If a player wins through a tournament, the player has to repeat several games (maximum of 5 to 7 games), therefore the player is required to be tough and for that it is not easy to participate in it casually.
大会で勝ち進むとこれを何試合も繰り返す(最大５～７試合)のでタフさが求められるため、敷居の低い競技ではない。