Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=3244
{ "count": 58886, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3245", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3243", "results": [ { "id": 59606, "name": "Revival Simultaneous McMahon (Japanese)", "director": { "id": 683771, "username": "isibboi", "country": "eu", "icon": "https://secure.gravatar.com/avatar/68022cd1bcdd544cdfb64bb6712b2036?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1354.7638858181247, "deviation": 63.39215306218153, "volatility": 0.0599114806097717 } }, "ranking": 21.945834265406063, "professional": false, "ui_class": "supporter" }, "description": "Many of your tournament games got cancelled after recent technical problems? Always when you check OGS, none of your opponents played a move? You should start a new tournament!\n\nThis tournament is designed to be interesting for everyone. McMahon with Slide pairing will ensure that you play against equal opponents, so the game is not decided before it starts.\n\nCome join and enjoy the fun!", "schedule": null, "title": null, "tournament_type": "s_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": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8851, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-01T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-01T14:00:27.399618Z", "ended": "2020-10-12T08:47:40.445657Z", "start_waiting": "2020-05-01T14:00:25.233086Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 10, "ranked": true }, { "id": 66566, "name": "孫方中第一堂比賽", "director": { "id": 212102, "username": "關老師", "country": "hk", "icon": "https://secure.gravatar.com/avatar/d5ba894609aaf131293f3a54d86abda3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2150.910125841699, "deviation": 76.64419155219224, "volatility": 0.06004910361666918 } }, "ranking": 32.6472431284603, "professional": false, "ui_class": "" }, "description": "請多多指教", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7027, "name": "(2022-2023 第1期 ) 孫方中 圍棋 進階A班", "summary": "3/10，10/10，17/10，24/10，31/10，7/11，28/11，5/12，19/12，9/1，16/1.\n\n星期一 下午 2:30-3:45.\n\n ", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-10-12T07:25:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-10-12T07:21:53.871925Z", "ended": "2020-10-12T08:30:49.371345Z", "start_waiting": "2020-10-12T07:21:53.720827Z", "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": 64713, "name": "Correspondence 9x9 RoundRobin 2020-08-26 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260306T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-06T19:00:20.740041Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "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": "2026-03-09T19:00:00Z", "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": "2020-08-26T19:00:26.430818Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-26T19:01:12.181967Z", "ended": "2020-10-12T08:25:00.081776Z", "start_waiting": "2020-08-26T19:01:08.903486Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 55600, "name": "UOGC 9x9 Spring 2020", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "UOGC 9x9 Spring 2020 tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 87840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 129600, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4121, "name": "Universal Online Go Club", "summary": "No longer operated.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 149, "icon": "https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-64.png" }, "auto_start_on_max": true, "time_start": "2020-04-12T23:00:00Z", "players_start": 24, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-12T23:00:36.205654Z", "ended": "2020-10-12T08:14:11.231764Z", "start_waiting": "2020-04-12T23:00:34.569410Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-15.png", "player_count": 27, "ranked": true }, { "id": 66560, "name": "Time Control", "director": { "id": 648332, "username": "niel406", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/d3f27826815487370052346b440022da?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2098.4530618024246, "deviation": 68.64604495473597, "volatility": 0.059986199523634855 } }, "ranking": 32.07565502381065, "professional": false, "ui_class": "" }, "description": "it already a thing", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 4, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 2, "period_time": 4, "periods": 8 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6892, "name": "UConn Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/16d79d8ddf5a7d55b5d94286cf304bf2-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-12T02:14:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-12T02:14:28.490752Z", "ended": "2020-10-12T02:14:28.446748Z", "start_waiting": "2020-10-12T02:14:28.250895Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/16d79d8ddf5a7d55b5d94286cf304bf2-15.png", "player_count": 1, "ranked": true }, { "id": 66559, "name": "Time Control", "director": { "id": 648332, "username": "niel406", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/d3f27826815487370052346b440022da?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2098.4530618024246, "deviation": 68.64604495473597, "volatility": 0.059986199523634855 } }, "ranking": 32.07565502381065, "professional": false, "ui_class": "" }, "description": "It pretty good tourament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 4, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 5, "period_time": 4, "periods": 8 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6892, "name": "UConn Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/16d79d8ddf5a7d55b5d94286cf304bf2-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-12T02:10:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-12T02:10:28.266847Z", "ended": "2020-10-12T02:10:28.214789Z", "start_waiting": "2020-10-12T02:10:28.064293Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/16d79d8ddf5a7d55b5d94286cf304bf2-15.png", "player_count": 1, "ranked": true }, { "id": 66545, "name": "swiss tournament", "director": { "id": 711995, "username": "Benoit-lxsen", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/d3236ba96ed9c5e56c81f0eb21aeb6d6-64.png", "ratings": { "version": 5, "overall": { "rating": 1132.915127189507, "deviation": 66.2002666305754, "volatility": 0.06005943029609952 } }, "ranking": 17.805847636831217, "professional": false, "ui_class": "" }, "description": "11.10", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 61, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 60, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6829, "name": "Möhkäkalat", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-10-11T17:23:00Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-10-11T17:21:54.438090Z", "ended": "2020-10-11T19:51:58.536409Z", "start_waiting": "2020-10-11T17:21:54.114715Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 66501, "name": "2do Torneo Latinoamericano Sub-9", "director": { "id": 1861, "username": "sbstnmntlf", "country": "cl", "icon": "https://user-uploads.online-go.com/268a3294e0b64c27c9707f9b961dd3f7-64.png", "ratings": { "version": 5, "overall": { "rating": 1938.530192784861, "deviation": 71.55174431617326, "volatility": 0.06006818372023299 } }, "ranking": 30.24054566429615, "professional": false, "ui_class": "" }, "description": "Bienvenidos al 2do Torneo Latinoamericano Sub-9!\n\nSe jugarán 5 rondas en tablero 9x9. El jugador que consiga capturar 15 piedras será el ganador. \n\nPara finalizar la partida el jugador que haya perdido 15 piedras deberá rendirse. No se puede pasar el turno.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 20, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3145, "name": "Torneos Infantiles y Juveniles Latinoamérica ", "summary": "LIGA PANAMERICANA DE GO POR EQUIPOS SUB 18 SIRIO\n\n------EMPAREJAMIENTO RONDA 1 https://bit.ly/3oUSXYS\n\nDivisión 19x19: sistema suizo, reglas japonesas, tiempo principal de 20 min y byo-yomi de 3x20, sin hándicap, komi 6.5, color aleatorio. \n\nDivisión 13x1", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 188, "icon": "https://user-uploads.online-go.com/4a29eb4790a3307c4eb20b0f25a7fc0c-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-11T16:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2020-10-11T16:00:02.033718Z", "ended": "2020-10-11T18:08:51.028986Z", "start_waiting": "2020-10-11T16:00:01.363122Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/4a29eb4790a3307c4eb20b0f25a7fc0c-15.png", "player_count": 18, "ranked": true }, { "id": 66541, "name": "Live 19x19 Swiss Tournament 2020-10-11 16:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260308T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-03-08T08:00:20.130119Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-03-08T12:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-10-11T16:30:02.061976Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-10-11T16:30:02.901848Z", "ended": "2020-10-11T18:02:32.139631Z", "start_waiting": "2020-10-11T16:30:02.576272Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 66542, "name": "Sunday tournament", "director": { "id": 56637, "username": "milanm", "country": "un", "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png", "ratings": { "version": 5, "overall": { "rating": 1642.6999839864804, "deviation": 66.39699834833269, "volatility": 0.059938702868410236 } }, "ranking": 26.407164168197564, "professional": false, "ui_class": "supporter aga" }, "description": "weekly 9x9 tournament", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 240 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5803, "name": "Massachusetts Go Foundation", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 49, "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-11T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-10-11T16:59:14.521064Z", "ended": "2020-10-11T17:31:21.327781Z", "start_waiting": "2020-10-11T16:59:14.222181Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png", "player_count": 8, "ranked": true } ] }
