Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=2310
{ "count": 59498, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=2311", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=2309", "results": [ { "id": 80217, "name": "Live 9x9 Double Elimination Tournament 2021-09-17 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260427T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": 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true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-07-29T17:30:52.855794Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-29T17:32:38.987001Z", "ended": "2025-07-29T17:50:15.146270Z", "start_waiting": "2025-07-29T17:32:38.816578Z", "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": 74867, "name": "★13路盤リーグ☆", "director": { "id": 883578, "username": "yushima16", "country": "un", "icon": "https://secure.gravatar.com/avatar/5226c76c1612cc6a4f454fe504dafaa6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2089.9835509375825, "deviation": 102.774712874552, "volatility": 0.060007936567765485 } }, "ranking": 31.982030857139492, "professional": false, "ui_class": "" }, "description": "メンバーさんからご提案いただいた「13路盤」でのリーグ戦をお試し開催してみます！\n今月はちょいと忙しいんだよな…という方は、よろしければこちらだけご参加いただいてはどうでしょうか？＾＾\n\nグループメンバーならどなたでもご参加いただけます！", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "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": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7692, "name": "Yushima Go Cafe （湯島囲碁喫茶）", "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png" }, "auto_start_on_max": false, "time_start": 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