List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-time_per_move&page=5861
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=5860",
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                "name": "Siriraj Go!",
                "summary": "เฉพาะศิริราชเท่านั้นนะครับ",
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            "description": "Class A 15/7/64 กด Join this tournament เพื่อเช็คชื่อและเข้าแข่งขัน",
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