List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=18
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
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            "analysis_enabled": true,
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            "started": "2023-04-06T04:00:42.490195Z",
            "ended": "2023-04-26T02:40:38.905252Z",
            "start_waiting": "2023-04-06T04:00:42.394201Z",
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}