List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=479
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59176,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=480",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=478",
    "results": [
        {
            "id": 62741,
            "name": "coinxd",
            "director": {
                "id": 748310,
                "username": "heroico papu",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/a1770259180641af4828f915463d0a20-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 780.4750044256709,
                        "deviation": 66.41802091618342,
                        "volatility": 0.06007260352785697
                    }
                },
                "ranking": 9.17907805851791,
                "professional": false,
                "ui_class": ""
            },
            "description": "looooooooool",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4806,
                "name": "COIN Centro de Inteligencias",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 65,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-03T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-03T23:00:07.964659Z",
            "ended": "2020-07-03T23:37:14.888504Z",
            "start_waiting": "2020-07-03T23:00:07.595707Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 42673,
            "name": "blackplasmastudios",
            "director": {
                "id": 588362,
                "username": "pkid",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/13da06ad28ca69b43bdd180d351478bb?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 837.4597750611271,
                        "deviation": 69.77525789624303,
                        "volatility": 0.05997929324556765
                    }
                },
                "ranking": 10.810470559583019,
                "professional": false,
                "ui_class": ""
            },
            "description": "we have got this",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2284,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-10T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-11T22:31:12.187272Z",
            "ended": "2019-01-05T07:10:35.074039Z",
            "start_waiting": "2018-11-11T22:31:11.616188Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 59111,
            "name": "6. EntiGo",
            "director": {
                "id": 53434,
                "username": "vunzi",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/853adc44af3dc0f3e0854283b6ae196c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1844.8755198549454,
                        "deviation": 70.04335948916246,
                        "volatility": 0.06002666856114894
                    }
                },
                "ranking": 29.094198245356043,
                "professional": false,
                "ui_class": ""
            },
            "description": "EntiGo 6.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1428,
                "name": "Entimo",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/03a7de0d18324c3d9f360f1e6b5e1cf0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-18T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-04-18T15:00:41.818824Z",
            "ended": "2020-12-28T11:44:36.666150Z",
            "start_waiting": "2020-04-18T15:00:40.926025Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/03a7de0d18324c3d9f360f1e6b5e1cf0-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 79257,
            "name": "🦕 #11",
            "director": {
                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0554496406809,
                        "deviation": 84.91308607572303,
                        "volatility": 0.076882078105041
                    }
                },
                "ranking": 15.194279748149173,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone is welcome 🍃🍃🍃",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 361,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-08-25T19:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-25T19:00:27.001748Z",
            "ended": "2022-04-28T11:45:58.787834Z",
            "start_waiting": "2021-08-25T19:00:26.798752Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 127916,
            "name": "Show Today BLYAAAA",
            "director": {
                "id": 1734968,
                "username": "KungYo",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/ca1e6a51c9c50cde1821739e5b556fba?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 643.0170330173323,
                        "deviation": 68.06400311660414,
                        "volatility": 0.06001881331211665
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Турнир для команды Show Today Красноярск.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 15,
                "initial_time": 300,
                "max_time": 1800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15275,
                "name": "Show Today GO",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-27T14:00:00Z",
            "players_start": 10,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-04-27T13:52:07.856925Z",
            "ended": "2025-04-27T14:03:43.599590Z",
            "start_waiting": "2025-04-27T13:52:07.763909Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 80955,
            "name": "9x9 D.E. 08/09/2021 🦎",
            "director": {
                "id": 584481,
                "username": "Mulsiphix",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1723.508332937557,
                        "deviation": 67.30621035483453,
                        "volatility": 0.06024145341136911
                    }
                },
                "ranking": 27.51884388340188,
                "professional": false,
                "ui_class": "supporter"
            },
            "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><BR>\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.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "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,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 592,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-10T01:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-10T01:00:26.453922Z",
            "ended": "2022-03-17T00:26:07.942919Z",
            "start_waiting": "2021-10-10T01:00:26.241700Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 128936,
            "name": "go experiencias",
            "director": {
                "id": 681764,
                "username": "LeandroMoi",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/213156d9bbd3cd2c352d1d8067118643?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 903.9485264128838,
                        "deviation": 64.85567887403295,
                        "volatility": 0.06006353811600058
                    }
                },
                "ranking": 12.579111719980858,
                "professional": false,
                "ui_class": ""
            },
            "description": "torneio curso 2025",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 1800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12104,
                "name": "DRE S. Mateus SME",
                "summary": "Grupo dos educadores da SME - DRE São Mateus , e interessados e amigos.\nSejam todos bem vindos e entrem em nosso grupo para organizarmos mais ações.\nhttps://chat.whatsapp.com/K2lPBye3iqRBOwJ2dU6sjW\n\ntorneios Mensais todo dia 30.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 94,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-29T22:45:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-05-29T22:45:40.608965Z",
            "ended": "2025-05-30T00:44:57.777950Z",
            "start_waiting": "2025-05-29T22:45:40.460093Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 101023,
            "name": "9x9 Open League #65",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1317.7115162861314,
                        "deviation": 68.21168013811256,
                        "volatility": 0.06020364206472342
                    }
                },
                "ranking": 21.303869650294313,
                "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",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 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": 696,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-09T19:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-07T17:04:05.782651Z",
            "ended": "2023-07-26T13:28:00.613154Z",
            "start_waiting": "2023-04-07T17:04:05.321690Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 94307,
            "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": "Join the OST community (^-^)\n\nOlympic System Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "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": "2022-09-24T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-24T15:00:56.340857Z",
            "ended": "2023-10-13T11:16:36.649005Z",
            "start_waiting": "2022-09-24T15:00:56.105822Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png",
            "player_count": 19,
            "ranked": true
        },
        {
            "id": 89565,
            "name": "2021/22圍棋校隊第四次循環賽",
            "director": {
                "id": 922720,
                "username": "go27082708",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b3e7f690c33f687a9632741520125809?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1672.901993865096,
                        "deviation": 100.67878366607673,
                        "volatility": 0.060036885678894314
                    }
                },
                "ranking": 26.82892520728808,
                "professional": false,
                "ui_class": ""
            },
            "description": "2021/22圍棋校隊第四次循環賽",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 26880,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10180,
                "name": "STWDCFWMS-TeamC",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-04T07:16:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-05-04T07:16:37.697998Z",
            "ended": "2022-06-15T07:15:29.217186Z",
            "start_waiting": "2022-05-04T07:16:37.507963Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 13,
            "ranked": true
        }
    ]
}