Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4274
{ "count": 60627, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4275", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4273", "results": [ { "id": 98981, "name": "Live 19x19 Swiss Tournament 2023-01-15 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:20260814T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-14T20:00:29.395527Z", "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": "2026-08-15T00:00:00Z", "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": "2023-01-15T12:30:55.830394Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-01-15T12:30:57.440727Z", "ended": "2023-01-15T14:36:50.632392Z", "start_waiting": "2023-01-15T12:30:57.262806Z", "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": 108890, "name": "Kari fsmidzbmd", "director": { "id": 1445427, "username": "Help me Im in twubble", "country": "us", "icon": "https://user-uploads.online-go.com/27ba81a8448b6bd19bedba107f6a3791-64.png", "ratings": { "version": 5, "overall": { "rating": 1188.815755117454, "deviation": 79.05971879652472, "volatility": 0.05997281945958606 } }, "ranking": 18.92083447722264, "professional": false, "ui_class": "" }, "description": "Kim sf", "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": 13679, "name": "Susquenita Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://user-uploads.online-go.com/9eb90bc4857244bc3e03c8109370de59-64.png" }, "auto_start_on_max": false, "time_start": "2023-10-26T14:50:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-26T14:50:37.022799Z", "ended": "2023-10-26T14:50:37.003631Z", "start_waiting": "2023-10-26T14:50:36.527821Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9eb90bc4857244bc3e03c8109370de59-15.png", "player_count": 1, "ranked": true }, { "id": 1221, "name": "The Ministry of Silly Moves, pt 2", "director": { "id": 28201, "username": "ives", "country": "be", "icon": "https://user-uploads.online-go.com/2df5a4fce101e15270c1e6f9a7cf37e7-64.png", "ratings": { "version": 5, "overall": { "rating": 1683.7896052617307, "deviation": 63.11433111755294, "volatility": 0.05985598310227053 } }, "ranking": 26.97910229701918, "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": 259200, "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": 387, "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": 19, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2010-10-13T16:38:37Z", "ended": "2010-10-13T14:38:37Z", "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": 142428, "name": "Beat The Kyu Be A Dan 2027", "director": { "id": 281554, "username": "TYDC", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/bbd482f273f613d97a246c2d297b822c-64.png", "ratings": { "version": 5, "overall": { "rating": 1708.1151218088119, "deviation": 62.60492132441316, "volatility": 0.059933247626227676 } }, "ranking": 27.31115487994905, "professional": false, "ui_class": "" }, "description": "The 2027 tournament is open now.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 26387, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 21600, "initial_time": 604800, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14250, "name": "Beat The Kyu Be A Dan", "summary": "<table cellpadding=\"15\" style=\"border-spacing: 15px; text-align: left;\">\n <thead>\n <tr>\n <th style=\"padding-right: 20px;\">Year</th>\n <th style=\"padding-right: 20px;\">Tournament</th>\n <th style=\"padding-right: 20px", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 159, "icon": "https://user-uploads.online-go.com/9fcb293bae1556512429d98bacd4d18b-64.png" }, "auto_start_on_max": true, "time_start": "2026-12-31T18:00:00Z", "players_start": 1000, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9fcb293bae1556512429d98bacd4d18b-15.png", "player_count": 20, "ranked": true }, { "id": 36058, "name": "Crown of Slugs", "director": { "id": 351937, "username": "barney.stratford", "country": "ua", "icon": "https://user-uploads.online-go.com/57d0bac0bf226860c2d861eab72ea31f-64.png", "ratings": { "version": 5, "overall": { "rating": 1294.559769166008, "deviation": 66.3003117798745, "volatility": 0.06002866316646163 } }, "ranking": 20.893516420687295, "professional": false, "ui_class": "" }, "description": "Leeches like slugs, so the prize, kindly donated by GoldAndAppel, is a crown made of stapled-together slugs.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1918, "name": "League of Leeches🐌🐍", "summary": "https://online-go.com/game/9051373", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-64.png" }, "auto_start_on_max": false, "time_start": "2018-04-04T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-04-04T22:00:34.748138Z", "ended": "2018-09-23T17:14:37.286008Z", "start_waiting": "2018-04-04T22:00:34.306342Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-15.png", "player_count": 4, "ranked": true }, { "id": 40313, "name": "Live 19x19 Swiss Tournament 2018-08-26 16:30", "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:20260814T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-14T20:00:29.395527Z", "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": "2026-08-15T00:00:00Z", "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": "2018-08-26T16:30:54.186806Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-08-26T16:31:56.686672Z", "ended": "2018-08-26T19:10:36.286775Z", "start_waiting": "2018-08-26T16:31:56.229719Z", "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": 39427, "name": "TAKE YOUR TIME!!!", "director": { "id": 535251, "username": "annazhou", "country": "us", "icon": "https://secure.gravatar.com/avatar/0af132198d07691a4ebfff8c0655d752?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1304.999586770673, "deviation": 66.48143908586222, "volatility": 0.06022716826971187 } }, "ranking": 21.07945799290592, "professional": false, "ui_class": "" }, "description": "TAKE YOUR TIME!!!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "aga", "time_per_move": 2446080, "time_control_parameters": { "period_time": 2419200, "main_time": 2419200, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 300, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "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": 3683, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-12-31T17:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-08-26T18:22:05.732250Z", "ended": null, "start_waiting": "2018-08-26T18:22:05.002847Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 14, "ranked": true }, { "id": 36291, "name": "Correspondence 19x19 RoundRobin 2018-04-13 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:20260813T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-13T19:00:29.361987Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-08-16T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-04-13T01:00:29.774307Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-04-13T01:00:58.096231Z", "ended": "2018-08-12T10:31:24.905976Z", "start_waiting": "2018-04-13T01:00:56.347505Z", "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": 82255, "name": "Correspondence Weekly McMahon 19x19 2021-11-13 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260810T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-08-10T17:00:29.126314Z", "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": "2026-08-17T17:00:00Z", "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": "2021-11-13T17:00:23.385922Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-13T17:01:16.015164Z", "ended": "2023-06-06T07:23:10.010947Z", "start_waiting": "2021-11-13T17:01:11.295355Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 53, "ranked": true }, { "id": 1222, "name": "Show of your Skills", "director": { "id": 31909, "username": "Hakira", "country": "un", "icon": "https://secure.gravatar.com/avatar/b1194673b88d3db93f9b1ad7680009df?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1202.549838688723, "deviation": 71.00113888088329, "volatility": 0.05997508202971996 } }, "ranking": 19.186747419425394, "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": 432000, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 387, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-01-01T15:27:33Z", "ended": "2011-01-01T14:27:33Z", "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 } ] }
