List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=5440
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=max_ranking&page=5439",
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                "professional": false,
                "ui_class": ""
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            "description": "MGF DE",
            "schedule": null,
            "title": null,
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            "time_control_parameters": {
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            "is_open": true,
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                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
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            "time_start": "2021-10-01T20:00:00Z",
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            "subsequent_pairing_method": "strength",
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            "analysis_enabled": true,
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            "ended": "2022-06-23T14:42:58.016898Z",
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            "player_count": 5,
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        },
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            "id": 35399,
            "name": "混血权重对抗赛",
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                "username": "cngoodboy",
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                "icon": "https://secure.gravatar.com/avatar/0638fcbbc51021cea80d5cf1d950aa0c?s=64&d=retro",
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            "description": "让各位展现一下各位混血出的权重的实力,为了避免机子的差异,请使用统一的命令行参数(使用Leela Zero V0.12):\n\nleelaz -g -w weight --noponder -p 30000 --timemanage off -t 1 --gpu 0\n\n请用你的权重文件替换weight。\n时间是最多三天一步的慢棋,因此不用担心。",
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            "title": null,
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            "is_open": true,
            "exclude_provisional": false,
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                "id": 2285,
                "name": "Leela Zero-CN",
                "summary": "这里是Leela Zero的中文群组,让我们携手创建围棋之神!",
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            "description": "Correspondence but fast paced tournament.\n\n**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**",
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                "id": 508,
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                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
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                "id": 13807,
                "name": "Лига Го",
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        {
            "id": 86738,
            "name": "2 March, 2020 Practice",
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                "username": "vwongpt",
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            "description": "日期: 2 Mar (wed)\n時間: 1920 - 2020\n平台: OGS \"www.online-go.com\n賽規: 15mins + 20s\n\n1. 請預先加入\nZoom 會議\nID: 243 819 3582\npw: 無\n 或 會議連結\nhttps://us02web.zoom.us/j/2438193582\n\n2. 請預早加入 \"Tournament\"\n\n3. 對弈守則\na. 🤝禮貌及有秩序\nb. ⏳請善用時間,若發現 對局過快,或需接受懲罰。\nc. 🚫嚴禁於50步內「Resign」或「投子」, 50步以上則可自行判斷\n*若未能遵守者,或不能參與下次練習賽\n\n\n✨特設Youtube直播及重溫, 請留意以下頻道:\nhttps://youtube.com/channel/UCvJsIiiYWtfuZ_7utaQXTrg",
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            "title": null,
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                "periods": 3
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                "id": 10857,
                "name": "V.Chess Academy",
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            "start_waiting": "2022-03-02T05:54:40.989440Z",
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        {
            "id": 86741,
            "name": "Testing",
            "director": {
                "id": 1102517,
                "username": "vwongpt",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/c6106f229d256b87ad8f114a608b3d7d?s=64&d=retro",
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            "title": null,
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