Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=4182
{ "count": 60477, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4183", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4181", "results": [ { "id": 40082, "name": "Young League Tournament", "director": { "id": 509226, "username": "Ryuma", "country": "us", "icon": "https://secure.gravatar.com/avatar/5fb236ab2064e1f30981ef7416f81d7f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1889.3374602338436, "deviation": 66.05590735530238, "volatility": 0.06015461015671025 } }, "ranking": 29.6455018639557, "professional": false, "ui_class": "" }, "description": "Join the tournament for a new trophy.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, 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"active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 1305, "name": "well that's all I'm gonna get now from my French Beans!", "director": { "id": 913, "username": "orbitaleccentric", "country": "154", "icon": "https://secure.gravatar.com/avatar/53eeecc069afe75227d01613021745ee?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1197.485313531641, "deviation": 66.00831772608139, "volatility": 0.05873592496976569 } }, "ranking": 19.08904557426443, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all 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"volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "В подарок игрокам русской группы от [Виртуального Клуба Го \"Компас\"](https://online-go.com/group/1397) - группы, объединяющей русскоязычных игроков со всего мира. Добро пожаловать на наши соревнования!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "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": 1962, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png" }, "auto_start_on_max": false, "time_start": "2017-09-01T11:15:00Z", "players_start": 10, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-09-01T11:15:13.871599Z", "ended": "2018-11-21T23:11:00.268297Z", "start_waiting": "2017-09-01T11:15:12.760601Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png", "player_count": 25, "ranked": true }, { "id": 93346, "name": "Blitz 19x19 Elimination Tournament 2022-08-09 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260803T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-03T01:00:16.462372Z", "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": "2026-08-03T05:00:00Z", "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": "2022-08-09T21:30:18.610312Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-08-09T21:30:19.798452Z", "ended": "2022-08-09T21:45:59.590532Z", "start_waiting": "2022-08-09T21:30:19.694800Z", "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 }, { "id": 87931, "name": "19x19", "director": { "id": 1116912, "username": "Marvel Ng 2022", "country": "hk", "icon": "https://user-uploads.online-go.com/e1a5975b67b27eb9fccabb08996995c6-64.png", "ratings": { "version": 5, "overall": { "rating": 969.0483551252452, "deviation": 64.2643210877604, "volatility": 0.05999031014420976 } }, "ranking": 14.189011190836165, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 43365, "name": "สาระ-rail361! tour ครั้งที่ 8", "director": { "id": 148806, "username": "โอ๋ชิงหยวน", "country": "th", "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png", "ratings": { "version": 5, "overall": { "rating": 1488.2666323201963, "deviation": 64.21155271502609, "volatility": 0.05948146980367041 } }, "ranking": 24.12158524690582, "professional": false, "ui_class": "" }, "description": "After proving something for many years,\n there is no more need to doubt, kill them all.\n#Respect", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 12480, "time_control_parameters": { "total_time": 1123200, "time_control": "absolute", "speed": "correspondence", "system": "absolute", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 2571, 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