US 20040198483 A1 Abstract A method of managing bets is provided. The method includes receiving win bets and group bets. Each win bet includes a bet that a participant selected from a set of participants in an event will win the event. Each group bet includes a bet that one of a subset of the set of participants will win the event. Results of the event identifying a winning participant from the set of participants are received. An amount of a win bet payout for at least a portion of the win bets that comprise a bet on the winning participant is determined. An amount of a group bet payout for at least one of the group bets is also determined. In this manner, a bettor may bet on all participants in an event other than a particular participant, such as the favorite participant, and thus effectively bet against the particular participant.
Claims(42) 1. A method of managing bets, comprising:
receiving one or more win bets, each win bet comprising a bet that a participant selected from a set of participants in an event will win the event; receiving one or more group bets, each group bet comprising a bet that one of a subset of the set of participants will win the event, wherein the subset comprises a plurality of the set of participants; receiving results of the event identifying a winning participant from the set of participants; determining an amount of a win bet payout for at least a portion of the win bets that comprise a bet on the winning participant; and determining an amount of a group bet payout for at least one of the group bets. 2. The method of 3. The method of 4. The method of 5. The method of 6. The method of 7. The method of 8. The method of the subset of the participants includes the winning participant; and the amount of the determined group bet payout is the same regardless of which particular participant in the subset of the participants is the winning participant. 9. The method of the subset of the participants does not include the winning participant; and the amount of the group bet payout is determined to be zero based on the subset of the participants not including the winning participant. 10. The method of 11. The method of determining the odds of winning for the particular participant based at least in part on the one or more received win bets; and wherein the amount of the group bet payout is determined based at least in part on the odds of winning for the particular participant. 12. The method of selecting a participant from the subset of participants; and determining the total amount of the win bets that comprise a bet on any participant in the set of participants except for the selected participant. 13. The method of receiving a notification that one or more of the participants will not compete in the event; and canceling at least a portion of the one or more group bets. 14. The method of 15. The method of 16. The method of wherein determining the amount of the group bet payout comprises reallocating the amount of the group bet among the remaining participants in the subset of participants. 17. The method of determining as a first amount the portion of the group bet allocated to the winning participant; determining as a second amount the total portion of the group bet allocated among the participants in the set of participants except for the winning participant; determining as a third amount the total amount of the win bets that comprise a bet on any of the participants in the set of participants except for the winning participant; determining as a fourth amount the total amount of the win bets that comprise a bet on the winning participant; and determining the amount of the group bet payout based at least on the first amount, the second amount, the third amount, and the fourth amount. 18. The method of determining a fifth amount by multiplying the sum of the second amount and the third amount by the first amount determining a sixth amount by dividing the fifth amount by the sum of the first amount and fourth amount; adding the sixth amount and the first amount. 19. The method of wherein the amount of the group bet is allocated to each participant in the subset of participants in proportion to the determined total amounts of the win bets associated with that participant. 20. The method of determining as a first amount the total amount of the win bets that comprise a bet on the winning participant; determining as a second amount the total portion of the group bet allocated among the participants in the set of participants except for the winning participant; determining as a third amount the total amount of the win bets that comprise a bet on any of the participants in the set of participants except for the winning participant; determining as a fourth amount the total portion of the group bet allocated to the winning participant; and determining the amount of the payout for at least a portion of the win bets that comprise a bet on the winning participant based at least on the first amount, the second amount, the third amount, and the fourth amount. 21. The method of determining a fifth amount by multiplying the sum of the second amount and the third amount by the first amount determining a sixth amount by dividing the fifth amount by the sum of the first amount and fourth amount; adding the sixth amount and the first amount. 22. A system for managing bets, comprising:
a memory operable to store:
one or more win bets, each win bet comprising a bet that a participant selected from a set of participants in an event will win the event;
one or more group bets, each group bet comprising a bet that one of a subset of the set of participants will win the event, wherein the subset comprises a plurality of the set of participants; and
results of the event identifying a winning participant from the set of participants; and
a processor coupled to the memory and operable to:
determine an amount of a win bet payout for at least a portion of the win bets that comprise a bet on the winning participant; and
determine an amount of a group bet payout for at least one of the group bets.
23. The system of 24. The system of 25. The system of 26. The method of 27. The system of 28. The system of 29. The system of the subset of the participants includes the winning participant; and the amount of the determined group bet payout is the same regardless of which particular participant in the subset of the participants is the winning participant. 30. The system of the subset of the participants does not include the winning participant; and the processor is operable to determine the amount of the group bet payout to be zero based on the subset of the participants not including the winning participant. 31. The system of 32. The system of a particular participant in the set of participants is not included in the subset of participants; the processor is further operable to determine the odds of winning for the particular participant based at least in part on the one or more received win bets; and the amount of the group bet payout is determined based at least in part on the odds of winning for the particular participant. 33. The system of selecting a participant from the subset of participants; and determining the total amount of the win bets that comprise a bet on any participant in the set of participants except for the selected participant. 34. The system of receive a notification that one or more of the participants will not compete in the event; and cancel at least a portion of the one or more group bets. 35. The system of 36. The system of 37. The system of the processor is further operable to receive a notification that one or more of the participants in the subset of participants will not compete in the event; and determining the amount of the group bet payout comprises reallocating the amount of the group bet among the remaining participants in the subset of participants. 38. The system of determining as a first amount the portion of the group bet allocated to the winning participant; determining as a second amount the total portion of the group bet allocated among the participants in the set of participants except for the winning participant; determining as a third amount the total amount of the win bets that comprise a bet on any of the participants in the set of participants except for the winning participant; determining as a fourth amount the total amount of the win bets that comprise a bet on the winning participant; and determining the amount of the group bet payout based at least on the first amount, the second amount, the third amount, and the fourth amount. 39. The system of determining a fifth amount by multiplying the sum of the second amount and the third amount by the first amount determining a sixth amount by dividing the fifth amount by the sum of the first amount and fourth amount; adding the sixth amount and the first amount. 40. The system of wherein the amount of the group bet is allocated to each participant in the subset of participants in proportion to the determined total amounts of the win bets associated with that participant. 41. The system of determining as a first amount the total amount of the win bets that comprise a bet on the winning participant; determining as a fourth amount the total portion of the group bet allocated to the winning participant; and determining the amount of the payout for at least a portion of the win bets that comprise a bet on the winning participant based at least on the first amount, the second amount, the third amount, and the fourth amount. 42. The system of adding the sixth amount and the first amount. Description [0001] Wagering on sporting events, such as horse races, for example, is a large and growing industry in many parts of the world. Various types of betting products or systems are available for various types of sporting events For example, typical horse racing bets allow bettors to bet on a single horse or on several horses in a particular race or series of races. For instance, a bettor can bet on a particular horse to finish first (win), finish in the top two (place), or finish in the top three (show). A bettor may also make various combination bets with multiple horses, such as an exacta bet (covering the top two horses in order) or a trifecta bet (covering the top three horses in order). In addition, a bettor may bet on a series of races, such as the daily double (winners of two consecutive races), the pick-three (winners of three consecutive races), and the pick-six (winners of six consecutive races), for example. [0002] In a pari-mutuel betting system, all bets regarding a particular event are aggregated, a commission (or “take-out”) is taken by the track, and the remainder is distributed among the winning bettors. For example, pari-mutuel betting systems are commonly used in North America (and other various places throughout the world) for betting on horse races. [0003] According to one embodiment, a method of managing bets is provided. The method includes receiving one or more win bets and one or more group bets. Each win bet includes a bet that a participant selected from a set of participants in an event will win the event. Each group bet includes a bet that one of a subset of the set of participants will win the event, wherein the subset includes a plurality of the set of participants. Results of the event identifying a winning participant from the set of participants are received. An amount of a win bet payout for at least a portion of the win bets that comprise a bet on the winning participant is determined. An amount of a group bet payout for at least one of the group bets is also determined. [0004] According to another embodiment, a system for managing bets is provided. The system includes a memory coupled to a processor. The memory is operable to store one or more win bets and one or more group bets. Each win bet includes a bet that a participant selected from a set of participants in an event will win the event. Each group bet includes a bet that one of a subset of the set of participants will win the event, wherein the subset includes a plurality of the set of participants. The memory is also operable to store results of the event identifying a winning participant from the set of participants. The processor is operable to determine an amount of a win bet payout for at least a portion of the win bets that comprise a bet on the winning participant, and also to determine an amount of a group bet payout for at least one of the group bets. [0005] Various embodiments of the present invention may benefit from numerous advantages. It should be noted that one or more embodiments may benefit from some, none, or all of the advantages discussed below. [0006] One advantage of the invention is that in an event which includes a set of participants, a bettor may bet on a subset of the set of participants, and win the bet if any of the subset of participants wins the event. Thus, for example, a bettor who believes that a particular participant in an event will not win the event, but is unsure of which other participant to bet on, may purchase a group bet which includes a group of participants which excludes the particular participant. For example, a bettor who believes that the favorite in a horse race will not win the race, but is unsure on which other horse to bet, may purchase a group bet which includes every horse in the field except for the favorite. [0007] In this manner, a bettor may bet on all horses other than the favorite (or another particular horse), thus effectively betting against the favorite, without having to place individual bets on each of the non-favorite horses. In some situations, a bettor may make such a group bet on an event when he or she otherwise would not have made a bet on the event, since the bettor need not place individual bets on each of the non-favorite horses. This may increase the total pool of wagers on the event, which may increase profits at least for the one or more entities that collect a percentage of the take-out on such wagers. [0008] Another advantage of the invention is that such group bets may be provided in a pari-mutuel betting system in which all bets regarding a particular event are pooled. [0009] Other advantages will be readily apparent to one having ordinary skill in the art from the following figures, descriptions, and claims. [0010] For a more complete understanding of the present invention and for further features and advantages, reference is now made to the following description, taken in conjunction with the accompanying drawings, in which: [0011]FIG. 1 illustrates a system for receiving and managing win bets and group bets in accordance with an embodiment of the present invention; [0012]FIGS. 2A, 2B and [0013]FIG. 3A illustrates various equations for calculating the potential payouts and profits for both win bets and group bets, accounting for take-out; [0014]FIG. 3B illustrates various equations for calculating the potential payouts and profits for both win bets and group bets, without accounting for take-out; [0015]FIGS. 4A through 4F are charts illustrating various payouts for win bets and group bets for various results of an example horse race using the equations shown in FIGS. 3A and 3B in accordance with an embodiment of the present invention; [0016]FIG. 5 is a flowchart illustrating an example method of receiving, managing, and paying win bets and group bets in accordance with an embodiment of the present invention; [0017]FIG. 6 is a flowchart illustrating an example method of determining various odds, payouts and/or profits for win bets in accordance with an embodiment of the present invention; and [0018]FIG. 7 is a flowchart illustrating an example method of determining various odds, payouts and/or profits for group bets in accordance with an embodiment of the present invention. [0019]FIG. 1 illustrates an example system [0020] System [0021] By placing a group bet [0022] In some embodiments, more than one different group bet [0023] In alternative embodiments, the group of participants covered by a particular group bet [0024] In some embodiments, system [0025] Group bets [0026] Betting system interfaces [0027] Track interfaces [0028] As shown in FIG. 1, betting system interfaces [0029] Telephone operators [0030] In some embodiments, one or more websites [0031] Some or all of the betting system interfaces [0032] As discussed above, betting system platform [0033] As discussed above, betting system platform [0034] Memory [0035] As discussed above, one or more communications networks [0036] As discussed above, processor [0037] As shown in FIG. 1, current odds data [0038]FIGS. 2A, 2B and [0039]FIG. 2B illustrates current odds data [0040] As discussed above, processor [0041] As discussed above, FIG. 3A illustrates various equations for calculating the current potential payout for both win bets [0042] The AC group bet pool equation [0043] The participant's AC win bet stake equation [0044] The total AC win bet stake equation [0045] The AC group-participant win bet pool equation [0046] The total AC pool on all participants equation [0047] The AC group bet pool allocation equation [0048] The participant's total AC stake equation [0049] Each of the alternative total AC group bet payout equations, [0050] It should be understood that using the equations shown in FIG. 3A, the AC group bet payout will be the same if any of the subset of participants covered by the group bet [0051] The total AC group bet profit equation [0052] Each of the alternative AC payout per group bet unit currency equations, [0053] According to equation [0054] Each of the alternative total AC win bet payout equations [0055] The total AC win bet profit equation [0056] Each of the alternative AC payout per win bet unit currency equations [0057] According to equation [0058] As discussed above, FIG. 3B illustrates various equations for calculating the current potential payout for both win bets [0059]FIGS. 4A through 4F may be used to illustrate the calculation of payouts and profits for win bets [0060] Each of FIGS. 4A through 4E illustrates the calculation of the potential payouts and profits for win bets and group bets if a particular horse were to win the race. In particular, FIG. 4A illustrates the calculation of the potential payouts and profits if Horse # [0061]FIG. 4A illustrates a payout table [0062] Payout table [0063] Stakes table [0064] Various data within BC section [0065] Regarding AC section [0066] In addition, as discussed above, the payouts and profits shown in payout table [0067] Similarly, the various payouts and profits calculated without or before take-out, as indicated along row [0068] In this manner, the various payouts and profits included in payout table [0069] In view of FIGS. 4A, 4B, [0070]FIG. 4F illustrates a payout table [0071]FIG. 5 is a flowchart illustrating an example method of receiving, managing, and paying win bets [0072] Each win bet [0073] At step [0074] At step [0075] At step [0076] At least portions of steps [0077] At step [0078] If the betting pool is still open, the method may return to steps [0079] Thus, it should be understood that each time the method returns to steps [0080] If it is determined at step [0081] At step [0082] At step [0083]FIG. 6 is a flowchart illustrating an example method of determining various odds, payouts and/or profits for win bets [0084] At step [0085] At step [0086] At step [0087] At step [0088] At step [0089]FIG. 7 is a flowchart illustrating an example method of determining various odds, payouts and/or profits for group bets [0090] At step [0091] At step [0092] At step [0093] At step [0094] At step [0095] It should be understood that in various embodiments, the steps of the methods shown in FIGS. 5, 6 and [0096] Although embodiments of the invention and their advantages are described in detail, a person skilled in the art could make various alterations, additions, and omissions without departing from the spirit and scope of the present invention as defined by the appended claims. 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