List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclude_provisional&page=375
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "大赛奖金:冠军:可以成为管理员(虽然群组内有管理员,但是名义上来讲我是管理员长,相当于我是正的,冠军得主是副的)冠军还可以跟管理员长下棋,管理员长会故意输棋(帮冠军得主升级)。还可以跟我(我开AI)下下一盘,                                                  亚军:成为副管理员,亚军还可以跟我(我开AI)。                  \n季军:跟我(我开AI)下一盘。     \n祝大家玩得愉快!",
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