Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=player_count&page=3354
{ "count": 59663, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=3355", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=3353", "results": [ { "id": 119837, "name": "Live 19x19 Swiss Tournament 2024-09-03 20:30", "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 Site-wide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260517T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-17T04:00:50.193780Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-05-17T08:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-09-03T20:30:35.217640Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-09-03T20:31:35.305163Z", "ended": "2024-09-03T23:27:46.797588Z", "start_waiting": "2024-09-03T20:31:35.214557Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 116904, "name": "国庆节10.1", "director": { "id": 1430197, "username": "deleted-d13910fe-e5a4-4040-93d7-d0668f5ae4d4", "country": "cn", "icon": "https://user-uploads.online-go.com/927e69cecbf365e2078395ee98e817f3-64.png", "ratings": { "version": 5, "overall": { "rating": 875.5175656976088, "deviation": 135.16783669189448, "volatility": 0.06004585505058601 } }, "ranking": 11.839302451557224, "professional": false, "ui_class": "" }, "description": "中华人民共和国国庆节是中华人民共和国的建立纪念日。1949年10月1日，北京天安门广场举行了开国大典，中华人民共和国中央人民政府正式成立。1949年12月2日，中央人民政府委员会第四次会议通过《关于中华人民共和国国庆日的决议》，宣告:\"自一九五零年起，每年的十月一日，即中华人民共和国宣告成立的日子，为中华人民共和国的国庆日。 \"国庆节期间，全中国都会举行各种纪念活动，纪念为中华人民共和国的建立而牺牲的革命先烈。中国大陆、香港及澳门地区均订为法定假日或公众假期(澳门为2天;香港在1997和98年也曾是2天，后为1天)。自2008年起，每逢国庆节，国家领导人都会向位于天安门广场的人民英雄纪念碑敬献花篮。世界各地华侨社区，均会举办升旗仪式等活动庆祝国庆。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 355825, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 345600, "initial_time": 604800, "max_time": 1123200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1784, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2024-06-11T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-11T06:00:51.136941Z", "ended": "2024-08-27T05:33:10.213894Z", "start_waiting": "2024-06-11T06:00:50.928598Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 6, "ranked": true }, { "id": 120068, "name": "Cosmo GO, the beginning", "director": { "id": 478621, "username": "konubinix", "country": "fr", "icon": "https://user-uploads.online-go.com/69a89287fe90fc709207d49b7803fd50-64.png", "ratings": { "version": 5, "overall": { "rating": 1226.7527417888496, "deviation": 62.34197149324405, "volatility": 0.0600264629674146 } }, "ranking": 19.64804503680094, "professional": false, "ui_class": "" }, "description": "En souvenir du bon vieux temps", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, 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"2024-09-09T18:31:54.385870Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 120173, "name": "Blitz 13x13 Swiss Tournament 2024-09-14 11:30", "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 Site-wide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260517T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-17T07:00:50.089041Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, 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