Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3706
{ "count": 60701, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3707", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3705", "results": [ { "id": 288, "name": "Dios's Tournament of Champions 2", "director": { "id": 7826, "username": "Dios", "country": "us", "icon": "https://secure.gravatar.com/avatar/317faee3d732d53e6e7699aba9acf040?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1184.0223222165275, "deviation": 90.85634050889757, "volatility": 0.059993167539567585 } }, "ranking": 18.8273024965393, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 432000, "time_control_parameters": { "time_control": "simple", "per_move": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2007-08-07T16:06:00Z", "ended": "2007-11-08T19:46:00Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 84937, "name": "Mannheim", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 769.0975600653927, "deviation": 65.01454445024554, "volatility": 0.05993770725600263 } }, "ranking": 8.83912293002885, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 23, "name": "German Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 358, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-01-17T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-17T08:05:09.030523Z", "ended": "2022-05-19T07:39:59.055249Z", "start_waiting": "2022-01-17T08:05:08.323317Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 77830, "name": "gqegq", "director": { "id": 1016128, "username": "TimTsai", "country": "tw", "icon": "https://user-uploads.online-go.com/5ad16efa4bdf65289a15d3505660b527-64.png", "ratings": { "version": 5, "overall": { "rating": 993.5512788378296, "deviation": 70.04800542370968, "volatility": 0.060231200015363015 } }, "ranking": 14.767093597042754, "professional": false, "ui_class": "" }, "description": "sggs\n\nreeqgrgq", "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": 9661, "name": "NK Maklom", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 23, "icon": "https://user-uploads.online-go.com/d913738a458b0f92c063615fe38a6e52-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-21T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-21T19:40:52.979135Z", "ended": "2022-05-19T19:25:02.082460Z", "start_waiting": "2021-07-21T19:40:52.895820Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d913738a458b0f92c063615fe38a6e52-15.png", "player_count": 4, "ranked": true }, { "id": 137151, "name": "Blitz 19x19 Elimination Tournament 2026-02-07 21:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260820T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-20T05:00:29.812565Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-08-20T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-02-07T21:30:41.581377Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-02-07T21:30:41.940471Z", "ended": "2026-02-07T22:08:44.824831Z", "start_waiting": "2026-02-07T21:30:41.732615Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 135646, "name": "第六回ほたて会【ゆるめ部門】１", "director": { "id": 1609909, "username": "ほたて囲碁教室", "country": "jp", "icon": "https://user-uploads.online-go.com/651c2aebc8ac9e8fef162798dd97d08a-64.png", "ratings": { "version": 5, "overall": { "rating": 652.7412618189767, "deviation": 127.46654126231485, "volatility": 0.06004845959415647 } }, "ranking": 5.041666221837165, "professional": false, "ui_class": "" }, "description": "日時：令和7年12月28日(日)16：00～17:00\n\n対局開始方法：お時間になりますと、自動で対局が開始されます。OGSを開いてお待ち下さい。\n\n対局方法：【通信対局】で１局打つ\n\n着手方法：盤面ワンクリックで着手（打ち間違いに気をつけて下さい）or 盤面に石を打って画面右上のユーザー名下にある「着手決定」をクリック ※皆様のOGSの【通信対局】設定により変わります\n\nzoom：使用しません\n\n飲食：自由\n\n対局中に席を離れても大丈夫です\n\n解散方法：対局が終わり次第、各自終了です\n\n結果：この画面に表示されます and ほたて先生から報告します。\n\nこのリーグの参加者は↓↓\n\nnem2 高知県 20級\n\nほたる 香川県 20級", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 4787, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15994, "name": "ほたてオンライン2", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 29, "icon": "https://user-uploads.online-go.com/d458889987f619cffbd015113b6a27ef-64.png" }, "auto_start_on_max": false, "time_start": "2025-12-28T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-12-28T07:00:11.701369Z", "ended": "2025-12-28T07:16:14.421813Z", "start_waiting": "2025-12-28T07:00:11.658085Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d458889987f619cffbd015113b6a27ef-15.png", "player_count": 2, "ranked": false }, { "id": 91138, "name": "1 -> 周逸 2 -> 蔡得恩", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "1 -> 周逸\n2 -> 蔡得恩", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-06-11T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-06-11T03:44:59.554362Z", "ended": "2022-06-11T04:13:27.306414Z", "start_waiting": "2022-06-11T03:44:59.498934Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 30343, "name": "Correspondence 19x19 RoundRobin 2017-09-18 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260819T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-19T19:00:29.832476Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-08-22T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2017-09-18T01:00:57.670871Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-09-18T01:01:29.823031Z", "ended": "2017-11-23T14:32:57.071518Z", "start_waiting": "2017-09-18T01:01:21.790360Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 26314, "name": "9 мая", "director": { "id": 400855, "username": "Россия74", "country": "ru", "icon": "https://user-uploads.online-go.com/1309b4d405934cf82ecafadaaf2640f7-64.png", "ratings": { "version": 5, "overall": { "rating": 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"exclusivity": "open", "started": "2017-05-09T12:00:51.376638Z", "ended": "2017-05-09T14:53:44.189374Z", "start_waiting": "2017-05-09T12:00:50.787715Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/461e26a4b6a05e909549c400b65b55c2-15.png", "player_count": 5, "ranked": true }, { "id": 89298, "name": "第1回LINE囲碁仲間募集同時マクマホンopen", "director": { "id": 1133458, "username": "yamaboshi_at_OGS", "country": "jp", "icon": "https://user-uploads.online-go.com/dec68910d8ec1a906027f06ac8466775-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.7628960187205, "deviation": 61.534114158836445, "volatility": 0.059899273188430975 } }, "ranking": 24.6824359263038, "professional": false, "ui_class": "" }, "description": "LINE囲碁仲間募集の同時マクマホン方式です。\n4月29日全体公開。\neveryone welcome!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 43200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 43200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11374, "name": "LINE囲碁仲間募集@OGS", "summary": "LINEオープンチャット、囲碁仲間募集のOGS版です。", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 40, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-04-30T10:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 24, "max_ranking": 32, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-30T10:00:44.301981Z", "ended": "2022-05-29T22:20:55.572490Z", "start_waiting": "2022-04-30T10:00:43.864506Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 89904, "name": "Nyteor", "director": { "id": 996790, "username": "Trust No One", "country": "hk", "icon": "https://user-uploads.online-go.com/c07d6af2b3dfa0a6478bbb038ad5f405-64.png", "ratings": { "version": 5, "overall": { "rating": 1463.0820927962957, "deviation": 67.45940293524826, "volatility": 0.060000242474382404 } }, "ranking": 23.726487075854685, "professional": false, "ui_class": "" }, "description": "Ｔｈｅｒｅ ｉｓ １ ｉｍｐｏｓｔｏｒ ａｍｏｎｇ ｕｓ．．．", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "chinese", "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": 11772, "name": "Among SUS", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-05-12T13:35:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-25T22:26:10.471696Z", "ended": "2022-09-28T22:26:23.377460Z", "start_waiting": "2022-09-25T22:26:10.416148Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }
