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A novel game board comprises a base board (100) with rotating tiers (105, 405, 410, and 415) which rotate on a shaft (430) and bearings (402, 404, and 407) or a lazy susan (115), a pointer 120 or a rotating pointer knob (425) which points at numbers (305) and game fields (310) on a tier (300). Progr

A novel game board comprises a base board (100) with rotating tiers (105, 405, 410, and 415) which rotate on a shaft (430) and bearings (402, 404, and 407) or a lazy susan (115), a pointer 120 or a rotating pointer knob (425) which points at numbers (305) and game fields (310) on a tier (300). Progress through the game is indicated by individual players' tokens (135). Game cards and play money (140, 320, 325, 330, and 335) are also provided. Multiple results can arise from the same players' moves. Hidden game fields (700) under the edges of square or rectangular tiers (405, 410, and 415) provide added excitement. Instructions in the game fields (300, 406, etc.) can apply to a single player or to all players simultaneously, resulting in advantages or disadvantages for one or all. No dice are used to play, only a rotating pointer knob (425) or a rotating tier 105 with a stationary pointer (120) are required to urge progress through the game. The same mechanical arrangement is applicable in a variety of games, resulting in an economy of scale for manufacturers.

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A novel game board comprises a base board (100) with rotating tiers (105, 405, 410, and 415) which rotate on a shaft (430) and bearings (402, 404, and 407) or a lazy susan (115), a pointer 120 or a rotating pointer knob (425) which points at numbers (305) and game fields (310) on a tier (300). Progr

A novel game board comprises a base board (100) with rotating tiers (105, 405, 410, and 415) which rotate on a shaft (430) and bearings (402, 404, and 407) or a lazy susan (115), a pointer 120 or a rotating pointer knob (425) which points at numbers (305) and game fields (310) on a tier (300). Progress through the game is indicated by individual players' tokens (135). Game cards and play money (140, 320, 325, 330, and 335) are also provided. Multiple results can arise from the same players' moves. Hidden game fields (700) under the edges of square or rectangular tiers (405, 410, and 415) provide added excitement. Instructions in the game fields (300, 406, etc.) can apply to a single player or to all players simultaneously, resulting in advantages or disadvantages for one or all. No dice are used to play, only a rotating pointer knob (425) or a rotating tier 105 with a stationary pointer (120) are required to urge progress through the game. The same mechanical arrangement is applicable in a variety of games, resulting in an economy of scale for manufacturers. on engine; and an air flow velocity accelerating means which accelerates air flow velocity in the air intake port, wherein the fuel injection time from the fuel injection valves is controlled in synchronism with and during an air intake stroke for the internal combustion engine as well as respective injection ports of the fuel injection valves are positioned at or near an accelerated air flow portion formed by the air flow velocity accelerating means, wherein the fuel injection time of the fuel injection valves is determined by setting either a fuel injection start timing or a fuel injection completion timing, and when the air flow velocity in the air intake port is comparatively low, the fuel injection completion timing of the fuel injection valves is set at the time before the maximum air flow velocity appears. 6. A control device for an internal combustion engine according to claim 5, further comprising a means for performing an arithmetic operation of a revolution fluctuation index representing combustion stability of the internal combustion engine, and wherein the fuel injection time of the fuel injection valves is corrected base on the arithmetic operation result obtained by the revolution fluctuation index arithmetic operation means. 7. A control device for an internal combustion engine comprising fuel injection valves which are disposed at an air intake port for the internal combustion engine and inject fuel from the air intake port toward respective cylinders for the internal combustion engine; and an air flow velocity accelerating means which accelerates air flow velocity in the air intake port, wherein the fuel injection time from the fuel injection valves is controlled in synchronism with and during an air intake stroke for the internal combustion engine as well as respective injection ports of the fuel injection valves are positioned at or near an accelerated air flow portion formed by the air flow velocity accelerating means wherein the fuel injection time of the fuel injection valves is determined by setting either a fuel injection start timing or a fuel injection completion timing, further comprising a means for performing an arithmetic operation of a revolution fluctuation index representing combustion stability of the internal combustion engine, and wherein the fuel injection time of the fuel injection valves is corrected based on the arithmetic operation result obtained by the revolution fluctuation index arithmetic operation means. 8. A control device for an internal combustion engine comprising fuel injection valves which are disposed at an air intake port for the internal combustion engine and inject fuel from the air intake port toward respective cylinders for the internal combustion engine; and an air flow velocity accelerating means which accelerates air flow velocity in the air intake port, wherein the fuel injection time from the fuel injection valves is controlled in synchronism with and during an air intake stroke for the internal combustion engine as well as respective injection ports of the fuel injection valves are positioned at or near an accelerated air flow portion formed by the air flow velocity accelerating means wherein the fuel injection time of the fuel injection valves is determined by setting either a fuel injection start timing or a fuel injection completion timing when the air flow velocity in the air intake port is comparatively high, the fuel injection completion timing of the fuel injection valves is set at or near the time where the maximum air flow velocity appears, further comprising a means for performing an arithmetic operation of a revolution fluctuation index representing combustion stability of the internal combustion engine, and wherein the fuel injection time of the fuel injection valves is corrected based on the arithmetic operation result obtained by the revolution fluctuation index arithmetic operation means. 9. A control device for an internal combustion engine compr