List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=auto_start_on_max&page=5801
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=auto_start_on_max&page=5800",
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            "name": "9x9 Open League #70",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                "ranking": 21.386269356563897,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "title": null,
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            "handicap": 0,
            "rules": "japanese",
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            },
            "is_open": true,
            "exclude_provisional": false,
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                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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                "is_public": true,
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                "hide_details": false,
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            },
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            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-03T14:48:41.811381Z",
            "ended": "2023-09-10T22:06:36.881631Z",
            "start_waiting": "2023-07-03T14:48:41.298486Z",
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            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
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        },
        {
            "id": 139941,
            "name": "FNRRT: Double Elimination for 25k-14k [FAST] # IV",
            "director": {
                "id": 1872546,
                "username": "Sch-Mentor",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png",
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                        "volatility": 0.06
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                },
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                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Fast tournament: pay attention, a 12-hour increment is roughly two moves per day to keep the flow.\n\nThings to keep in mind:\n* Use the conditional move feature to speed up the game.\n* Disqualification will occur automatically by the site if a player loses by timeout.\n* If you notice that a player behaves badly, please send a message to the TD.\n* And last but not least: no weekends, no pauses, no vacation—just make your move; it’s a tournament, my friend!",
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            "title": null,
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            "time_per_move": 44568,
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            "exclude_provisional": true,
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                "id": 15509,
                "name": "Fast and narrow rank range tournaments",
                "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
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            "auto_start_on_max": true,
            "time_start": "2026-05-18T23:33:00Z",
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            "subsequent_pairing_method": "slide",
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            "started": "2026-05-17T14:57:05.011764Z",
            "ended": null,
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            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 124404,
            "name": "Slow tournament 2025 II",
            "director": {
                "id": 1537216,
                "username": "Amui",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/37dc9a9488072f648e9d7ce0ae714606?s=64&d=retro",
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                },
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                "ui_class": ""
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            "description": "slow tournament II (2 Is means 2 in roman numbers)",
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            "title": null,
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            "exclude_provisional": true,
            "group": {
                "id": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
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            "ended": "2025-02-27T03:42:16.029549Z",
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            "id": 106229,
            "name": "Léro léro",
            "director": {
                "id": 832318,
                "username": "miguel0204",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/471c6f87781deced9d324ef7093a8382?s=64&d=retro",
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                "ui_class": ""
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            "description": "Léro léro",
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            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
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            "time_per_move": 11,
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                "time_control": "byoyomi",
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                "period_time": 10,
                "periods": 5
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            "exclude_provisional": false,
            "group": {
                "id": 13117,
                "name": "alunos verissimo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 110,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "time_start": "2023-08-08T13:00:00Z",
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            "subsequent_pairing_method": "strength",
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            "exclusivity": "group",
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            "ended": "2023-08-08T13:12:55.556360Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 122202,
            "name": "13x13 New Zealand Handicap D.E. #11",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
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                },
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                "ui_class": "supporter"
            },
            "description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Handicap games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
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            "title": null,
            "tournament_type": "double_elimination",
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            "time_control_parameters": {
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                "max_time": 604800
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            "exclude_provisional": false,
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                "id": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
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            "time_start": "2024-12-14T04:13:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-11T19:26:04.392067Z",
            "ended": "2025-08-13T04:11:29.785406Z",
            "start_waiting": "2024-12-11T19:26:04.217951Z",
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            "ranked": true
        },
        {
            "id": 14921,
            "name": "Happy Monkey Year",
            "director": {
                "id": 20502,
                "username": "nobush",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/d0c558f672e167a609363bda95da4150-64.png",
                "ratings": {
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                },
                "ranking": 22.3854763936745,
                "professional": false,
                "ui_class": ""
            },
            "description": "Happy Chinese New Year of the Monkey!\n猴年新春快樂",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 174720,
            "time_control_parameters": {
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                "max_time": 518400,
                "time_increment": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 20,
                "name": "Single Digit Kyu Room",
                "summary": "A room for SDK's \r\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 760,
                "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-02-22T00:00:00Z",
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            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-02-22T00:01:01.340621Z",
            "ended": "2020-03-29T08:24:25.004649Z",
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            "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png",
            "player_count": 50,
            "ranked": true
        },
        {
            "id": 125453,
            "name": "9x9 Mini League 10k-25k #282",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                },
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                "professional": false,
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            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
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                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "max_ranking": 20,
            "analysis_enabled": true,
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            "ended": "2025-03-05T21:10:32.265407Z",
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        {
            "id": 83106,
            "name": "19x19 D.E. 12/04/2021 🦎",
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                "username": "Mulsiphix",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
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            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Humdrum Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<hr>\n\nTournaments are a great way to locate players who are more competitive than your average opponent. A big part of improving your own skills is to have them tested by capable challengers. If you would like to be a part of more New Zealand rule set tournaments, check out our group for weekly opportunities.",
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            "title": null,
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            "handicap": 0,
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            },
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            "group": {
                "id": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
                "require_invitation": false,
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                "hide_details": false,
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            "subsequent_pairing_method": "strength",
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        {
            "id": 123490,
            "name": "9x9 Open D.E. Cup #161",
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                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 708,
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            "subsequent_pairing_method": "random",
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            "ended": "2024-11-26T11:54:24.527475Z",
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}