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Craps
28 September 2022
Craps (previously known as crabs[1]) is a casino dice game. Craps is a simplification of the Old English game hazard. Its origins are complex and may date to the Crusades and was influenced by French gamblers, who probably first brought, what was to become the modern American version of the game, to New Orleans, where its popularity was thought to spread from the African-American community. Players wager money against the casino on the outcome of one roll, or of a series of rolls of two dice.
Craps can also be played in less formal settings and is said to be popular among soldiers. In such situations side bets are more frequent, with one or several participants covering or “fading” bets against the dice.
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[edit] Rules of play
Craps is a game played by 1 or more players. Players take turns rolling two dice. The player rolling the dice is called the “shooter”. The game is played in rounds, with the first roll of a new round called the “come-out roll.”
On the come-out roll if the total of the two dice is 7, 11, 2, 3 or 12, the round ends immediately and the shooter must roll another come-out roll. A result of 2, 3 or 12 is called ‘craps’ while a result of 7 or 11 is called a ‘win’ or a ‘natural’. When any other number (4, 5, 6, 8, 9, or 10) is rolled on the come-out roll, this number becomes what is called the point. If a point is established then the shooter will re-roll the dice continuously until either a 7 is rolled, or the point is rolled again. If the shooter rolls the point again, the round ends and the game starts over with the same shooter rolling another come-out roll. If the shooter rolls a 7 instead of the point, this is called a ’seven-out’, the round ends and the dice pass to the next player to the left, who becomes the new shooter.
Any players can make a large number of bets. Most of these are betting on the way the round will end (point comes or a seven out). Other betting can include betting on a specific total being rolled, or a specific total being rolled before a 7. In a casino players will make bets with chips on a specially made craps table.
A casino craps table is run by four casino employees: a boxman who guards the chips, supervises the dealers and handles coloring out players; two base dealers who stand to either side of the boxman and collect and pay bets; and a stickman who stands directly across the table from the boxman and announces the results of each roll and then collects the dice with an elongated wooden stick. He is also in charge of managing the bets made on the center of the table (hardways, yo, horn, etc).
A new shooter, who must bet the table minimum on either the pass line or the don’t pass line to play, is presented five dice by the stickman and picks two.
The dealers will usually insist that the shooter roll with one hand and that the dice bounce off the wall surrounding the table. These requirements are meant to prevent cheating attempts by players switching the dice or making a “controlled shot.” If a die leaves the table, the shooter will usually be asked to select another die from the remaining three but can request using the same die if it passes the boxman’s inspection. This requirement is used in an effort to reduce cheating the game by players substituting loaded dice for the regulation dice.
| 1 | 2 | 3 | 4 | 5 | 6 | |
|---|---|---|---|---|---|---|
| 1 | Snake Eyes | Loose Deuce | Easy Four | Fever Five | Easy Six | Natural or Seven Out |
| 2 | Loose Deuce | Hard Four | Fever Five | Easy Six | Natural or Seven Out | Easy Eight |
| 3 | Easy Four | Fever Five | Hard Six | Natural or Seven Out | Easy Eight | Nina |
| 4 | Fever Five | Easy Six | Natural or Seven Out | Hard Eight | Nina | Easy Ten |
| 5 | Easy Six | Natural or Seven Out | Easy Eight | Nina | Hard Ten | Yo |
| 6 | Natural or Seven Out | Easy Eight | Nina | Easy Ten | Yo | Boxcars |
[edit] Types of bets
[edit] Player bets
Fire Bet: Before the shooter begins, some casinos will allow a bet known as a fire bet to be placed. A fire bet is a bet for between 1-5 dollars in the hopes that the next shooter will have a hot streak of setting and getting many points of different values. As points are made by the shooter they will be marked on the craps layout with a fire symbol. The first three points will not pay out on the fire bet, but the fourth, fifth and sixth will pay out at increasing odds. The fourth point pays at 25-1 (a maximum of $125), the fifth point pays at 250-1 (a maximum of $1250) and the 6th point pays at 1000-1 (a maximum of $5000). Note that the points must all be different numbers for them to count towards the fire bet. A shooter who successfully hits a point of 10 twice will only garner credit for the first one on the fire bet.
[edit] Line bets
The shooter is required to make either a Pass Line bet or a Don’t Pass bet. Line bets are based around points.
Pass line: The fundamental bet in craps is the pass line bet, also called the win line in some countries. A pass line bet is won if the come-out roll is a 7 or 11. If the come-out roll is 2, 3 or 12, the bet loses. If instead the come-out roll establishes a point, and that point is rolled again, the bet wins. If a point is established and a 7 is rolled before the point is re-rolled, the bet loses.
Don’t pass: The opposite of the pass line bet is the don’t pass bet. The don’t pass bet is opposite in that it loses if the come-out roll is 7 or 11 and wins if the come-out roll is 3. One of 12 or 2 will draw, the other will win (this depends on the casino), either way a player cannot lose if 12 or 2 is rolled. A draw on either 2 or 12 is done to ensure the casino maintains a house edge regardless of if players are betting pass or don’t pass. If a point is established and that point is rolled again, the don’t pass bet loses. If a 7 is rolled instead of the point being re-rolled, the don’t pass bet wins. Many craps players consider don’t pass bets to be in poor taste, or even taboo, because they are betting opposite to how the game is conventionally considered to play.
Pass odds: If a 4, 5, 6, 8, 9, or 10 is thrown on the come-out roll (i.e., if a point is set), most casinos allow pass line bettors to take odds by placing from one to five times (and at some casinos, up to 100 times) the pass line bet behind the pass line. This additional bet wins if the point is rolled again before a 7 is rolled (the point is made) and pays at the true odds of 2-to-1 if 4 or 10 is the point, 3-to-2 if 5 or 9 is the point, and 6-to-5 if 6 or 8 is the point.
Don’t pass odds: If a player is playing don’t pass instead of pass, they may also take odds by placing chips behind the don’t pass line. If a 7 comes instead of the point coming, the odds pay at true odds of 1-to-2 if 4 or 10 is the point, 2-to-3 if 5 or 9 is the point, 5-to-6 if 6 or 8 is the point. For most players the perceived disadvantage of putting up the long side of the bet makes the don’t pass odds less desirable, however putting up the long side reduces variance.
Come bet: The rules for the come wagers are the same as for the pass line except that they can only be made after the come-out roll. If the roll the come bet is made on is a 7 or 11 it wins, if it is a 2, 3 or 12 it loses, just like a pass bet. If instead the roll is 4, 5, 6, 8, 9, 10 then the come bet will be moved by the stick-man onto a box representing that number. If the number is rolled again before a seven the bet wins, if the seven comes before the number (the come-point) the bet loses. Odds can also be placed on a come-point just like a normal pass point.
Because of the come bet, if the shooter makes their point, a player can find themselves in the situation where they have a come bet (possibly with odds on it) and the next roll is a come-out roll. In this situation odds bets on the come wagers are presumed to be not working for the come-out roll. That means that if the shoot rolls a 7 on the come-out roll, any players with active come bets waiting for a come-point lose their initial wager but will have their odds money returned to them, if the come-point is rolled the odds do not win but the come bet does and the odds are returned. The player can tell the dealer that they want their odds working, such that if the shooter rolls a number that matches the come point, the odds bet will win along with the come bet, and if a seven is rolled both lose.
Don’t come: There is also a don’t come box which is the opposite of a come bet in that the player is betting that craps will come on the next roll instead of 7 or 11, or that if a come point is made, that value won’t be rolled again before a 7. It pays just as don’t pass and also has odds in the same way.
[edit] Single roll bets
Single Roll bets have a result in a single shooter roll. They include:
Yo: Wins if the shooter rolls 11.
3 (ace-deuce): Wins if the shooter rolls a 3.
2 (snake eyes): Wins if shooter rolls a 2.
12 (box cars): Wins if shooter rolls a 12.
2 or 12 (hi-lo): Wins if shooter rolls a 2 or 12. The stickman places this bet on the line dividing the 2 and 12 bets.
Craps: Wins if the shooter rolls 2, 3 or 12.
C & E: A combined bet, a player is betting half their bet on craps and the other half on yo (11). One of the two bets will always lose, the other may win.
Any seven: Wins if the shooter rolls a 7. This bet is also nicknamed Big Red, since the 7 on its betting space on the layout is usually large and red.
Field: This bet is a wager that one of the numbers 2, 3, 4, 9, 10, 11, or 12 will appear on the next roll of the dice. This bet typically pays more 2:1 or 3:1 if 2 or 12 is rolled, and 1:1 if 3, 4, 9, 10 or 11 is rolled. Unlike the other proposition bets which are handled by the dealers or stickman, the field bet is placed directly by the player.
The Horn: This is a bet that involves betting on 1 unit each for 2, 3, 11 and 12 at the same time for the next roll. The bet is actually four separate bets, and pays off depending on which number is actually rolled, minus three units for the other three losing bets. Most players do a “Horn High” bet which involves betting an additional $1 on one of the 4 choices, with the most frequent being a $5 “horn high yo” bet (which means $2 on the 11, $1 each on 2, 3 & 12).
Whirl or World: bet is a five-unit bet that is a combination of a horn and any-seven bet, with the idea that if a seven is rolled the bet is a push, because the money won on the seven is lost on the horn portions of the bet.
[edit] Multi roll bets
These are bets that may not be settled on the first roll and may need any number of subsequent rolls before an outcome is determined.
Hard way: You may bet that the shooter will throw a specific hard way (either 4, 6, 8 or 10), before he throws a seven or the corresponding easy way. A hard way is when both dice show identical values, so 2 2 is hard way 4.
Easy way: Opposite of hard way is a bet that the shooter will throw a specific easy way (either 4, 6, 8 or 10), before he throws a seven. An easy way is an value that does not have two dice identical, so 3 1 is easy way 4.
Big 6 and Big 8: These wagers are considered by craps players as sucker bets because they pay even money while a player can bet on the same proposition (that the number will be rolled before a 7) by making place/buy bets on the 6 or the 8, which pay more money. Veteran craps players avoid these bets, and some casinos do not even offer them. The bets are located in the corners behind the pass line, and bets are placed directly by players.
Place and buy: Players can buy or place certain individual numbers (4, 5, 6, 8, 9, 10) by placing their wager in the come area and telling the dealer, “place the 6″ or “buy the 8″. Both place and buy bets are bets that the number bet on will be rolled before a 7 is rolled. Place bets are paid at odds worse than the true odds, while buy bets are paid at true odds, but a 5% commission is charged. Traditionally, the buy bet commission is paid no matter what, but in recent years a number of casinos have changed their policy to charge the commission only when the buy bet wins. Most casinos usually charge only $1 for a $25 green-chip bet (4% commission), or $2 for $50 (two green chips), reducing the house advantage a bit more. Where commission is charged only on wins, the commission is sometimes deducted from the winning payoff — a winning $25 buy bet on the 10 would pay $49, for instance.
Lay: A lay bet is the opposite of a buy/place bet, where a player bets on a 7 to roll before the number that is laid. The lay bets pay true odds, but a 5% commission is charged. In some casinos the commission is only charged if the bet wins. Like the buy bet the commission is adjusted to suit the betting unit such that fraction of a dollar payouts are not needed.
[edit] Bet odds
- Note: Individual casinos may pay some of these bets at different odds than those listed below. The payoff odds listed are the most common throughout North American casinos.
- Note: Actual odds do not vary (and are yet to be added to the table).
| Bet | Odds Paid | House Edge |
| Pass / Come | 1:1 | 1.41% |
| Don’t Pass / Don’t Come | 1:1 | 1.36% |
| Pass Odds / Come Odds | 2:1 on 4 or 10 3:2 on 5 or 9 6:5 on 6 or 8 |
0% |
| Don’t Pass Odds / Don’t Come Odds | 1:2 against 4 or 10 2:3 against 5 or 9 5:6 against 6 or 8 |
0% |
| Yo (11) | 15:1 | 11.11% |
| 3 | 15:1 | 11.11% |
| 2 | 30:1 | 13.89% |
| 12 | 30:1 | 13.89% |
| Hi-Lo | 15:1 | 11.11% |
| Craps | 7:1 | 11.11% |
| C & E | 3:1 on craps 7:1 on 11 |
11.11% |
| Any 7 | 4:1 | 16.67% |
| Field | 1:1 on 3,4,9,10 or 11 2:1 on 2 or 12 |
5.56% |
| The Horn | 27:4 on 2 or 12 3:1 on 3 or 11 |
12.5% |
| Whirl/World | 26:5 on 2 or 12 11:5 on 3 or 11 0:1 (push) on 7 |
13.33% |
| Hard way 4 / Hard way 10 | 7:1 | 11.11% |
| Hard way 6 / Hard way 8 | 9:1 | 9.09% |
| Big 6 | 1:1 | 9.09% |
| Big 8 | 1:1 | 9.09% |
| Place 4 / Place 10 | 9:5 | 6.67% |
| Place 5 / Place 9 | 7:5 | 4% |
| Place 6 / Place 8 | 7:6 | 1.52% |
| Buy 4 / Buy 10 | 2:1 + 5% commission | 5% |
| Buy 5 / Buy 9 | 3:2 + 5% commission | 5% |
| Buy 6 / Buy 8 | 6:5 + 5% commission | 5% |
| Lay 4 / Buy 10 | 1:2 + 5% commission | 5% |
| Lay 5 / Buy 9 | 2:3 + 5% commission | 5% |
| Lay 6 / Buy 8 | 5:6 + 5% commission | 5% |
The expected value of all bets is negative, such that the average player will always lose money. This is because the house always sets the paid odds to below the actual odds. All bets have a negative expectation except for the “odds” bet that the player is allowed to make after a point is established on a pass/come don’t pass/don’t come bet (the odds portion of the bet has a long-term expected value of 0). However, the “free odds” bet cannot be made independently, so the expected value of the entire bet, including odds, is still negative. Since there is no correlation between die rolls, there is no possible long-term winning strategy in craps.
Maximizing the size of your odds bet in relation to your line bet will reduce, but never eliminate the house edge, and will increase variance. Many casinos have a limit on how large the odds bet can be in relation to the flat bet, with single, double, and five times odds common. Some casinos offer 3-4-5 odds, referring to the maximum multiple of the line bet a player can place in odds for the points of 4 and 10, 5 and 9, and 6 and 8, respectively. During promotional periods, a casino may even offer 100x odds bets, which renders the house edge to almost nothing, but dramatically increases variance, as the player will be betting in large betting units.
[edit] Optimal betting
Since all bets have a house advantage (and a negative expected value) the optimal strategy is not to bet. Players can, however, reduce their average hourly losses by only placing bets with the smallest house advantage.
The pass/don’t line, come/don’t line, place 6, place 8, buy 4 and buy 10 (only when commission is charged only on wins) are the bets with the lowest house edge, and all other bets will on average lose money between three and twelve times faster because of the difference in house edges.
An important alternative metric is house advantage per roll (rather than per bet), which may be expressed in loss per hour see reference. The typical pace of rolls varies depending on the number of players, but 102 rolls per hour is a cited reference rate for a nearly full table. This number then permits calculation of rate of loss per hour, and per the 4 day/5 hour per day gambling trip:
$10 Pass line bets .42% per roll,$4.28 per hour, $86 per trip
$10 Place 6,8 bets 1.46% per roll,$14.89 per hour, $298 per trip
$10 Place 5,9 bets 1.32% per roll,$13.46 per hour, $269 per trip
$10 Place 4,10 bets 1.19% per roll,$12.14 per hour, $243 per trip
$1 Single Hardways 2.78% per roll,$2.84 per hour, $56.71 per trip
$1 All hardways 2.78% per roll,$11.34 per hour, $227 per trip
$5 All hardways 2.78% per roll, $56.71 per hour, $1134 per trip
$1 Craps only on come out 3.29% per roll,$3.35 per hour, $67.09 per trip
$1 Eleven only on come out 3.29% per roll,$3.35 per hour, $67.09 per trip
This runs counter to the notion that hardways and C/E on come-out roll are necessarily bad bets, since, although their house percentages are poor, they have lower minimum bets and happen less frequently. Therefore, they do not lose money as quickly as the pass line bet.
Also, by this metric, other betting patterns are shown to be costly, for example placing $10 on all point numbers, which has a much higher loss of $40.49 per hour or $810 per trip. [citation needed]
[edit] Etiquette
Besides the rules of the actual game, certain unwritten rules of etiquette exist while playing craps and are expected to be followed. Many consider these guidelines as important as the actual rules themselves. New players should familiarize themselves with them before approaching a craps table.
[edit] Rules related to casino security
- Players are not supposed to handle the dice with more than one hand (such as passing them from hand to hand before rolling) nor take the dice past the edge of the table. The only way to change hands when throwing dice, if permitted at all, is to set the dice on the table, let go, then take them with the other hand.
- When throwing the dice, the player is expected to hit the farthest wall at the opposite end of the table. The dice may not be slid across the table and must be tossed. Typically, players are asked not to throw the dice higher than the eye level of the dealers.
- The dice cannot land in the boxman’s bank or on any of the dealers’ working stacks of money.
- When either of the dice land on chips or markers not in the boxman’s bank or the dealers’ working stacks, the number that would be on top if the object the die is leaning on were removed, is the number that is used to make the call.
- If one or both dice hits a player or dealer and rolls back onto the table, the roll counts as long as the person being hit did not interfere with either of the dice, though some casinos will rule “no roll” for this situation.
- In most cases the shooter may “set” the dice to a particular configuration, but if they do, they are often asked to be quick about it so as not to delay the game. Some casinos have “no setting” rules.
- Do not try to place money in the dealer’s hand or expect the dealers to hand you chips. Dealers are not allowed to touch the players. A player is expected to lay the cash down on the layout, which the dealer will take and then place chips in front of the player.
- Many craps table layouts state “NO CALL BETS”. This means a player is not allowed to call out a bet without having at least the right amount of chips on the table. If the chips exceed the bet, for example a $100 chip is placed and bets called out of “$25 on five and nine”, the dealer will say “it’s a bet” and return $50 change to the player. The dealer doesn’t have to actually place the bet in the proper place on the table to constitute a valid bet. This method is consistent with the fast action of the game, allowing a player to make a last-second bet while the dice are about to be thrown. The NO CALL BET rule may exist to prevent confusion on the amount bet, possibly going back to the days of 25 cent tables. For example “three fifty” could mean $3.50 or $350. If the dealer is not clear about the intention of the player he may state “no bet” and push the chips back to the player.
[edit] Commonly observed etiquette
- When offered the dice to shoot, a player may pass the dice to the next player without fear of offending anyone; however, keep in mind that at least one player must always be a “shooter” betting on either the pass line or don’t pass line for the game to continue.
- When tipping, the most common way is simply to toss chips onto the table and say “For the house,” “For the dealers,” or “For the boys” (the latter is considered acceptable even though dealers often are women). Another method is to place a bet next to your bet and call out “dealers.” A “two-way” bet is one that is part for the player and part for the dealers. Usually, the dealers’ bet is smaller than the player’s bet, but it is appreciated. The part of the bet for the dealer is called a “toke” bet; this is from the $1 slot machine coins or tokens that are sometimes used to place bets for the dealers in a casino. Most casinos require the dealers to pick up their winning bets, including the original tip, rather than “let it ride” as the player may choose to do.
- After the come-out roll, it is considered bad luck to say the word “seven”. A common “nickname” for this number is “Big Red”.
- It is considered bad luck to change dice in the middle of a roll.
- Center bets are made by tossing chips to the center of the table and calling out the intended bet; the stickman will then place the chips correctly for the player.
- It is considered rude to “late bet,” or make wagers while the dice are no longer in the middle of the table. While entirely permissible, excessive late betting will generally garner a warning.
- Food, drinks, and other items should remain off the chip rail.
- Players feel it is bad luck for the shooter to leave the table after a successful come-out roll.
- When the shooter is ready to roll, players should remove their hands from the table area in order to avoid interfering with the dice. The stickman will often say “hands high, let ‘em fly” or “dice are out, hands high”.
- When making bets in the field or on the Big 6 or Big 8, it is the player’s responsibility to track his or her bet. Place bets and Come Line bets will be tracked by the dealer, who will pay you directly. Hardway and other proposition bets are tracked by the stickman and will be paid by the dealer to you directly based on instructions from the stickman.
[edit] Systems
[edit] Martingale system
No betting system can consistently beat casino games of pure chance such as craps, but that does not stop hopeful gamblers believing in them. One of the best known systems is the Martingale in which the player starts by betting $1 and doubles his bet whenever he loses. Upon winning, he starts over at $1. The idea is to realize a net win of $1 after every eventual win. This system fails because the player will either run out of money after having to double his bet several times in a row after a streak of losing bets, or he will be unable to bet the amount dictated by the system because it would exceed the maximum bet allowed by the casino.
[edit] Gambler’s fallacy
Other systems depend on the gambler’s fallacy, which in craps terms is the belief that past dice rolls influence the probabilities of future dice rolls. For example, the gambler’s fallacy indicates that a craps player should bet on eleven if an eleven has not appeared or has appeared too often in the last 20 rolls. In reality, each roll of the dice is an independent event, so the probability of rolling an eleven is exactly 1/18 on every roll, even if eleven has not come up in the last 100 rolls, or if eleven has come up 5 times in the last 5 rolls.
[edit] Parity hedge system
The parity hedge system is a hoax promulgated by Quatloos. Despite the fact that no such system exists (indeed, it is a mathematical impossibility), several gambling-related web sites have retold the ‘parity hedge’ story without attribution.
[edit] Dice setting or dice control
Another approach is to “set” the dice in a particular orientation, then throw them in such a manner that they do not tumble randomly. The theory is that by doing so, one or both of the dice will be more likely to show certain numbers. Unlike other systems, this one is not mathematically absurd, because if it were possible to alter the probabilities of each outcome, then winning systems could be devised. Nevertheless, the casinos take steps to prevent this. The dice are supposed to hit the back wall of the table, which makes controlled spins more difficult. Whether it is possible for human beings to consistently exercise the precise physical control necessitated by the theory is a source of controversy. A small but dedicated community of controlled shooters maintain records and claim proof of dice influencing in casino conditions. Frank Scoblete and Stanford Wong, authors of books that feature dice control techniques, believe that it is possible to alter the odds in the player’s favor by dice control. In addition, some people offer to teach dice-setting skills, for a substantial fee. However, there has been no independent conclusive evidence that such methods can be successfully applied in a real casino.
[edit] Miscellaneous
Craps is such a popular game, its terminology is often found as colloquialisms in our language. The terms “on a roll”, “crapshoot”, “no dice”, “crap out”, “Snake Eyes” and “do it the hard way” all trace their origins to the game of craps.
As casinos restrict players’ options in blackjack, craps is increasing in popularity, as it offers the best odds of all standard casino games based on pure chance.
In the classic crooner song “Luck Be a Lady Tonight,” most famously sung by Frank Sinatra, the lyrics, “A lady doesn’t wander all over the room / And blow on some other guys dice,” make reference to point of craps etiquette. A lady blowing on the shooter’s dice before he rolled was supposed to bring the shooter good luck. It was seen as inappropriate for a lady to blow on the dice of a man other than the one she was with at the casino. Of course, the verse can also be interpreted as a sexual euphemism.
The plot of the musical Guys and Dolls, which is the source of the above-mentioned song, sung by Marlon Brando in the movie, revolves around some illegal games of craps, which “float” from location to location..
In a seemingly unrelated application of this game, one of the Diehard tests to test for statistical randomness will play several (hundred thousand) craps games using the input data, and analyze the outcomes.
[edit] See also
[edit] External links
Wiktionary, the free dictionary.
- DMOZ: Craps
- Rec.gambling.craps FAQ
- Comprehensive Craps guide
- Wizard of Odds craps guide
- DancesWithDice.com
- CrapsMath.com craps tutorial
- Next Shooter - Craps as explained by a Las Vegas craps dealer.
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