List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=708
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59408,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=709",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=707",
    "results": [
        {
            "id": 113265,
            "name": "Kitty & puppy lovers friendly tournament #3",
            "director": {
                "id": 1518938,
                "username": "KittyWise",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/dfb96e8660fdc662a5bd238eef23578c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "🐈🐕🐸🐎🐂🐓🐒 community happy go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "nz",
            "time_per_move": 37943,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14076,
                "name": "KittyWise",
                "summary": "----------------------------------------------------------------------------------------------------------------------",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 59,
                "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-03T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-27T01:57:43.875956Z",
            "ended": "2024-05-05T00:38:28.687244Z",
            "start_waiting": "2024-02-27T01:57:43.106486Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 112937,
            "name": "10 days for DDKs",
            "director": {
                "id": 1097025,
                "username": "jiroku",
                "country": "eu",
                "icon": "https://secure.gravatar.com/avatar/117b27e8e941218b4c3bb5ab1bf37bf3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 880.8278153254452,
                        "deviation": 69.27712868405709,
                        "volatility": 0.05995144844372402
                    }
                },
                "ranking": 11.979289329768603,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "!! players on vacation will be disqualified !!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 6838,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 864000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12619,
                "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",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-26T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-26T11:00:29.803235Z",
            "ended": "2024-04-12T03:36:16.334660Z",
            "start_waiting": "2024-02-26T11:00:29.391238Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 103325,
            "name": "OST - Olympic System Tournament",
            "director": {
                "id": 1033608,
                "username": "NetCat",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1406.6650193080409,
                        "deviation": 70.55993802829255,
                        "volatility": 0.06003444046653894
                    }
                },
                "ranking": 22.81614654991628,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11969,
                "name": "OST GO",
                "summary": "For Olympic tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 54,
                "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-10T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-10T14:00:25.442879Z",
            "ended": "2025-03-24T05:43:07.553065Z",
            "start_waiting": "2023-06-10T14:00:24.966342Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png",
            "player_count": 27,
            "ranked": true
        },
        {
            "id": 130427,
            "name": "19x19 Open League #94",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.1348379116837,
                        "deviation": 67.2035710014903,
                        "volatility": 0.06020465154221762
                    }
                },
                "ranking": 21.98631332494487,
                "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/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-20T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-20T07:39:11.527078Z",
            "ended": "2025-11-15T15:01:52.195953Z",
            "start_waiting": "2025-07-20T07:39:10.879161Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 125044,
            "name": "ซ้อมแข่งของทีมเลขา",
            "director": {
                "id": 912066,
                "username": "cp01",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1025.93061700216,
                        "deviation": 107.2899597198185,
                        "volatility": 0.06005411806588447
                    }
                },
                "ranking": 15.509507700673431,
                "professional": false,
                "ui_class": ""
            },
            "description": "ซ้อมแข่งของทีมเลขา",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "rapid",
                "pause_on_weekends": false,
                "total_time": 420
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14955,
                "name": "Go เลขา+ประสานงาน",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 59,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-04T04:05:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-02-04T04:05:23.736356Z",
            "ended": "2025-02-04T04:54:09.476304Z",
            "start_waiting": "2025-02-04T04:05:23.604009Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 101738,
            "name": "Thành viên mới mời mọi người cùng tham gia ^^",
            "director": {
                "id": 589696,
                "username": "Yi Chang Hweo",
                "country": "vn",
                "icon": "https://user-uploads.online-go.com/1c8bf7bc57e9c91ac12b701d32b17d8c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1334.3839192280307,
                        "deviation": 61.78902216637445,
                        "volatility": 0.05994512537871136
                    }
                },
                "ranking": 21.594938521746737,
                "professional": false,
                "ui_class": ""
            },
            "description": "Do không biết tạo rengo kiểu gì nên e đã ấn bừa. Mọi ng tham gia, ai biết tạo thì chỉ em nhé :)",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12615,
                "name": "Cờ vây và những người bạn",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/4da804791b085727cd884a292d89cd1f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-08T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2024-02-29T14:43:30.532069Z",
            "ended": "2024-03-31T13:48:28.411200Z",
            "start_waiting": "2024-02-29T14:43:30.374863Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4da804791b085727cd884a292d89cd1f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 102771,
            "name": "Monday Morning 19x19 #6",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #6 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-15T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-15T08:00:00.854263Z",
            "ended": "2024-02-29T18:22:22.039412Z",
            "start_waiting": "2023-05-15T08:00:00.658601Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 113776,
            "name": "HAPPY GO #62 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1881.7451606521095,
                        "deviation": 70.36326302169147,
                        "volatility": 0.059833569437341395
                    }
                },
                "ranking": 29.55228620656377,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "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",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-03-17T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-17T04:00:35.166520Z",
            "ended": "2024-09-05T08:19:51.583216Z",
            "start_waiting": "2024-03-17T04:00:35.052964Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 112171,
            "name": "19✖️19 Go Cup Tournament",
            "director": {
                "id": 1497408,
                "username": "Ming Ming",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0426093c662dcbaa2ed6ee379367fc28-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 808.4796202275077,
                        "deviation": 101.59414880347964,
                        "volatility": 0.06002207719886031
                    }
                },
                "ranking": 9.995179393337779,
                "professional": false,
                "ui_class": ""
            },
            "description": "For people who like 19✖️19\n\nhttps://online-go.com/tournament/112818 (2)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13995,
                "name": "OGS Go Cup Title Tournaments",
                "summary": "Hi, I am Go Cup Tournaments. The photo is a cup, that mean: Make tournament",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 23,
                "icon": "https://user-uploads.online-go.com/ededbc5107d7f558aa17587481343a94-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-03-01T04:00:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-01T04:00:30.753443Z",
            "ended": "2024-03-01T05:17:50.785981Z",
            "start_waiting": "2024-03-01T04:00:30.516006Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ededbc5107d7f558aa17587481343a94-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 113423,
            "name": "เทสสสสสสสสสส",
            "director": {
                "id": 1230929,
                "username": "koonp2s2",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/e830d5abe031d7021a414f090ce76fc3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 691.7379528187089,
                        "deviation": 73.95923526570202,
                        "volatility": 0.06002219227681165
                    }
                },
                "ranking": 6.384976970503283,
                "professional": false,
                "ui_class": ""
            },
            "description": "dddddddddddd",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5893,
                "name": "Go Family",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 149,
                "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-03-02T07:03:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-03-02T07:03:30.971442Z",
            "ended": "2024-03-02T07:05:01.149721Z",
            "start_waiting": "2024-03-02T07:03:30.876355Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}