List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=3954
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=time_per_move&page=3953",
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            "name": "\"Hey!Where is my summer vacations?",
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            },
            "description": "This is a competition for those who don't want summer to end.\nEveryone is welcome to participate.\nIf you can, invite your friends ,or anyone else who may want to join the game!",
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            "id": 50716,
            "name": "9x9 Lovers and Chat Lovers Tournament",
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            "name": "Dunapataj",
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