List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=rules&page=198
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "A group that you can play with a lot of Chinese players :) .welcome everyone joining our group, we sincerely hope you can enjoy the game of Go and Chinese culture as well :)",
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            "started": "2021-02-11T15:52:42.994375Z",
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            "start_waiting": "2021-02-11T15:52:42.876694Z",
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}