is 1.52 percent. With a $5 bet, it’s 9.09 percent.

If you’re limited to $5 bets, 6 and 8 are the worst of the place bets instead of the best. Explore other bets, starting with pass (1.41 percent) and don’t pass (1.4 percent).
Recent Articles
Best of John Grochowski
John Grochowski
John Grochowski is the best-selling author of The Craps Answer Book, The Slot Machine Answer Book and The Video Poker Answer Book. His weekly column is syndicated to newspapers and Web sites, and he contributes to many of the major magazines and newspapers in the gaming field, including Midwest Gaming and Travel, Slot Manager, Casino Journal, Strictly Slots and Casino Player.

Listen to John Grochowski's "Casino Answer Man" tips Tuesday through Friday at 5:18 p.m. on WLS-AM (890) in Chicago. Look for John Grochowski on Facebook and Twitter @GrochowskiJ.

John Grochowski Websites:

www.casinoanswerman.com

Books by John Grochowski:

> More Books By John Grochowski

John Grochowski
John Grochowski is the best-selling author of The Craps Answer Book, The Slot Machine Answer Book and The Video Poker Answer Book. His weekly column is syndicated to newspapers and Web sites, and he contributes to many of the major magazines and newspapers in the gaming field, including Midwest Gaming and Travel, Slot Manager, Casino Journal, Strictly Slots and Casino Player.

Listen to John Grochowski's "Casino Answer Man" tips Tuesday through Friday at 5:18 p.m. on WLS-AM (890) in Chicago. Look for John Grochowski on Facebook and Twitter @GrochowskiJ.

John Grochowski Websites:

www.casinoanswerman.com

Books by John Grochowski:

> More Books By John Grochowski