Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=453
{ "count": 60875, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=454", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=452", "results": [ { "id": 125030, "name": "Handicap Arena 2025 - 009", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1120.93895616314, "deviation": 65.609295800514, "volatility": 0.0600634690220479 } }, "ranking": 17.55982375205437, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-02-06T18:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-06T15:36:01.167360Z", "ended": "2025-06-23T10:41:54.890944Z", "start_waiting": "2025-02-06T15:36:00.502132Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 67033, "name": "Пчелы пошли в зиму.", "director": { "id": 849235, "username": "Bees.Team", "country": "ru", "icon": "https://user-uploads.online-go.com/c265fa1c1a7703f80b39b33fcb711f2d-64.png", "ratings": { "version": 5, "overall": { "rating": 1241.346540924865, "deviation": 63.103430376879594, "volatility": 0.05998183302683275 } }, "ranking": 19.921818778277252, "professional": false, "ui_class": "" }, "description": "Победитель получает приз. Вот такая брошь, бесплатно: https://www.shop.bees.team/ru/glavnaya/71-brosh-pchela-na-sotakh.html (доставка за ваш счет или забираете в Москве)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9, "name": "Русская группа", "summary": "Интересные, призовые турниры.", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1968, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-01T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-11-01T04:00:32.737453Z", "ended": "2021-03-29T04:12:55.605142Z", "start_waiting": "2020-11-01T04:00:31.752939Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png", "player_count": 41, "ranked": true }, { "id": 41349, "name": "Correspondence 19x19 Swiss Tournaments OTAKU", "director": { "id": 569505, "username": "Shana_vermilion", "country": "ph", "icon": "https://user-uploads.online-go.com/56d81b599072cc6d30e93262f8c1a992-64.png", "ratings": { "version": 5, "overall": { "rating": 917.5998480397179, "deviation": 76.64270792021209, "volatility": 0.060002876194754265 } }, "ranking": 12.926106635840204, "professional": false, "ui_class": "" }, "description": "Let's play GO Minna san~ヾ(@^▽^@)ノ", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 179520, "time_control_parameters": { "period_time": 172800, "main_time": 604800, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1136, "name": "Anime~Forever", "summary": "Anime? you like it? great! join!(also for vocaloids, and manga, utau, utaite etc) LEZ ALL HAVE FUNZ TALKIN ABOUT THESE THINGS YEAH *and playing go X) yaaaaaa", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/e21067e8d7d57b6e48a664e1ca456af1-64.png" }, "auto_start_on_max": true, "time_start": "2018-10-05T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-10-05T23:00:07.050564Z", "ended": "2021-03-29T17:32:06.344091Z", "start_waiting": "2018-10-05T23:00:06.045883Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e21067e8d7d57b6e48a664e1ca456af1-15.png", "player_count": 20, "ranked": true }, { "id": 8983, "name": "Correspondence 13x13 RoundRobin 2015-07-11 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260829T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-29T19:00:31.898315Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": 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": "2026-09-01T19:00:00Z", "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, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-07-11T01:00:50.631987Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-07-11T01:01:10.777995Z", "ended": "2015-09-16T15:02:52.203501Z", "start_waiting": "2015-07-11T01:01:10.272683Z", "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": 73012, "name": "TiredOfWaiting_JustMove", "director": { "id": 216656, "username": "EdricTheWild", "country": "us", "icon": "https://user-uploads.online-go.com/6ffd3330a4c2ffb3ae91bdd27e6b576b-64.png", "ratings": { "version": 5, "overall": { "rating": 1206.4249275593615, "deviation": 62.31124670809441, "volatility": 0.059905822809551645 } }, "ranking": 19.261225895488323, "professional": false, "ui_class": "supporter" }, "description": "Tired of waiting for someone who makes one move per day? Then this tournament is for you.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 29760, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 28800, "initial_time": 86400, "max_time": 129600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8965, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2021-03-28T22:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 17, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-28T22:03:56.042401Z", "ended": "2021-06-08T08:52:32.111232Z", "start_waiting": "2021-03-28T22:03:55.868548Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 8, "ranked": true }, { "id": 73106, "name": "Shogi 将棋 9x9 XLIX", "director": { "id": 697149, "username": "deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17", "country": "se", "icon": "https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png", "ratings": { "version": 5, "overall": { "rating": 1665.2715388700315, "deviation": 71.21323820073493, "volatility": 0.0598806998975717 } }, "ranking": 26.723091679426847, "professional": false, "ui_class": "" }, "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.", "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": 935, "name": "Shogi 81Dojo", "summary": "Group for Shogi players on 81Dojo", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 39, "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-16T16:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-16T16:00:40.585260Z", "ended": "2021-08-01T12:45:00.855991Z", "start_waiting": "2021-04-16T16:00:40.284436Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-15.png", "player_count": 8, "ranked": true }, { "id": 39855, "name": "tonamend", "director": { "id": 367918, "username": "zion153", "country": "de", "icon": "https://secure.gravatar.com/avatar/1b87dd12d042b445eb1cefcd30929829?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1501.7778119444913, "deviation": 66.89316302788251, "volatility": 0.060060850305126263 } }, "ranking": 24.33080349971377, "professional": false, "ui_class": "" }, "description": "have good game", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "korean", "time_per_move": 606, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 600, "max_time": 900, "time_increment": 600, "speed": "live" }, "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": 18128, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-08-10T13:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-08-10T13:30:17.446810Z", "ended": "2018-08-10T13:57:15.906318Z", "start_waiting": "2018-08-10T13:30:17.291037Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 107609, "name": "Correspondence 9x9 RoundRobin 2023-09-19 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260830T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-30T19:00:32.113479Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "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": 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": "2026-09-02T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": "2023-09-19T19:00:57.705351Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-19T19:00:58.480602Z", "ended": "2023-10-26T09:58:07.917309Z", "start_waiting": "2023-09-19T19:00:58.020690Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 106500, "name": "9x9 Mini League 5k-15k #36", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1436.6763223064163, "deviation": 73.64403890814872, "volatility": 0.06029187474891314 } }, "ranking": 23.304858514505188, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 715, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-20T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-20T09:30:44.565614Z", "ended": "2023-10-09T15:10:04.264794Z", "start_waiting": "2023-08-20T09:30:44.445407Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 103225, "name": "Literature and painting", "director": { "id": 881921, "username": "GrandPa Frog", "country": "ru", "icon": "https://user-uploads.online-go.com/5fb556e66c2a6329343862ba69d68976-64.png", "ratings": { "version": 5, "overall": { "rating": 1389.7430311055082, "deviation": 63.68664986900685, "volatility": 0.059849518549770615 } }, "ranking": 22.53596654639986, "professional": false, "ui_class": "" }, "description": "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://pavelgvozdev.ru/ogs_tournament/tournament.css\">\n<p>Friends!</p>\n\n<p>Granpa Frog, who is an official member of the <a href=\"https://gomagic.org\">Gomagic</a> group on the OGS, is holding an unofficial June (2023) <a href=\"https://gomagic.org\">Gomagic</a> \"Literature and painting\" tournament.</p> \n\n<p>June is reflected in the world's literature and art. Without a long preface, let's raise our cultural level.</p>\n\n<h3>June in literature:</h3>\n<p>June 2, 1840 - English novelist, novelist and poet Thomas Hardy was born.</p>\n<p>June 6, 1799 - the great Russian poet, playwright and novelist Alexander Pushkin was born </p>\n<p>June 14, 1811 - Harriet Beecher Stowe, American writer, author of Uncle Tom's Cabin, was born.</p>\n<p>June 19, 1909 - one of the most famous Japanese novelists of the early 20th century, Osamu Dazai, was born.</p>\n<p>June 22, 1898 - German novelist Erich Maria Remarque was born.</p>\n<p>June 29, 1900 - French writer and poet Antoine de Saint-Exupery was born.</p>\n\n\n<h3>June in painting </h3>\n<p>Н. Larmessen. \"The Battle of Poltava. June 27, 1709. Engraving from a painting by P.-Darten Jr. After 1724.<br><br><img src=\"https://pavelgvozdev.ru/ogs_tournament/literature_and_painting/Larmessen_The_Battle_of_Poltava.jpg\" width=\"600px\" alt=\"Н. Larmessen. The Battle of Poltava. June 27, 1709. Engraving from a painting by P.-Darten Jr. After 1724.\"></p>\n\n<p>Ivan Konstantinovich Aivazovsky. \"The Battle of Chesmens on the Night of 25 to 26 June 1770.\" 1848.<br><br><img src=\"https://pavelgvozdev.ru/ogs_tournament/literature_and_painting/Aivazovsky_The_Battle_of_Chesmens_on_the_Night.jpg\" width=\"600px\" alt=\"Ivan Konstantinovich Aivazovsky. The Battle of Chesmens on the Night of 25 to 26 June 1770. 1848.\"></p>\n\n<p>Isaac Levitan. \"June Day (Summer).\" 1890-е.<br><br><img src=\"https://pavelgvozdev.ru/ogs_tournament/literature_and_painting/Levitan_A_June_Day.jpg\" width=\"600px\" alt=\"Isaac Levitan. June Day (Summer). 1890-е\"></p>\n\n<p>Sergei Repin. \"June\". 1998.<br><br><img src=\"https://pavelgvozdev.ru/ogs_tournament/literature_and_painting/Repin_June.jpg\" width=\"600px\" alt=\"Sergei Repin. June. 1998\"></p>\n\n<p>There will be no scandals, intrigues or investigations at this tournament. I want calm, peace and goodness, although it never happens that way anywhere.</p>\n\n<p>And now for the nice part. Each participant of this unofficial tournament will receive an unofficial prize - a Chinese Go book in electronic form.</p> \n\n<p>Something about the rules. Please note that each turn adds 1 day to your time, but no more than 3 days. Time is suspended on weekends. This means that you must make one move per day.</p> \n\n<p>Respectfully,<br>Grandfather Frog.</p>", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "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": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8605, "name": "Go Magic", "summary": "A modern platform for learning Go", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2249, "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png" }, "auto_start_on_max": false, "time_start": "2023-06-01T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-06-01T18:01:03.898258Z", "ended": "2024-10-15T11:12:55.713292Z", "start_waiting": "2023-06-01T18:00:59.008089Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png", "player_count": 79, "ranked": true } ] }