Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1531
{ "count": 58930, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1532", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1530", "results": [ { "id": 120121, "name": "Handicap Arena 2024 - 063", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "Part of an arena tournament. 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"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 788.4782417507043, "deviation": 64.76496024965462, "volatility": 0.0599203180748189 } }, "ranking": 9.415256608156199, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 31, "name": "Český pokoj", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 49, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-01-21T16:00:00Z", "players_start": 2, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 14, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-21T16:00:07.157012Z", "ended": "2021-05-14T11:38:47.646679Z", "start_waiting": "2021-01-21T16:00:07.015342Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 29914, "name": "Correspondence 9x9 RoundRobin 2017-09-02 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260309T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-09T19:00:39.449135Z", "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": "2026-03-12T19:00:00Z", "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": "2017-09-02T01:00:47.381827Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-09-02T01:01:14.704173Z", "ended": "2017-09-26T00:22:37.000644Z", "start_waiting": "2017-09-02T01:01:13.574576Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 78590, "name": "Primeros pasos", "director": { "id": 872553, "username": "chinchoporoto", "country": "un", "icon": "https://user-uploads.online-go.com/cb9798174e2b7e76cee3ae3aed48ba6f-64.png", "ratings": { "version": 5, "overall": { "rating": 1131.7531947745783, "deviation": 61.93736183736226, "volatility": 0.05995154141798198 } }, "ranking": 17.782092513394375, "professional": false, "ui_class": "" }, "description": "Encuentro amistoso", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 600, "max_time": 600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9792, "name": "Go Go Go!", "summary": "Club de Go virtual con Manuel y Marcos", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 17, "icon": "https://user-uploads.online-go.com/da2bfb3328edc47d6621c343f3a43a6e-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-08T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-08-08T23:00:37.466659Z", "ended": "2021-08-08T23:37:28.439073Z", "start_waiting": "2021-08-08T23:00:37.262409Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/da2bfb3328edc47d6621c343f3a43a6e-15.png", "player_count": 7, "ranked": true }, { "id": 100894, "name": "Spring Tourney", "director": { "id": 386153, "username": "theTick", "country": "us", "icon": "https://user-uploads.online-go.com/9bd0d6c37860938293175de82147eb39-64.png", "ratings": { "version": 5, "overall": { "rating": 1599.7642736599826, "deviation": 62.665509394211476, "volatility": 0.06000547581534435 } }, "ranking": 25.79403802972745, "professional": false, "ui_class": "supporter" }, "description": "Testing out the club tournament feature. No prizes, only bragging rights.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 12946, "name": "North Puget Sound Go Club", "summary": "Virtual clubhouse.\n\nWe also meet in person, find details at our main website https://baduk.club/club/npsgo", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/20ef4e9e3712fed275a3f3cd1d7474de-64.png" }, "auto_start_on_max": true, "time_start": "2023-03-09T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, 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"2015-02-20T05:56:18.340749Z", "last_run": "2026-03-09T19:00:39.449135Z", "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": "2026-03-12T19:00:00Z", "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": "2016-05-13T01:00:58.703162Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-13T01:01:19.051628Z", "ended": "2016-08-25T11:49:43.004452Z", "start_waiting": "2016-05-13T01:01:18.028439Z", "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": 30594, "name": "join maar gwn", "director": { "id": 473005, "username": "Gwappa", "country": "_GoT_Tyrell", "icon": "https://user-uploads.online-go.com/71b24e9350d4d0b0d2cb2285f0a6bd96-64.png", "ratings": { "version": 5, "overall": { "rating": 1072.5421398082228, "deviation": 179.33480194658736, "volatility": 0.06000108699486219 } }, "ranking": 16.538097910403668, "professional": false, "ui_class": "provisional" }, "description": "is gwn koel", 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"subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-09T19:00:09.698637Z", "ended": "2021-02-05T05:26:30.539969Z", "start_waiting": "2020-10-09T19:00:06.839335Z", "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 } ] }