Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5603
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5604", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5602", "results": [ { "id": 1992, "name": "RaikB's mini-tournament", "director": { "id": 20675, "username": "RaikB", "country": "de", "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1780.665751010124, "deviation": 65.40966971956041, "volatility": 0.0596596409427389 } }, "ranking": 28.274121197571755, "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": 14, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2012-11-12T23:14:40Z", "ended": "2012-11-12T22:14:40Z", "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": 3352, "name": "12k-8k", "director": { "id": 84536, "username": "milo622", "country": "co", "icon": "https://user-uploads.online-go.com/7077830ca37826211efcc990439b3db9-64.png", "ratings": { "version": 5, "overall": { "rating": 1550.8397903076873, "deviation": 61.85750368021896, "volatility": 0.059947037540241284 } }, "ranking": 25.07500585850708, "professional": false, "ui_class": "" }, "description": "jugadores entre 12k y 8k", "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": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 283, "name": "Colombia", "summary": "Bienvenidos", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 150, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 18, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2014-11-16T21:20:26.382324Z", "ended": "2016-01-04T21:49:55.227878Z", "start_waiting": "2014-11-16T21:20:25.801701Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-15.png", "player_count": 0, "ranked": true }, { "id": 549, "name": "help you get rating 5", "director": { "id": 20502, "username": "nobush", "country": "cn", "icon": "https://user-uploads.online-go.com/d0c558f672e167a609363bda95da4150-64.png", "ratings": { "version": 5, "overall": { "rating": 1380.7380924623656, "deviation": 63.98287706543999, "volatility": 0.060673101152357994 } }, "ranking": 22.3854763936745, "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": "simple", "per_move": 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": 0, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2008-08-19T20:53:18Z", "ended": "2008-08-19T18:53:18Z", "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": 134108, "name": "Cリーグ（11k-8k）", "director": { "id": 874208, "username": "FUKO.S", "country": "jp", "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png", "ratings": { "version": 5, "overall": { "rating": 2208.151542128061, "deviation": 68.94747429756583, "volatility": 0.06003767154281009 } }, "ranking": 33.25527075653788, "professional": false, "ui_class": "supporter" }, "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7692, "name": "Yushima Go Cafe （湯島囲碁喫茶）", "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png" }, "auto_start_on_max": false, "time_start": "2025-11-14T10:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 19, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "group", "started": "2025-11-14T10:00:06.264015Z", "ended": "2025-12-08T23:44:32.278608Z", "start_waiting": "2025-11-14T10:00:06.175509Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png", "player_count": 4, "ranked": true }, { "id": 140330, "name": "19x19 Brasil Open - DDK -> SDK - 2026.06", "director": { "id": 1023050, "username": "allan-silva", "country": "br", "icon": "https://user-uploads.online-go.com/fe8e1d6e531935742531e8a434de2723-64.png", "ratings": { "version": 5, "overall": { "rating": 1154.736808780899, "deviation": 64.52591758853175, "volatility": 0.0599166793130999 } }, "ranking": 18.247512073365165, "professional": false, "ui_class": "" }, "description": "19x19 Brasil Open - Handicap - 2026.05\n\nBrasil Open é um torneio criado por um jogador brasileiro e aberto para qualquer pessoa.\n\nDDK -> SDK é um torneio para pessoas com ranking parecido, tentando evoluir para SDK.\n\n__\n\nBrasil Open is a tournament created by a Brazilian player and is open to everyone around the world.\n\nDDK -> SDK is a tournament for players with similar ranks who are trying to advance to SDK.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16436, "name": "BR Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-64.png" }, "auto_start_on_max": true, "time_start": "2026-06-30T12:00:00Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 18, "max_ranking": 22, "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/684691fc56f7b159a5119a8e17398dab-15.png", "player_count": 12, "ranked": true }, { "id": 39979, "name": "Lions second tournament", "director": { "id": 557899, "username": "🦁 Lvicala 🦁", "country": "cz", "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png", "ratings": { "version": 5, "overall": { "rating": 1215.5307681865688, "deviation": 63.83387610820817, "volatility": 0.060058613626475424 } }, "ranking": 19.435301089469824, "professional": false, "ui_class": "" }, "description": "for everybody. Have fun", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2988, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2018-08-17T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2018-08-17T23:00:45.431778Z", "ended": "2019-01-15T17:57:46.832888Z", "start_waiting": "2018-08-17T23:00:45.054395Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 9, "ranked": true }, { "id": 11304, "name": "19x19 Correspondence Double Elimination", "director": { "id": 73549, "username": "gw71", "country": "ca", "icon": "https://user-uploads.online-go.com/32b43d491313439c8ebd3edc1d8e5af2-64.png", "ratings": { "version": 5, "overall": { "rating": 1764.908934271022, "deviation": 65.39020998674364, "volatility": 0.059934975229578163 } }, "ranking": 28.068358949528502, "professional": false, "ui_class": "" }, "description": "Just making one for fun and learning purposes. No handicaps. Fischer 2d + 12h up to 3d so approximately 2 moves per day are required.\n\nTournament is now closed for registration. 96 players in total! Thanks to all who joined. Have fun everyone!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 45120, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 43200 }, "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": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2015-11-01T20:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 2, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "invite", "started": "2015-11-01T20:00:15.911086Z", "ended": "2017-07-23T01:53:40.473608Z", "start_waiting": "2015-11-01T20:00:14.505891Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 96, "ranked": true }, { "id": 1018, "name": "Fragnix's Musing Meetings - Tempting Thirteen", "director": { "id": 27708, "username": "fragnix", "country": "de", "icon": "https://user-uploads.online-go.com/f923149275abc4f0c8a031e8a9f991db-64.png", "ratings": { "version": 5, "overall": { "rating": 1288.262978420763, "deviation": 62.03911131299328, "volatility": 0.0599600014565973 } }, "ranking": 20.780639147409133, "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": 9, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2010-02-23T15:14:03Z", "ended": "2010-02-23T14:14:03Z", "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 }, { "id": 16161, "name": "Fun4None: Spring Fling", "director": { "id": 212873, "username": "fukuroku", "country": "us", "icon": "https://user-uploads.online-go.com/162c0aa075b9def541393be5f6ccf933-64.png", "ratings": { "version": 5, "overall": { "rating": 1492.905583931083, "deviation": 61.16380182503525, "volatility": 0.059971623723761164 } }, "ranking": 24.19363195114248, "professional": false, "ui_class": "" }, "description": "This is a Swiss tournament with slide pairing and correspondence timing (max: 3 days). All games will be played even. \n\nIdeally, we will review games and learn from this tournament.\n\nHave fun!", "schedule": null, "title": null, "tournament_type": "swiss", "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": false, "group": { "id": 1027, "name": "Fun4None", "summary": "Friends helping friends improve.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/fbfb163afe1d657bc36fe1c9bd1c453e-64.png" }, "auto_start_on_max": false, "time_start": "2016-04-01T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 15, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "group", "started": "2016-03-31T02:57:02.425446Z", "ended": "2017-04-20T08:37:29.910742Z", "start_waiting": "2016-03-31T02:57:02.253161Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fbfb163afe1d657bc36fe1c9bd1c453e-15.png", "player_count": 9, "ranked": true }, { "id": 810, "name": "ahl7's mini-tournament pain beurre 2", "director": { "id": 15292, "username": "ahl7", "country": "fr", "icon": "https://secure.gravatar.com/avatar/52fc7d6520429bd9e30da385255280a7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1876.5425684918052, "deviation": 63.665159155193635, "volatility": 0.05995996515552524 } }, "ranking": 29.488193143912113, "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": 432000, "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": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2009-06-23T16:11:13Z", "ended": "2009-06-23T14:11:13Z", "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 } ] }
