List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=191
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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        {
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                "summary": "The search for happiness is one of the chief sources of unhappiness.",
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        {
            "id": 138231,
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