List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-analysis_enabled&page=20
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Play go, and have fun. :)",
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            "description": "Win the title “big tournament 13X13 2022” !!! Join the group “club hikaru no go”, otherwise you will be eliminated",
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            "description": "What about joining this tournament? And Anyway, Good Game!",
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                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
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