Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=895
{ "count": 59520, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=896", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=894", "results": [ { "id": 119036, "name": "Correspondence 19x19 RoundRobin 2024-08-12 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 Site-wide Tournament", "schedule": { "id": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260427T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-27T19:00:35.076545Z", 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"min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-03-11T02:00:44.837868Z", "ended": "2026-03-11T03:04:58.864843Z", "start_waiting": "2026-03-11T02:00:44.646804Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/57db5270e896a55701c1bbb4722f9cfa-15.png", "player_count": 4, "ranked": true }, { "id": 88468, "name": "หัดเล่น", "director": { "id": 1141479, "username": "ชัยเชษฐ จิตตศักดิ์", "country": "un", "icon": "https://secure.gravatar.com/avatar/ed5be70a546fcdf321a85242cebe8c02?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1153.8931351466265, "deviation": 160.37671791328475, "volatility": 0.060013871276033894 } }, "ranking": 18.230592042024295, "professional": false, "ui_class": "provisional" }, "description": "มาเลย", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 9094, "name": "PCG 2021", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 206, "icon": "https://user-uploads.online-go.com/4015630728c97c57801ce2f2d71705ae-64.png" }, "auto_start_on_max": false, "time_start": "2022-04-09T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-20T02:12:35.754351Z", "ended": "2024-06-15T00:05:20.777747Z", "start_waiting": "2024-03-20T02:12:35.635608Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/4015630728c97c57801ce2f2d71705ae-15.png", "player_count": 4, "ranked": true }, { "id": 134440, "name": "Correspondence 19x19 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36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-30T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-11-17T19:00:05.438297Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-17T19:00:06.133596Z", "ended": null, "start_waiting": "2025-11-17T19:00:05.510677Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 116588, "name": "แสนแสบครั้งที่ 10", "director": { "id": 1024138, "username": "jindas123", "country": "un", "icon": "https://secure.gravatar.com/avatar/8851a627382853af8d7c90888b2ca686?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 708.2048425865, "deviation": 63.46972439551683, "volatility": 0.060177609893441876 } }, "ranking": 6.929607910922064, "professional": false, "ui_class": "" }, "description": "แสนแสบครั้งที่ 10", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 9818, "name": "หมากล้อมแสนแสบ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 39, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-05-30T12:30:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2024-05-30T12:30:53.912197Z", "ended": "2024-06-11T12:31:34.451213Z", "start_waiting": "2024-05-30T12:30:53.805191Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 59845, "name": "Alex Is the Legend", "director": { "id": 729505, "username": "alexthelegend", "country": "us", "icon": "https://user-uploads.online-go.com/931ed75fe0f03081ab93ef90afda81e2-64.png", 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