Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=ended&page=5548
{ "count": 58822, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=ended&page=5549", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=ended&page=5547", "results": [ { "id": 130423, "name": "Blitz 19x19 Elimination Tournament 2025-07-13 13:31", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260303T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-03-03T09:00:40.911719Z", "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": "2026-03-03T13:00:00Z", "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": "2025-07-13T13:31:02.110862Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-13T13:31:54.598304Z", "ended": "2025-07-13T14:07:55.239917Z", "start_waiting": "2025-07-13T13:31:54.521800Z", "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": 118232, "name": "19x19 Open D.E. Cup #78", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.7607772259034, "deviation": 69.43294160708245, "volatility": 0.06017334395576651 } }, "ranking": 23.17695807323701, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. 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"time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 60, "name": "Swiss Group", "summary": "All swiss players please meet here!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 124, "icon": "https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-01T21:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-01T21:00:23.585317Z", "ended": "2025-07-13T21:14:13.255022Z", "start_waiting": "2025-02-01T21:00:23.286096Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-15.png", "player_count": 23, "ranked": true }, { "id": 123308, "name": "Study group Tourney for begginers", "director": { "id": 1649210, "username": "Bougainvillea", "country": "un", "icon": "https://user-uploads.online-go.com/9a9495dbf357df5bb0513183d04d9dbe-64.png", "ratings": { "version": 5, "overall": { "rating": 843.2428727452719, "deviation": 65.80931944870223, "volatility": 0.06024075278591883 } }, "ranking": 10.969783975226155, "professional": false, "ui_class": "" }, "description": "<img src=\"https://habrastorage.org/getpro/habr/upload_files/065/512/016/0655120165b1212c74bd879a5b19f142.jpeg\" width=100 height=100>\n<img src=\"https://img51994.telefamily.ru/img/2021-06-07/fmt_96_24_1623164777_shutterstock_1510632941.jpg\" width=100 height=100>\n<img src=\"https://i.pinimg.com/originals/5f/68/12/5f68124330d090e7936ff592f3ccb60c.jpg\" width=100 height=100>\n<img src=\"https://i.ytimg.com/vi/6hdkLHlo6ew/maxresdefault.jpg\" width=100 height=100>\n<img src=\"https://avatars.mds.yandex.net/i?id=3f4aa19a7ad431de6fa83db904493a7b_l-5234915-images-thumbs&ref=rim&n=13&w=1920&h=1080\" width=100 height=100>\n<img src=\"https://fanfishka.ru/uploads/posts/2017-07/1500201854_45.jpg\" width=100 height=100>\n<img src=\"https://zoomix-opt.ru/images/detailed/37/Procambarus-clarkii_00.jpg\" width=100 height=100>\n<img src=\"https://cdn.culture.ru/images/9bb52666-2956-5bb4-87fa-d3c874ae39d2\" width=100 height=100>\n<img src=\"https://www.turteka.com/wp-content/uploads/2022/04/kity-i-gora-redonda-5.jpg\" width=100 height=100>\n<img src=\"https://i.pinimg.com/736x/fb/d7/c8/fbd7c8d805c6e906b8053ad68207204c.jpg\" width=100 height=100>", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 432000, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 432000 }, "is_open": true, "exclude_provisional": false, 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We study, play each other, and have tournaments every now and then.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-20T12:00:00Z", "players_start": 15, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-20T12:00:55.454369Z", "ended": "2025-07-14T00:50:18.182480Z", "start_waiting": "2024-12-20T12:00:54.898339Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png", "player_count": 34, "ranked": true }, { "id": 130441, "name": "Blitz 19x19 Elimination Tournament 2025-07-14 01:31", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260303T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-03-03T09:00:40.911719Z", "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": "2026-03-03T13:00:00Z", "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": "2025-07-14T01:31:01.901079Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-14T01:31:54.756671Z", "ended": "2025-07-14T02:11:33.477127Z", "start_waiting": "2025-07-14T01:31:54.638177Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 13, "ranked": true }, { "id": 125812, "name": "Handicap Arena 2025 - 014", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1120.0744366839263, "deviation": 63.65462468299386, "volatility": 0.06007243332582177 } }, "ranking": 17.541962522843974, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 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": 101, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-01T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-01T04:05:46.063274Z", "ended": "2025-07-14T03:30:08.846125Z", "start_waiting": "2025-03-01T04:05:45.933356Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true } ] }
