Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=3937
{ "count": 59155, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=3938", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=3936", "results": [ { "id": 16092, "name": "Correspondence 13x13 RoundRobin 2016-03-28 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260122T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-01-22T19:00:05.609559Z", 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"2016-04-14T10:26:43.076701Z", "start_waiting": "2016-04-14T09:46:57.494154Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png", "player_count": 6, "ranked": true }, { "id": 13665, "name": "onegaishimasu", "director": { "id": 204661, "username": "ApolloWilliams", "country": "us", "icon": "https://user-uploads.online-go.com/4017b00a60da1ad2754f01249b2f33c6-64.png", "ratings": { "version": 5, "overall": { "rating": 1003.5736446856988, "deviation": 71.78818544015964, "volatility": 0.06001905146917851 } }, "ranking": 14.999447331564266, "professional": false, "ui_class": "" }, "description": "the games are for fun and enjoy the game", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 13440, "time_control_parameters": { "total_time": 1209600, "time_control": "absolute" }, "is_open": true, "exclude_provisional": true, "group": { "id": 420, "name": 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"upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-01-25T19:00:00Z", "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": "2016-04-09T01:00:04.686165Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-04-09T01:00:23.561250Z", "ended": "2016-06-01T18:57:33.934116Z", "start_waiting": "2016-04-09T01:00:22.728405Z", "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": 11304, "name": 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