Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=87
{ "count": 60625, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=88", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=86", "results": [ { "id": 105106, "name": "Live 19x19 Swiss Tournament 2023-07-06 08:30", "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 Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260815T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-15T00:00:29.401015Z", 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null, "auto_start_on_max": false, "time_start": "2021-06-16T00:30:47.138842Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-06-16T00:30:48.513340Z", "ended": "2021-06-16T01:51:07.186624Z", "start_waiting": "2021-06-16T00:30:48.320971Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 23385, "name": "Live 19x19 Swiss Tournament 2016-12-27 20:30", "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 Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260815T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-15T00:00:29.401015Z", "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": "2026-08-15T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { 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"volatility": 0.05976808782666816 } }, "ranking": 31.101733169075665, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 77, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2025-08-28T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-28T04:00:29.733201Z", "ended": "2025-11-26T03:57:05.633821Z", "start_waiting": "2025-08-28T04:00:29.597364Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 12, "ranked": true }, { "id": 57682, "name": "The world go competition", "director": { "id": 736022, "username": "楊博皓", "country": "hk", "icon": "https://user-uploads.online-go.com/0bcc85dcf5138f903a59c1fc96b917bc-64.png", "ratings": { "version": 5, "overall": { "rating": 1541.604332011829, "deviation": 65.76762527276921, "volatility": 0.05999650627120625 } }, "ranking": 24.93673238502052, "professional": false, "ui_class": "" }, "description": "You can play go there if you want to play.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 212, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 210, "initial_time": 210, "max_time": 210 }, "is_open": true, "exclude_provisional": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18104, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2020-03-19T03:30:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-21T00:35:19.777601Z", "ended": "2020-03-21T00:45:20.142144Z", "start_waiting": "2020-03-21T00:35:19.074629Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 57797, "name": "Blitz 13x13 Swiss Tournament 2020-03-21 19:30", "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 Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260814T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-08-14T23:00:29.393957Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "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": "2026-08-15T03:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-03-21T19:30:05.532151Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-21T19:30:07.224528Z", "ended": "2020-03-21T20:21:07.700379Z", "start_waiting": "2020-03-21T19:30:06.533628Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 51097, "name": "Nerdy 9x9 Kyu Tournament", "director": { "id": 571536, "username": "personnerdy", "country": "_NATO", "icon": "https://secure.gravatar.com/avatar/f65512910552dc975b44adf67c971347?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 798.2940257215395, "deviation": 64.10053293007448, "volatility": 0.060020899416725275 } }, "ranking": 9.70167237450699, "professional": false, "ui_class": "" }, "description": "A Nerdy 9x9 tournament for Kyu-ranked players.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "aga", "time_per_move": 3, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "blitz", "pause_on_weekends": false, "total_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3897, "name": "Nerdy Go Club", "summary": "A Go club for nerdy people.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, 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"ratings": { "version": 5, "overall": { "rating": 1890.2264282755775, "deviation": 64.62222469760405, "volatility": 0.06006546772816851 } }, "ranking": 29.656391803193504, "professional": false, "ui_class": "" }, "description": "コロナで対面対局が難しくなって、ネット対局に移行して３年になりました。今後は様子を見ながら「対面」「ネット」の並行開催になるでしょうか。\nエントリーよろしくお願いします。OGSに感謝！", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 609587, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 604800, "initial_time": 604800, "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": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-07-14T23:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-07-14T23:00:47.855648Z", "ended": "2023-07-29T14:28:37.144289Z", "start_waiting": "2023-07-14T23:00:47.582467Z", "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": 99921, "name": "Live 19x19 Swiss Tournament 2023-02-09 12:30", "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 Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260815T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-15T00:00:29.401015Z", "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": "2026-08-15T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "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": "2023-02-09T12:30:01.117215Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-02-09T12:30:02.528211Z", "ended": "2023-02-09T13:51:29.053082Z", "start_waiting": "2023-02-09T12:30:02.332044Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true } ] }
