Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=players_start&page=85
{ "count": 59934, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=86", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=84", "results": [ { "id": 89664, "name": "Live Tournament", "director": { "id": 1095664, "username": "USE17", "country": "un", "icon": "https://secure.gravatar.com/avatar/8a6e68aaae476904d26cb7a7372643ea?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1188.792006203979, "deviation": 61.76404829061147, "volatility": 0.0606255655038105 } }, "ranking": 18.920372006199532, "professional": false, "ui_class": "" }, "description": "Beginner tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 150, "period_time": 12, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6993, "name": "Live Tournaments", "summary": "A group for players who enjoy live tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 26, "icon": "https://user-uploads.online-go.com/a9ac8506a91a3dc2dedf5e9cebc56769-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-07T01:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-07T01:00:25.347403Z", "ended": "2022-05-07T01:09:48.760788Z", "start_waiting": "2022-05-07T01:00:25.286436Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a9ac8506a91a3dc2dedf5e9cebc56769-15.png", "player_count": 3, "ranked": true }, { "id": 19815, "name": "SUSTC-统计机器学习围棋比赛", "director": { "id": 354016, "username": "shaoch16", "country": "cn", "icon": "https://user-uploads.online-go.com/45aed4c2ca71da7308959954659e69d1-64.png", "ratings": { "version": 5, "overall": { "rating": 1662.3108939062977, "deviation": 290.31896371798047, "volatility": 0.05999967537233814 } }, "ranking": 26.681897238489267, "professional": false, "ui_class": "provisional" }, "description": "吴老师主讲的统计机器学习", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 87360, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1247, "name": "SUSTC-统计机器学习-预赛", "summary": "SUSTC", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/3bf5808a146a72fd6f0f5dc1e50f0491-64.png" }, "auto_start_on_max": false, "time_start": "2016-08-14T05:36:00Z", "players_start": 2, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2016-08-14T05:36:20.842049Z", "ended": "2016-08-14T05:52:09.884071Z", "start_waiting": "2016-08-14T05:36:20.758604Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/3bf5808a146a72fd6f0f5dc1e50f0491-15.png", "player_count": 2, "ranked": true }, { "id": 123453, "name": "турнир 9*9 ♟♟♟♟♟♟♟✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨", "director": { "id": 1679852, "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea", "country": "tr", "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png", "ratings": { "version": 5, "overall": { "rating": 455.94942443569244, "deviation": 73.05424876127188, "volatility": 0.06008889600126372 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 518400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14839, "name": "GYATT MONSTER 👿 GO!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2024-12-21T13:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-21T13:00:55.139417Z", "ended": "2025-02-20T01:08:02.237648Z", "start_waiting": "2024-12-21T13:00:55.066931Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 138744, "name": "JORNADA 4 DE ENTRENAMIENTO BÁSICO DE GO VERANO 2026", "director": { "id": 798920, "username": "vaik.kanik", "country": "mx", "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png", "ratings": { "version": 5, "overall": { "rating": 1116.3894591373814, "deviation": 60.59466797679924, "volatility": 0.059732167326301724 } }, "ranking": 17.465674855011894, "professional": false, "ui_class": "" }, "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 51, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14953, "name": "Kanik", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 19, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-03-29T00:35:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2026-03-29T00:35:10.551420Z", "ended": "2026-03-29T01:14:09.745654Z", "start_waiting": "2026-03-29T00:35:10.361342Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 135515, "name": "第六回ほたて会[第二回寒風戦]二桁級リーグ", "director": { "id": 1921641, "username": "ほたて囲碁教室2", "country": "jp", "icon": "https://user-uploads.online-go.com/651c2aebc8ac9e8fef162798dd97d08a-64.png", "ratings": { "version": 5, "overall": { "rating": 1837.3839021893393, "deviation": 250, "volatility": 0.06 } }, "ranking": 29.0, "professional": false, "ui_class": "provisional" }, "description": "日時：令和7年12月28日(日)16：00～20：00\n\n※20：00には終了できますようご協力お願い致します\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：総当たり戦（同時対局）\n\n※全ての対局をまんべんなく打ち進めて頂くようご協力をお願いいたします\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\n※皆様のOGSの【通信対局】設定により変わります\n\n※着手すると【自動で自分の手番の他の対局画面に切り替わります】。もし、切り替わらない場合は、【ホーム画面】に戻り、対局一覧から自分の手番の対局を選択するか、画面右上のベルマーク(青色か緑色になっており、右に数字の吹き出しがある)をクリックすると、自分の手番の対局画面に移動します。こちらもOGSの設定で変更可能です。\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：全ての対局が終わり次第、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\nm_tzr 香川県 10級\n\nMikebo02 香川県 10級\n\nみめまる 香川県 14級\n\nshousei 香川県 17級\n\nshinonono 香川県 19級", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 15290, "name": "ほたてオンライン", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 46, "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-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": "2025-12-28T07:00:12.168484Z", "ended": "2025-12-28T10:15:01.883414Z", "start_waiting": "2025-12-28T07:00:12.042034Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-15.png", "player_count": 5, "ranked": true }, { "id": 84957, "name": "Contest #1 2022—End-Of-Month Medium Level Group", "director": { "id": 1065846, "username": "OreoHam777", "country": "nz", "icon": "https://secure.gravatar.com/avatar/001a38e123f0edfca9543faacae7865f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1442.0911710199657, "deviation": 60.525251779380696, "volatility": 0.05994262403078612 } }, "ranking": 23.391947100744954, "professional": false, "ui_class": "" }, "description": "Let's all have fun during this Medium Level Group Competition!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "aga", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 86400, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10593, "name": "Felix the Phoenix's Go Club of Fun", "summary": "Felix the Phoenix's Go Club of Fun is a social club which allows players to game, chat and have fun. I hope you'll have a great time in the club!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-31T01:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-31T01:00:52.486185Z", "ended": "2022-10-08T23:21:34.476611Z", "start_waiting": "2022-01-31T01:00:52.025108Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-15.png", "player_count": 10, "ranked": true }, { "id": 135517, "name": "第六回ほたて会[第二回寒風戦]高段リーグ", "director": { "id": 1921641, "username": "ほたて囲碁教室2", "country": "jp", "icon": "https://user-uploads.online-go.com/651c2aebc8ac9e8fef162798dd97d08a-64.png", "ratings": { "version": 5, "overall": { "rating": 1837.3839021893393, "deviation": 250, "volatility": 0.06 } }, "ranking": 29.0, "professional": false, "ui_class": "provisional" }, "description": "日時：令和7年12月28日(日)16：00～20：00\n\n※20：00には終了できますようご協力お願い致します\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：総当たり戦（同時対局）\n\n※全ての対局をまんべんなく打ち進めて頂くようご協力をお願いいたします\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\n※着手すると【自動で自分の手番の他の対局画面に切り替わります】。もし、切り替わらない場合は、【ホーム画面】に戻り、対局一覧から自分の手番の対局を選択するか、画面右上のベルマーク(青色か緑色になっており、右に数字の吹き出しがある)をクリックすると、自分の手番の対局画面に移動します。こちらもOGSの設定で変更可能です。\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：全ての対局が終わり次第、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\nnissi15 愛媛県 ６段\n\nさわら 岡山県 ５段\n\nyuto99t 岡山県 ５段\n\nTatsuro Tsuzura 香川県 ４段\n\nissoh 高知県 ３段", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 15290, "name": "ほたてオンライン", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 46, "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-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": "2025-12-28T07:00:12.029167Z", "ended": "2025-12-28T09:48:00.981080Z", "start_waiting": "2025-12-28T07:00:11.892571Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-15.png", "player_count": 5, "ranked": true }, { "id": 53678, "name": "first", "director": { "id": 333805, "username": "patrickghhayes", "country": "un", "icon": "https://user-uploads.online-go.com/26bdcde5f50111fe255a040796b9edc5-64.png", "ratings": { "version": 5, "overall": { "rating": 1337.6891060937023, "deviation": 290.31896371798047, "volatility": 0.05999967537233814 } }, "ranking": 21.652208749198074, "professional": false, "ui_class": "provisional" }, "description": "first", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4144, "name": "Chillin", "summary": "", "require_invitation": false, 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