Spanish 21 House Edge
With few Spanish 21 Vs Blackjack House Edge rules and the lowest house edge in any casino game, blackjack is one of the easiest games to learn and win. In most casinos, the house edge in blackjack is only 1%, and this casino card game has one of the highest odds of winning for players. Spanish 21 (SP21) is popular in the Pacific Northwest, arguably more so than the standard mediocre blackjack offerings in the same card rooms/mini-casinos.I find myself wondering why and then thinking about the other blackjack variants being introduced and their potential. I view SP21 as a successful blackjack variant as it has stood the test of time and it is not at all unusual to find more.
- Spanish 21, or as our friends down under like to call it – Pontoon; is a version of Blackjack that is not only fun to play, but one of the best bets in a casino. If you are lucky enough to find the game that is. Spanish Blackjack isn’t spread as often as other Blackjack games due to the low house edge. As a rule of thumb, if you have the option to play Spanish 21, play it!
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Good question. Yes, this house edge is definitely low enough to consider card counting. Since most card counters don’t even consider Spanish 21 I think the field is ripe to exploit the game and to do so with a great deal of impunity. However counting may not be as effective in Spanish 21 as regular blackjack. A small card rich deck will benefit the player in more multiple card 21’s. To the best of my knowledge nobody has developed index numbers for Spanish 21 but somebody should. Maybe I will.
Casino Player reversed the two charts in their layout. I'm very embarrassed by this mistake. Yes, you should hit a hard 17 against an ace if you can't surrender.
In a 6-deck game the probability of a super bonus is 1 in 668382, and in an 8-deck game it is 1 in 549188. The house edge without the super bonus would be 0.03% more either way.
Spanish 21! Under Atlantic City rules blackjack has a house edge of 0.43% and Spanish 21 of .40%.
The Venetian. To the best of my knowledge they are the only casino in Las Vegas which stands on a soft 17 in Spanish 21, lowering the house edge from 0.76% to 0.40%.
Update: The Venetian later switched to hitting a soft 17. As of this update (May 14, 2013) the best Spanish 21 game is at the D, which allows re-doubling.
All Unified Gaming casinos as well as Global Player offer Spanish 21. Unified Gaming stands on a soft 17 and thus has the lower house edge.
2013 Update: Unified Gaming software has since disappeared. As far as I know, nobody offers Spanish 21 online any longer.
Thanks for the compliment. The Spanish 21 rules are the same across Atlantic City. I only know of two that have the game, the Tropicana and the Claridge, but there could be others by now. If I'm not mistaken, the best craps game is at the Sands, which offers 5X odds. When I say to take the maximum odds I mean bet the maximum allowed on the odds. For example, $50 after a $10 line bet. Keep in mind that you won't win more money by taking the odds, you just get to bet more without losing more in the long run.
I always liked the name Thunder Bay for a city. I used to work at a summer camp not too far from there in Missanabie, Ontario. To answer your question 6 decks is better than 8. However the difference in the house edge is small, only about 0.03%.
With reference to the first table of the Basic Strategy for Spanish 21, I have some questions that I hope you could clarify for me (standard game, dealer hits s17):Q1. For 17 v A (your reference - Rh). If the player doesn’t surrender (or double down surrender), does he in fact hit? I ask this question because I’m a little unsure - Scoblete’s book says to stand 17 v A, as does Norm Wattenberger’s Spanish 21 strategy table in CVBJ3.
Q2. Your references to the 6-7-8 bonuses. Do all the references apply equally to the 7-7-7 bonuses? e.g. Does * mean 'Hit if any 6-7-8 [OR 7-7-7] bonus possible'?
Q3. p20 of Scoblete’s Spanish 21 book says to hit 9 v 6 if player has a 3 card 9. Should I ignore this advice, along with the 'don’t double down rescue' advice given in his book?
Sorry to bother you with these questions but I’ve got a Spanish 21 tournament coming up, and need all the help I can get. Many thanks.
- Yes, you should hit. I believe all those who disagree to be in error.
- No, the 7-7-7 bonus is only possible with two initial sevens. The proper strategy is indicated in that row.
- Yes, you should ignore this advice.
I get verbally abused too when I play Spanish 21. When I lived in Baltimore I played it a lot in Atlantic City because the house edge is lower than blackjack there. These idiots doing the abusing don’t understand that removing the tens from the decks makes hitting less dangerous because the probability of busting is less. Don’t bother to try to explain this, the logic won’t make it through their thick skulls. I used to just bite my tongue in these situations but the next time I may not be so nice.
There was discussion about this at www.bj21.com under the Green Chip section about a couple years ago. As I recall the consensus was that counting was not as advantageous as in blackjack but you could get away with a lot more. I know of no published material on this.
Most redoubling situations tell you to double anyway. However, with a soft 15 to 17 against a 3, when the strategy says hit, you should actually redouble.
Thanks. This game is just a rip-off of Spanish 21. Note that the bottom of the card says that all queens are removed.
Keeping all the tens in the deck is worth 1.89% to the player. The house edge under those rules is normally 0.40%. So with all the tens in the shoe, the player edge would be 1.89%-0.40% = 1.49%.
I don’t like it when games give worse odds to the higher bettors either. The value of these Super Bonuses is almost zero. The probability of hitting the Super Bonus is one in 549,000 with eight decks, and one in 668,000 million with six decks. Assuming six decks, the value of the envy bonus is worth 0.0015% per additional player, besides yourself. Sorry, I don’t know of any casinos that sweeten the bonuses for larger bets.
I really enjoy your site, and thank you for the pertinent information! Reading and learning has erased my bad habits and made me a better player, I am certain! Here is my question. I read about games you write about and really think that some of them would be fun to try, like the World Series of Poker (Final Table Bonus) video poker game.Not knowing, however, where to find it, and others, I usually wind up writing to the maker of the game at their website and asking where I can find their game outside of Nevada, since I am in the Midwest. I NEVER get an answer! Besides being just bad customer service, I still have the question of finding the game to be answered. Do you know of a site, or a way, to find which specific games are at which casinos? You would think the game’s manufacturer would list where to find it to assist in letting players find the game.
Spanish 21 House Edge Calculator
Thanks for the kind words. I think the gaming manufacturers should take this as a good suggestion. I get requested for this information by players all the time, but it is simply too much for one person to keep on top of. A noteworthy exception is Masque Publishing, the owners of Spanish 21. They keep an online list of where the liberal Spanish 21 rules can be found.
For the sake of simplicity, let’s assume re-splitting aces is not allowed. Also recall that Spanish 21 uses 48-card Spanish decks with no 10’s. Finally, recall that 21 points is an automatic winner in Spanish 21.
Even without that rule, the player should always split aces. The probability of getting a pair of aces in a four Spanish-deck game is combin(16,2)/combin(192,2) = 120/18336 = 0.65%.
The probability each ace will get a 10 is (4*12)/(48*12-2) = 48/190 = 25.26%. With two aces, the expected number that will turn into blackjacks is 2*48/190 = 96/190 = 0.5053.
Each blackjack will be worth an extra half unit. Thus, the value of this rule is (120/18336)*(96/190)*(1/2) = 0.17%.
Even with this rule, the player should still not split tens, so we don’t need to worry about that. So, this rule lowers the house edge by 0.17%.
Spanish 21 is one of the most popular variations of blackjack in the world and is played widely in casinos. While the differences can make the game a bit more complicated, they also influence the odds of winning.
To a normal person, Spanish 21 and blackjack may seem like the same game with different names. However, there are a number of different advantages and disadvantages each game offers through different sets of rules.
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Spanish 21
Spanish 21 is played on the same traditional table as its counterpart, but it offers the player plenty more options than traditional blackjack; however, these options come at a price.
Spanish 21 House Edge Plant
Giving the player more options to win would typically reduce the house edge, but casinos have found a way to combat that. Rather than playing with the traditional 52 card deck, they remove the four 10 cards, leaving the deck with only 48 cards. Any experienced gambler can tell you that removing 25% of the cards with a face value of 10 will influence your odds negatively.
Spanish 21 Rules:
Although the rules for Spanish 21 can vary at different locations, they are typically as follows:
Spanish 21 Strategy Card
- Late surrender is allowed- If the dealer does not have a blackjack, the player may surrender and receive half of their bet back. Unfortunately, they also forfeit their ability to keep playing.
- Double after split is allowed- If the player ends up with two cards of the same value, he or she may “split” them to make two hands. Players are allowed to double their bet after splitting
- Re-splitting aces is allowed, as well as splitting in general up to four hands.
- A player 21 always wins- This is one of the most important advantages of Spanish 21. According to traditional blackjack rules, the house can beat a 21 if the number of cards in the dealer’s hand is fewer than in the player’s.
- Player blackjack beats dealer blackjack- In regular blackjack, this would be a push and would result in no winnings. However, in Spanish 21, this win results in a 3:2 payout.
- Player may double on any number of cards.
- Player may usually hit and double down after splitting aces-
- Player may surrender after doubling, known as “double down rescue”- The player forfeits an amount equal to his original bet. Essentially, he takes the double bet while forfeiting his original bet.
Spanish 21 Blackjack – Dealer’s Rule:
Most casinos offering Spanish 21 require that the dealer hit on a soft 17. Because of this, the house advantage is about 0.8%, which is worse than almost any other variation of blackjack.
In traditional blackjack, where the dealer stands on a soft 17, the house edge is only about 0.4%. This is definitely something to consider when deciding which game to play.
Spanish 21 Game Payouts:
The payouts in Spanish 21 are similar to blackjack, but there are a few more options if the player meets certain requirements.
- A five-card 21 pays 3 to 2, a six-card 21 pays 2 to 1, a seven or more card 21 pays 3 to 1. This bonus is not honored after doubling or splitting.
- A 6-7-8 or 7-7-7 of mixed suits pays 3 to 2, of the same suit pays 2 to 1, and of spades pays 3 to 1. These bonuses usually do not pay after doubling or splitting, but some casinos allow it.
- Suited 7-7-7 when the dealer has a seven face up pays $1000 for bets of $5-$24 and $5000 for bets of $25 or over. In addition, all other players receive a $50 “envy bonus.” This bonus does not pay after doubling or splitting.
If you’re new to blackjack or are just learning the rules, trying to learn Spanish 21 simultaneously may not be your best bet. Trying to grasp all of the special rules and know how to work them to your advantage can make the game much more complicated. It would be best to learn the best strategies for traditional blackjack before moving on to any of its numerous variations.