List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclude_provisional&page=783
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=exclude_provisional&page=782",
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            "description": "битва за 1 место в игре и го",
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                "id": 1291,
                "name": "роман.го и другие",
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            "description": "A little tournament, since there aren't any active. I highly urge you to analyse the games together :) Good luck!",
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                "id": 38,
                "name": "reddit",
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            "description": "Ok, this time, no handicap. Maybe games will be more interesting this way.",
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            "description": "The third tournament of the group in real time, join it !",
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