List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=39
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "コロナで対面対局が難しくなって、ネット対局に移行して3年になりました。今後は様子を見ながら「対面」「ネット」の並行開催になるでしょうか。\nエントリーよろしくお願いします。OGSに感謝!",
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            "description": "此比賽為暑假消閑用",
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