List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=ranked&page=4
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ranked&page=5",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ranked&page=3",
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            "name": "16-3 แข่ง",
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                "icon": "https://user-uploads.online-go.com/dbdf49f17f4fe6e6aed3c736fac58f0d-64.png",
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                "name": "Mday class",
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        },
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            "id": 136368,
            "name": "Southampton Jan2026 13x13 Tournament",
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        },
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            "name": "第7回ほたて会[第3回春風戦]高段リーグ",
            "director": {
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                "username": "ほたて囲碁教室2",
                "country": "jp",
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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↓↓",
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            "title": null,
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            "handicap": 0,
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                "time_control": "absolute",
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                "name": "ほたてオンライン",
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            "name": "แข่งเก็บคะแนน",
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                "username": "Sarawoot Kanya",
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            "description": "แต้มต่อ 6.5",
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            "time_start": "2026-01-26T08:00:00Z",
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        },
        {
            "id": 138488,
            "name": "✨ Go Magic March 13x13 ✨",
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                "id": 901303,
                "username": "Muff0",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/e04175e5267b560bb2448bb1867a73e7-64.png",
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            },
            "description": "🎉A new 13x13 rapid tournament with Go Magic!✨\n\nAll prizes are Go Magic Gift Cards\n\n\n🏆Prizes:\n\n1st Place: $150   \n2nd Place: $120  \n3rd Place: $100  \n\n🏆 Special Prizes (mutually exclusive with winning):\n\n4 Wins: $75  \n\n\nAll you have to do is register and be here at the starting time! The next rounds will start as soon as all the games are finished.\n\nThe expected total duration is about 2h\n\n⌚ **The start time is shown in your local timezone!!**  \n**Absolute start time is:**   \n**Saturday, March, 28th 2026 1:00 PM UTC**  \nAdd to your calendar: [**Google**](https://calendar.google.com/calendar/render?action=TEMPLATE&dates=20260328T130000Z%2F20260328T150000Z&details=&location=&text=Go%20Magic%2013x13%20March%20) | [**Outlook**](https://outlook.live.com/calendar/0/action/compose?allday=false&body=&enddt=2026-03-28T16%3A00%3A00&location=&path=%2Fcalendar%2Faction%2Fcompose&rru=addevent&startdt=2026-03-28T14%3A00%3A00&subject=Go%20Magic%2013x13%20March%20)   \n  \n🪄✨ Learn Go the Magical way at <a href=\"https://go.gomagic.org/X4LK1U\" target=\"_blank\">Go Magic</a>",
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            "title": null,
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                "max_time": 360
            },
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                "id": 8605,
                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
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            "ended": "2026-03-28T14:54:12.353089Z",
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        {
            "id": 136248,
            "name": "aaaaaaaaaaaaa",
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                "username": "samsonmaximus1",
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                "icon": "https://secure.gravatar.com/avatar/57cf8dd913e26ef70bd5b6b5cb3a1ff4?s=64&d=retro",
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            "description": "aaaaaaaaaaaaaaaaaaaaaa",
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        {
            "id": 137904,
            "name": "Loooooon 9x9",
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                "id": 1884016,
                "username": "Scoutt",
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            "description": "A loong 9x9 tournament",
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                "id": 13697,
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                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
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        },
        {
            "id": 138900,
            "name": "Играем!!!",
            "director": {
                "id": 659128,
                "username": "Эльфия Ходжер",
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            "description": "Играем больше партий!",
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