Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=643
{ "count": 59363, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=644", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=642", "results": [ { "id": 129765, "name": "19x19 Open League #92", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1378.8621286869252, "deviation": 66.61260604697289, "volatility": 0.060203637791238884 } }, "ranking": 22.354001857791825, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-06T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-02T06:01:16.011910Z", "ended": "2025-11-09T21:48:10.270164Z", "start_waiting": "2025-07-02T06:01:15.460013Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 82471, "name": "BOYZ TOURNAMENT", "director": { "id": 1072183, "username": "cool23dude", "country": "ca", "icon": "https://user-uploads.online-go.com/5a1e6935adce6cd4ebadfb8f7ae3e07a-64.png", "ratings": { "version": 5, "overall": { "rating": 1098.8085310805916, "deviation": 110.51175284447947, "volatility": 0.06001868580659114 } }, "ranking": 17.09820699707012, "professional": false, "ui_class": "" }, "description": "winner gets 10$\nloser is flamed forever\n\nGames are over when BOTH PLAYERS PASS", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 86400, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10496, "name": "Only for people who are fit for esports please :)", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-11-15T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-11-15T15:00:12.444234Z", "ended": "2021-11-28T13:57:12.366315Z", "start_waiting": "2021-11-15T15:00:12.278509Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 99571, "name": "2nd Sports", "director": { "id": 935377, "username": "langstonm", "country": "un", "icon": "https://secure.gravatar.com/avatar/f0166190db1a986ce265b1483b277c5c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1662.3108939062977, "deviation": 290.31896371798047, "volatility": 0.05999967537233814 } }, "ranking": 26.681897238489267, "professional": false, "ui_class": "provisional" }, "description": "Sports Class Challenge", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 116876, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 864000, "max_time": 864000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12849, "name": "1st Sports Cultural History", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-01-31T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-31T13:37:05.632316Z", "ended": "2023-02-23T12:52:22.250745Z", "start_waiting": "2023-01-31T13:37:05.521061Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 97157, "name": "1 -> 神仙老師 2 -> 朱雋銘", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "1 -> 神仙老師\n2 -> 朱雋銘", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-11-25T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-11-25T06:44:31.383412Z", "ended": "2022-11-25T07:13:35.468711Z", "start_waiting": "2022-11-25T06:44:31.324951Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 129538, "name": "Каникулы победителей", "director": { "id": 1777268, "username": "Ежик_про_го", "country": "un", "icon": "https://user-uploads.online-go.com/f51251300f61905a4f84720481355d60-64.png", "ratings": { "version": 5, "overall": { "rating": 1286.667484967521, "deviation": 65.14018503631341, "volatility": 0.060434505507334986 } }, "ranking": 20.751950467311005, "professional": false, "ui_class": "" }, "description": "Сначала четыре дня основного времени , потом беёми по одному дню пять периодов скорость игры переписка контроль времени беёми, останавливать на выходных, доступность открытый, система провидения Система Мак-Магона группы Мак-Магона 25 кю-9 дан игроки 4-100, начать когда наберётся нет, метод первичного подбора пар по силе,", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 92243, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 345600, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13797, "name": " 无间勤碁术化 Go Advance forward forever", "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 496, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": false, "time_start": "2025-07-01T05:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-01T05:00:29.867993Z", "ended": "2025-10-10T23:00:55.850620Z", "start_waiting": "2025-07-01T05:00:29.776802Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 5, "ranked": true }, { "id": 34964, "name": "Fast Correspondence Tournament – March 2018 (C)", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1536.4381320641062, "deviation": 62.14012379341324, "volatility": 0.05973603494346066 } }, "ranking": 24.85902218934289, "professional": false, "ui_class": "supporter moderator" }, "description": "Correspondence but fast paced tournament.\n\n**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 172800, "max_time": 172800, "time_increment": 28800, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 822, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2018-03-06T01:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2018-03-06T01:00:29.026683Z", "ended": "2018-04-13T12:28:47.837082Z", "start_waiting": "2018-03-06T01:00:24.595602Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 83094, "name": "Correspondence 13x13 RoundRobin 2021-11-30 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260416T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-16T19:00:57.227717Z", "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": "2026-04-19T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-11-30T19:00:48.287981Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-30T19:01:48.876013Z", "ended": "2022-01-10T06:26:19.699833Z", "start_waiting": "2021-11-30T19:01:47.945369Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 85442, "name": "SS 19×19 - NY2", "director": { "id": 743533, "username": "ss76", "country": "ru", "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 865.69965614538, "deviation": 63.39878919317945, "volatility": 0.06003400172803372 } }, "ranking": 11.578235639193064, "professional": false, "ui_class": "" }, "description": "play go", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 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": 17902, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-01T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-01T09:00:06.513366Z", "ended": "2022-04-21T19:06:30.323286Z", "start_waiting": "2022-02-01T09:00:06.064151Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 8, "ranked": true }, { "id": 94305, "name": "OST - Olympic System Tournament", "director": { "id": 1033608, "username": "NetCat", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1406.6650193080409, "deviation": 70.55993802829255, "volatility": 0.06003444046653894 } }, "ranking": 22.81614654991628, "professional": false, "ui_class": "" }, "description": "Olympic System Tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 11969, "name": "OST GO", "summary": "For Olympic tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 54, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2022-09-10T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-10T15:00:23.657478Z", "ended": "2023-03-06T20:37:46.351456Z", "start_waiting": "2022-09-10T15:00:23.525956Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 8, "ranked": true }, { "id": 82498, "name": "Correspondence 13x13 RoundRobin 2021-11-15 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260416T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-16T19:00:57.227717Z", "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": "2026-04-19T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-11-15T19:00:21.318269Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-15T19:00:24.016284Z", "ended": "2022-01-14T11:17:40.804922Z", "start_waiting": "2021-11-15T19:00:22.942440Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true } ] }
