List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5138
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59078,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5139",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5137",
    "results": [
        {
            "id": 57413,
            "name": "Torneo Reclusione Volontaria-secondo tentativo",
            "director": {
                "id": 499654,
                "username": "Dainetti",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/89b46db954968229bc5f0e01252e6c6e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1698.9836229279354,
                        "deviation": 62.71790584816543,
                        "volatility": 0.05947697098040039
                    }
                },
                "ranking": 27.18706413818261,
                "professional": false,
                "ui_class": ""
            },
            "description": "A causa di una svista, dei giocatori sconosciuti sono riusciti ad invadere il torneo. Scusate per la confusione!!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": true,
            "group": {
                "id": 2243,
                "name": "Go Club del Tortellino",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/efe8fd73e7f0427ccc8463dfb3e6bca5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-16T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-03-16T07:00:32.940004Z",
            "ended": "2020-05-18T07:11:00.306859Z",
            "start_waiting": "2020-03-16T07:00:30.780121Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/efe8fd73e7f0427ccc8463dfb3e6bca5-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 118767,
            "name": "1º Rock & Metal Group Tournament",
            "director": {
                "id": 1268300,
                "username": "Jonathan Abrantes",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/b925f75b823f4ef47032c7b14434e8bb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 907.7609563523789,
                        "deviation": 65.37280412693192,
                        "volatility": 0.060021237762339044
                    }
                },
                "ranking": 12.676542223285502,
                "professional": false,
                "ui_class": ""
            },
            "description": "For all the rock and metal lovers.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 10964,
                "name": "Rock & Metal Group",
                "summary": "For all Go players who love rock and metal music!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://user-uploads.online-go.com/cebfb1949be37e92e6a24752e42f9952-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-01T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-01T19:00:35.735879Z",
            "ended": "2025-03-04T04:54:00.844449Z",
            "start_waiting": "2025-01-01T19:00:35.616329Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cebfb1949be37e92e6a24752e42f9952-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 105155,
            "name": "9x9 Mini League 1k-9k #82",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1385.0788884253534,
                        "deviation": 68.8539733391597,
                        "volatility": 0.060175649150421825
                    }
                },
                "ranking": 22.45814172890437,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 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": 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,
                "member_count": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-23T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-20T17:16:54.956691Z",
            "ended": "2023-08-11T06:56:36.627957Z",
            "start_waiting": "2023-07-20T17:16:54.824828Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 69033,
            "name": "Correspondence 13x13 RoundRobin 2020-12-17 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 7,
                "name": "Correspondence 13x13 RoundRobin",
                "rrule": "DTSTART:20260320T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-03-20T19:00:20.500212Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-03-23T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-12-17T19:00:16.973974Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-17T19:00:20.822396Z",
            "ended": "2021-01-21T08:10:00.729434Z",
            "start_waiting": "2020-12-17T19:00:19.370820Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 58936,
            "name": "Buckwheat keepers tournament at home",
            "director": {
                "id": 182494,
                "username": "𝖎𝖒𝖙𝖖𝖔𝖎",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/35c19d35d44885ef5dffd8148b90c4e3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1822.832545249107,
                        "deviation": 61.80035972708545,
                        "volatility": 0.0598690063245635
                    }
                },
                "ranking": 28.815931274705868,
                "professional": false,
                "ui_class": ""
            },
            "description": "Тёплый турнир по-домашнему для игроков из России :)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5224,
                "name": "Go club Reisei",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/9d3c3b836b6d01b5fa0a7ce676044ab2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-15T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-04-15T15:00:20.451432Z",
            "ended": "2021-04-20T23:59:01.948338Z",
            "start_waiting": "2020-04-15T15:00:19.338027Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9d3c3b836b6d01b5fa0a7ce676044ab2-15.png",
            "player_count": 25,
            "ranked": true
        },
        {
            "id": 105523,
            "name": "9x9 Mini League 5k-15k #31",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1385.0788884253534,
                        "deviation": 68.8539733391597,
                        "volatility": 0.060175649150421825
                    }
                },
                "ranking": 22.45814172890437,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 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": 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,
                "member_count": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-23T19:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-23T15:03:16.418128Z",
            "ended": "2023-08-22T08:47:13.913540Z",
            "start_waiting": "2023-07-23T15:03:16.271796Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 66309,
            "name": "hi bots",
            "director": {
                "id": 743973,
                "username": "Tilforeverfallsapart",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/8257000e003d956e59cb0c9cdc3282fa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1105.5679500546823,
                        "deviation": 82.1240589534962,
                        "volatility": 0.05999733822569754
                    }
                },
                "ranking": 17.24018005932385,
                "professional": false,
                "ui_class": ""
            },
            "description": "let's play",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 885,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-05T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-06T15:56:37.508615Z",
            "ended": "2021-01-11T22:31:10.714664Z",
            "start_waiting": "2020-10-06T15:56:37.218404Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 78266,
            "name": "Bot vs Human 20210802 0020",
            "director": {
                "id": 1031342,
                "username": "NewHand_Bot",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/231a943c0a9781902371549b12a05456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1975.6918383935774,
                        "deviation": 67.62205433700483,
                        "volatility": 0.06021274884977886
                    }
                },
                "ranking": 30.680131328159977,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "This tournament allows bot accounts to participate.\n\nHandicap is automatic.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 885,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-08-02T00:20:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-02T00:20:18.591909Z",
            "ended": "2021-08-04T13:18:51.270054Z",
            "start_waiting": "2021-08-02T00:20:18.479869Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 69594,
            "name": "Web烏鷺の会 新春囲碁大会",
            "director": {
                "id": 788184,
                "username": "f_uenoyama",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/acdee1cb9e308c99bb0cfbf83b3108ed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1892.7773709169683,
                        "deviation": 64.05048468550963,
                        "volatility": 0.06005544104158299
                    }
                },
                "ranking": 29.687612671177586,
                "professional": false,
                "ui_class": ""
            },
            "description": "令和3年 新春囲碁大会 オール互先 総当たり戦です。\n期間は2カ月程度とさせて頂きます。もちろん早く打って頂いても結構です。ご参加お待ちしています。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5915,
                "name": "Web烏鷺の会",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "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": "2021-01-11T23:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-01-11T23:00:17.243700Z",
            "ended": "2021-02-02T14:41:12.055584Z",
            "start_waiting": "2021-01-11T23:00:16.372398Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 69677,
            "name": "Weekly Tournament!",
            "director": {
                "id": 818369,
                "username": "deleted-02279e69-efe6-4da6-94a9-3782bbb65eb5",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/2b3a681b48d743df2cca63be7186d96c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1495.0613630632597,
                        "deviation": 71.01591139116258,
                        "volatility": 0.06001035702325122
                    }
                },
                "ranking": 24.227036802303612,
                "professional": false,
                "ui_class": ""
            },
            "description": "erry week",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 25,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6269,
                "name": "BeginnerGo",
                "summary": "Beginners welcome!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 228,
                "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-02T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-02T19:01:55.394146Z",
            "ended": "2021-01-02T19:06:24.863283Z",
            "start_waiting": "2021-01-02T19:01:55.221693Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}