Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4817
{ "count": 59362, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4818", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4816", "results": [ { "id": 63000, "name": "Correspondence 9x9 RoundRobin 2020-07-12 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": "DTSTART:20260414T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-14T19:00:56.031508Z", 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"is_open": true, "exclude_provisional": true, "group": { "id": 11056, "name": "Among us go player ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 42, "icon": "https://user-uploads.online-go.com/ff5e6075a97ddeff07901d1975a8b2ec-64.png" }, "auto_start_on_max": false, "time_start": "2022-04-29T22:59:00Z", "players_start": 2, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-29T22:59:14.842578Z", "ended": "2022-05-08T06:27:51.756009Z", "start_waiting": "2022-04-29T22:59:14.727313Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff5e6075a97ddeff07901d1975a8b2ec-15.png", "player_count": 10, "ranked": true }, { "id": 53472, "name": "Correspondence 13x13 RoundRobin 2019-11-02 19:00", "director": { "id": 4, "username": "matburt", 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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": "2026-04-19T19:00:00Z", "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, "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": "2019-11-02T19:00:42.325025Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-11-02T19:00:49.887842Z", "ended": "2020-01-10T12:51:59.071533Z", "start_waiting": "2019-11-02T19:00:46.711007Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 9338, "name": "play go with new people", "director": { "id": 170108, "username": "larrydoggie", "country": "un", "icon": "https://secure.gravatar.com/avatar/2791cc78bc73d72cb4cf9aac70916c9e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 982.6074134895246, "deviation": 173.81051295460227, "volatility": 0.05999712678728786 } }, "ranking": 14.510683953590497, "professional": false, "ui_class": "provisional" }, "description": "Play go and have for an elimination round", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 92160, "time_control_parameters": { "time_control": "fischer", "initial_time": 518400, "max_time": 691200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The 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