List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5839
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=5838",
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            "name": "TEST 4",
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                "username": "袁老師",
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                "name": "Mag1cShop",
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            "id": 119850,
            "name": "#15 Happy Tourney.",
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                "id": 1144866,
                "username": "𝙿𝚞𝚝 𝙺.",
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            "description": "15th happy tourney, I will create a new tournament with this name every Monday, have fun!",
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                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
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            "name": "Tianyuan Main 2018 Title Match - Board 5",
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                "id": 40318,
                "username": "gamesorry",
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            "description": "<!--\nTianyuan Main 2018 Title Match - Board 1\n-->\n\nTitle Holder:\n<a style=\"color:yellow\" href='https://online-go.com/user/view/43936/'>Sadaharu [Tianyuan] x1+2</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>12th</td>\n\t<td style=\"color:yellow\">Tianyuan</td>\n\t<td>Main</td>\n\t<td>2018</td>\n\t<td><a style=\"color:yellow\" href='https://online-go.com/player/43936/'>Sadaharu [Tianyuan]</a></td>\n\t<td><a href='https://online-go.com/player/16805/'>Celebrir [1k]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282424'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282437'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282471'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282490'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120105'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/39817'>Tianyuan Main Title Tournament 2018</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.",
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                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
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        {
            "id": 82725,
            "name": "3rd place match",
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                "id": 1051055,
                "username": "Gamemaster Omar",
                "country": "my",
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            "description": "The winner of this match will take the 3rd place in the tournament while the",
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                "id": 10515,
                "name": "JCCU Go Tournament Group A",
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        {
            "id": 110159,
            "name": "9x9 Round Robin",
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            "description": "Testing out the group...stuff",
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            "title": null,
            "tournament_type": "roundrobin",
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                "system": "none",
                "time_control": "none",
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            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13825,
                "name": "Go-Getters",
                "summary": "A place for people who play with Disjoint_Set to play with each other.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "auto_start_on_max": true,
            "time_start": "2023-12-01T17:00:00Z",
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            "ended": "2024-01-21T15:38:48.918253Z",
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        },
        {
            "id": 135516,
            "name": "第六回ほたて会[第二回寒風戦]上級低段リーグ",
            "director": {
                "id": 1921641,
                "username": "ほたて囲碁教室2",
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            "description": "日時:令和7年12月28日(日)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\nTanago555 兵庫県 1級\n\nmedaka-555 兵庫県 2級\n\niruka555 兵庫県 2級\n\nyururuna 岡山県 3級\n\nisoisop 高知県 4級",
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                "id": 15290,
                "name": "ほたてオンライン",
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                "hide_details": true,
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            "ended": "2025-12-28T08:48:29.093090Z",
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        },
        {
            "id": 120364,
            "name": "Oza Treizes 2020 Title Match - Board 2",
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                "id": 199065,
                "username": "Kuksu League",
                "country": "_United_Federation_of_Planets",
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