List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4973
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "name": "Tournament Lover😍",
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                "username": "李朗銳",
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            "description": "Do you love tournaments? If you do, join this one!",
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                "id": 5925,
                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
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            "name": "第7回ほたて会[第3回春風戦]低段リーグ",
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                "username": "ほたて囲碁教室2",
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            "description": "日時:令和8年4月29日(水)16:00~20:00\n\n※20:00には終了できますようご協力お願い致します\n\n対局開始方法:お時間になりますと、自動で対局が開始されます。OGSを開いてお待ち下さい。\n\n対局方法:総当たり戦(同時対局)\n\n※全ての対局をまんべんなく打ち進めて頂くようご協力をお願いいたします\n\n着手方法:盤面ワンクリックで着手(打ち間違いに気をつけて下さい)or 盤面に石を打って画面右上のユーザー名下にある「着手決定」をクリック ※皆様のOGSの【通信対局】設定により変わります\n\n※着手すると【自動で自分の手番の他の対局画面に切り替わります】。もし、切り替わらない場合は、【ホーム画面】に戻り、対局一覧から自分の手番の対局を選択するか、画面右上のベルマーク(青色か緑色になっており、右に数字の吹き出しがある)をクリックすると、自分の手番の対局画面に移動します。こちらもOGSの設定で変更可能です。\n\nzoom:使用しません\n\n飲食:自由\n\n対局中に席を離れても大丈夫です\n\n解散方法:全ての対局が終わり次第、各自終了です\n\n結果:この画面に表示されます and ほたて先生から報告します。\n\n↓↓このリーグの参加者は↓↓\n\nissoh 三段 高知県\n\nN Riku 二段 大阪府\n\nN Rio 二段 大阪府\n\nkyoutyan 二段 香川県\n\nhotate02 二段 香川県",
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            "name": "Тренируемся 9 июня",
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            "description": "Играть!!!",
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                "id": 12847,
                "name": "Nikoniko ДЕТИ",
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            "name": "Fast Correspondence - 9x9 - Weekly Round Robin - 2020, #15",
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                "username": "Kosh-retired",
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            "description": "* ! Does NOT pause on the weekend !\n\n* This tournament is for players that don't use vacation.\n\n---\n\n- Just one round of simultaneous games. Chinese Rules/Scoring.\n\n- This is a '**FAST** Correspondence Tournament'. Please avoid delaying your games using the Vacation feature or Pause. Any participant using Vacation or Pause may be disqualified (and forfeit unfinished games) at the discretion of the Tournament Director.\n\n- Please make sure you understand the [**'Clock' settings**](https://github.com/online-go/online-go.com/wiki/Finding-(starting)-a-game#basic-time-controls-explained) before you join this tournament.  It typically takes 2-3 weeks to complete and you will need to log on and play at two well-spaced times most days to avoid losing by timeout.\n\n- If this suits you then, Bonne Partie....and please invite your friends. :)",
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        {
            "id": 63641,
            "name": "GPU AI",
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            "description": "AI对局(GPU須高於1060Ti)",
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