List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4415
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "name": "ทดสอบแข่ง ป.4",
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        {
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            "description": "毎月27日に開催される定例トーナメントです。これは第四十五回村瀬碁グループ定例トーナメントです。2022年6月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 45th tournament that starts on June 27th, 2022.",
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        {
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