Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5437
{ "count": 59408, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5438", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5436", "results": [ { "id": 129625, "name": "13x13 Open League #45", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1357.1348379116837, "deviation": 67.2035710014903, "volatility": 0.06020465154221762 } }, "ranking": 21.98631332494487, "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": 90782, "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": "2025-07-27T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-22T11:12:19.412685Z", "ended": "2025-10-19T01:40:53.170185Z", "start_waiting": "2025-07-22T11:12:18.836742Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 129864, "name": "Olival 3", "director": { "id": 681764, "username": "LeandroMoi", "country": "br", "icon": "https://secure.gravatar.com/avatar/213156d9bbd3cd2c352d1d8067118643?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 934.5838806109518, "deviation": 64.04985165268056, "volatility": 0.06005666852734085 } }, "ranking": 13.350677231683745, "professional": false, "ui_class": "" }, "description": "Olival costa", "schedule": null, "title": null, "tournament_type": "swiss", "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": false, "group": { "id": 15461, "name": "Olival Costa", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-06-26T15:50:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-06-26T15:50:29.258634Z", "ended": "2025-07-06T16:22:40.818110Z", "start_waiting": "2025-06-26T15:50:29.111373Z", "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": 136223, "name": "Handicap Arena 2026 - 004", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1047.751568036602, "deviation": 63.98747462726221, "volatility": 0.06007316520805921 } }, "ranking": 15.996731506232393, "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": 105, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-12T09:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-11T14:33:09.566467Z", "ended": null, "start_waiting": "2026-01-11T14:33:09.352529Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 62001, "name": "Mental Combat Basic 2020 19x19 Regular", "director": { "id": 476035, "username": "MonkeyMonk", "country": "ru", "icon": "https://secure.gravatar.com/avatar/893ba2588a07b3654986a9ddfaabc7d7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1421.3320906134593, "deviation": 61.451764318788584, "volatility": 0.0600152725576737 } }, "ranking": 23.05627815682673, "professional": false, "ui_class": "" }, "description": "Annual Mental Combat Basic regular tournament.", "schedule": null, "title": null, "tournament_type": "double_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": 5771, "name": "Mental Combat", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 0, "icon": "https://user-uploads.online-go.com/cade87c9b60b1cde406b87b63c367e0f-64.png" }, "auto_start_on_max": true, "time_start": "2020-07-15T01:00:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-15T01:00:49.369228Z", "ended": "2022-03-15T07:54:09.526392Z", "start_waiting": "2020-07-15T01:00:48.802248Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cade87c9b60b1cde406b87b63c367e0f-15.png", "player_count": 19, "ranked": true }, { "id": 89207, "name": "Blitz 9x9", "director": { "id": 599102, "username": "🐬⚔️🐬 🍩🥂🕯️🌱", "country": "bs", "icon": "https://user-uploads.online-go.com/9f1b3b5e4e9ea8e9cad3ce3456addaf5-64.png", "ratings": { "version": 5, "overall": { "rating": 1646.7114093252521, "deviation": 65.53236576357357, "volatility": 0.06020281826982568 } }, "ranking": 26.463626879317594, "professional": false, "ui_class": "" }, "description": "Anyone is welcome, have fun!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 5, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 0, "period_time": 5, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10635, "name": "Blitz ⚡", "summary": "Welcome,\n\nBlitz style tourneys, please join if you like speedy Go!\n\n\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 20, "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-64.png" }, "auto_start_on_max": false, "time_start": "2022-04-27T01:10:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-27T01:10:19.211679Z", "ended": "2022-04-27T01:13:48.738072Z", "start_waiting": "2022-04-27T01:10:19.127160Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-15.png", "player_count": 4, "ranked": true }, { "id": 60277, "name": "İkinci deneme turnuvası", "director": { "id": 54877, "username": "igsNomad", "country": "tr", "icon": "https://user-uploads.online-go.com/8117a0351f6a880a1503de571b451082-64.png", "ratings": { "version": 5, "overall": { "rating": 1782.78616598201, "deviation": 62.50747648468425, "volatility": 0.06004780489913178 } }, "ranking": 28.301671793755595, "professional": false, "ui_class": "" }, "description": "Bu bir İsviçre tipi turnuva ilk turlar kıyım (güçlü-zayıf eşleşmesi) sonraki turlar fermuar eşleşmesi ile işleyecek. Burda tur sayısı ve eşleşecek oyunculara müdahale etme şansımız yok gibi gözüküyor.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5651, "name": "İGODözelGRUP", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-05-09T14:10:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-05-09T14:10:23.458407Z", "ended": "2020-05-09T15:29:57.577512Z", "start_waiting": "2020-05-09T14:10:22.899494Z", "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": 59757, "name": "Cohiba", "director": { "id": 768974, "username": "Gåsapågen", "country": "se", "icon": "https://secure.gravatar.com/avatar/3cc06461c94e81d3db8ed3f42d81e75c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1576.3144741317774, "deviation": 102.4158546831308, "volatility": 0.060005528193440474 } }, "ranking": 25.452187108026894, "professional": false, "ui_class": "" }, "description": "9x9 med handikapp.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5469, "name": "Grand Corona", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/21614e6f09e7520a1bc888df5097a96c-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-08T15:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-05-08T15:00:19.953434Z", "ended": "2020-06-08T03:09:06.677808Z", "start_waiting": "2020-05-08T15:00:19.716475Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/21614e6f09e7520a1bc888df5097a96c-15.png", "player_count": 7, "ranked": true }, { "id": 93022, "name": "We love Go", "director": { "id": 875708, "username": "vanecho", "country": "ca", "icon": "https://secure.gravatar.com/avatar/21fd8ed0ecc0af43aabf973b48f11224?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1394.7405472660932, "deviation": 67.62793700753289, "volatility": 0.060329591840027785 } }, "ranking": 22.6190646291034, "professional": false, "ui_class": "" }, "description": "why not", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 6, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 120, "period_time": 5, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10243, "name": "AGA GO CLUB", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 27, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-07-31T22:30:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-07-31T22:30:54.651435Z", "ended": "2022-07-31T22:41:29.150829Z", "start_waiting": "2022-07-31T22:30:54.527191Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 82313, "name": "9x9 D.E 11/13/2021 🦕", "director": { "id": 584481, "username": "Mulsiphix", "country": "us", "icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png", "ratings": { "version": 5, "overall": { "rating": 1723.508332937557, "deviation": 67.30621035483453, "volatility": 0.06024145341136911 } }, "ranking": 27.51884388340188, "professional": false, "ui_class": "supporter" }, "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Daredevil Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<hr>\n\nTournaments are a great way to locate players who are more competitive than your average opponent. A big part of improving your own skills is to have them tested by capable challengers. If you would like to be a part of more New Zealand rule set tournaments, check out our group for weekly opportunities.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "nz", "time_per_move": 59520, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 57600, "initial_time": 172800, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3207, "name": "New Zealand Tournaments", "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 592, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png" }, "auto_start_on_max": true, "time_start": "2021-11-14T02:00:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-15T03:35:41.689195Z", "ended": "2022-02-23T01:20:55.650063Z", "start_waiting": "2021-11-15T03:35:41.539012Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png", "player_count": 8, "ranked": true }, { "id": 136622, "name": "winner round", "director": { "id": 1942246, "username": "Rosemary Teacher", "country": "un", "icon": "https://secure.gravatar.com/avatar/066f8b0bfc551845f905ae10d94383da?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.3615547953566, "deviation": 250, "volatility": 0.06 } }, "ranking": 7.000000000000001, "professional": false, "ui_class": "provisional" }, "description": "jia you jia you", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "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": false, "group": { "id": 16110, "name": "Chinese game Class", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-01-22T14:36:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-01-22T14:36:04.776088Z", "ended": "2026-01-22T15:00:18.409727Z", "start_waiting": "2026-01-22T14:36:04.696028Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": false } ] }
