CN112687046A - Method and system for balancing prize winning rate and prize returning rate of prize pool - Google Patents
Method and system for balancing prize winning rate and prize returning rate of prize pool Download PDFInfo
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Abstract
The invention provides a method and a system for balancing the winning rate and the return rate of a prize-winning pool, comprising the following steps: for the floating prize-winning pool, a plurality of prize-winning pools with different prize-winning rates and prize-returning rates and certain associated events are combined into a large prize-winning pool, and the bet amount of each bet option is redistributed to balance the prize-winning rate and the prize-returning rate of the prize-winning pool. Therefore, the invention is favorable for betting by entertainment type lottery buyers.
Description
Technical Field
The invention relates to the technical field of lottery ticket prize exchange management, in particular to a method and a system for balancing the prize winning rate and the prize returning rate of a prize pool.
Background
With the vigorous development of the lottery industry, more lottery players are attracted to pay attention to and participate in the lottery, and a plurality of different prize pools of certain associated events exist for a floating prize pool. Among them, the progressive bet often appears in the progressive game of "the low prize-returning rate, the low prize-winning rate", and the progressive bet often appears in the progressive game of "the low prize-returning rate, the high prize-winning rate", therefore, there is an urgent need for a method and a system for equalizing the prize-winning rate and the prize-returning rate of the progressive pool, so as to equalize the prize-winning rate and the prize-returning rate of the progressive pool, and better adapt to the betting lottery buyer's bet.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a method and a system for equalizing the winning rate and the return rate of a prize pool, so as to equalize the winning rate and the return rate of the prize pool and better adapt to the betting of entertaining lottery buyers.
The application provides a method for balancing a prize pool winning rate and a prize return rate, comprising:
for the floating prize-winning pool, a plurality of prize pools with different winning rates and returning rates and certain associated events are combined into a large prize pool, and the bet amount of each bet option is redistributed to balance the winning rate and the returning rate of the prize pools.
Preferably, the combining conditions are:
all the betting combinations can be split into one or more mutually exclusive atomic options;
ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; and
all atomic options have the same chance to share all wagers.
Preferably, the method comprises the steps of:
s1, allocating the bet amount to the corresponding atomic option according to the bet amount proportion of the last time;
s2, respectively accumulating the accumulated investment points of the current atomic option, and calculating the new odds of the atomic option;
s3, respectively calculating the winning amount of each atomic new bet amount based on the new odds, and judging whether the winning amount corresponding to each atomic option is within the specified error threshold value; if not, returning to execute the step S1 until the judgment of S3 is yes; if yes, stopping returning.
Preferably, the odds for the original base game are calculated by the formula:
wherein, Omaster-iRepresenting odds for a single option in the original base game; wmaster(1-r) represents the total bet amount of all the options in the prize pool that can participate in the prize awarding; o ismaster-iA bet amount indicating a single option in the base game; r represents the commission ratio.
Preferably, the algorithm formula for splitting each bet of another game to be merged with is as follows according to the odds of the base game:
wherein, Omaster-1Representing a base odds for a wagering option 1 in the first set of the combination game in the base game; o ismaster-2Representing a base odds for a wagering option 2 in the first set of the combination game in the base game; x1A wager amount representing an allocation of wager option 1 in the first set of the combination game; x2A wager amount representing an allocation of wager options 2 in the first set of the combination game;
Omaster-(n-1)representing a base odds of the wagering option N-1 in the nth group of the combination game in the base game; xn-1A wager amount representing an allocation of a wager option N-1 in the Nth set of the combination game;
Omaster-nrepresenting a base odds in the base game for the wagering options N in the nth set of the combination game; xnA wager amount representing an allocation of a wager option N in the nth set of the combination game; wslaveA wager amount representing a cumulative allocation of wagers from the first group to the Nth group in the combination game; xjIndicating a tiredness in a combination gameCounting the bet amount; n represents the number of wagering options per group in the combination game; j represents the number of wagering options in the combination game.
Preferably, the total betting amount of the two prize pools is merged, and the algorithm formula for calculating the odds of the merged prize pool betting option is as follows:
wherein, Omeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool; wmeg-tThe total betting amount which represents the accumulation of each betting option in the merger award pool; r represents the commission ratio; j represents the number of sets of the combination game; wmeg-iA bet amount representing a single bet option of the consolidated prize pool; o ismeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool;
wherein the content of the first and second substances,
wherein, Wmeg-tThe total betting amount which represents the accumulation of each betting option in the merger award pool; wmeg-iA bet amount representing a single option in the pool; n represents n betting options; i denotes the ith betting option.
Preferably, after merging the prize pools, the algorithm formula for calculating the amount of each bet and the odds rate of each bet incorporated into the game is as follows:
Dslave-i＝Omeg-i·Wslave-i；
wherein D isslave-iA final award amount representing a single group of the composite game; o ismeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool; wslave-iA bet amount representing a single set of the combination game; o isslave-iRepresenting average odds for groups of the combination game; dslave-iFinal awards representing a single set of combination gamesAn amount; wslave-iIndicating the amount wagered by the single group of combination games.
The present application further provides a system for balancing a prize-winning rate and a prize-return rate of a prize pool, comprising:
and the balancing module is used for merging a plurality of prize pools with different winning rates and return rates and certain associated events into a large prize pool for the floating prize pool, and re-allocating the bet amount of each bet option so as to balance the winning rate and the return rate of the prize pool.
Preferably, the combining conditions include:
all the betting combinations can be split into one or more mutually exclusive atomic options;
ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; and
all atomic options have the same chance to share all wagers.
Preferably, the equalization module includes:
the merging submodule is used for merging a plurality of prize pools with different winning rates and return rates and certain associated events into a jackpot pool;
the apportioning submodule is used for apportioning the bet amount to the corresponding atomic option according to the bet amount proportion of the last time;
the calculation submodule is used for respectively accumulating the accumulated investment points of the current atomic option and calculating the new odds of the atomic option;
the judgment submodule is used for respectively calculating the winning amount under the new bet amount of each atom based on the new odds and judging whether the winning amount corresponding to each atom option is within the specified error threshold value;
and if the judgment of the judgment submodule is negative, returning to execute the function of the apportionment submodule until the judgment of the judgment submodule is positive, and stopping returning.
In conclusion, the invention is beneficial to balancing the winning rate and the return rate of the prize-winning pool. So as to be favorable for better adapting to the betting of entertainment type lottery buyers.
Drawings
FIG. 1 is a schematic diagram of a method for equalizing a prize pool win rate and a return rate according to the present application;
FIG. 2 is a schematic diagram of a system for equalizing a prize pool win rate and a return rate according to the present application;
fig. 3 is a schematic diagram of a balancing module of the system for balancing a prize pool winning rate and a return prize rate of the present application.
Detailed Description
The present application will be described below with reference to the drawings in the embodiments of the present application.
Example one
The application provides a method for balancing a prize pool winning rate and a prize return rate, comprising:
for the floating prize-winning pool, a plurality of prize-winning pools with different prize-winning rates and prize-returning rates and certain associated events are combined into a large prize-winning pool, and the bet amount of each bet option is redistributed to balance the prize-winning rate and the prize-returning rate of the prize-winning pool.
Wherein the merging condition is as follows:
all the betting combinations can be split into one or more mutually exclusive atomic options; wherein the atomic option refers to a wagered item option;
ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; and
all atomic options have the same chance to share all wagers.
Wherein, the method comprises the following steps:
s1, allocating the bet amount to the corresponding atomic option according to the bet amount proportion of the last time;
s2, respectively accumulating the accumulated investment points of the current atomic option, and calculating the new odds of the atomic option;
s3, respectively calculating the winning amount of each atomic new bet amount based on the new odds, and judging whether the winning amount corresponding to each atomic option is within the specified error threshold value; if not, returning to execute the step S1 until the judgment of S3 is yes; if yes, stopping returning.
Wherein, the formula for calculating the odds of the original basic game is as follows:
wherein, Omaster-iRepresenting odds for a single option in the original base game; wmaster(1-r) represents the total bet amount of all the options in the prize pool that can participate in the prize awarding; o ismaster-iA bet amount indicating a single option in the base game; r represents the commission ratio.
Wherein, according to the odds of the base game, the algorithm formula for splitting each bet of another game to be merged with the base game is as follows:
wherein, Omaster-1Representing a base odds for a wagering option 1 in the first set of the combination game in the base game; o ismaster-2Representing a base odds for a wagering option 2 in the first set of the combination game in the base game; x1A wager amount representing an allocation of wager option 1 in the first set of the combination game; x2A wager amount representing an allocation of wager options 2 in the first set of the combination game;
Omaster-(n-1)representing a base odds of the wagering option N-1 in the nth group of the combination game in the base game; xn-1A wager amount representing an allocation of a wager option N-1 in the Nth set of the combination game;
Omaster-nrepresenting a base odds in the base game for the wagering options N in the nth set of the combination game; xnA wager amount representing an allocation of a wager option N in the nth set of the combination game; wslaveA wager amount representing a cumulative allocation of wagers from the first group to the Nth group in the combination game; xjRepresenting a cumulative wager amount in the combination game; n represents the number of wagering options per group in the combination game; j represents the number of wagering options in the combination game.
The total betting amount of the two prize pools is merged, and an algorithm formula for calculating the odds ratio of the merged prize pool betting options is as follows:
wherein, Omeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool; wmeg-tThe total betting amount which represents the accumulation of each betting option in the merger award pool; r represents the commission ratio; j represents the number of sets of the combination game; wmeg-iA bet amount representing a single bet option of the consolidated prize pool; o ismeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool;
wherein the content of the first and second substances,
wherein, Wmeg-tThe total betting amount which represents the accumulation of each betting option in the merger award pool; wmeg-iA bet amount representing a single option in the pool; n represents n betting options; i denotes the ith betting option.
Wherein, the new odds of the game with a large number of combinations are the odds after the prize pool is merged.
After merging the prize pools, the algorithm formulas for calculating the amount of each bet and the odds rate of each bet which are merged into the game are respectively as follows:
Dslave-i＝Omeg-i·Wslave-i；
wherein D isslave-iA final award amount representing a single group of the composite game; o ismeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool; wslave-iA bet amount representing a single set of the combination game; o isslave-iRepresenting average odds for groups of the combination game; dslave-iA final award amount representing a single set of the composite game; wslave-iWagering representing a composite playsetThe amount of money.
For further explanation of the present application, the following are specifically exemplified:
assuming a 3 horse race, there may be 6 ranking results as shown in table 1 below.
TABLE 1
Wherein, if the bet 1 number wins alone, the bet includes the serial number 01/02;
bet 1, advanced by 2, including serial number 01/02/03/05;
for example, the ticket T (01-02-03) corresponds to serial number 01.
Wherein, the merging principle is as follows:
all betting combinations can be split into one or more mutually exclusive "atomic options" { whether it is a single win, a place, a single T bet option, it can be split into one or more of the above 6 combinations };
ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; { when the winning number 1 is selected, it is guaranteed that the winning amount is consistent whether the number 01 is won or the number 02 is won };
all atomic options have the same chance to share all the bet amount; { finally all the amounts are split into combinations as in 6 above, all participating in the split of the total bet amount.
Further, assume that the initial wager amounts for all atomic options are as follows, with the first combination being 10 dollars and the others being 2 dollars. Then, how to guarantee the split of the bet amount when betting once more for the win of horse No. 1 (bet amount 4 yuan)?
Introduction of an algorithm:
according to the proportion of the last bet amount, the bet amount is allocated to the corresponding atomic option;
respectively accumulating the accumulated investment points of the current atomic option, and calculating the new odds of the atomic option;
respectively calculating the winning amount of each atomic new bet amount based on the new odds (the relationship between the "odds" and the "return odds" in the present application is: the return odds ═ the bet amount ═ the odds/the bet amount), and checking whether the winning amounts corresponding to each atomic option are consistent (or within certain error)?
For the above steps, if the two are inconsistent (or no longer within the error), the bet amount is redistributed according to the new accumulated bet amount until the following conditions are met: the winning amounts for each atomic option are the same (or within a certain range).
Table 2 below shows the betting contribution and odds and the winning calculation results after the pooling of the prize pools.
TABLE 2
Example two
Based on the method in the first embodiment, the present application further provides a system for equalizing a prize-winning rate of a prize pool and a prize-returning rate, comprising:
and the balancing module is used for merging a plurality of prize pools with different winning rates and return rates and certain associated events into a large prize pool for the floating prize pool, and re-allocating the bet amount of each bet option so as to balance the winning rate and the return rate of the prize pool.
Wherein the merging condition comprises: all the betting combinations can be split into one or more mutually exclusive atomic options; ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; and all atomic options have the same chance to share all wagers.
Wherein, the equalization module comprises:
the merging submodule is used for merging a plurality of prize pools with different winning rates and return rates and certain associated events into a jackpot pool;
the apportioning submodule is used for apportioning the bet amount to the corresponding atomic option according to the bet amount proportion of the last time;
the calculation submodule is used for respectively accumulating the accumulated investment points of the current atomic option and calculating the new odds of the atomic option;
the judgment submodule is used for respectively calculating the winning amount under the new bet amount of each atom based on the new odds and judging whether the winning amount corresponding to each atom option is within the specified error threshold value;
and if the judgment of the judgment submodule is negative, returning to execute the function of the apportionment submodule until the judgment of the judgment submodule is positive, and stopping returning.
In conclusion, the invention is beneficial to balancing the winning rate and the return rate of the prize-winning pool. So as to be favorable for better adapting to the betting of entertainment type lottery buyers.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method for equalizing a prize pool win rate and a return rate, comprising:
for the floating prize-winning pool, a plurality of prize pools with different winning rates and returning rates and certain associated events are combined into a large prize pool, and the bet amount of each bet option is redistributed to balance the winning rate and the returning rate of the prize pools.
2. The method of claim 1, wherein the merging is conditioned by:
all the betting combinations can be split into one or more mutually exclusive atomic options;
ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; and
all atomic options have the same chance to share all wagers.
3. The method of claim 1, comprising the steps of:
s1, allocating the bet amount to the corresponding atomic option according to the bet amount proportion of the last time;
s2, respectively accumulating the accumulated investment points of the current atomic option, and calculating the new odds of the atomic option;
s3, respectively calculating the winning amount of each atomic new bet amount based on the new odds, and judging whether the winning amount corresponding to each atomic option is within the specified error threshold value; if not, returning to execute the step S1 until the judgment of S3 is yes; if yes, stopping returning.
4. The method of claim 1, wherein the odds for the original base game are calculated by the formula:
wherein, Omaster-iRepresenting odds for a single option in the original base game; wmaster(1-r) represents the total bet amount of all the options in the prize pool that can participate in the prize awarding; wmaster-iA bet amount indicating a single option in the base game; r represents the commission ratio.
5. The method of claim 4, wherein the algorithmic formula to split each wager of another game to be merged with based on odds of the base game is:
wherein, Omaster-1Representing a base odds for a wagering option 1 in the first set of the combination game in the base game; o ismaster-2Representing a base odds for a wagering option 2 in the first set of the combination game in the base game; x1A wager amount representing an allocation of wager option 1 in the first set of the combination game; x2Representing in a first group of a combination gameThe assigned wager amount for wager option 2; o ismaxter-(n-1)Representing a base odds of the wagering option N-1 in the nth group of the combination game in the base game; xn-1A wager amount representing an allocation of a wager option N-1 in the Nth set of the combination game; o ismaster-nRepresenting a base odds in the base game for the wagering options N in the nth set of the combination game; xnA wager amount representing an allocation of a wager option N in the nth set of the combination game; wslaveA wager amount representing a cumulative allocation of wagers from the first group to the Nth group in the combination game; xjRepresenting a cumulative wager amount in the combination game; n represents the number of wagering options per group in the combination game; j represents the number of wagering options in the combination game.
6. The method of claim 5, wherein the betting total of the two pools is consolidated, and the formula of the algorithm for calculating the odds for the consolidated pool betting option is:
wherein, Omeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool; wmeg-tThe total betting amount which represents the accumulation of each betting option in the merger award pool; r represents the commission ratio; j represents the number of sets of the combination game; wmeg-iA bet amount representing a single bet option of the consolidated prize pool; o ismeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool;
wherein the content of the first and second substances,
wherein, Wmeg-tThe total betting amount which represents the accumulation of each betting option in the merger award pool; wmeg-iA bet amount representing a single option in the pool; n represents n betting options; i denotes the ith betting option.
7. The method of claim 6, wherein the algorithmic formulas for calculating the payout and odds per wager for incorporation into the game after pooling the prize pools are:
Dslave-i＝Omeg-i·Wslave-i；
wherein D isslave-iA final award amount representing a single group of the composite game; o ismeg-iRepresenting an odds rate for a single bet option of the consolidated prize pool; wslave-iA bet amount representing a single set of the combination game; o isslave-iRepresenting average odds for groups of the combination game; dslave-iA final award amount representing a single set of the composite game; wslave-iIndicating the amount wagered by the single group of combination games.
8. A system for equalizing a prize pool win rate and a return rate, comprising:
and the balancing module is used for merging a plurality of prize pools with different winning rates and return rates and certain associated events into a large prize pool for the floating prize pool, and re-allocating the bet amount of each bet option so as to balance the winning rate and the return rate of the prize pool.
9. The system of claim 8, wherein the merging condition comprises:
all the betting combinations can be split into one or more mutually exclusive atomic options;
ensuring that the winning sums of the atomic options split by each betting combination are consistent under the winning condition; and
all atomic options have the same chance to share all wagers.
10. The system of claim 9, wherein the equalization module comprises:
the merging submodule is used for merging a plurality of prize pools with different winning rates and return rates and certain associated events into a jackpot pool;
the apportioning submodule is used for apportioning the bet amount to the corresponding atomic option according to the bet amount proportion of the last time;
the calculation submodule is used for respectively accumulating the accumulated investment points of the current atomic option and calculating the new odds of the atomic option;
the judgment submodule is used for respectively calculating the winning amount under the new bet amount of each atom based on the new odds and judging whether the winning amount corresponding to each atom option is within the specified error threshold value;
and if the judgment of the judgment submodule is negative, returning to execute the function of the apportionment submodule until the judgment of the judgment submodule is positive, and stopping returning.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040111358A1 (en) * | 1999-07-21 | 2004-06-10 | Jeffrey Lange | Enhanced parimutuel wagering |
| US20040198483A1 (en) * | 2003-04-03 | 2004-10-07 | Amaitis Lee M. | System and method for betting on a subset of participants in an event |
| US20110306409A1 (en) * | 2010-06-11 | 2011-12-15 | Scott Shechtman | Enhanced parimutuel platform for wagering |
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2020
- 2020-12-14 CN CN202011472003.7A patent/CN112687046A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040111358A1 (en) * | 1999-07-21 | 2004-06-10 | Jeffrey Lange | Enhanced parimutuel wagering |
| US20040198483A1 (en) * | 2003-04-03 | 2004-10-07 | Amaitis Lee M. | System and method for betting on a subset of participants in an event |
| US20110306409A1 (en) * | 2010-06-11 | 2011-12-15 | Scott Shechtman | Enhanced parimutuel platform for wagering |
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Application publication date: 20210420 |