Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=538
{ "count": 60292, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=539", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=537", "results": [ { "id": 2782, "name": "Sitewide February 2014 SDK Round Robin", "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": "Join us for a 19x19 No Handicap Round Robin starting in February. SDKs only", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88320, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2014-02-04T04:34:32.080790Z", "ended": "2014-09-01T20:54:12.132688Z", "start_waiting": "2014-02-04T04:34:30.044383Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 0, "ranked": true }, { "id": 123085, "name": "13x13 New Zealand 15k-1k League #9", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "15k-1k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "time_per_move": 90782, "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-02-18T04:14:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-23T17:57:47.250849Z", "ended": "2025-04-17T11:53:52.622283Z", "start_waiting": "2025-02-23T17:57:47.084598Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 3393, "name": "Reddit Round Robin - Handicap - 10k - 1k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1217.6580517683942, "deviation": 63.36548961164081, "volatility": 0.05957163607496963 } }, "ranking": 19.475780173594163, "professional": false, "ui_class": "" }, "description": "Round Robin Tournament, 10 players max, 10k - 1k", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2287, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2014-11-14T11:58:26.050334Z", "ended": "2015-03-25T06:00:04.913489Z", "start_waiting": "2014-11-14T11:58:23.357692Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 0, "ranked": true }, { "id": 3396, "name": "Reddit Round Robin #2 - Handicap - 10k - 1k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1217.6580517683942, "deviation": 63.36548961164081, "volatility": 0.05957163607496963 } }, "ranking": 19.475780173594163, "professional": false, "ui_class": "" }, "description": "Round Robin Tournament, 10 players max, 10k - 1k", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 92160, "time_control_parameters": { "time_control": "fischer", "initial_time": 518400, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2287, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2014-11-16T13:02:08.834937Z", "ended": "2015-05-06T16:03:36.016798Z", "start_waiting": "2014-11-16T13:02:06.086489Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 0, "ranked": true }, { "id": 1035, "name": "9x9 Mini-Cup (1)", "director": { "id": 27899, "username": "Negi", "country": "nl", "icon": "https://secure.gravatar.com/avatar/916fa5678c1a97da52babf181124c8eb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1692.53512741016, "deviation": 63.64944105690529, "volatility": 0.059966307430087636 } }, "ranking": 27.099031099228636, "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": 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": 385, "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": 8, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2010-01-22T07:24:11Z", "ended": "2010-01-22T06:24:11Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 136125, "name": "ROAD to DAN_2nd Q-round", "director": { "id": 1864146, "username": "컬리타임", "country": "us", "icon": "https://secure.gravatar.com/avatar/911e6202829231fef8fc97edf966f6bd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1735.26343098402, "deviation": 69.76803472998003, "volatility": 0.05997067351370266 } }, "ranking": 27.67620122648444, "professional": false, "ui_class": "" }, "description": "This tournament is for players who want to play FAST CORRESPONDENCE.\n\nDouble Elimination for 15k~1k\n\nStart Time: 1 day\n\nIncrements Time (Ficher): 6 hours\n\nMax. Time: 3 days\n\nBE CAREFUL about the time settings.\n\nNo pause and No vacation, anyone who turns on the vacation mode or pauses a game, will be disqualified. (If you notice a player violating the above rules, please notify the tournament administrator.)\n\nPlease send a messege to <a href=\"https://online-go.com/user/view/1864146\" target=\"_blank\">컬리타임 or </a> <a href=\"https://online-go.com/player/1776211/\" target=\"_blank\">MAESTRO of BADUK </a> if you find that anyone or your opponent pauses or turns vacation mode on.\n\n-----\nRestricted Rank: 1k\n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to Dec 1. 2025)\n\n*****\nDuplicate Participate Possible:\n\nYou can join more than one qualifier without any problem. If you earn multiple spots in the main tournament, you’ll keep one seed, and the remaining one(s) will go to the next eligible player in the qualifier.\n\n*****\nQualify Round Participant:\n\nIf there are 16 or fewer players, the top two players will advance to the finals.\nAlso, If there are 16 to 32 players, the top 4 players will advance to the finals.\n*****\nFeel free to give tips to your opponent after the game. It could be how we can improve Baduk/Go.\n\nDo not use AI\n\n-----\n<a href=\"https://online-go.com/tournament/135235\" target=\"_blank\">1st Q-round: in progress </a>", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "korean", "time_per_move": 22284, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 21600, "initial_time": 86400, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15815, "name": "RollingStones : Global & 한국인", "summary": "한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 82, "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-21T09:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "random", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-21T04:43:23.604611Z", "ended": "2026-04-27T10:04:26.404283Z", "start_waiting": "2026-01-21T04:43:23.225344Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png", "player_count": 27, "ranked": true }, { "id": 1043, "name": "The Ministry of Silly Moves", "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": 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": 385, "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": 17, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2010-03-24T10:50:41Z", "ended": "2010-03-24T09:50:41Z", "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": 2575, "name": "Fast Blast SDK", "director": { "id": 55, "username": "RoadHobo", "country": "_Pirate", "icon": "https://secure.gravatar.com/avatar/e55cc679f2b9a76927782680058168ed?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1387.3991114591252, "deviation": 74.83343692369397, "volatility": 0.060064431794117246 } }, "ranking": 22.49688914242659, "professional": false, "ui_class": "" }, "description": "2 week absolute time, round robin for 5 SDK players. Will commence first Monday after all players have joined.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 13440, "time_control_parameters": { "total_time": 1209600, "time_control": "absolute" }, "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": 18057, "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": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2013-10-23T17:37:53.509995Z", "ended": "2013-11-29T17:01:30.654556Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 25571, "name": "Sochi 03/2017", "director": { "id": 94239, "username": "Tranquil", "country": "ru", "icon": "https://user-uploads.online-go.com/f47b0eccaf470cc69e0ffb7e08510237-64.png", "ratings": { "version": 5, "overall": { "rating": 1295.6672262575785, "deviation": 61.32951556133341, "volatility": 0.05971271463207539 } }, "ranking": 20.91331208591459, "professional": false, "ui_class": "" }, "description": "Турнир для всех.", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 904, "name": "Sochi", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/c92c1c242ab9cb3d4a090255ebad1f0e-64.png" }, "auto_start_on_max": true, "time_start": "2017-04-07T18:00:00Z", "players_start": 20, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2017-04-07T19:05:44.123904Z", "ended": "2019-02-25T02:12:33.632140Z", "start_waiting": "2017-04-07T19:05:15.918021Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c92c1c242ab9cb3d4a090255ebad1f0e-15.png", "player_count": 33, "ranked": true }, { "id": 1058, "name": "minio-tournamento", "director": { "id": 11442, "username": "fengitreon", "country": "mx", "icon": "https://secure.gravatar.com/avatar/1bc2e8ec94197be28cf0c2b6f5afec0a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1959.1383694891624, "deviation": 64.10144618429462, "volatility": 0.059987160039136046 } }, "ranking": 30.485350336033186, "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": 385, "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": 21, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2010-02-11T05:51:17Z", "ended": "2010-02-11T04:51:17Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }
