List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=296
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "Christmas/New Years Tournament",
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            "description": "This will probably start around New years day. Start with 3 days and increment by 1 day per move. max time 2 weeks. 19x19",
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                "name": "OGS Mini Tournaments",
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            "description": "Дата начала проведения турнира будет известна после того, как все места будут заняты!",
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                "name": "Ukrainian Go Club",
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