List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=628
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "id": 31559,
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                "id": 21742,
                "username": "დათო",
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            "description": "ქართველ დამწყებთა შორის.",
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                "name": "Georgia - საქართველოს გოს ფედერაცია",
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            "description": "Primer entrenamiento luego del campeonato, ¡vamos a estrenar la corona de Glenn!",
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