Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4846
{ "count": 61043, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4847", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4845", "results": [ { "id": 110828, "name": "Имени Никиты Горохова №1", "director": { "id": 908509, "username": "John_Lenin", "country": "ru", "icon": "https://user-uploads.online-go.com/e31f815467f0341377a3e3d940891275-64.png", "ratings": { "version": 5, "overall": { "rating": 1587.1453021748923, "deviation": 62.10460244894621, "volatility": 0.059941071590232355 } }, "ranking": 25.610706366451563, "professional": false, "ui_class": "" }, "description": "Порхай как бабочка, жаль Никита не пришёл(", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 39, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, 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60916, "name": "Correspondence 19x19 RoundRobin 2020-05-23 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260915T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-09-15T19:00:53.323991Z", "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 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"ended": "2022-10-16T00:02:03.660816Z", "start_waiting": "2020-05-23T19:01:43.180108Z", "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": 10029, "name": "This is a test", "director": { "id": 781, "username": "crocrobot", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/ec4cbf636fa48554be003afcb6fb1237-64.png", "ratings": { "version": 5, "overall": { "rating": 1601.0041456964598, "deviation": 67.50164765912632, "volatility": 0.06007203203382816 } }, "ranking": 25.811973122379904, "professional": false, "ui_class": "supporter" }, "description": "I am testing something, please join, then don't play", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 407, "name": "Affirmations for herbie", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://user-uploads.online-go.com/3b7d10c6fe36a21e40e6bbb57c81032e-64.png" }, "auto_start_on_max": false, "time_start": "2015-08-17T17:10:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-17T17:10:40.776923Z", "ended": "2015-08-17T17:15:12.166583Z", "start_waiting": "2015-08-17T17:10:40.599870Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3b7d10c6fe36a21e40e6bbb57c81032e-15.png", "player_count": 6, "ranked": true }, { "id": 4588, "name": "Second iLab tournament", "director": { "id": 39827, "username": "dms103", "country": "un", "icon": 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"schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260914T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-09-14T19:00:53.467896Z", "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": "2026-09-17T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { 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"id": 610, "name": "Querétaro Go-Baduk-Weiki", "summary": "Grupo para promover el juego del Go en Querétaro. Group that promotes the game of Go in Queretaro.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/ce6e75b48dae1c9ddf51e30fdb92c2b9-64.png" }, "auto_start_on_max": true, "time_start": "2016-01-07T16:05:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-07T16:05:32.724268Z", "ended": "2016-02-29T01:36:03.490817Z", "start_waiting": "2016-01-07T16:05:32.464183Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ce6e75b48dae1c9ddf51e30fdb92c2b9-15.png", "player_count": 12, "ranked": true } ] }
