List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=4656
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=min_ranking&page=4655",
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            "description": "This is a test bots can join",
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                "id": 13675,
                "name": "Sunday GO and MORE",
                "summary": "You can't miss this group, join now!",
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            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
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