Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=3880
{ "count": 59455, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=3881", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=3879", "results": [ { "id": 80313, "name": "Písek open 2021", "director": { "id": 938281, "username": "lalca", "country": "cz", "icon": "https://user-uploads.online-go.com/68fb7ce9de99ede0203d1aff91b0a501-64.png", "ratings": { "version": 5, "overall": { "rating": 1088.7289737720073, "deviation": 64.52897514688323, "volatility": 0.059746365061945396 } }, "ranking": 16.88486811482263, "professional": false, "ui_class": "" }, "description": "Písecký turnaj nejen pro hráče z Písku.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8367, "name": "Go klub Písek", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/2a6b5b6f74b19a2472d3d12151c82f6f-64.png" }, "auto_start_on_max": true, "time_start": "2021-09-19T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-20T21:22:59.058166Z", "ended": "2022-11-12T21:19:33.125873Z", "start_waiting": "2021-09-20T21:22:58.959318Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2a6b5b6f74b19a2472d3d12151c82f6f-15.png", "player_count": 5, "ranked": true }, { "id": 88723, "name": "Correspondence 19x19 RoundRobin 2022-04-16 19:00", "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:20260424T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-24T19:00:17.553063Z", "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": "2026-04-27T19:00:00Z", "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": "2022-04-16T19:00:32.551899Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-16T19:00:36.871184Z", "ended": "2022-07-13T16:28:53.862079Z", "start_waiting": "2022-04-16T19:00:36.347496Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 90727, "name": "Bリーグ（7級～3級）", "director": { "id": 776731, "username": "AYAMI.S", "country": "un", "icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png", "ratings": { "version": 5, "overall": { "rating": 2135.391155460219, "deviation": 62.434741307036, "volatility": 0.05997799478924156 } }, "ranking": 32.47960874599521, "professional": false, "ui_class": "" }, "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\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 20160, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1814400 }, "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": "2022-06-09T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 23, "max_ranking": 27, "analysis_enabled": true, "exclusivity": "group", "started": "2022-06-09T11:00:19.647661Z", "ended": "2022-07-18T11:56:55.623363Z", "start_waiting": "2022-06-09T11:00:19.553267Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png", "player_count": 4, "ranked": true }, { "id": 93595, "name": "Blitz 19x19 Elimination Tournament 2022-08-17 01:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260424T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-24T21:00:17.243832Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-25T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-08-17T01:30:57.151728Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-08-17T01:30:58.557668Z", "ended": "2022-08-17T01:40:30.747856Z", "start_waiting": "2022-08-17T01:30:58.404421Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 1520, "name": "First Summer Polish Open Mini-Tournament", "director": { "id": 31684, "username": "johnkelly", "country": "pl", "icon": "https://secure.gravatar.com/avatar/64843f96a2c892964306d188a25753f3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1365.259772629646, "deviation": 67.77574780025066, "volatility": 0.05987752699667684 } }, "ranking": 22.124495200892813, "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": 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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-09-17T14:29:08Z", "ended": "2011-09-17T12:29:08Z", "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": 49323, "name": "hahahaha", "director": { "id": 651846, "username": "fbgfgthvy", "country": "sg", "icon": "https://secure.gravatar.com/avatar/6625f6f162563d4bcdd8a17f762c895d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1536.4592089626378, "deviation": 160.76890035695322, "volatility": 0.06000471282744156 } }, "ranking": 24.85933975947093, "professional": false, "ui_class": "provisional" }, "description": "hahaha", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3704, "name": "lions roar", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 62, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-06-14T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-06-29T07:32:07.875073Z", "ended": "2019-06-29T07:42:31.700781Z", "start_waiting": "2019-06-29T07:32:07.410855Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 127375, "name": "What are your shoes?", "director": { "id": 1755693, "username": "deleted-936fec46-c9ee-4e2c-a8c0-85c2545604b0", "country": "zz", "icon": "https://user-uploads.online-go.com/f942bcc602daa3fafb0a529ff17c90ab-64.png", "ratings": { "version": 5, "overall": { "rating": 854.4389558780679, "deviation": 78.30659344438284, "volatility": 0.0599715364808262 } }, "ranking": 11.27513339688449, "professional": false, "ui_class": "" }, "description": "What are your shoes?", "schedule": null, "title": null, "tournament_type": "swiss", "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": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15243, "name": "ABC Mart", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/91c47a835f8b956683cd88918df7ad53-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-17T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-12T11:43:25.714529Z", "ended": null, "start_waiting": "2025-04-12T11:43:25.356044Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/91c47a835f8b956683cd88918df7ad53-15.png", "player_count": 20, "ranked": true }, { "id": 47866, "name": "Fast Correspondence 19x19", "director": { "id": 500139, "username": "gh5l84h", "country": "_DOOP", "icon": "https://secure.gravatar.com/avatar/2e5f872d227bf93bdb1624fa4c1e3976?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1140.2979072724927, "deviation": 67.13447825800085, "volatility": 0.060012185208768054 } }, "ranking": 17.956218022046897, "professional": false, "ui_class": "" }, "description": "A little tournament, since there aren't any active. I highly urge you to analyse the games together :) Good luck!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 87840, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 129600, "max_time": 129600, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2283, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": false, "time_start": "2019-05-04T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-05T18:56:47.992533Z", "ended": "2019-05-23T17:34:51.130946Z", "start_waiting": "2019-05-05T18:56:46.769755Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 4, "ranked": true }, { "id": 47915, "name": "ZFHZFHNGK,XKCXGC", "director": { "id": 622106, "username": "huang0920", "country": "ca", "icon": "https://secure.gravatar.com/avatar/759d851687d745fdf8387c588496cd14?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1484.4228823574178, "deviation": 66.3799142177467, "volatility": 0.06000194757550899 } }, "ranking": 24.06171834133816, "professional": false, "ui_class": "" }, "description": "rtTGRGAGFHA", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 120, "max_time": 120, "time_increment": 10, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 3516, "name": "Game Of Stones", "summary": "This group is no longer operated.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 143, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png" }, "auto_start_on_max": false, "time_start": "2019-05-09T16:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-09T16:00:30.221108Z", "ended": "2019-05-09T16:10:31.520017Z", "start_waiting": "2019-05-09T16:00:29.494916Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png", "player_count": 4, "ranked": true }, { "id": 47872, "name": "MinjuSenju", "director": { "id": 636686, "username": "AbrahamPark", "country": "un", "icon": "https://secure.gravatar.com/avatar/4c778b6324a382693bf5ca3340f4505f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "MinjuSenju", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 3613, "name": "MinjuSenju", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-04-27T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-10T09:43:48.930977Z", "ended": "2019-09-15T13:11:14.004291Z", "start_waiting": "2019-05-10T09:43:48.514974Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
