METHOD FOR OPERATION OF PLAYING MACHINE Russian patent published in 2006 - IPC G07F17/34 

FIELD: engineering of means for performing games by means of playing machines controlled by a processor.

SUBSTANCE: method includes accepting bets in main game mode and performing main game mode, when receiving a result "prize game start" playing machine under control of processor is transferred to prize game mode, prize game mode is performed until producing "prize game end" result. In the method for main game mode such modes are provided as: free games mode, modes of first and second mini-bonuses and doubling mode. In doubling mode selection of one of two symbols participating in drawing is performed. Modes of first and second mini-bonuses are performed when reaching predetermined combination of symbols. Type of symbol is selected by player by means of processor. Free games mode contains predetermined number of free prize rounds.

EFFECT: expanded arsenal of devices used in playing machines.

14 cl, 21 dwg