Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4635
{ "count": 59284, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4636", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4634", "results": [ { "id": 88310, "name": "✅ 9x9 Championship 2022", "director": { "id": 427962, "username": "Zitouna", "country": "001", "icon": "https://user-uploads.online-go.com/be09b48ffd2b3ad0748bb28c0e3368a1-64.png", "ratings": { "version": 5, "overall": { "rating": 1302.5396094815028, "deviation": 63.97245577767052, "volatility": 0.06033319629625766 } }, "ranking": 21.03577811939048, "professional": false, "ui_class": "" }, "description": "Double elim madness", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2971, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": true, "time_start": "2022-06-22T18:00:00Z", "players_start": 32, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-19T16:29:02.083594Z", "ended": "2023-03-13T17:45:39.678152Z", "start_waiting": "2022-06-19T16:29:01.720949Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 32, "ranked": true }, { "id": 3838, "name": "Friendly Tournament New Year's Eve Eve", "director": { "id": 199, "username": "nhutto", "country": "us", "icon": "https://secure.gravatar.com/avatar/3e6adf99ffdca0f5b86960cebb4b073a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1375.8033144362018, "deviation": 87.2547858920029, "volatility": 0.06004213780687489 } }, "ranking": 22.302589749519324, "professional": false, "ui_class": "" }, "description": "Friendly Tournament New Year's Eve Eve.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 70, "time_control_parameters": { "time_control": "byoyomi", "period_time": 60, "main_time": 900, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 492, "name": "Salt Lake Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 24, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2014-12-31T10:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2014-12-31T10:00:42.184003Z", "ended": "2014-12-31T10:50:50.051275Z", "start_waiting": null, "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": 97962, "name": "9x9 Round Robin.", "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. It is capped at 10 players. An identical tournament that starts after one week or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45143, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 36000, "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": "2022-12-24T21:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-12-24T21:00:46.737682Z", "ended": "2023-01-08T21:06:07.591002Z", "start_waiting": "2022-12-24T21:00:46.649149Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 2, "ranked": true }, { "id": 137605, "name": "Correspondence 13x13 RoundRobin 2026-02-22 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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260407T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-07T19:00:21.261790Z", "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": "2026-04-10T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2026-02-22T19:00:41.256920Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-22T19:01:40.630546Z", "ended": null, "start_waiting": "2026-02-22T19:01:40.308733Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 98595, "name": "9x9 Round Robin.", "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. It is capped at 10 players. An identical tournament that starts after one week or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45143, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "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": "2023-01-12T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-12T01:31:13.866290Z", "ended": "2023-02-28T22:59:30.256025Z", "start_waiting": "2023-01-12T01:31:12.257998Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 10, "ranked": true }, { "id": 101251, "name": "3 -> 郭在田 4 -> 胡曦文", "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": "3 -> 郭在田\n4 -> 胡曦文", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 29, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-03-18T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-03-18T08:38:00.231099Z", "ended": "2023-03-18T09:35:44.863039Z", "start_waiting": "2023-03-18T08:38:00.159095Z", "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": 97968, "name": "13x13 Round Robin.", "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. It is capped at 10 players. An identical tournament that starts after two weeks or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 2419200 }, "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": "2022-12-31T16:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-12-31T16:00:37.557975Z", "ended": "2023-03-25T08:51:46.469215Z", "start_waiting": "2022-12-31T16:00:37.464859Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 4, "ranked": true }, { "id": 3925, "name": "Go fun cup", "director": { "id": 116565, "username": "Fartman2000", "country": "fi", "icon": "https://secure.gravatar.com/avatar/1558f76abb97106bb4e1c46a759ae737?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1591.749535387341, "deviation": 65.91237636050612, "volatility": 0.05999663708764106 } }, "ranking": 25.677766196265335, "professional": false, "ui_class": "" }, "description": "a tournamet for everybody, welcome!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 73, "time_control_parameters": { "time_control": "byoyomi", "period_time": 60, "main_time": 1200, "periods": 5 }, "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": 8866, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2015-01-03T15:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-01-04T18:28:01.122641Z", "ended": "2015-01-04T19:29:59.896660Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 4, "ranked": true }, { "id": 21170, "name": "กล้วยสีฟ้า (ฺBlue Banana)", "director": { "id": 120320, "username": "Ignil", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png", "ratings": { "version": 5, "overall": { "rating": 2121.912696995676, "deviation": 70.45817006699149, "volatility": 0.05996492273182429 } }, "ranking": 32.33302425647488, "professional": false, "ui_class": "" }, "description": "ทัวร์นาเม้นท์นี้เป็น 1 ใน 3 ทัวร์นาเม้นท์แบบต่อเนื่อง โดยทัวร์ฯนี้จะแข่งกัน 10 คน แบบพบกันหมดกระดาน 9x9 โดยผู้ที่ได้คะแนนสูงสุด 6 อันดับแรกจะได้รับเชิญไปแข่งทัวร์นาเม้นท์ถัดไปแบบกระดาน 13x13 ในทัวร์กระดาน 13 นี้ ผู้แข่งขันที่คะแนนสูงสุด 3 คนจะได้รับเชิญไปแข่งทัวร์ฯ 19x19 เพื่อหาผู้ชนะเพียงคนเดียวต่อไป\n\nทัวร์นี้เหมาะกับมือใหม่ที่ยังไม่กล้าเล่นกระดานใหญ่ แต่จะได้มีโอกาสเล่นกระดาน 9 กับ ไฮคิวนะครับ", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 485, "name": "THAILAND GO", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 509, "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-64.png" }, "auto_start_on_max": true, "time_start": "2016-11-10T16:42:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2016-10-12T10:07:59.833972Z", "ended": "2016-10-30T11:43:05.545909Z", "start_waiting": "2016-10-12T10:07:56.396543Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-15.png", "player_count": 10, "ranked": true }, { "id": 18227, "name": "Correspondence 13x13 RoundRobin 2016-06-14 01:00", "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:20260407T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-07T19:00:21.261790Z", "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": "2026-04-10T19:00:00Z", "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, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-06-14T01:00:23.507790Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-06-14T01:00:42.999430Z", "ended": "2016-09-26T21:31:18.091188Z", "start_waiting": "2016-06-14T01:00:41.832080Z", "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 } ] }
