Craps - The Odds (Numbers)
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Since craps is a game of chance, you need to understand why you have a greater or lesser chance of rolling different numbers. Because you're rolling two dice, your chances of rolling a specific number in craps are determined by the number of die combinations that can add up to that number. For example, 2 can only be rolled with two 1s, but 4 can be rolled with either a 1 and a 3 or two 2s. That means you have twice the chance of rolling a 3 as you do a 2. Because the 7 has the greatest number of combinations (six), it is the number that has the potential to come up most often, which is why 7 is the magic number in craps.
There are 36 possible number combinations in craps. Here is a chart showing the possible combinations for each number using two die.
From the chart, you can see that the most likely number you'll roll is a 7, followed by the 6 and the 8, then 5 and 9, then 4 and 10, then 3 and 11, and finally (and least likely) the 2 and the 12. This means you'll roll a 7 once out of every six rolls, a 6 or an 8 once out of every 7 to 8 rolls, and so on.
Odds for Each Number
By looking at the possible combinations, the "true odds" for each number can be established. Knowing the odds in craps is good so you have a feel for the likelihood of one number being rolled before another one (e.g., is the 4 going to be rolled before the 7?).
House Edge
Now, true odds are not what the casino pays you unless you're also betting "free odds" on top of your main bet. Free odds, which is an additional wager you place with your original line bet, pay true odds so the casino's edge is reduced. (We'll talk more about free odds in Strategies the Winners Use.)
To better explain how the casino edge works, let's take the example of flipping a coin. You have a 50/50 chance of the coin landing on heads, and a 50/50 chance of it landing on tails. If that were a bet on which you were being paid true odds, you would be paid even money. The casino, however, has to have an edge in order to make a profit on the game. So, the payoff for any given bet is less than what true mathematical odds would dictate. For example, on a bet that had true odds of 1:1, you would think that if you bet $1 and win, you would be paid $1 in winnings. But in a casino, depending on the bet, you might only be paid $.96. The difference between the true odds and what they pay you is how they make money -- it's called casino odds.
Another way to better understand casino odds versus true odds is to look at the definition of the casino (or house) edge. WizardOfOdds.com defines it as, "The ratio of the average loss to the initial bet," going on to explain that it's based on the original wager rather than the average wager so that players can have an idea of how much they are going to lose when they place a bet. For example, by knowing that the casino has a 1.41 percent edge in craps, you can know that you'll be losing 14.1 cents for every $10 bet.
How to Play Blackjack
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After all bets have been placed, the dealer deals two cards to each player, moving around the table and dealing one card at a time. In a Nevada Deal game, the players' cards are dealt face down. The dealer then deals himself two cards -- one face up and one face down. In a London Deal game, the players' cards are dealt face up, and the dealer deals himself one card face up. In each case, the players are able to see one of the dealer's cards.
Craps - The Players
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Up to eight players can stand on each side of the table. The players in positions 4 and 5 (around the corners) are said to be "on the hook."
When you walk up to a table, just take any open slot. You don't have to worry about taking someone's place: If anyone has to leave momentarily and plans to return, a special "towel" is placed over his chips to save the spot.
The shooter is the player who rolls the dice. The dice are thrown so that they hit the back wall at the end of the table opposite the shooter. Every player takes turns being the shooter, with turns rotating clockwise around the table. When a new shooter steps up to roll, the stickperson pushes several sets of dice up to him so he can select the pair he wants to use.
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