Mahjong game machine and mahjong game system

A game system comprising a controller, a display, a control portion, a memory, and a judgment portion, wherein said control portion contains an exchange tile decision data for exchanging mahjong tiles selected by a player to the other mahjong tiles, and the memory contains a tile display data to display a plurality of mahjong tiles on a display and a meld data to determine the completion of a meld;

• wherein the mahjong game system comprises a process of transmitting said tile display data from said memory to said control portion, said control portion transmits said tile display data to said display, and said display displays a plurality of mahjong tiles;
• where said controller transmits an instruction data to said control portion when a player inputs the instruction data to select a plurality of mahjong tiles, said control portion analyzes tiles sloughed or obtained by the player in a past game play based on said exchange tile decision data, and exchanges said instruction data and mahjong tile data based on said analysis;
• where said control portion transmits an overall mahjong tile data containing said mahjong tile data to said judgment portion and display, and transmits said meld data from said memory to said judgment portion;
• and
• where said judgment data determines whether said overall mahjong tile data and said meld data transmitted from said control data are consistent.