Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=1502
{ "count": 60698, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=1503", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=1501", "results": [ { "id": 23408, "name": "Correspondence 13x13 RoundRobin 2016-12-29 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260817T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-17T19:00:29.605367Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": "2026-08-20T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-12-29T01:00:06.909836Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-12-29T01:00:28.801782Z", "ended": "2017-03-12T22:24:40.981932Z", "start_waiting": "2016-12-29T01:00:26.325634Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 57931, "name": "1st Online Gotham Go Tournament", "director": { "id": 672272, "username": "deleted-515171ab-56e8-4b05-9971-91c5fe902288", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/3e09c070b5c9162e0454cf14cf7c097c-64.png", "ratings": { "version": 5, "overall": { "rating": 1842.358358117415, "deviation": 61.53777752053051, "volatility": 0.060036423214984494 } }, "ranking": 29.062590647246083, "professional": false, "ui_class": "" }, "description": "Battle for Secret Prizes in the 1st Ever Online Gotham Go Tournament!\nGames Start 3/24/2020 at EXACTLY 7pm! Determine who is the best of the best of the best!\n\nCommon Questions:\n\n Why Am I paired with that monster 3D? \n-I changed it from slide to strength so there!!!\n\n\nWhy do i not get any handicaps?\n- Because of newcomers people do not have correct rankings. Think of it as a learning experience!!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "aga", "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": 4589, "name": "Gotham Go Group - Manhattan", "summary": "A casual meeting of go players on the Upper West Side of Manhattan. 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-15T19:00:20.971739Z", "ended": "2020-07-01T07:29:32.615316Z", "start_waiting": "2020-01-15T19:00:15.901469Z", "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": 56977, "name": "Correspondence 9x9 RoundRobin 2020-02-28 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 Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": 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