Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=3592
{ "count": 59372, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3593", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3591", "results": [ { "id": 60061, "name": "Live 9x9 Double Elimination Tournament 2020-05-04 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260212T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-12T22:00:47.667567Z", "lead_time_seconds": 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false, "ui_class": "" }, "description": "This is a ‘FAST Correspondence Tournament’. Please avoid delaying your games using the Vacation feature or Pause. Any participant using Vacation or Pause may be disqualified (and forfeit unfinished games) at the discretion of the Tournament Director.\n\nThey usually take up to 3 weeks depending on who is in it and how fast they play. Most people have to get on twice a day so they don't timeout in the games. \n\nThis tournament is for 15-25ks only. There is also a weekly one of these for anyone at this link:\nhttps://online-go.com/tournament/58163\nYou can join both, or just one, but this one is not for people 14k+\n\nFor anyone not paying attention to the rules above:\nThe rules are 1 day + 12 hours, up to 2 days with no weekend pause. The ruleset used is the Chinese ruleset, and this is played on a 9x9 board.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 44160, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 805, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-08T23:01:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, 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"2020-05-04T09:30:13.351627Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-04T09:30:15.403554Z", "ended": "2020-05-04T09:51:43.429320Z", "start_waiting": "2020-05-04T09:30:14.839176Z", "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": 56276, "name": "Correspondence Round-Robin - No Handicap - 6-3kyu", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1271.774778298626, "deviation": 62.67621408523585, "volatility": 0.05957248762228975 } }, "ranking": 20.482434865223535, "professional": false, "ui_class": "supporter" }, "description": "Correspondence Round-Robin - No Handicap - 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