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A system automatically monitors playing and wagering of a game, including the gaming habits of players and the performance of employees at least partially by tracking the movement of chips bearing identifiers. A chip tray reader images the contents of a chip tray, while a table reader images chips o

A system automatically monitors playing and wagering of a game, including the gaming habits of players and the performance of employees at least partially by tracking the movement of chips bearing identifiers. A chip tray reader images the contents of a chip tray, while a table reader images chips on the gaming table. Chip identifiers may be associated with customer or player identifiers, the customer's or player's names may or may not be known. The system detects customer or player behavior such as prohibited playing and wagering patterns, and determines the win/loss percentage of the players and the dealer, as well as a number of other statistically relevant measures. The measurements provide automated security and real-time accounting. The measurements also provide a basis for automatically allocating complimentary player benefits.

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We claim: 1. A method of tracking players in a casino gaming environment, the method comprising: from time-to-time, automatically associating a unique identifier of at least one of a number of wagering pieces presented by a non-identified patron at one or more locations in the casino gaming environ

We claim: 1. A method of tracking players in a casino gaming environment, the method comprising: from time-to-time, automatically associating a unique identifier of at least one of a number of wagering pieces presented by a non-identified patron at one or more locations in the casino gaming environment with the non-identified patron; from time-to-time in response to the automatically associating of the unique identifier of at least one of the number of wagering pieces presented by the non-identified patron, determining at least one aspect of the non-identified patron's behavior at the respective location in the casino gaming environment; from time-to-time, storing information regarding the determined at least one aspect of the non-identified patron's behavior in a database; and determining at least one value on which an award of a complimentary benefit is based. 2. The method of claim 1, further comprising: associating the non-identified patron with a patron identifier. 3. The method of claim 2, further comprising: identifying a patron's name from information encoded on a card presented by the patron; and associating the patron identifier with the patron's name. 4. The method of claim 2, further comprising: identifying a patron's name from information encoded on a card that permits the patron to participate in a complimentary program offered in the casino gaming environment. 5. The method of claim 1 wherein at least one of the wagering pieces is placed as a wager by the non-identified patron at a game operated in the casino gaming environment. 6. The method of claim 1 wherein associating the unique identifier of the at least one wagering piece comprises associating a serial number encoded by the at least one wagering piece with the non-identified patron. 7. The method of claim 1 wherein associating the unique identifier of the at least one wagering piece comprises associating a serial number machine-readably encoded by the at least one wagering piece with the non-identified patron. 8. The method of claim 1 wherein associating the unique identifier of the at least one wagering piece comprises associating a serial number encoded in a machine-readable optical symbol carried by the at least one wagering piece with the non-identified patron. 9. The method of claim 1, further comprising: identifying a patron at a first gaming location in the casino gaming environment via facial characteristics of the patron; identifying the same patron at a second gaming location in the casino gaming environment via facial characteristics of the patron that match the facial characteristics at the first gaming location; and associating the same patron with the non-identified patron. 10. The method of claim 1, further comprising: determining a probability of whether the non-identified patron is employing a suspect playing pattern. 11. The method of claim 1, further comprising: determining a probability of whether the non-identified patron is employing a prohibited behavior. 12. The method of claim 1, further comprising: determining an amount wagered by the non-identified patron. 13. The method of claim 1, further comprising: determining a wagering success rate of the non-identified patron. 14. The method of claim 1, further comprising: identifying the non-identified patron; and associating the unique identifier of the wagering piece with the identified patron. 15. The method of claim 1, further comprising: determining a name of the non-identified patron subsequent to the storing information regarding the determined at least one aspect of the non-identified patron's behavior in the database. 16. The method of claim 1, further comprising: identifying a name of the non-identified patron from information encoded on a card that permits the non-identified patron to participate in a complimentary program offered in the casino gaming environment; and associating the non-identified patron with the patron's name. 17. The method of claim 1 wherein determining at least one aspect of the non-identified patron's behavior comprises determining a probability of whether the non-identified patron is employing a prohibited playing strategy during play of a game. 18. The method of claim 1, further comprising: receiving the unique identifier of the wagering piece. 19. The method of claim 1, further comprising: electromagnetically detecting the unique identifier carried by the at least one wagering piece. 20. The method of claim 19 wherein electromagnetically detecting the unique identifier carried by the at least one wagering piece comprises optically detecting light reflected from a machine-readable barcode symbol carried on a perimeter of the wagering piece.