Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=348
{ "count": 59551, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=349", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=347", "results": [ { "id": 73933, "name": "Live 19x19 Swiss Tournament 2021-04-15 08:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260504T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-04T00:00:48.969523Z", 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"ended": "2021-02-26T20:31:39.152928Z", "start_waiting": "2021-02-26T19:33:16.688337Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 58218, "name": "Quarantine Tournament (7) 19x19", "director": { "id": 487043, "username": "nutpen", "country": "ch", "icon": "https://user-uploads.online-go.com/519496e611a7f4fe719f898eb7041ddf-64.png", "ratings": { "version": 5, "overall": { "rating": 1957.5667596000656, "deviation": 64.86205685590367, "volatility": 0.05994297843659725 } }, "ranking": 30.46677208227851, "professional": false, "ui_class": "" }, "description": "Train your Go-brain while staying at home! Have fun and don’t be bored! Everyone Welcome! 30kyu-9dan :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 12, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 180, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3222, "name": "GOKSZ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 28, "icon": "https://user-uploads.online-go.com/c22fe607cd9797580423018238a7c399-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-03T14:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-04-03T14:30:57.890001Z", "ended": "2020-04-03T16:15:25.054908Z", "start_waiting": "2020-04-03T14:30:57.589695Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c22fe607cd9797580423018238a7c399-15.png", "player_count": 7, "ranked": true }, { "id": 72115, "name": "TRAINING 4TO MARZO", "director": { "id": 88120, "username": "satoshi84", "country": "mx", "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png", "ratings": { "version": 5, "overall": { "rating": 1136.7959829193692, "deviation": 78.40429708623937, "volatility": 0.06016044531576248 } }, "ranking": 17.885013568829635, "professional": false, "ui_class": "" }, "description": "VAMOS A JUGAR GO", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 20, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5581, "name": "Colegio Serapio Rendón // Kinder - Primaria", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-02T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2021-03-02T14:20:19.100141Z", "ended": "2021-03-02T15:01:16.287296Z", "start_waiting": "2021-03-02T14:20:18.767485Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png", "player_count": 8, "ranked": true }, { "id": 2515, "name": "Title match for: Kuksu Nines Title Tournament 7th Cycle", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-06-01T22:05:37Z", "ended": "2009-12-14T08:04:20Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/kuksu_9.png", "player_count": 0, "ranked": true }, { "id": 464, "name": "Piece of eight", "director": { "id": 10173, "username": "Hneite", "country": "no", "icon": "https://secure.gravatar.com/avatar/8b1bfb226de3b056ac91a41ef429776f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1531.458160512167, "deviation": 64.5972667044223, "volatility": 0.06013009007133473 } }, 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"start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2516, "name": "Title match for: Honinbo Nines Title Tournament 2009", "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": "Title match for: Honinbo Nines Title Tournament 2009 (KyuT vs KlausP)", "schedule": null, "title": { "id": 5, "name": "Honinbo Nines Title Tournament", "holder": { "id": 35184, "username": "vitality", "country": "un", "icon": "https://secure.gravatar.com/avatar/17d676429b5c6ec38fb06cf71f8662fa?s=64&d=retro", "ratings": { "version": 5, "overall": { 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"director": { "id": 885292, "username": "T.G", "country": "001", "icon": "https://user-uploads.online-go.com/ce44b8f2de5a3b442c0322da59e57745-64.png", "ratings": { "version": 5, "overall": { "rating": 1005.5463781274477, "deviation": 62.23597745075266, "volatility": 0.060015327732075324 } }, "ranking": 15.04490882050914, "professional": false, "ui_class": "" }, "description": "本次比赛由 “世界华人围棋社团” 举办。", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 33, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8419, "name": "世界华人围棋协会", "summary": "📣📣📣：诚邀世界各地各个水平阶段的棋友们前来一起切磋交流～ 主页含有各类免费围棋资源供大家使用（新手友好）。会内将定期举办各种赛事等活动，祝各位玩得开心！🔥🔥🔥", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, 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