List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5889
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "id": 347,
                "name": "Ukrainian Go Club",
                "summary": "Группа для любителей поиграть в своё удовольствие. (Group for fans to play for fun).",
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            "name": "第三届华夏兄弟盟棋圣公开赛(The third Hua Xia league Go God Open tournament)",
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                "username": "克里米亚共和国",
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            "description": "第三届华夏兄弟盟棋圣公开赛(The third Hua Xia league Go God Open tournament)",
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                "name": "华夏兄弟盟 Chinese Brotherhood ",
                "summary": "A group that you can play with a lot of Chinese players :) .welcome everyone joining our group, we sincerely hope you can enjoy the game of Go and Chinese culture as well :)",
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            "name": "The 38th Murase Go Group Tournament",
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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。これは第三十八回村瀬碁グループ定例トーナメントです。2021年11月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 38th tournament that starts on November 27th, 2021.",
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            "description": "sla ,vão estudar",
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                "summary": "A group for Go players who love the 9x9 board.",
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                "name": "Satit PIM M1-M3 Class T.Boss",
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