Whats An Ace In Blackjack

  1. What's An Ace Worth In Blackjack
  2. One Player Blackjack
  3. Play Blackjack For Free
  4. What Number Is Ace In Blackjack

As the dealer, the basic rules of blackjack still apply. Cards 2 through 10 are worth their face value. The jack, queen and king are worth 10 points each. The ace has a value of either 1 point or 11 points.

So, what is a rummy in blackjack?

  • Blackjack Card Values and How They Come Into Play. What kinds of cards make up a deck? If you’re new to card games, this might be unknown to you still. If you’re just trying to learn.
  • A natural blackjack is only 4.8%, which essentially is an ace dealt with a ten card straight off the initial deal. Normally the odds are 3 to 2 and you would win $3 for every $2 wagered. It's a small percentage.
  • An ace is considered hard or soft only when the cards add up to 21 or less. The ace is forced to a 1 (hard) designation when the other cards, when added up, exceed 10. Example: my first card is an ace, my.
  • Blackjack is played with 1 to 9 decks of 52 cards each. The values of the cards correspond to their numerical value from 2-10. All face cards (Jack, Queen, King) count 10 and the Ace either 1 or 11, as.

The word has multiple blackjack implications.

But the way the question is phrased, it usually refers to a side bet that you can make. I’ll explain that below.

Then I’ll explain other uses of the word rummy as it relates to blackjack.

So, what IS a rummy in blackjack?

A rummy in blackjack consists of 3 cards of the same rank, 3 cards of adjacent ranks, or 3 cards of the same suit — the 3 cards consists of your 1st 2 cards and the dealer’s up-card.


The rank is the number or character on the card. For example, if you have a 4, 4, and the dealer has a 4, too, you have a rummy.

Adjacent ranks are just the numbers next to each other according to the card ranks, as follows: A, 2, 3, 4, 5, 6, 7, 8, 9, 10, J, Q, K, A.For example, if your 2 cards are the 7 and 8 (of any suit), and the dealer has a 9, you have a rummy.

The suit is the club, diamond, heart, or spades symbol on the card. For example, if you have the 7 and 8 of hearts, and the dealer has an ace of hearts, you have a rummy. In poker terms, this is a 3-card flush.

5Rummy Blackjack Odds, the House Edge, and Basic Strategy

Why Does a Rummy Matter in Blackjack?

In some casinos, you can place an optional side bet called a “rummy bet.” If you get a rummy, you get a payout that varies by casino, but it’s often in the range of 9 to 1.

If you don’t get a rummy, which is most of the time, you lose that side bet.

Also, you should know that regardless of whether you win or lose the rummy side bet, the rest of the game plays out normally. The rummy side bet doesn’t affect the main action, and the main action doesn’t affect the rummy bet.

Rummy Side Bet Odds

Assuming the payout is 9 to 1, the house edge for the rummy side bet is 4.14% (according to Bovada).

Those are terrible odds, by the way. This should surprise no one. Side bets in blackjack are almost always terrible.

The house edge for the main game in blackjack is below 1%. That assumes you’re using perfect basic strategy, which isn’t hard to do anyway.

Generally, you should stick with bets that have a lower house edge rather than a higher house edge.

It’s a common side bet available at sportsbook-associated online casinos like 5Dimes and Bovada.

Rummy – The Costa Rica Blackjack Alternative

In Costa Rica, blackjack is illegal. To try to get around this, many casinos in Costa Rica offer a variation of rummy as an alternative.

Here’s how to play casino rummy in Costa Rica:

What's An Ace Worth In Blackjack

You play rummy at a blackjack-sized table with a dealer and room for 7 players. The rules vary by casino, but these are pretty standard.

The dealer uses between 4 and 6 decks of standard playing cards. You get 2 cards, just like in blackjack, but you DO NOT get a 3 to 2 payout for a blackjack.

The points are still determined the same way as in blackjack. The ace and the 10 (or a face) card still count as 21 points.

The dealer is required to stand on a soft 17 or higher. You’re allowed to take early surrender, and you can double down on any 2 cards — even after splitting.

You can also re-split pairs, including aces, but with a limit of 4 hands.

You are NOT allowed to hit split aces, though.

And instead of the bonus payout for the blackjack, you get bonuses if you have a 3 of a kind or a 3-card straight flush, as follows:

  • 3 of a kind pays off at 3 to 1, but it pays off at 5 to 1 if it’s suited or if the 3 cards total 21.
  • A 3-card straight flush pays off at 3 to 1, but it totals 21, you get 5 to 1.

Also, you get the bonus payouts even if you bust.

The bonus payouts apply to your total amount bet after doubling.


If you split earlier in the hand, you don’t get a bonus payout at all.

How to Play Rummy Blackjack

If you don’t know anything at all about how to play blackjack, here’s how it works:

The dealer gives you 2 cards and also takes 2 cards for herself. She deals one of her cards face-up, so you know what cards you have and you know one of the cards she has.

Any total of 22 or higher is a bust.

The cards are worth their ranking — a 7 of spades is worth 7 points.

The face cards are each worth 10, and the ace is worth 1 or 11.

Your goal is to beat the dealer. You do this by having a total higher than the dealer or by still being in the hand when the dealer busts.

You act first, and you decide whether to take additional cards (hitting) or stand on the total you have.

And, you also have the option of doubling down or splitting.

To double down, you double the size of your bet and take one (and exactly one) more card.

To split, you must have 2 cards of the same rank. You put up an additional bet, and the 2 cards each become the 1st card of 2 new hands.

Rummy Blackjack Odds, the House Edge, and Basic Strategy

You measure the odds in a casino game by the house edge. That’s a long-term estimate of how much you’re expected to lose on each bet. In blackjack games, including Costa Rica rummy, the house edge assumes you’re playing the game with optimal strategy.

That’s called basic strategy.

In Costa Rica rummy, the house edge is 1% if you play with perfect basic strategy.

That’s a great number — the casino games with the worst odds have a house edge over 30%.

Most gamblers deviate from basic strategy on a hunch or because they don’t have it memorized.

This adds between 2% and 4% to the house edge, so it’s in your interesting to memorize basic strategy.

Luckily, for rummy blackjack, basic strategy is easy:


The 1st task is to see if you have a hand you can split. This means you must have a pair. You’ll never split these pairs:

  • 2s
  • 3s
  • 4s
  • 5s
  • 10s

You’ll split the following pairs in the following situations:

  • 6s if the dealer has a 5 or 6 showing
  • 7s if the dealer has a 4, 5, or 6 showing
  • 8s if the dealer has an 8 or lower showing.
  • 9s if the dealer has a 9 or lower showing (with the exception if the dealer has a 7)
  • aces unless the dealer has an ace showing

Hard and Soft Hands

If you don’t have a pair, you play your hand based on whether you have a hard or soft total. A soft total is one in which you have an ace that you can count as 1 or 11. Infinity slots free online casino slots machines.

One Player Blackjack

If you don’t have an ace, or if you have an ace that must count as 1 to keep from busting, you have a hard hand.

Here’s how you play your soft hands:

  • Always hit a soft 12 or lower.
  • Hit a soft 13 unless the dealer has a 5 or 6 — in those cases, double down.
  • Hit a soft 15 or 16 unless the dealer has a 4, 5, or 6 — in those cases, double down.
  • Also, hit a soft 17 unless the dealer has a 3, 4, 5, or6.
  • Stand on a soft 17 unless the dealer has a 9 or higher, in which case, hit.
  • Always stand on a soft 19 or higher.

Here’s how you play your hard hands:

  • Always hit any hard total of 8 or lower.
  • Hit a hard 9 unless the dealer has a 3, 4, 5, or 6 — in that case, double down.
  • Double down on a hard 10 or 11 unless the dealer has a 10 or ace — in that case, just hit.
  • Hit a hard 12 if the dealer has a 2, 3, 7, 8, 9, or 10. Otherwise, stand.
  • Stand on a hard 13, 14, 15, or 16 if the dealer has a 6 or lower. Otherwise, hit.
  • Always stand on a hard 17 or higher.

If you want to learn more about the house edge, check out Tim’s post about how expected value can be negative or positive.

You can decide how much money to bring to the casino by understanding the game, the house edge, and its volatility. Read more about that here.

Where to Go Next

If you want a more detailed basic strategy with no mistakes, visit the Wizard of Odds page on the subject. He offers a convenient colored strategy table.


That’s about everything you could hope to want to know about what a rummy in blackjack is. That covers both the side bet that’s often available at sports books. And it also covers the Costa Rica game that’s supposed to be a substitute for real blackjack.

If you’re looking for something easier to learn, check out my post about the easiest casino games to learn.

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Ace-seven is by far the most difficult hand for the professional blackjack player to handle. Depending on what the dealer is showing, you will either hit, stand, or double down.

Basic Strategy tells us that we should double if the dealer is showing 3 through 6, stand on 2, 7, and 8, and hit on 9, 10, and A. This may come as a shock to some since common sense tells us to stay with an 18 regardless of what the dealer has. Let's look at the math behind the strategy.

First, we must look at A-7 as a plain old 18. Basic Strategy dictates that we stand on a pat 18 regardless of what the dealer is showing; we want to get to 17 or higher and then let Lady Luck determine the outcome. This isn't necessarily the case for a soft 18.

  • If the dealer is showing a 2, the return on an 18 is $.12 for each dollar invested.
  • For 3 through 6, this jumps up ranging from $0.40 to $0.50 per dollar.
  • 7 is also $0.40.
  • At 8, it goes back down to $0.11.
  • 9 through A plummets into a negative return of $0.18 to $0.10 loss per dollar.

So is it really worthwhile to go against the common sense factor and hit an 18 if the dealer is showing 9-A?

  • Hitting A-7 on a dealers 9 gives us a negative return of $0.10,
  • 10 a negative return of $0.14, and
  • Ace a negative return of $0.09.

The spread here, while not seeming like much, is less than the -$0.18 to -$0.10 return of staying. To minimize the damage, hitting on these cards is a necessity.

Doubling is the third option with this hand. In this case, you count the hand as an 8 and pray for a 9 or 10, or you count it as an 18 and hope for an Ace through 3.

First of all, doubling when the dealer is showing:

  • 9 through A gives us a -$0.29 to -$0.36 return, far greater of a loss than hitting. So doubling on those cards is out of the question.
  • Doubling on 8 is also a negative return (-$0.03), whereas it's a positive return to hit. Again, out of the question.
  • Doubling on 7 is a positive return of $0.22, which is less than the $0.40 you will get with staying. If the dealer is showing a 7, it makes economic sense to stand.
  • Doubling on the dealer's 2 is also $0.12 return, but it is less than a cent less difference of a return than standing. In the long run, this adds up to major dollars, believe me. You will want to stay rather than risking the double in this case.
  • That leaves 3 through 6. The math here gets tricky, so pay careful attention. The numbers above regarding standing on 18 don't take into account the power of the Ace. As you know, the Ace can be counted as either a 1 or an 11, and because of this, hitting on A-7 is not nearly as dangerous as hitting a pat 18. In fact, the 23% (3/13) chance of drawing a card to better your 18 makes the diminished return on doubling the right move.

While the return ranges from $0.18 to $0.38 (compared to the $0.40 to $0.50 of staying), the 23% odds of improving plus the doubled amount of money pumped into the hand make doubling the most profitable choice.

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