List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=rules&page=2
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=rules",
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            "description": "A Go tournament that (should) be rather quick and is starting soon!",
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            "id": 106742,
            "name": "Live 19x19 Fast & Fun Tournament september",
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            "description": "Tournament for Touhou Tea Time members. First round will be the 29th at our normal club time bring you laptops! For those that cannot make it will probably start around 7:00",
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