Fraudulence monitoring system of table game and fraudulence monitoring program of table game

Abstract

A detection system of the present disclosure stores positions and the amount of game tokens that a game participant places on a game table based on a measurement result by a bet chip measuring device in the same persons for each game participant or player positions of the game table. A management control device compares an actual winning rate and a total return amount with figures obtained by a probability statistic calculation at the time of an end of the number of games to determine whether there is a significant difference therebetween and specifies any one of the game participant or the player position, the game table, or a room having the game table where the significant difference is occurring.

What is claimed: 
     
         1 . A table game fraud monitoring system for a plurality of game tables, the table game fraud monitoring system comprising:
 a win/loss determination device configured to determine a win/loss result of each game at each of the plurality of game tables;   a bet chip measurement device configured to ascertain an amount of one or more gaming chips bet by a game participant on the game table in each game; and   a management control device configured to store a number of games played on each of the plurality of game tables and identify and store a position and amount of one or more gaming chips placed by a game participant on the game table in each game for each game participant or player position on the game table using a measurement results of the bet chip measuring device,   wherein the management control device is configured to obtain win/loss result and a return amount for each game table and identify a game table for which at least one of the win/loss result and return amount of each game that is suspected of being fraudulent.   
     
     
         2 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to identify a dealer in each game and identify a dealer involved in a fraud. 
     
     
         3 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to factorize a total return amount in a game in which a fraud is suspected and whether the fraud in the game in which the fraud is suspected is caused by a winning percentage or a bet amount of the gaming chips. 
     
     
         4 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to store betting amounts for each game in betting positions with different return multipliers and determine whether a cause of a fraud in the game in which the fraud is suspected is related to the betting positions with different return multipliers. 
     
     
         5 . The table game fraud monitoring system according to  claim 1 , wherein the management control device has a plurality of criteria for suspecting fraud and is configured to issue a different type of warning for each criterion. 
     
     
         6 . The table game fraud monitoring system according to  claim 1 , wherein the management control device has criteria for suspecting fraud for each number of games or predetermined number of games separated by predetermined rules and is configured to issue a different type of warning for each criterion. 
     
     
         7 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to determine whether or not fraud is suspected in each game sequentially as a plurality of games progress or at each elapse of a predetermined number of games and issue a warning when a criteria for suspecting fraud are exceeded. 
     
     
         8 . The table game fraud monitoring system according to  claim 1 , wherein the management control device has a plurality of criteria for determining whether or not fraud is suspected, and is configured to, identify a game participant or a player position suspected of fraud for each criterion, score the game participant or the player position for each different criterion, and display a warning as a score or a rank. 
     
     
         9 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to use a conditional probability calculation where certain factors are fixed values for numbers on the conditional probability calculation used to determine whether or not fraud is suspected. 
     
     
         10 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to sequentially ascertain a number of playing cards or dice rolls in a series of games, infer a cause of a fraud when a suspected fraud is determined based on data of a number in the series of games, and list a possible cause of the fraud. 
     
     
         11 . The table game fraud monitoring system according to  claim 1 , wherein the management control device is configured to infer a cause of a fraud when a suspected fraud is determined based on big data of past games or data of past frauds, and list a possible cause of the fraud. 
     
     
         12 . A table game fraud monitoring system comprising:
 a card distribution device configured to determine a win/loss result of each game by reading playing cards that are drawn one by one after a playing card set is filled therein;   a bet chip measurement device configured to ascertain an amount of one or more gaming chips bet by a game participant on a game table in each game; and   a management control device configured to calculate a return amount for each game based on the win/loss result determined by the card distribution device and an amount of the one or more gaming chips determined by the bet chip measurement device,   wherein the management control device is configured to, for each refill of a playing card set at the card distribution device, identify a playing card set that is suspected of being fraudulent based on at least one of a total amount of the return amount and a winning percentage calculated from the win/loss results.   
     
     
         13 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to identify a dealer in each game and identify a dealer involved in a fraud. 
     
     
         14 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to factorize a total return amount in a game in which a fraud is suspected and whether the fraud in the game in which the fraud is suspected is caused by the winning percentage or a bet amount of gaming chips. 
     
     
         15 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to store betting amounts for each game in betting positions with different return multipliers and determine whether a cause of a fraud in the game in which the fraud is suspected is related to the betting positions with different return multipliers. 
     
     
         16 . The table game fraud monitoring system according to  claim 12 , wherein the management control device has a plurality of criteria for suspecting fraud and is configured to issue a different type of warning for each criterion. 
     
     
         17 . The table game fraud monitoring system according to  claim 12 , wherein the management control device has criteria for suspecting fraud for each number of games or predetermined number of games separated by predetermined rules and is configured to issue a different type of warning for each criterion. 
     
     
         18 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to determine whether or not fraud is suspected in each game sequentially as a plurality of games progress or at each elapse of a predetermined number of games and issue a warning when a criteria for suspecting fraud are exceeded. 
     
     
         19 . The table game fraud monitoring system according to  claim 12 , wherein the management control device has a plurality of criteria for determining whether or not fraud is suspected, and is configured to, identify a game participant or a player position suspected of fraud for each criterion, score the game participant or the player position for each different criterion, and display a warning as a score or a rank. 
     
     
         20 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to use a conditional probability calculation where certain factors are fixed values for numbers on the conditional probability calculation used to determine whether or not fraud is suspected. 
     
     
         21 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to sequentially ascertain a number of playing cards or dice rolls in a series of games, infer a cause of a fraud when a suspected fraud is determined based on data of a number in the series of games, and list a possible cause of the fraud. 
     
     
         22 . The table game fraud monitoring system according to  claim 12 , wherein the management control device is configured to infer a cause of a fraud when a suspected fraud is determined based on big data of past games or data of past frauds, and list a possible cause of the fraud.