List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5005
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=max_ranking&page=5006",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5004",
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                "name": "歷碁賽 A組",
                "summary": "",
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            "started": "2021-01-31T02:02:21.557461Z",
            "ended": "2021-01-31T02:52:09.812185Z",
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            "player_count": 2,
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        {
            "id": 68017,
            "name": "Tounament",
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                "id": 740650,
                "username": "NTU_A2_Yinjie",
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                "icon": "https://secure.gravatar.com/avatar/32673ba532ce8cb16892bcf703e9a202?s=64&d=retro",
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                "ui_class": ""
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            "description": "Discri",
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            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 50,
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                "time_control": "byoyomi",
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            },
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                "name": "NTU Weiqi",
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            "auto_start_on_max": false,
            "time_start": "2020-11-19T14:23:00Z",
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            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-11-19T14:23:38.007645Z",
            "ended": "2020-11-19T15:08:17.998285Z",
            "start_waiting": "2020-11-19T14:23:37.871821Z",
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        },
        {
            "id": 76421,
            "name": "The end of the exams...",
            "director": {
                "id": 818383,
                "username": "SubToMixzory",
                "country": "vi",
                "icon": "https://user-uploads.online-go.com/c6aa9dd0c30d28446d4dcafe2b6186e9-64.png",
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                },
                "ranking": 20.439713055563516,
                "professional": false,
                "ui_class": ""
            },
            "description": "YAH!!!!!!!! IT\"S THE END OF THE EXAM\nLETS HAVE A TOURNAMENT TO CELEBRATE IT",
            "schedule": null,
            "title": null,
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            "handicap": 0,
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            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3852,
                "name": "Hong Kong ",
                "summary": "First priority : HK people join plz                                                                     \nThis group welcomes everyone, but only if you don't be rude.",
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            },
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        },
        {
            "id": 62071,
            "name": "Fast Correspondence 2020-06-24",
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                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
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                },
                "ranking": 25.004951341512772,
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                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
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            "title": null,
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            "rules": "japanese",
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            "time_control_parameters": {
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                "max_time": 172800
            },
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            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "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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            },
            "auto_start_on_max": false,
            "time_start": "2020-06-24T00:00:00Z",
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            "analysis_enabled": true,
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            "player_count": 10,
            "ranked": true
        },
        {
            "id": 94179,
            "name": "The 50th Murase Go Group Tournament",
            "director": {
                "id": 449215,
                "username": "SM-SYaKo",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png",
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                },
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            },
            "description": "毎月27日に開催される定例トーナメントです。これは第五十回村瀬碁グループ定例トーナメントです。2022年11月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 50th tournament that starts on November 27th, 2022.",
            "schedule": null,
            "title": null,
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            "handicap": -1,
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                "max_time": 345600
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            "is_open": true,
            "exclude_provisional": false,
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                "id": 2389,
                "name": "Murase Go Group",
                "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。",
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        {
            "id": 36393,
            "name": "For Lovers of Fast Correspondence",
            "director": {
                "id": 58967,
                "username": "Onno",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/8f832f6a83dffc4a53b02758bb18ce58-64.png",
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            },
            "description": "If you don't like tournaments to go on for ever and ever and ever. This one is for you!",
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            "time_per_move": 6720,
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                "id": 508,
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                "admin_only_tournaments": false,
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        },
        {
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            "name": "GO bot tournament",
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                "username": "husky.Yuki",
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                "icon": "https://user-uploads.online-go.com/65955db56153804de5d98d593003a7cd-64.png",
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                },
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            "description": "GO bot tournament",
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            "title": null,
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            "group": {
                "id": 3211,
                "name": "gtp2ogs AI Gathering 2019x19 ໒( ̿ ᴥ ̿ )७",
                "summary": "Gathering all OGS AI enthusiasts ! Welcome !!!",
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                "hide_details": false,
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        {
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                "username": "folly",
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            "description": "13 x 13 tournament",
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            },
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                "id": 161,
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                "summary": "Like to play on a 13 x 13 board?",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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        },
        {
            "id": 131562,
            "name": "Houston Go Club - Round Robin Correspondence Tournament",
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                "username": "ajiadjuster",
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            "description": "Everyone plays everyone once, simultaneously. (If the tournament is full with 8 players, each individual will have 7 simultaneous games.)\n\n***Tournament starts when full***",
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            "handicap": 0,
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                "id": 1274,
                "name": "Houston Go Club",
                "summary": "Playing go online and at real boards in Houston, Texas.",
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            "analysis_enabled": true,
            "exclusivity": "group",
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            "start_waiting": "2025-10-01T17:00:49.013073Z",
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            "ranked": true
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        {
            "id": 99214,
            "name": "9x9 Open D.E. Cup #62",
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                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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