List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=532
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=players_start&page=531",
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            "description": "Fuñnnnnn",
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                "id": 13675,
                "name": "Sunday GO and MORE",
                "summary": "You can't miss this group, join now!",
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            "description": "クラス昇降有りリーグ戦(試行)の予選です。\n\n1位→本戦Sリーグ\n\n2位→本戦Aリーグ\n\n3位→本戦B1リーグ\n\n4位→本戦B2リーグ\n\n5位→リーグ1~3の5位の中で勝ち数1位→本戦B1リーグ\n\n   リーグ1~3の5位の中で勝ち数2位→本戦C1リーグ\n\n   リーグ1~3の5位の中で勝ち数3位→本戦C2リーグ\n\n   ※リーグ1~3の5位の勝ち数が同数の場合は抽選\n\n6位→本戦C2リーグ\n\n7位→本戦C1リーグ",
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            "name": "ninavip",
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                "username": "роман.го",
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            "description": "igo game",
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                "name": "i go game",
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            "description": "Vamos a jugar Go esta tarde.",
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            "description": "9x9 ttour...",
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            "group": {
                "id": 447,
                "name": "turkey go players team",
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        {
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            "name": "第六回ほたて会【ゆるめ部門】3",
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                "username": "ほたて囲碁教室",
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            "description": "日時:令和7年12月28日(日)16:00~17:00\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:【通信対局】で1局打つ\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\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: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\nYoshida Y 高知県 3級\n\ns578gz589 高知県 4級",
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                "name": "ほたてオンライン2",
                "summary": "",
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        {
            "id": 5808,
            "name": "Fast DDK Swiss Tournament",
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                "username": "calantir",
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            "description": "ორ წაგებაზე გავარდნა",
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