JP5465437B2 - Game machine - Google Patents

Description

  The present invention relates to a gaming machine that changes an internal winning probability to change a player's degree of advantage.

  2. Description of the Related Art Conventionally, for example, a gaming machine such as a slot machine that generates a probability variation state in which the internal winning probability of a bonus combination is higher than a normal state is known (see, for example, Patent Document 1). In such a gaming machine game, there are various conditions for the occurrence or termination of the probability variation state.

  In the case of a slot machine, in general, when a bonus game ends or a specific small role wins, a probability fluctuation state occurs, and when a predetermined number of games are consumed or the bonus is internally The probability variation state ends at the time of winning. As described above, the probability variation state is generally set to end when a predetermined period elapses after the occurrence, and during that period, it can be a period in which the player has a high expectation. Furthermore, there is also a proposal of a gaming machine that increases the sense of expectation and tension for the occurrence of the probability variation state by making it impossible to determine from the appearance whether or not the probability variation state has occurred.

  However, the conventional gaming machine has the following problems. During a period in which the probability fluctuation state has not occurred, the player cannot maintain a high sense of expectation, which may cause a decrease in game motivation. On the other hand, if the occurrence period of the probability variation state cannot be grasped, it becomes difficult to grasp the internal winning probability for each game, and how much you can benefit from the probability variation state by comparing with the actual jackpot probability as a game result Or the player's pleasure of judging whether his pull (lottery luck) was strong or weak could be lost.

JP 2007-244559 A

  The present invention has been made in view of the above-mentioned conventional problems, and in a gaming machine in which the internal winning probability fluctuates, it is difficult to determine from the player side whether or not the probability variation state is in the game willingness. An object of the present invention is to provide a gaming machine with excellent characteristics that enhances the interest of the game by configuring the player so that the player can grasp the degree of benefit of the probability variation state while suppressing the decrease.

The present invention includes an internal lottery means for executing an internal lottery for determining whether or not the jackpot is won based on the start of the game based on a preset internal winning probability;
Lottery result display means for displaying the lottery result by the internal lottery means;
Jackpot generating means for winning a jackpot when the lottery result displayed by the lottery result display means is a jackpot and generating a jackpot state advantageous to the player,
A gaming machine in which the internal winning probability set in the internal winning means is variable,
Jackpot probability calculating means for calculating a jackpot probability indicating a ratio of the number of occurrences of the jackpot state to the number of times the game is executed for a predetermined period;
Average probability calculating means for calculating an average probability that is an average value of the internal winning probabilities set in the internal lottery means for the predetermined period;
A gaming machine comprising: display means for displaying the jackpot probability and the average probability to the player (Claim 1).

  The internal lottery means in the gaming machine of the present invention can change the internal winning probability at the time of the internal lottery for determining whether or not the jackpot is successful. In the game of the gaming machine, it is difficult for a player to accurately grasp the internal winning probability during the game unless there is a notification that the internal winning probability has changed. Although the player can grasp the probability of jackpot as a game result by an actual game to some extent, the player can determine whether he / she has benefited from the internal winning probability on the gaming machine side, There is a risk that it may be difficult to make a decision as to whether the drawing (lottery luck) is good or bad.

  On the other hand, the gaming machine of the present invention has the jackpot probability in addition to the jackpot probability calculating means for calculating the jackpot probability for the predetermined period and the average probability calculating means for calculating the average probability for the predetermined period. And the display means for displaying the average probability. The jackpot probability is a ratio of the number of occurrences of the jackpot state to the number of times the game is executed in an actual game. On the other hand, the average probability is an average value of the internal winning probabilities set in the gaming machine, and means a theoretical probability that a jackpot can be won.

  If the jackpot probability displayed by the display means is compared with the average probability, the player can see how much he / she can benefit from the fluctuation of the internal winning probability, You can enjoy the game while judging whether it was strong or weak. For example, if the jackpot probability is good, if the average probability is about the same as the jackpot probability, the player can fully enjoy the benefits of fluctuation of the internal winning probability and the player can enjoy the satisfaction. . On the other hand, if the average probability is lower than the jackpot probability, it means that the pull was accidentally strong rather than benefiting from the fluctuation of the internal winning probability. In this case, since it does not benefit from the fluctuation of the internal winning probability, it can be said that the satisfaction is not so high as compared to the former case.

  As described above, the gaming machine of the present invention is a gaming machine in which the internal winning probability varies, and has excellent characteristics such that the player can grasp the degree of benefit due to the variation in the internal winning probability. In this gaming machine, since it is not necessary to notify that the internal winning probability has changed, it is possible to avoid the possibility that the willingness of the game will decrease according to the notification.

  Examples of the gaming machine of the present invention include a slot machine having an internal lottery function, a pachinko machine called a so-called digital machine having an internal lottery function, and the like. Further, the slot machine may be a slot machine in a narrow sense using medals or coins as game media, or a parrot (R) using pachinko balls as game media.

The lottery configured to display a variety of symbols in a plurality of symbol display areas in a variable manner according to a predetermined arrangement, and to display the lottery result by a combination of symbols stopped and displayed in the symbol display areas. A result display means;
Game start operation means operated by the player to start the game with the game medium inserted;
A stop operation means operated by a player to stop the display of variation of symbols by the lottery result display means;
In response to the operation of the game start operation means, the symbol variation display by the lottery result display means is started, and in accordance with the operation of the stop operation means, the symbol corresponding to the internal winning combination is within a predetermined pull-in range. Display control means for drawing in and stopping display in the symbol display area;
Winning determination means for determining whether a winning has occurred based on a combination of symbols stopped and displayed in each symbol display area of the lottery result display means;
A profit granting means for granting a player a profit corresponding to the winning when the winning determining means determines that a winning has occurred,
The internal lottery means preferably executes an internal lottery for determining an internal winning combination from a plurality of types including a big winning combination corresponding to the jackpot (Claim 2).

  In this case, in addition to the big winning combination, other combinations such as replay and small combination may be set as targets for changing the internal winning probability. If the internal winning probability of the role advantageous to the player is changed, the player's expectation for the change of the internal winning probability can be increased, and the operational effect of the present invention can be realized.

Further, it is preferable that the internal lottery means can be set with different internal winning probabilities for each game in accordance with a game start operation time point that is an operation time point of the game start operation means.
In this case, since the internal winning probability can vary from game to game, it is more difficult to estimate the average internal winning probability within the predetermined period. Therefore, the effect of displaying the average probability can be more remarkable.

FIG. 3 is a front view illustrating an appearance of the slot machine according to the first embodiment. FIG. 3 is a development view showing a developed arrangement of symbols arranged on the outer periphery of the reel in the first embodiment. Explanatory drawing which shows the role of a slot machine, a winning symbol, and profit in Example 1. FIG. FIG. 3 is a block diagram showing an electrical configuration of the slot machine in the first embodiment. Explanatory drawing which illustrates the internal lottery table for drawing the internal winning combination in Example 1. FIG. Explanatory drawing which illustrates the 1st state transition lottery table for state transition lottery in Example 1. FIG. Explanatory drawing which illustrates the 2nd state transition lottery table for state transition lottery in Example 1. FIG. Explanatory drawing explaining wait time and non-wait time in Example 1. FIG. FIG. 3 is an explanatory diagram illustrating an average probability calculated by an average probability calculating unit in the first embodiment. The front view which shows the operation timing alerting | reporting screen in Example 1. FIG. FIG. 3 is a front view showing a data display screen in the first embodiment.

The embodiment of the present invention will be specifically described with reference to the following examples.
Example 1
This example is an example relating to a slot machine 1 (game machine) having a function of changing the internal winning probability. The contents will be described with reference to FIGS.

  First, the external configuration of the slot machine 1 of this example will be described with reference to FIG. In the slot machine 1, the front portion facing the player is formed by a front frame body 10 having a substantially rectangular symbol display window 11 provided substantially at the center. The front frame 10 is configured by arranging a liquid crystal display unit 53, a pair of left and right speakers 520, and a decorative lamp unit 56 on the upper side of the symbol display window 11. A base 100 that forms the base of the slot machine 1 is formed below the symbol display window 11. On the right side of the symbol display window 11, a payout number display unit 551 for displaying the number of medal payouts and a credit number display unit 552 for displaying the number of credits are arranged.

  The base portion 100 is formed so as to protrude relatively with respect to the symbol display window 11 located behind the player. The base unit 100 has a table-like operation surface 14 at the upper end adjacent to the symbol display window 11, a medal tray 15 for paying out medals (game media) at the lower end, and the operation surface 14 and the medal tray 15. And an operation panel 13.

  On the operation surface 14, a bet button 64 for inserting a medal credited (stored) by a credit function, a settlement button 65 for paying out a credited medal, and a medal insertion for directly inserting a medal A mouth 630 is arranged. On the operation panel 13, a start lever 62 (game start operation means) for starting the symbol variation of the reel 21, a stop button 61 (stop operation means) for stopping the symbol variation, and game data are displayed. And a data display button 67 are arranged.

  The bet button 64 is a button for inserting three medals out of the credited medals. The bet button 64 generates a 3-bet signal indicating the insertion number 3. However, when the remaining credit is 2 or 1, a 2-bet signal or 1-bet signal is generated, and when the credit is zero, a bet signal is not generated.

  The start lever 62 is an operation lever that generates a game start signal that is a control signal for the reel 21 in accordance with the player's operation. In the slot machine 1, the start lever 62 is set to the valid state on the premise that a medal is inserted directly or a medal is inserted by operating the bet button 64. When a replay is won, a state where a medal is directly inserted or a medal is automatically inserted even if no betting operation is performed, that is, a state where the next game can be started can be set. Further, in the slot machine 1 of this example, the game start operation is performed within the wait period (waiting period) until the regulation time of 4.1 seconds elapses after the start of the previous game, that is, the reel 21 is started. In such a case, the reel 21 is started after the end of the wait period.

  The stop button 61 is an operation button that generates a variable stop signal that is a control signal for the reel 21 in accordance with the player's operation. The stop button 61 of this example is a combination of a left stop button 61L corresponding to the left reel 21L, a middle stop button 61C corresponding to the middle reel 21C, and a right stop button 61R corresponding to the right reel 21R.

  As shown in FIG. 1, the symbol display window 11 is a display window including symbol display areas 110L, C, and R. Each of the symbol display areas 110L, C, and R is a symbol display area for three symbols. In the entire symbol display window 11, symbol display regions for nine symbols arranged in a two-dimensional matrix composed of three rows and three columns are formed. The symbol display window 11 is formed of a transparent resin plate so that the symbol 20 can be seen from the player side.

  In the symbol display area in which nine symbols 20 are arranged in a two-dimensional matrix, winning lines 211 to 215 that are the arrangement direction of winning symbols to be awarded are set. The winning line of this example is composed of horizontal winning lines 211 to 213 and diagonal winning lines 214 and 215.

  Reels 21L, C, and R constituting the lottery result display means 2 are arranged on the back side of the symbol display areas 110L, C, and R, respectively. As shown in FIG. 2, the reels 21 </ b> L, C, and R are rotary reels having a cylindrical shape and 21 symbols 20 arranged on the outer peripheral surface thereof at substantially constant intervals. The reel 21 may be an image-type reel that displays the symbols on the liquid crystal display in place of the rotary reel of this example.

As shown in FIG. 1, the speaker 520 and the decorative lamp unit 56 are rendering means for rendering a game with sound or light.
The payout number display unit 551 is a display unit that displays the number of medals paid out at the time of winning a prize.
The credit number display unit 552 is a display unit that displays the number of medals credited (stored) by the credit function.

  The liquid crystal display unit 53 includes a liquid crystal display. The liquid crystal display unit 53 includes a game data display screen such as the data display screen 70 (FIG. 11), an operation timing notification screen 531 (FIG. 10) that notifies the operation timing of the start lever 62 that is advantageous to the player side, and the like. A production screen can be displayed. The contents of the data display screen 70 and the operation timing notification screen 531 will be described later.

Next, the role, game play, and symbol arrangement of the slot machine 1 of this example will be described.
In the slot machine 1, as shown in FIG. 3, a combination, an internal winning combination, and a winning combination are set. In addition to bonus combinations (BIG1, BIG2, REG) which are three types of big wins, small combinations such as 10-sheet combinations, 2-sheet combinations, and replay are set as combinations. In the figure, the name of each combination is shown in the left column, a winning symbol that is a combination of symbols 20 corresponding to each symbol is shown in the middle column, and profits given to the player in accordance with winning are shown in the right column.

  In the slot machine 1, the winning combination internally by the internal lottery means 41 becomes the internal winning combination. When the winning symbol corresponding to the internal winning combination is established along the winning line, the winning combination becomes the winning combination. In the game of the slot machine 1, a bonus state (a big hit state) can occur in accordance with the winning of the bonus combination. The BIG bonus state triggered by BIG1 and BIG2 is the most advantageous bonus state that ends when the number of medals paid out exceeds 365. The REG bonus state triggered by REG is a bonus state that ends when the number of medals paid out exceeds 120.

  In the game of the slot machine 1, a normal state, a first special state, and a second special state can occur as non-bonus states. The first special state and the second special state are states in which a probability variation game in which the internal winning probability increases according to the game start operation time point that is the operation time point of the start lever 62 can occur. Furthermore, as the first special state and the second special state, there are a state where a game start operation timing capable of generating a probability variation game is notified and a state where the game start operation timing is not notified. The state transition from the normal state to the first special state and the second special state may occur according to the internal winning of the two-piece combination (specific small combination) in the normal state. The state transition from the first special state and the second special state to the normal state may occur according to the internal winning of the 10-sheet combination (specific small combination) in the first special state and the second special state.

  In the slot machine 1 of this example, the special 1 flag corresponding to the first special state and the special 2 flag corresponding to the second special state are set as the gaming state flag, and the bonus state flag corresponding to the bonus state is the gaming state. It is set as a flag. Furthermore, a state notification flag corresponding to the presence of notification of the game start operation timing is set.

  Next, the electrical configuration of the slot machine 1 of this example will be described with reference to FIG. For the control unit 3 that controls the overall operation of the slot machine 1, in addition to the above-described configuration, a lottery result display together with the inserted medal detection unit 63 that detects a medal inserted directly through the medal insertion slot 630 and the reel 21. Various display units including a reel driving unit 22 constituting the means 2, a reference position detecting unit 66 for detecting the rotational position of the reel 21, a medal paying unit 54 for paying out medals, the payout number display unit 551 and the credit number display unit 552. 55, a set value operation unit 68 for setting a set value representing the player's degree of advantage, an audio output unit 52 for controlling the speaker 520, and the like are electrically connected.

  The inserted medal detection unit 63 is a detection unit for a medal inserted directly from the medal insertion port 630. The inserted medal detection unit 63 outputs an insert signal every time a medal is inserted from the medal insertion slot 630. In the slot machine 1 of this example, when three medals are inserted in response to direct insertion of medals, operation of the bet button 64, or replay winning, the start lever 62 is set to an effective state, and a new one is set. It will be in a state where a simple game can be started.

The reel driving unit 22 includes a stepping motor (not shown) that can be controlled in units of steps, and is means for rotating the reel 21 by the rotational driving force of the stepping motor.
The reference position detection unit 66 is a detection unit that detects the passage of the reference position piece for each of the reels 21L, 21C, and R and outputs a detection signal.

The medal payout unit 54 is a payout unit that pays out a predetermined number (see FIG. 3) of medals to the medal tray 15 in accordance with winning.
The set value operation unit 68 is an operation unit for changing set values of 6 stages having different winning probabilities such as bonus combinations using the setting key 680.

  As shown in FIG. 4, the control unit 3 includes a CPU 31, a ROM 33 and a RAM 34 as memory means, an I / O unit 32 as an input / output interface, a random number generator 350 for generating random numbers, and a random number for internal lottery. And a random number extraction unit 35 for extracting. The CPU 31 executes a software program read from the ROM 33, thereby executing an internal lottery means 41 for lottering an internal winning combination, a flag control means 42 for controlling an internal winning flag corresponding to the internal winning combination, and a display control for controlling the reel 21. Means 43, winning determination means 44 for determining a winning symbol, profit giving means 45 for giving a profit in accordance with the winning, jackpot generating means 46 for generating a bonus state, data counting means 470 for counting game data, and bonus combination A jackpot probability calculating means 471 for calculating a bonus probability (a jackpot probability) that is a winning probability of winning a prize, and an average probability calculating means for calculating an average probability that is an average value of the internal winning probability of the bonus combination set in the internal lottery means 41 472, special state generating means 481 for generating the first special state and the second special state State transition selecting means 482 for executing the state transitions lottery like to special state from the normal state, to implement the functions as a game regulating means 49 for regulating the game start within a predetermined time period.

  The ROM 33 which is a memory means includes an internal lottery table used for lottery of an internal winning combination, a state transition lottery table used for state transition lottery, and a reel control table (not shown) used by the display control means 43 for stop control of the reel 21. Is remembered.

  As shown in FIG. 5, the internal lottery table includes two types of tables that are referred to in the game under the non-bonus state and one type of table that is referred to in the bonus state. The internal lottery table for the non-bonus state is applied to the low probability table applied to the low probability game with the normal internal winning probability including the normal state and the high probability game which is a probability variation game in which the internal winning probability is increased. And a high probability table. As an internal lottery table for the bonus state, there is a bonus table. The internal lottery table is set for each set value of 1 to 6.

  Each internal lottery table is a data table in which a range of winning random numbers for each combination is defined from 0 to 65535 lottery random numbers. The number of winning random numbers and the internal winning probability of each combination in each internal lottery table are as shown in FIG. In the probability column in the figure, the denominator (for example, x in 1 / x) of each internal winning probability is shown. As can be seen from the figure, the internal winning probability of the bonus combination by the high probability table is 6 times that of the low probability game, and the internal winning probability of the replay by the high probability table is 1.5 times that of the low probability game. . In addition, regarding the two-piece combination and the ten-piece combination, which are specific small combinations that trigger the state transition between the normal state and the special state, there is no difference between the high probability table and the low probability table.

  The state transition lottery table includes a first state transition lottery table (FIG. 6) from the normal state to the special state and a second state transition lottery table (FIG. 7) from the special state to the normal state. The first state transition lottery table is a lottery table for further collating the lottery random numbers that can be collated with the winning random numbers of the double winning combination in the internal lottery table and have generated the internal winning of the double winning combination. The second state transition lottery table is a lottery table for further collation with the random numbers for lottery that can be collated with the winning random numbers of the 10-piece combination in the internal lottery table.

  In the first state transition lottery table, as shown in FIG. 6, a special random number that causes a state transition from the normal state (“communication” in the figure) to the first special state (“special 1” in the figure). , A range of special 2 random numbers that cause state transition to the second special state (“special 2” in the figure) and other random numbers that do not cause state transition are defined. As the special 1 random number and the special 2 random number, there are a random number corresponding to the state with the notification of the game start operation timing (subscript “A” in the figure) and the state without the notification (subscript “B” in the figure). Corresponding random numbers are set. In the slot machine 1 of this example, the 1000 winning random numbers of two special roles, which are specific small roles, are classified into the following five types of random numbers.

The type of random number defined in the first state transition lottery table (1) The winning random number for transition from the normal state to the first special state (with notification of the game start operation timing). The number of special 1 random numbers with notification is 125.
(2) Winning random number for transition from the normal state to the first special state (no notification of the game start operation timing). The number of special 1 random numbers without notification is 125.
(3) Winning random number for transition from the normal state to the second special state (with notification of the game start operation timing). The number of special 2 random numbers with notification is 125.
(4) Winning random number for transition from the normal state to the second special state (no notification of the game start operation timing). The number of special 2 random numbers without notification is 125.
(5) Loss random numbers without a transition from the normal state to the special state. The number of lost random numbers is 500.

  As shown in FIG. 7, the second state transition lottery table defines a range of normal random numbers that cause a state transition from a special state to a normal state and other random numbers that do not cause a state transition. In the slot machine 1 of the present example, the 8500 winning random numbers for the 10 small roles that are specific small roles are classified into the following two types of random numbers. In the figure, the normal state is represented by “communication”, the first special state is represented by “special 1”, and the second special state is represented by “special 2”.

-Types of random numbers defined in the second state transition lottery table (1) Winning random numbers for transition from the first special state and the second special state to the normal state. The number of normal random numbers is 1500.
(2) Loss random numbers without a transition from the special state to the normal state. The number of lost random numbers is 7000.

As shown in FIG. 4, the random number generator 350 is a part that generates random numbers belonging to a predetermined integer range. The random number generated by the random number generator 350 includes a random number in the integer range of 0 to 65535 for drawing the internal winning combination.
The random number extraction unit 35 is a part for extracting lottery random numbers. The random number extraction unit 35 extracts lottery random numbers from the random numbers generated by the random number generation unit 350. The random numbers for lottery extracted by the random number extraction unit 35 include random numbers ranging from 0 to 65535 for the internal winning combination lottery or the state transition lottery. The random number extraction unit 35 extracts a random number for lottery used for lottery or the like of an internal winning combination triggered by a game start signal corresponding to the operation of the start lever 62.

  The internal lottery means 41 is a means for determining an internal winning combination by internal lottery. The internal lottery means 41 collates the lottery random numbers with respect to the winning random numbers of each combination specified in the internal lottery table (FIG. 5) to determine the internal winning combination. The internal lottery means 41 refers to the bonus table under the bonus state, and refers to the high probability table (probability game) or the low probability table under the non-bonus state.

  The flag control means 42 is a means for controlling an internal winning flag corresponding to the internal winning combination. The flag control means 42 sets the internal winning flag corresponding to the internal winning combination determined by the internal lottery means 41 to the ON state. The internal winning flags of other combinations other than the bonus winning combination are reset to the off state (zero) before starting the next game, regardless of whether or not the game in which the internal winning flag is established is won for the first time. Therefore, if each combination other than the bonus combination is not won in the internal winning game, all will be missed. On the other hand, regarding the bonus flag which is the internal winning flag of the bonus combination, the established state of the internal winning flag is sequentially carried over to the next game until winning, and is reset to the off state according to winning.

  The state transition lottery means 482 is a means for executing a lottery to determine whether or not to cause a state transition between the normal state and the special state when the two-piece combination or the ten-piece combination which is a specific small combination is won internally. . When the random number for lottery extracted under the normal state can be compared with the winning random number for two winning combinations (that is, when the two winning combination is won internally), the state transition lottery means 482 uses the lottery random number for the first lottery. The lottery table for transition to the special state is executed in comparison with the state transition lottery table (see FIG. 6). Further, when the lottery random number extracted under the special state can be compared with the winning random number of 10 sheets (that is, when the 10 winning combination is won internally), the state transition lottery means 482 The lottery to shift to the normal state is executed in comparison with the second state shift lottery table (see FIG. 7).

  The state transition lottery means 482 sets the special 1 flag (special 2 flag) to the on state when the random number for lottery can be compared with the special 1 random number (special 2 random number) in the first state transition lottery table. Further, when the lottery random number can be compared with the special 1 random number (special 2 random number) with notification, the state notification flag is set to the on state. When the random number for lottery can be compared with the normal random number in the second state transition lottery table, all the special 1 flag, special 2 flag and state notification flag are reset.

  The display control means 43 is means for starting the symbol variation of the reel 21 in response to the game start signal and stopping the symbol variation of the reel 21 in response to the variation stop signal. The display control means 43 inputs a control pulse to the stepping motor constituting the reel driving unit 22 and rotates the stepping motor by one step for each pulse. The display control means 43 counts the number of control pulses input to the reel drive unit 22, that is, the number of steps rotated by the stepping motor. In particular, the display control means 43 of this example counts the number of steps generated after the most recent detection signal by resetting the number of steps to zero each time the detection signal of the reference position piece of each reel 21 is fetched.

  The display control means 43 is a means for executing so-called pull-in control in which symbols within a predetermined pull-in range determined by rules (rules for game machine authorization and type verification, etc.) are stopped on the winning line. In this example, as described above, a range corresponding to four symbols is set as the pull-in range. The display control means 43 determines the stop position by comparing the number of steps when the change stop signal is taken in with the reel control table. The display control means 43 pulls the symbol corresponding to the determined stop position and stops the reel 21.

  The winning determination unit 44 is a unit that determines whether or not a winning has occurred based on a combination of symbols that the three reels 21L, 21C, 21R stop display. Specifically, the winning determination means 44 determines the winning combination according to the combination of symbols stopped on the winning lines 211 to 215 set so as to cross the three reels 21L, 21C, 21R. The winning determination means 44 takes in the number of steps of each stepping motor (reel driving unit 22) corresponding to each reel 21L, C, R after each reel 21L, C, R stops. The winning determination means 44 obtains the type of the symbol 20 stopped on the winning lines 211 to 215 based on the number of steps, and determines whether or not a winning combination is established for the combination of the symbols 20.

  The profit giving means 45 is a means for giving a profit corresponding to the winning combination determined by the winning determination means 44. For example, when the bonus combinations BIG1 and BIG2 are winning combinations, the profit granting means 45 grants a profit that the BIG bonus state occurs. When the 10 winning combination is a winning combination, a benefit of paying out 10 medals is given. When the replay is a winning combination, a benefit of generating a replay game is given.

  The game restricting means 49 is means for restricting the start of the game according to a predetermined game start operation timing. In the slot machine 1 of this example, as shown in FIG. 8, after the game is started by the start of symbol change in response to the start of the reel 21, a regulation time of 4.1 seconds is set. The game regulation means 49 does not start the reel 21 immediately even if the start lever 62 is operated within the wait period (standby period) until the regulation time elapses, and waits for the expiration of the wait period to start the reel 21. To give permission. For example, when the start lever 62 is operated at the game start operation time point A within the wait period, the reel 21 is started and the game is started when the wait period expires.

  On the other hand, when the start lever 62 is operated at the game start operation time point B within the non-waiting period (non-waiting period), the reel 21 is immediately started and the game is started. The wait period is a period that can occur when all the reels 21 are stopped and the game is finished before the regulation time has elapsed after the game is started. In the slot machine 1 of this example, a wait flag corresponding to the wait period is set.

  The special state generating unit 481 is a unit that generates a first special state and a second special state. The special state generating means 481 generates a first special state with notification of the game start operation timing when, for example, two winning combinations are won internally by the special one random number with notification in a normal state. Further, for example, when the 10 winning combination is won internally by the normal random number in the first special state and the second special state, the special state is ended and the normal state is restored.

  In the first special state, the low probability table is applied to the game when the game start operation time point belongs to the wait period, and the high probability table is applied to the game when the game start operation time belongs to the non-wait period, and a probability variation game is generated. . On the other hand, in the second special state, when the game start operation time belongs to the wait period, the high probability table is applied to the game, and the probability variation game is generated, and when the game start operation time belongs to the non-wait period, the low probability table is the game. Applies to That is, in the first special state, the operation of the start lever 62 within the non-wait period is advantageous, while in the second special state, the operation of the start lever 62 within the wait period is advantageous. If the start lever 62 is operated during the wait period, the reel 21 is started after the end of the wait period and the game is started.

The data counting means 470 is means for counting game data of the slot machine 1. The data counted by the data counting means 470 includes the following game data. The data counting means 470 counts each game data for a predetermined period after the start of business on that day.
Total number of games: Total number of games digested under non-bonus conditions Number of low-probability games: Number of low-probability games out of total number of games High probability games: Number of high-probability games out of total number of games BIG count : Number of wins for BIG1 and BIG2 (number of occurrences of BIG bonus status)
Number of REGs: Number of REG winnings (Number of occurrences of REG bonus status)
Cumulative difference medals: (Total medal payouts)-(Total medal coins inserted)

  The jackpot probability calculating means 471 calculates a probability of winning a bonus combination in accordance with a bonus combination in accordance with a bonus combination winning for a predetermined period from the start of business on that day until that time. It is means to do. Here, as described above, the bonus flag is carried over to the next game until the corresponding bonus combination wins. If there is a premise that a bonus role will always win in an internal winning game, the internal winning probability may be equal to the winning probability, while in normal games, the internal winning game may not always win, so The winning probability is slightly smaller than the winning probability.

The bonus probability includes a BB probability that is a winning probability of BIG1 and BIG2, a REG probability that is a winning probability of REG, and a bonus probability that is a winning probability of a bonus combination (BIG1, BIG2, REG). The jackpot probability calculation means 471 calculates each bonus probability by the following calculation formula.
BB probability = BIG count / cumulative game count REG probability = REG count / cumulative game count Bonus probability = (BIG count + REG count) / cumulative game count

  The average probability calculating means 472 is a means for calculating an average probability that is an average value of the internal winning probability of the bonus combination set in the internal lottery means 41 for a predetermined period from the start of business on that day until that time. Here, the internal winning probability is a theoretical probability defined in the internal lottery table referred to in the game. The average probability includes an average BIG probability that is an average probability of BIG1 and BIG2, an average REG probability that is an average probability of REG, and an average composite probability that is an average probability of bonus combinations (BIG1, BIG2, and REG). The average probability calculation means 472 calculates the average probability using the following calculation formula.

  Here, low BIG winning probability = 100/65536, which is the internal winning probability of BIG1 or BIG2 in the low probability game, and high BIG winning probability = 600/65536 in the high probability game. Further, the low REG winning probability = 50/65536, which is the internal winning probability of REG in the low probability game, and the high REG winning probability = 300/65536 in the high probability game. Furthermore, the low bonus winning probability which is the internal winning probability of the bonus combination (BIG1, BIG2, REG) in the low probability game = 150/65536, and the high bonus winning probability in the high probability game = 900/65536 (see FIG. 5). .)

Average BIG probability = (number of low probability games × low BIG winning probability + high probability games × high BIG winning probability) ÷ total number of games Average REG probability = (number of low probability games × low REG winning probability + number of high probability games × high REG winning probability) ÷ total number of games average synthetic probability = (low probability game number × low bonus winning probability + high probability game number × high bonus winning probability) ÷ total number of games According to the average probability calculating means 472, for example, FIG. Each average probability is calculated as shown in FIG. In the figure, each average probability is indicated by a denominator of probability (for example, x in 1 / x).

  Next, the operation timing notification screen 531 displayed by the liquid crystal display unit 53 will be described with reference to FIG. The operation timing notification screen 531 is a screen that is displayed when the special 1 flag or the special 2 flag is on and the state notification flag is on.

  The operation timing notification screen 531 is a state display column 531A indicating that it is a special state and a chance that a probability variation game (high probability game with high internal winning probability) will occur, and a game start operation timing for generating a probability variation game. It is the screen which has arrange | positioned the timing alerting | reporting column 531B which alert | reports whether it is. The timing notification column 531B of the operation timing notification screen 531 illustrated in FIG. 10A notifies the fact that there is no probability change even if the start lever 62 is operated by a character string “STOP!”. The timing notification column 531B of the operation timing notification screen 531 illustrated in FIG. 5B notifies that a change in probability can occur if the start lever 62 is operated by a character string “START!”.

  The operation timing notification screen 531 in FIG. 10A is a screen displayed during the wait period in the first special state. The operation timing notification screen 531 in FIG. 5B is a screen displayed during the non-wait period in the first special state and the wait period in the second special state.

  Next, the data display screen 70 displayed on the liquid crystal display unit 53 will be described with reference to FIG. The data display screen 70 is a screen displayed by the display means 7 in response to the operation of the data display button 67. The data display screen 70 displays a game number display column 701, a BIG display column 702, a REG display column 703, and a bonus display column 704 in four stages. Each of the display columns 701 to 704 has three data display frames A to C, respectively.

  The display frames 701A, B, and C in the game number display column 701 are display frames for the total number of games, the number of low probability games, and the number of high probability games. The display frames 702A, B, and C in the BIG display column 702 are display frames for the BIG count, the BB probability, and the average BIG probability. The display frames 703A, B, and C in the REG display field 703 are display frames for the number of REGs, the REG probability, and the average REG probability. The display frames 704A, B, and C in the bonus display column 704 are display frames for a bonus number, a bonus probability, and an average synthesis probability that are the total number of the BIG number and the REG number.

  The display means 7 displays the data display screen 70 illustrated in FIG. 10 on the assumption that the cumulative number of games has reached 6,000 games or the cumulative difference medal number has reached 3,000. This is to avoid the possibility that the set value of the slot machine 1 is determined at an early stage by displaying the average probability such as the average BIG probability. Note that the number of low-probability games and the number of high-probability games may be displayed before the above preconditions are satisfied. In an early stage before the precondition is satisfied, for example, the data display screen 70 in which the display frames 702C to 704C in FIG. 10 are set to blanks may be displayed.

  How much the player of the slot machine 1 in this example could benefit from the fluctuation of the internal winning probability by comparing the jackpot probability such as the BB probability and the average probability such as the average BIG probability, You can enjoy the game while judging whether your draw (lottery luck) was strong or weak. For example, when the BB probability is good, if the average BIG probability is approximately the same as the BB probability, the player can fully enjoy the benefits of fluctuation of the internal winning probability, and the player can enjoy satisfaction. On the other hand, when the average BIG probability is lower than the BB probability, it means that the pull was accidentally strong rather than benefiting from the fluctuation of the internal winning probability. In this case, since it does not benefit from the fluctuation of the internal winning probability, it can be said that the satisfaction level is not so high compared to the former case.

  As described above, the slot machine 1 of the present example is a slot machine with excellent characteristics that allows the player to grasp the degree of benefit due to fluctuations in the internal winning probability. In this slot machine 1, since it is not necessary to notify that the internal winning probability has changed, it is possible to avoid the possibility that the willingness to play will be reduced according to the notification.

  This example is an example related to the slot machine 1 in which a special state in which the internal winning probability may fluctuate for each game is generated. Instead, the internal winning probability is increased according to the establishment of a predetermined condition. The present invention can also be applied to a slot machine in which a probability variation state occurs over a plurality of game periods. In this case, there is a high possibility that the player will be discouraged when it is determined that it is not the occurrence period of the probability variation state. Become. Therefore, the operational effect of the present invention is effective in that the player can be informed of the degree of benefit of the probability variation state without notifying that it is in the probability variation state.

  Although this example relates to a slot machine in which the internal winning probability of a bonus combination varies, the present invention may be applied to a slot machine in which the internal winning probability of a small combination in a normal state varies. it can. In this case, it is preferable to calculate and display the actual winning probability of the small role and the average probability that is the average value of the internal winning probability of the small role.

  In the special state in which the slot machine 1 of the present example is generated, there is a chance that a probability variation game in which the internal winning probability is increased is generated each time. In the first special state, a probability variation game can occur in response to a game start operation within a non-wait period, so that the player's advantage can be improved by repeating the game at a relatively slow pace. On the other hand, in the second special state, a probability variation game may occur in response to a game start operation within the wait period, so that the player's advantage can be improved by digesting the game at a fast pace.

  In the slot machine 1, a probability variation game can occur according to the operation timing of the start lever 62, so that the player can actively participate in the occurrence of the probability variation game and can play a game strategically. Furthermore, there are cases where the game start operation timing at which a probability variation game may occur is notified or not notified, and when there is no notification, there is a pleasure of predicting the type of special state.

In general slot machine games, the game progress pace tends to be constant, while in the slot machine 1 game of this example, the motivation to intentionally increase or decrease the progress pace is made. The monotony of the game is suppressed.
In the slot machine 1, since the internal winning probability of replay is set to be different between the low probability table and the high probability table, if the game start operation timing is not notified, the high probability table according to the winning situation of the replay. It is possible to guess the game start operation timing to which is referred.

If the game start operation timing is not notified in the first special state and the second special state, only the fact that any special state has occurred is notified, and the player himself determines which special state is in effect. It is desirable to direct as you guess.
Also, the number of internal winnings of BIG1 and BIG2 and the number of internal winnings of REG may be counted and displayed. In displaying these internal winning numbers, it may be displayed instead of the BIG1 and BIG2 winning numbers and the REG winning numbers in this example, or the above internal winning numbers may be displayed together with these winning numbers. .

  In this example, the non-wait period is set as an advantageous game start operation period in the first special state, and the wait period is set as an advantageous game start operation period in the second special state. Instead, an advantageous period under the first special state and an advantageous period under the second special state may be alternately generated according to the elapsed time after the start of the previous game. For example, the elapsed time after the start of the previous game is 3 to 4 seconds, 5 to 6 seconds, and 7 to 8 seconds, which are advantageous periods under the first special state, while the remaining periods are Two advantageous periods under special conditions can be set.

In this example, the state transition lottery was performed using a random number for lottery in which the two-piece combination and the ten-piece combination, which are specific small roles, were won internally. Accordingly, a random number for state transition lottery may be separately extracted.
Further, in this example, the state transition lottery is performed according to the internal winning of the specific small role, but it is also possible to execute the state transition lottery according to the winning of the specific small role. Furthermore, it is also possible to execute the state transition lottery regardless of the internal winning of the specific small combination.

In this example, two types of low probability table and high probability table are set as the internal lottery table to be applied to the special state. Instead, three or more types of internal lottery tables are set. Also good.
In addition, this example is an example in which the present invention is applied to a slot machine, but the present invention is applied to a pachinko machine having an internal lottery function and a so-called probability variation function in which the internal winning probability varies. You can also.
Furthermore, this example is an example of a slot machine in which the display means 7 for displaying the data display screen 70 is incorporated, but the display means 70 can also be incorporated in peripheral devices such as a stand lamp.

  As described above, specific examples of the present invention have been described in detail as in the first embodiment, but these specific examples merely disclose an example of the technology included in the scope of claims. Needless to say, the scope of the claims should not be construed as limited by the configuration, numerical values, or the like of the specific examples. The scope of the claims includes techniques obtained by variously modifying or changing the specific examples using known techniques, knowledge of those skilled in the art, and the like.

DESCRIPTION OF SYMBOLS 1 Slot machine 11 Symbol display window 110 Symbol display area 2 Lottery result display means 3 Control part 35 Random number extraction part 41 Internal lottery means 42 Flag control means 43 Display control means 44 Winning determination means 45 Profit grant means 46 Big hit generating means 470 Data counting Means 471 jackpot probability calculating means 472 average probability calculating means 481 special state generating means 482 state transition lottery means 49 game restricting means 53 liquid crystal display unit 531 operation timing notification screen 61 stop button (stop operation means)
62 Start lever (game starting operation means)
7 Display means 70 Data display screen

Claims (3)

An internal lottery means for executing an internal lottery for determining whether or not the jackpot is won based on the start of the game based on a preset internal winning probability;
Lottery result display means for displaying the lottery result by the internal lottery means;
Jackpot generating means for winning a jackpot when the lottery result displayed by the lottery result display means is a jackpot and generating a jackpot state advantageous to the player,
A gaming machine in which the internal winning probability set in the internal winning means is variable,
Jackpot probability calculating means for calculating a jackpot probability indicating a ratio of the number of occurrences of the jackpot state to the number of times the game is executed for a predetermined period;
Average probability calculating means for calculating an average probability that is an average value of the internal winning probabilities set in the internal lottery means for the predetermined period;
A gaming machine comprising display means for displaying the jackpot probability and the average probability to a player. The lottery result display configured to display a variety of symbols in a plurality of symbol display areas in a variable manner according to a predetermined arrangement, and to display the lottery result by a combination of symbols stopped and displayed in the plurality of symbol display areas. Means,
Game start operation means operated by the player to start the game with the game medium inserted;
A stop operation means operated by a player to stop the display of variation of symbols by the lottery result display means;
In response to the operation of the game start operation means, the symbol variation display by the lottery result display means is started, and in accordance with the operation of the stop operation means, the symbol corresponding to the internal winning combination is within a predetermined pull-in range. Display control means for drawing in and stopping display in the symbol display area;
Winning determination means for determining whether a winning has occurred based on a combination of symbols stopped and displayed in each symbol display area of the lottery result display means;
A profit granting means for granting a player a profit corresponding to the winning when the winning determining means determines that a winning has occurred,
The internal lottery means is configured to execute an internal lottery for determining an internal winning combination from a plurality of types including a big winning combination corresponding to the jackpot. The gaming machine described.   The said internal lottery means is comprised so that the said internal winning probability different for every game may be set according to the game start operation time which is the operation time of the said game start operation means. The gaming machine described.

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