Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-players_start&page=2089
{ "count": 61015, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=2090", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=2088", "results": [ { "id": 26752, "name": "IstanbulGo Hızlı Turnuva", "director": { "id": 54877, "username": "igsNomad", "country": "tr", "icon": "https://user-uploads.online-go.com/8117a0351f6a880a1503de571b451082-64.png", "ratings": { "version": 5, "overall": { "rating": 1749.3180449972501, "deviation": 63.028234005411605, "volatility": 0.06005005658118436 } }, "ranking": 27.86294737147678, "professional": false, "ui_class": "" }, "description": "Haftalık düzenli hızlı turnuva. Weekly fast paced tournament.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "period_time": 20, "main_time": 300, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 5, "speed": "live" }, "is_open": true, "exclude_provisional": false, "group": { "id": 561, "name": "IstanbulGO", "summary": "Istanbul Go Players's Association OGS group.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 64, "icon": "https://user-uploads.online-go.com/007cab92de5c2887ff0e16bedeafaafb-64.png" }, "auto_start_on_max": false, "time_start": "2017-05-09T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-05-09T16:00:17.486085Z", "ended": "2017-05-09T16:52:18.599454Z", "start_waiting": "2017-05-09T16:00:16.718151Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/007cab92de5c2887ff0e16bedeafaafb-15.png", "player_count": 5, "ranked": true }, { "id": 137490, "name": "Go Zodiac Friendship Games Online ราศีฉลู รุ่น E กระดาน 13x13 (ต่ำกว่า 8 คิว)", "director": { "id": 912069, "username": "cp03", "country": "un", "icon": "https://user-uploads.online-go.com/4da1ef892b79d62ea729b1964f8d22fc-64.png", "ratings": { "version": 5, "overall": { "rating": 979.8670006019078, "deviation": 181.69653598082337, "volatility": 0.06001681469772781 } }, "ranking": 14.446030270334095, "professional": false, "ui_class": "provisional" }, "description": "แต้มต่อ 6.5 คะแนน", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10407, "name": "Zodiac กลุ่ม E(ต่ำกว่า 8 คิว) กระดาน 13", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 241, "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png" }, "auto_start_on_max": false, "time_start": "2026-02-27T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-02-27T10:00:42.889506Z", "ended": "2026-02-27T10:55:43.874668Z", "start_waiting": "2026-02-27T10:00:42.426181Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png", "player_count": 21, "ranked": true }, { "id": 34472, "name": "Live 9x9 Double Elimination Tournament 2018-02-11 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260912T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-09-12T18:00:36.266093Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-09-12T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-02-11T10:30:58.577245Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-02-11T10:31:00.998999Z", "ended": "2018-02-11T11:13:38.269402Z", "start_waiting": "2018-02-11T10:31:00.322690Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 35256, "name": "03/09/2018", "director": { "id": 21742, "username": "დათო", "country": "ge", "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png", "ratings": { "version": 5, "overall": { "rating": 2188.217274395995, "deviation": 97.40479902700517, "volatility": 0.06013689069472163 } }, "ranking": 33.04533320130458, "professional": false, "ui_class": "" }, "description": "03/09/2018", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 41, "time_control_parameters": { "period_time": 40, "main_time": 120, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 5, "speed": "live" }, "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": "2018-03-09T18:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2018-03-09T18:15:38.226984Z", "ended": "2018-03-09T18:47:15.626788Z", "start_waiting": "2018-03-09T18:15:37.963373Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png", "player_count": 4, "ranked": true }, { "id": 14111, "name": "Love is in the Air 2016", "director": { "id": 164749, "username": "Expt626", "country": "_GoT_Targaryen", "icon": "https://user-uploads.online-go.com/16cf140627e78aed34e492f13cb94ecd-64.png", "ratings": { "version": 5, "overall": { "rating": 1433.6084656552916, "deviation": 64.5987255670871, "volatility": 0.06001154440807151 } }, "ranking": 23.255371502752002, "professional": false, "ui_class": "" }, "description": "Seattle has their new group here on OGS... They need their first annual tournament!!!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 28800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5, "name": "Seattle Go Center", "summary": "The Seattle Go Center teaches and promotes the Asian game of Go. This 4000 year old strategy board game continues to fascinate players around the world. Japanese professional Go player, Iwamoto Kaoru Sensei created The Seattle Go Center (SGC) in 1995, pur", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 346, "icon": "https://user-uploads.online-go.com/622071330bf597857b954683efcfb9cb-64.png" }, "auto_start_on_max": false, "time_start": "2016-02-15T07:40:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-02-15T07:40:42.498761Z", "ended": "2017-05-01T23:38:42.092421Z", "start_waiting": "2016-02-15T07:40:42.232790Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/622071330bf597857b954683efcfb9cb-15.png", "player_count": 15, "ranked": true }, { "id": 28806, "name": "Blitz 19x19 Elimination Tournament 2017-07-23 09:30", "director": { "id": 4, "username": "matburt", "country": 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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-09-12T21:00:00Z", "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": "2017-07-23T09:30:44.926490Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-07-23T09:30:48.094979Z", "ended": "2017-07-23T10:32:29.819294Z", "start_waiting": "2017-07-23T09:30:47.259231Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 14664, "name": "Live 9x9 Double Elimination Tournament 2016-02-04 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260912T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-09-12T18:00:36.266093Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, 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"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": "2017-05-27T21:30:38.180745Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-05-27T21:30:40.562971Z", "ended": "2017-05-27T21:56:38.137885Z", "start_waiting": "2017-05-27T21:30:40.214011Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true } ] }
