| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a slot machine capable of increasing the kinds of special winning combinations without limiting the arrangement of symbols in reels or control of the reels as much as possible, securely prohibiting determination whether a special winning combination is won or not till the continuous presentation is terminated even if the number of continuous game rounds is increased, and capable of retaining a player's sense of expectancy if the state in which permission of extraction of a special display result is not determined continues. <P>SOLUTION: The slot machine has a plurality of kinds of special winning combinations with different combinations of symbols. When the number of special symbols whose operation procedures for winning do not overlap is X, the winning probability for a replay winning combination during the continuous presentation is Y1, the winning probability for a minor jackpot during the continuous presentation is Y2 and the continuous game rounds in the continuous presentation is Z, the number of continuous game rounds in the continuous presentation is determined so that the expression Z<X+(Y1+Y2)×Z is established. The expected number of game rounds (500G) necessary to reach the ceiling (1) after termination of BB or RB is different from the expected number of game rounds (1065.9G) necessary to reach the ceiling (2) after termination of BB or RB. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
