Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4540
{ "count": 60503, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4541", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4539", "results": [ { "id": 37939, "name": "Correspondence 9x9 5-simultaneous games. Starts when full. 37939", "director": { "id": 497519, "username": "Kosh-retired", "country": "_Lord_Howe_Island", "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1574.954785564748, "deviation": 61.40997215047312, "volatility": 0.060088015249815864 } }, "ranking": 25.432209892698047, "professional": false, "ui_class": "" }, "description": "Similar to the automatic site-wide version except:\n\n-Just six players, five games, STARTS WHEN FULL.\n\n-Larger registration window.\n\n-Chinese rules for simplicity and the clock does NOT pause on the weekend.\n\n-If this suits you then; Bonne Partie. :)", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 88320, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2014, "name": "The Nines 9x9 ", "summary": "9x9 Go!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 379, "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png" }, "auto_start_on_max": true, "time_start": "2018-06-10T13:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-11T14:40:34.633024Z", "ended": "2018-07-24T06:12:08.767407Z", "start_waiting": "2018-06-11T14:40:33.449027Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png", "player_count": 6, "ranked": true }, { "id": 17603, "name": "მეშვიდე ტურნირი", "director": { "id": 174398, "username": "GiorgiGlonti", "country": "un", "icon": "https://secure.gravatar.com/avatar/bae2f3efade17b0910e2790bf6397615?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2076.951457005621, "deviation": 167.04794873166261, "volatility": 0.06000438851576052 } }, "ranking": 31.837227082853726, "professional": false, "ui_class": "provisional" }, "description": "მეშვიდე", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "time_control": "byoyomi", "period_time": 20, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 692, "name": "Georgia - საქართველოს გოს ფედერაცია", "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 270, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png" }, "auto_start_on_max": false, "time_start": "2016-05-21T18:27:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-15T19:48:43.268274Z", "ended": "2016-09-15T20:02:06.653954Z", "start_waiting": "2016-09-15T19:48:41.813690Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png", "player_count": 4, "ranked": true }, { "id": 107815, "name": "pirate player", "director": { "id": 988149, "username": "Oshi sensei", "country": "fr", "icon": "https://user-uploads.online-go.com/d9d830292c84d1a7c27f73d63f39bb95-64.png", "ratings": { "version": 5, "overall": { "rating": 1183.5121576947959, "deviation": 66.8509709536524, "volatility": 0.06050254756791364 } }, "ranking": 18.817325612180408, "professional": false, "ui_class": "" }, "description": "trhey\nyten", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4320, "name": "Pirate Go", "summary": "A group for OGS Pirates.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 43, "icon": "https://user-uploads.online-go.com/b1c15c1b207f8809858da342f487ad98-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-30T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-30T09:00:32.435047Z", "ended": "2023-09-30T09:02:34.453841Z", "start_waiting": "2023-09-30T09:00:32.353333Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/b1c15c1b207f8809858da342f487ad98-15.png", "player_count": 2, "ranked": true }, { "id": 19107, "name": "Correspondence 19x19 RoundRobin 2016-07-19 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260804T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-04T19:00:16.945780Z", "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": "2026-08-07T19:00:00Z", "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": "2016-07-19T01:00:31.830545Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-07-19T01:00:52.006471Z", "ended": "2016-09-15T14:57:45.507931Z", "start_waiting": "2016-07-19T01:00:51.098868Z", "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": 118800, "name": "Correspondence 9x9 RoundRobin 2024-08-05 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 Site-wide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-03T19:00:16.570410Z", "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": "2026-08-06T19:00:00Z", "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": "2024-08-05T19:00:18.758207Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-08-05T19:01:04.026907Z", "ended": "2024-08-13T22:07:20.828251Z", "start_waiting": "2024-08-05T19:01:03.856607Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 119116, "name": "หมากล้อมวันที่ 14 เวลา 13.05 น.", "director": { "id": 1606875, "username": "thakham2566", "country": "un", "icon": "https://secure.gravatar.com/avatar/0214e393d1b55939985d8607cc983414?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 912.2901390713149, "deviation": 138.81023955090083, "volatility": 0.059996698676960225 } }, "ranking": 12.79175964398333, "professional": false, "ui_class": "" }, "description": "เล่นหมากล้อม", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 10, "initial_time": 30, "max_time": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14502, "name": "หมากล้อมโรงเรียนวัดท่าข้าม", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 102, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-08-14T05:05:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-08-14T05:03:56.368953Z", "ended": "2024-08-14T05:32:42.891921Z", "start_waiting": "2024-08-14T05:03:56.089482Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 20, "ranked": true }, { "id": 78991, "name": "Time Stone 2021", "director": { "id": 681206, "username": "the loser", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/cb9be7042776ad032de2e680e0e05d68-64.png", "ratings": { "version": 5, "overall": { "rating": 1326.362270791935, "deviation": 64.05772890157435, "volatility": 0.060093816157454245 } }, "ranking": 21.455352322496815, "professional": false, "ui_class": "" }, "description": "If you win this tournament, you will get the time stone.\n\nIn the Marvel movies, there are 6 infinity stones, soul, reality, space, power, time, and mind. You need to try to collect all of the infinity stones. There will be tournaments to collect them.", "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": false, "time_increment": 86400, "initial_time": 259200, "max_time": 432000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9770, "name": "Infinity Stones", "summary": "In the Marvel movies, there are 6 infinity stones, soul, reality, space, power, time, and mind. You need to try to collect all of the infinity stones. There will be tournaments to collect them.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/5b13724e33fd9312f6737a3bdc2a78d7-64.png" }, "auto_start_on_max": true, "time_start": "2021-11-01T02:00:00Z", "players_start": 50, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-07T00:56:43.232928Z", "ended": "2024-01-14T15:38:33.194560Z", "start_waiting": "2021-11-07T00:56:42.542120Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5b13724e33fd9312f6737a3bdc2a78d7-15.png", "player_count": 50, "ranked": true }, { "id": 131681, "name": "9x9 Mini League 1k-9k #151", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1375.0419680061634, "deviation": 70.2199234942424, "volatility": 0.060265703240717575 } }, "ranking": 22.28977538266422, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-09-07T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-06T21:13:13.341861Z", "ended": "2025-09-25T00:14:48.337489Z", "start_waiting": "2025-09-06T21:13:13.163939Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 39326, "name": "2018 - Summer Lviv Tournament - Middle", "director": { "id": 79, "username": "oldyew", "country": "ua", "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png", "ratings": { "version": 5, "overall": { "rating": 1699.5414552087682, "deviation": 62.81481515784271, "volatility": 0.06003174512966973 } }, "ranking": 27.19466379810587, "professional": false, "ui_class": "" }, "description": "2018 - Summer Lviv Tournament - Middle", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "period_time": 604800, "main_time": 259200, "system": "canadian", "pause_on_weekends": false, "time_control": "canadian", "stones_per_period": 21, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1460, "name": "Lviv Club", "summary": "Lviv Go Players Group", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 28, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-07-29T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 16, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "invite", "started": "2018-07-24T06:04:08.372432Z", "ended": "2018-10-15T19:39:06.586408Z", "start_waiting": "2018-07-24T06:03:56.012755Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 94938, "name": "24-9 李張樂 馮淽喬", "director": { "id": 1165599, "username": "hkgeachak", "country": "un", "icon": "https://secure.gravatar.com/avatar/41042e06335c10f8b076b6a13f396c0a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1016.8224467285002, "deviation": 97.43080887730794, "volatility": 0.059989784647241695 } }, "ranking": 15.30306518649848, "professional": false, "ui_class": "" }, "description": "24-9 李張樂 馮淽喬", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 10, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12123, "name": "HKGEA A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-09-24T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-24T10:07:34.836897Z", "ended": "2022-09-24T11:07:09.383240Z", "start_waiting": "2022-09-24T10:07:34.770869Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }