What are the pros and cons of roulette versus the pros and cons of blackjack? How do these games differ, and how are they the same? Like all casino games, they have certain characteristics that hold true for every game you’ll play in a casino. But they also have significant differences, which I’ll analyze for you on this page.
Independent Events versus Deck Composition Strategies
The house edge in blackjack is around 0.5% if you use basic strategy. Of course, that 0.5% can go up or down based on your skill level. Most players are bad enough at blackjack basic strategy to give up another 1.5% or so to the house, making the house edge for the casino 2%. Blackjack Odds Blackjack Probability and Blackjack Odds. To fully understand the game of blackjack, you must understand and master blackjack odds. It's crucial to know how the casino gains its edge and how it helps them win. It's also important to understand blackjack odds such as the odds of hitting a 10 or the odds of being dealt a blackjack. Blackjack odds are percentage figures which represent your probability of losing or winning a hand. They can also represent the house edge or their profit margins as well. Usually probability odds don't mean much on the short term, but they clearly average out in the long term and this is why the casinos always win over the long term. If you make a 'pass line' wager to bet whether or not the shooter will win, your odds are approximately 50/50. If you make more specific bets, your odds of winning drop but your payouts rise. Blackjack odds: how to further reduce the house edge The strategy charts and tables presented in Chapter 3 will decrease the house against you when you play blackjack to around 0.5% (rule dependent). In this chapter, I’ll show you five additional techniques that could further reduce the house edge.
I'm proud to finally add a blackjack game and trainer to my web site. If you make an inferior play, the game will warn you first. If doubling or splitting is mathematically the correct play, but you don't have enough chips, the game will give the best advice for what you can afford to do. Play Trainer. The Blackjack Odds and the House Advantage. To fully get into the game of blackjack, you have to understand and if possible, master the blackjack odds and house advantages. It is very crucial to know how the casino gets their edge and how it helps them win.
The odds in roulette never change, no matter what happens on previous bets. If you bet on black, the odds are always either 18/38 or 18/37 that you’ll win. That’s because every spin of a roulette wheel is an independent event. Previous results don’t affect the odds on subsequent results.
This doesn’t mean that roulette gamblers understand this. Many of them stubbornly refuse to acknowledge the simple fact that it’s impossible to get an edge on roulette based on studying the results of previous spins. Martingale players take this to a systematic extreme by lowering and raising their wagers based on what happened on the last spin.
Imagine though a new roulette wheel, one in which certain numbers got filled in once they’d been hit. The odds would change with every spin of the wheel, right? For example, there are 18 black numbers, so the odds of winning a bet on black are 18/38. If you removed one of the black numbers after black hit, the odds of winning the same bet would be reduced to 17/38.
It doesn’t take a math genius to understand how you could use this information to your advantage.
But that’s exactly what happens with a blackjack deck. Once a card is dealt, it’s gone, and the composition of the deck has changed. This is how card counters make money. They use a heuristic system to estimate how favorable the deck is to the player.
Some might have trouble getting their head around this idea, but it becomes simpler if you think of it this way. You get paid out 3 to 2 if you hit a natural “21” right? All other bets pay out at even money, so getting a natural blackjack is where a blackjack player makes his money.
But what are your odds of being dealt a blackjack if all four of the aces in the deck have already been dealt? They become 0, right? If the deck has 0 aces in it, and you need an ace and a face or ten to get the 3 to 2 payout, then the house edge increases considerably.
The same holds true for the tens, but there are more of them in a deck. And the reverse of this is true. As the lower cards are dealt, the ratio of tens and aces becomes more favorable. So the card counter raises his bet sizes to take advantage of the higher chance of getting a bigger payout.
Blackjack Odds CardStrategy versus Pure Chance
Another aspect of blackjack that’s different from roulette is the ability for the player to affect the house edge by making smart decisions. (The house edge is the percentage of each wager that the casino expects to win over the long run.)
In roulette, the house edge is fixed, regardless of what decisions you make. On an American wheel, you face a house edge of 5.26%. On a European wheel, you face a house edge of 2.70%. No decisions that you make can change this number.
On the other hand, there are multiple decision points in a blackjack hand. You could increase the house edge to 100% by hitting every hand until you bust, for example. (Most players are smarter than that, though.)
Smart blackjack players use something called “basic strategy” to make their decisions. Basic strategy provides the mathematically best play in every situation that might come up. It’s generally easy to memorize.
The difference between using basic strategy and just playing your hunches is significant. Game conditions vary, but generally speaking, if you use correct basic strategy, you can reduce the house edge to between 0.5% and 1%. Players who don’t know basic strategy face a house edge of 4% to 5%.
If you like making decisions that affect your outcome, and you want to play a game where you can get edge by an advantage maneuver like counting cards, skip the roulette table. Play blackjack instead.
On the other hand, if that sounds like too much trouble, roulette can be a lot of fun. It’s not a sucker bet, no matter what anyone tells you–unless you buy into some loony roulette system or superstition.
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Wagers per Hour
Another difference that has a practical effect on a player is how many wagers per hour happen at the table in the two games. You can estimate how much money you’ll expect to lose per hour if you multiply the size of your wager by the house edge and multiplying that by the number of wagers you make per hour.
Roulette is a relatively leisurely game. If you’re playing at a table with five other players, you’re only going to be seeing 35 spins per hour. If you only place a single wager per spin, you can easily estimate your average hourly loss.
Suppose you’re betting $5 a spin. The house edge is 5.26%. So you can expect to lose about 26.3 cents per spin. You can expect to lose a little over $9 per hour at that rate.
Of course, with fewer players at the roulette table, you can expect to see more wagers per hour. If it’s just you and the dealer, for example, you can expect to see 100 or so spins per hour, which will triple your expected hourly loss.
Blackjack is a faster-paced game. If you’re playing blackjack at a table with 5 other players, you can expect to see 60 hands per hour. If you’re playing with perfect basic strategy (1% house edge) at $5 per hand, you can expect to lose a nickel per hand. That’s just $3 per hour. Even though you’re putting almost twice the money into action per hour, your entertainment is costing you even less.
Does that make blackjack better than roulette? That depends on your personality. Do you like a leisurely, elegant game? Do you prefer not to have to think too much when gambling? Then roulette is better than roulette—for you.
On the other hand, if you like card games and enjoy the challenge of making correct decisions, blackjack is more likely to be suited to your personality.
The pros and cons of each game are all based on what you prefer as a gambler.
Blackjack Probability and Blackjack OddsWhat Does Blackjack Pay
To fully understand the game of blackjack, you must understand and master blackjack odds. It's crucial to know how the casino gains its edge and how it helps them win. It's also important to understand blackjack odds such as the odds of hitting a 10 or the odds of being dealt a blackjack. You can read over these blackjack odds charts to help understand the logistics behind blackjack.
Casino and Dealer Advantage in Blackjack
In most casino games of blackjack, the house advantage (the dealer advantage) is ~ 8%. The house gets this advantage by the dealer being the last player to act. By acting last, all other players have already made their decisions and could quite possibly bust before the dealer has his turn.
By using correct blackjack basic strategy, you can turn the casino edge in blackjack from 7%-8% down to 0.5%. If you correctly use advanced card counting techniques, you can often change blackjack odds and give yourself the advantage over the casino. Manipulating the house odds to your favor is the reason most casinos don't allow card counters to play blackjack.
Probability of Busting on a Hit
It's very important to know the probability of your hand busting when you are holding any total in the game of blackjack. The following odds chart shows the blackjack odds of busting, depending on your current hand value:
Two-Card Count Frequencies
This interesting blackjack odds chart is the two card count frequency chart. This chart shows the percentage chance that you will be dealt a hand in each given value range. The most important frequencey to note is the chance of being dealt a natural blackjack (natural 21 value. The odds of being dealt a natural blackjack are merely 4.8%. Following this chart you will see that the most common two card hand, at 38.7%, is a hand totaling 1-16, which is considered a decision hand.
Dealer Final Hand Probabilities
This blackjack odds chart shows the dealer final hand probability. These are the percentages that the dealer will end up with a hand totaling each corresponding value (up to 16). Read over this chart to understand the odds that the dealer has to make his final hand.
Player Advantage vs. Dealer Up CardBlackjack Odds Chart
The first two columns in this odds chart explain the dealer's chance of busting, depending on the up card that he is showing. You should note that the dealer has the highest chance of busting when he is showing a 5. The third column in this chart shows the player advantage of using basic strategy, compared to each up card the dealer is showing. You can see that the player has the highest advantage of 23.9%, when the dealer is showing a 5. When the dealer is showing any card that is 9 value or higher, the player is in the negative advantage range.
Blackjack Payout Odds![]() ![]()
Effects of Removing Cards from a Deck
When looking at the odds of removing certain cards from a 52-card deck, some cards have a much greater effect on blackjack odds. To create the strongest card counting system ever invented, you would have to incorporate all of these slight and subtle differences into the numbers to be a completely accurate system.
What Does Odd Mean
Removing every 5 from a deck cards would make the largest impact of improving your blackjack odds, as a player. On the other hand, removing every Ace from a deck of cards would make the largest impact on improving the odds for the casino.
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