Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1257
{ "count": 60677, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1258", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1256", "results": [ { "id": 26338, "name": "Weekend tournament,", "director": { "id": 281554, "username": "TYDC", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/bbd482f273f613d97a246c2d297b822c-64.png", "ratings": { "version": 5, "overall": { "rating": 1730.4318677076847, "deviation": 62.377375739591585, "volatility": 0.0599334444991267 } }, "ranking": 27.61165385421444, "professional": false, "ui_class": "" }, "description": ":)tournament đầu tiên của group này,", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 22560, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 21600, 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"player_count": 4, "ranked": true }, { "id": 4534, "name": "第一回如月戦", "director": { "id": 121447, "username": "redacted-", "country": "_ASEAN", "icon": "https://user-uploads.online-go.com/11b092863bce59e0ec221e2b7aa4d729-64.png", "ratings": { "version": 5, "overall": { "rating": 1955.8889149060858, "deviation": 98.76391721431955, "volatility": 0.06000316187061695 } }, "ranking": 30.44692154082555, "professional": false, "ui_class": "" }, "description": "Yearly tournament.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 86440, "time_control_parameters": { "time_control": "byoyomi", "period_time": 86400, "main_time": 3600, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 518, "name": "Warriors of Kadoorie Hill", "summary": "Welcome all families and friends of DBS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, 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"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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260801T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-08-01T17:00:16.510180Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-09-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "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": "2016-03-16T17:00:23.635243Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-03-16T17:00:53.052700Z", "ended": "2017-12-01T13:51:50.322800Z", "start_waiting": "2016-03-16T17:00:39.486456Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 153, "ranked": true }, { "id": 26323, "name": "Correspondence 19x19 RoundRobin 2017-04-15 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260816T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-16T19:00:29.661192Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-04-15T01:01:18.933604Z", "ended": "2017-11-14T23:40:24.423039Z", "start_waiting": "2017-04-15T01:01:15.933279Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 110385, "name": "สาระRA!Ls Tour ครั้งที่ 63", "director": { "id": 463304, "username": "Jim GWW", "country": "th", "icon": "https://user-uploads.online-go.com/8112ea51fdc115e074a1943fedb03ac7-64.png", "ratings": { "version": 5, "overall": { "rating": 1660.3410157587039, "deviation": 63.88128880431576, "volatility": 0.059631156299052086 } }, "ranking": 26.65444766766479, "professional": false, "ui_class": "" }, "description": "This is not Othello!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2571, "name": "Go World Wide", "summary": "enjoy", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 90, "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png" }, "auto_start_on_max": false, "time_start": "2023-12-13T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 24, "max_ranking": 33, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-09T05:45:58.102797Z", "ended": "2024-01-05T21:35:00.616376Z", "start_waiting": "2023-12-09T05:45:57.523856Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png", "player_count": 10, "ranked": true }, { "id": 27119, "name": 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GO! GO!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "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": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3685, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-01-12T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-11T18:08:14.268694Z", "ended": "2024-03-28T19:59:17.846468Z", "start_waiting": "2023-01-11T18:08:14.088295Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true }, { "id": 26771, "name": "Live 19x19 Swiss Tournament 2017-05-02 04:30", "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:20260817T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-17T20:00:29.616021Z", "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": "2026-08-18T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "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": "2017-05-02T04:30:40.939891Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-05-02T04:31:43.530014Z", "ended": "2017-05-02T06:31:27.398380Z", "start_waiting": "2017-05-02T04:31:43.164650Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true } ] }
