Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=4620
{ "count": 60248, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=4621", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=4619", "results": [ { "id": 63273, "name": "Correspondence 19x19 RoundRobin 2020-07-19 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:20260711T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-07-11T19:00:19.513953Z", 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}, { "id": 11985, "name": "jodores", "director": { "id": 173754, "username": "matheus josé frança lemes", "country": "br", "icon": "https://user-uploads.online-go.com/d042696b50cc9c09a7fa7424832972e7-64.png", "ratings": { "version": 5, "overall": { "rating": 1518.5485166038789, "deviation": 66.0172567262845, "volatility": 0.06017597825218132 } }, "ranking": 24.587892145597387, "professional": false, "ui_class": "" }, "description": "jogadores", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 312, "time_control_parameters": { "time_control": "byoyomi", "period_time": 300, "main_time": 1140, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 88, "name": "Brasil-Portugal", "summary": "Para todos os que falam a língua portuguesa ^^", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 219, "icon": "https://user-uploads.online-go.com/9b0ddc9ccaf7b0545ce330002acd9b28-64.png" }, "auto_start_on_max": false, "time_start": "2015-10-28T20:32:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2015-11-05T12:27:01.290013Z", "ended": "2015-11-05T14:30:35.066769Z", "start_waiting": "2015-11-05T12:27:01.140987Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9b0ddc9ccaf7b0545ce330002acd9b28-15.png", "player_count": 4, "ranked": true }, { "id": 71393, "name": "1st 2021 OGS Yeonwoo's Cup", "director": { "id": 661209, "username": "GomezAlvaEs", "country": "es", "icon": "https://user-uploads.online-go.com/f14d8df8aa0df41e539d7c00d9640806-64.png", "ratings": { "version": 5, "overall": { "rating": 1191.4291888125815, "deviation": 66.40775072696641, "volatility": 0.059953107510029906 } }, "ranking": 18.971670433840064, "professional": false, "ui_class": "" }, "description": "I'm delighted to introduce you to the 1st 2021 OGS Yeonwoo's cup, a monthly tournament for our club.\n\nIt will be played correspondence so people from everywhere in the world can participate :)\n\nThis is the first edition and it has been created by myself. Unluckily I don't have much experience in organizing tournaments so please, feel free to send me a message with your comments if you see something that could work better.\n\nIn terms of Handicap, I think we still need to discuss about it since we have a huge variety of ranks in our beautiful group.\n\nGood luck to everybody :)", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8313, "name": "Yeonwoo-pro Official Fan Club", "summary": "Korean baduk professional Yeonwoo fan club.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 135, "icon": 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