Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4210
{ "count": 59227, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4211", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4209", "results": [ { "id": 29009, "name": "July Go Monthly", "director": { "id": 458762, "username": "arcosg", "country": "un", "icon": "https://secure.gravatar.com/avatar/1180be4614701aaff8ed8648fb71b166?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1194.82413193423, "deviation": 63.141111802723564, "volatility": 0.060040864805072494 } }, "ranking": 19.03754188647216, "professional": false, "ui_class": "" }, "description": "Primer torneo oficial del GX Go Club.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1698, "name": "GeneXus", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/0b9ff06cdf52240f30ae0ee4cde431bb-64.png" }, "auto_start_on_max": false, "time_start": "2017-07-31T20:00:00Z", "players_start": 0, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2017-07-31T20:00:36.724558Z", "ended": "2018-03-19T21:03:42.829770Z", "start_waiting": "2017-07-31T20:00:36.529677Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0b9ff06cdf52240f30ae0ee4cde431bb-15.png", "player_count": 1, "ranked": true }, { "id": 95126, "name": "Correspondence 9x9 RoundRobin 2022-09-30 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:20260402T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-02T19:00:15.771573Z", "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": "2026-04-05T19:00:00Z", "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": "2022-09-30T19:00:01.436663Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-30T19:01:02.286655Z", "ended": "2022-11-09T07:32:07.969693Z", "start_waiting": "2022-09-30T19:01:01.468846Z", "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": 127349, "name": "9x9 Mini League 1k-9k #142", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.2325960910043, "deviation": 68.25218422705018, "volatility": 0.06020103685150074 } }, "ranking": 21.418151631775086, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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true, "group": null, "auto_start_on_max": false, "time_start": "2016-10-30T01:00:23.279868Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-10-30T01:00:44.938382Z", "ended": "2016-11-10T01:55:46.420632Z", "start_waiting": "2016-10-30T01:00:42.958455Z", "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 }, { "id": 88916, "name": "Pepper55,Paichan,Bgs kenjaaay009 tournament time", "director": { "id": 744082, "username": "Pepper t", "country": "th", "icon": "https://user-uploads.online-go.com/d7c28e651170e752c286405f18d93101-64.png", "ratings": { "version": 5, "overall": { "rating": 1435.824847569376, "deviation": 73.81561708774744, "volatility": 0.060009157171145265 } }, "ranking": 23.29113414011918, "professional": false, "ui_class": "" }, 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"2022-04-22T08:00:25.542518Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2c37d8e97b38c6c77ceb7acac3157270-15.png", "player_count": 3, "ranked": true }, { "id": 21994, "name": "Kobarid November 2016", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 790.2994072178445, "deviation": 64.66815139504368, "volatility": 0.05991724621983771 } }, "ranking": 9.46866501470618, "professional": false, "ui_class": "" }, "description": "Live 13x13", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "korean", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 374, "name": "Slovenija", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 54, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png" }, "auto_start_on_max": false, "time_start": "2016-11-05T19:05:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2016-11-07T05:29:10.174876Z", "ended": "2016-11-07T05:29:10.160267Z", "start_waiting": "2016-11-07T05:29:10.112318Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 7, "ranked": true }, { "id": 127113, "name": "[2nd Match] CipherSMC x Sokhengnuon12", "director": { "id": 934496, "username": "socheatbybit", "country": "kh", "icon": "https://secure.gravatar.com/avatar/7912a4516abc35720b1aaf14e3c15e29?s=64&d=retro", "ratings": { "version": 5, "overall": { 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