Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=825
{ "count": 59185, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=826", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=824", "results": [ { "id": 74095, "name": "Interhigh", "director": { "id": 787573, "username": "deleted-26e6f1ed-8545-46ae-af1c-c0c0416889b5", "country": "us", "icon": "https://secure.gravatar.com/avatar/04683a00dd4d2ba79b5d1826ff62ee64?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 725.3586878393482, "deviation": 71.21235288110906, "volatility": 0.06000421172117128 } }, "ranking": 7.483654472383618, "professional": false, "ui_class": "" }, "description": "Interhigh", "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": 5844, "name": "The Underground", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/9bd2489d7692687d8395ef0c94e4dbf5-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-20T23:20:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-04-20T23:20:03.681750Z", "ended": "2021-06-18T13:55:15.776004Z", "start_waiting": "2021-04-20T23:20:03.575586Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9bd2489d7692687d8395ef0c94e4dbf5-15.png", "player_count": 5, "ranked": true }, { "id": 11117, "name": "Correspondence 9x9 RoundRobin 2015-09-28 01:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260123T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-01-23T19:00:35.234039Z", "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": "2026-01-26T19:00:00Z", "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": "2015-09-28T01:00:00.991748Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-09-28T01:00:20.935839Z", "ended": "2015-11-13T13:11:10.319223Z", "start_waiting": "2015-09-28T01:00:20.060441Z", "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": 119329, "name": "9*9 #13", "director": { "id": 1381238, "username": "BuzzerBeater", "country": "030", "icon": "https://user-uploads.online-go.com/d34952ca0e76fd14a163c154f3b31475-64.png", "ratings": { "version": 5, "overall": { "rating": 2050.602442419522, "deviation": 84.31982659628616, "volatility": 0.06071904657387009 } }, "ranking": 31.54165833264965, "professional": false, "ui_class": "" }, "description": "9x9😁", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 13682, "name": "9*9棋賽群", "summary": "A space for 9*9 tournaments!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 26, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-08-22T16:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-08-22T16:00:02.631657Z", "ended": "2024-09-28T17:13:39.939967Z", "start_waiting": "2024-08-22T16:00:02.372103Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true }, { "id": 124987, "name": "Турнир за звание русской группы!!!", "director": { "id": 1687058, "username": "Kaw_Ninja", "country": "pt", "icon": "https://user-uploads.online-go.com/65362065d6e8e89c6607395ba8eb3d2f-64.png", "ratings": { "version": 5, "overall": { "rating": 952.4415334467215, "deviation": 70.79654177968679, "volatility": 0.06431646549167647 } }, "ranking": 13.788845156340887, "professional": false, "ui_class": "" }, "description": "https://i.namu.wiki/i/Es8VBXCZvl0vik-dAB9T2eDpd7fcPduch1P4BcDCuWCKpzv3JNWfEgYL3LqmRZA-P5SEzjxCHw12lED00MQUPxAMjCRcufBW6U0lBUUALd4AbzMc3pqyUUft3TqfXDJYebxZ_eNpoLzW566_P2OhXjhIIgHWGh74FUSyitpyZK8.webp", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": true, "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": 1927, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-28T16:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-16T10:53:46.302673Z", "ended": "2025-08-11T15:19:06.763343Z", "start_waiting": "2025-02-16T10:53:46.141026Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png", "player_count": 11, "ranked": true }, { "id": 17471, "name": "Correspondence 19x19 RoundRobin 2016-05-17 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260124T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-01-24T19:00:07.490939Z", "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": "2026-01-27T19:00:00Z", "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, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-05-17T01:00:53.288808Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-17T01:01:12.829781Z", "ended": "2016-10-24T09:08:22.061327Z", "start_waiting": "2016-05-17T01:01:11.873669Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 58653, "name": "Charco", "director": { "id": 362737, "username": "seranhelo", "country": "co", "icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png", "ratings": { "version": 5, "overall": { "rating": 1315.4110560105903, "deviation": 60.784797360228325, "volatility": 0.05977725254366489 } }, "ranking": 21.26341906930818, "professional": false, "ui_class": "" }, "description": "Torneo de clasificación", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4667, "name": "Universidad El Bosque", "summary": "UB GO", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-04-12T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 14, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-11T05:37:36.459611Z", "ended": "2020-04-24T04:35:41.928813Z", "start_waiting": "2020-04-11T05:37:34.047829Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 59977, "name": "Hidaka", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 819.352918501466, "deviation": 63.73689204145932, "volatility": 0.05991486980344936 } }, "ranking": 10.304450270770788, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16320, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 172800, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 420, "name": "Hikaru no go club", "summary": "Sai is the way.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 754, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png" }, "auto_start_on_max": true, "time_start": "2020-05-02T17:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 13, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-02T17:00:32.392730Z", "ended": "2020-05-03T15:30:00.283854Z", "start_waiting": "2020-05-02T17:00:32.189660Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png", "player_count": 3, "ranked": true }, { "id": 114015, "name": "California spangled Cat tournament #5", "director": { "id": 1518938, "username": "KittyWise", "country": "us", "icon": "https://user-uploads.online-go.com/dfb96e8660fdc662a5bd238eef23578c-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Let's playing around now", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 24648, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 21600, "initial_time": 86400, "max_time": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14076, "name": "KittyWise", "summary": "----------------------------------------------------------------------------------------------------------------------", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png" }, "auto_start_on_max": false, "time_start": "2024-03-21T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-21T03:00:36.459504Z", "ended": "2024-04-23T10:57:03.309730Z", "start_waiting": "2024-03-21T03:00:36.309843Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png", "player_count": 9, "ranked": true }, { "id": 109558, "name": "Go friendly match", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Go friendly match", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 100760, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 1814400, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 361, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-01T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-01T11:00:05.517307Z", "ended": "2024-02-25T12:27:25.716699Z", "start_waiting": "2024-01-01T11:00:05.346643Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 6, "ranked": true }, { "id": 60582, "name": "Correspondence 9x9 RoundRobin 2020-05-16 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260123T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-01-23T19:00:35.234039Z", "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": "2026-01-26T19:00:00Z", "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": "2020-05-16T19:00:42.859965Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-16T19:01:32.932344Z", "ended": "2020-06-04T07:34:29.988617Z", "start_waiting": "2020-05-16T19:01:28.857519Z", "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 } ] }
