Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=46
{ "count": 59399, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=47", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=45", "results": [ { "id": 3209, "name": "SWT 9x9 DDK 4th Cycle", "director": { "id": 52052, "username": "ST000MA", "country": "rs", "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1773.7204734712398, "deviation": 64.7543915421217, "volatility": 0.06233350490466346 } }, "ranking": 28.18365079311867, "professional": false, "ui_class": "" }, "description": "For more information see: http://forums.online-go.com/t/swt-tournaments/860.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 432000, 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"players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2008-08-03T21:55:41Z", "ended": "2008-08-03T19:55:41Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 138478, "name": "Live 19x19 Swiss Tournament 2026-03-20 16:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260419T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-19T08:00:56.603578Z", "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": "2026-04-19T12:00:00Z", "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": "2026-03-20T16:30:18.903134Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-03-20T16:31:41.790708Z", "ended": "2026-03-20T20:50:48.420216Z", "start_waiting": "2026-03-20T16:31:41.540441Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 3234, "name": "\"Fight Club - Daily 13x13 Rush - Evening 21 CET\"", "director": { "id": 93741, "username": "littletry", "country": "150", "icon": "https://user-uploads.online-go.com/930b18e6eb208c8df33b3eea4e23ceae-64.png", "ratings": { "version": 5, "overall": { "rating": 1911.8998841310188, "deviation": 65.0765344045977, "volatility": 0.059958000313559676 } }, "ranking": 29.920320929399413, "professional": false, "ui_class": "" }, "description": "we start at 19:00 UTC", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 73, "time_control_parameters": { "time_control": "byoyomi", "period_time": 60, "main_time": 1200, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 351, "name": "Fight Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 367, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2014-10-09T19:01:21.771041Z", "ended": "2014-10-09T20:27:15.185008Z", "start_waiting": "2014-10-09T19:01:21.331972Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 0, "ranked": true }, { "id": 461, "name": "ealdent's tournament of boredom erasing", "director": { "id": 5955, "username": "ealdent", "country": "us", "icon": "https://secure.gravatar.com/avatar/90f5b80848b9b787569de9863c7ca32a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1472.0325606226759, "deviation": 65.1586536598795, "volatility": 0.05991657819627239 } }, "ranking": 23.867676771604184, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 604800, "time_control_parameters": { "time_control": "simple", "per_move": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2008-06-21T09:12:25Z", "ended": "2008-06-21T07:12:25Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 460, "name": "Balmung's fun mini tournament", "director": { "id": 2861, "username": "balmung", "country": "us", "icon": "https://secure.gravatar.com/avatar/f4b122d05f15b5a2eb558647db5c74fd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1166.034081277074, "deviation": 69.06167683671619, "volatility": 0.05999340471278894 } }, "ranking": 18.472897461664783, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2008-08-13T11:54:11Z", "ended": "2008-08-13T09:54:11Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 102457, "name": "Shodan Showdown 2023 13x13 Edition", "director": { "id": 1237754, "username": "Dr_Leadfoot", "country": "us", "icon": "https://user-uploads.online-go.com/1455b564ea498d0bf879357d00274182-64.png", "ratings": { "version": 5, "overall": { "rating": 1106.5754695090932, "deviation": 61.349192007624794, "volatility": 0.05999070616979341 } }, "ranking": 17.261267369284024, "professional": false, "ui_class": "" }, "description": "For players close to 1st dan ranking. Small board, fast correspondence. Handicap enabled.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 20450, "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": 12568, "name": "League of Extraordinary Players", "summary": "We play Go!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-06-01T05:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 27, "max_ranking": 31, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-30T03:20:32.402604Z", "ended": "2023-10-09T12:33:33.811985Z", "start_waiting": "2023-08-30T03:20:32.324350Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 106932, "name": "Blitz 13x13 Swiss Tournament 2023-08-29 07:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260419T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-19T07:00:56.596386Z", "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": "2026-04-19T11:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "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": "2023-08-29T07:30:32.429730Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-29T07:31:32.221216Z", "ended": "2023-08-29T08:13:12.691659Z", "start_waiting": "2023-08-29T07:31:32.093904Z", "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": 88243, "name": "Correspondence Weekly McMahon 19x19 2022-04-09 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260413T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-04-13T17:00:09.016442Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-04-20T17:00:00Z", "base_points": "30.0" }, "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": "2022-04-09T17:00:12.461195Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-09T17:00:26.616207Z", "ended": "2023-08-29T03:47:14.626700Z", "start_waiting": "2022-04-09T17:00:24.800094Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 40, "ranked": true }, { "id": 3112, "name": "Four Seasons Tournament Series - Autumn 2014 Low Kju", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "Welcome to Four Seasons Tournament - a correspondence competition for those players, who can't play live tournaments! Our tournament will start at September 1st 2014.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 29760, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 172800, "time_increment": 28800 }, "is_open": true, "exclude_provisional": true, "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": 17904, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 9, "analysis_enabled": true, "exclusivity": "open", "started": "2014-08-31T20:15:49.810104Z", "ended": "2014-10-20T17:40:47.926785Z", "start_waiting": "2014-08-31T20:15:49.608619Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true } ] }
