Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=1636
{ "count": 59750, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=1637", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=1635", "results": [ { "id": 44292, "name": "Correspondence 9x9 RoundRobin 2019-01-04 01:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260523T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-23T19:00:16.314067Z", "lead_time_seconds": 86400, 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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-25T14:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-12-26T22:30:34.125018Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-12-26T22:30:36.676254Z", "ended": "2018-12-26T23:16:25.879320Z", "start_waiting": "2018-12-26T22:30:36.002187Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 44055, "name": "Live 9x9 Double Elimination Tournament 2018-12-27 02:30", "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:20260525T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-25T10:00:16.660952Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, 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"2018-12-27T02:54:18.833037Z", "start_waiting": "2018-12-27T02:30:51.507777Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 78674, "name": "9x9 Mini Cup", "director": { "id": 366715, "username": "tranqutue", "country": "vn", "icon": "https://secure.gravatar.com/avatar/2ba009af8443a17696d773a7b5a37b43?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1765.5200466508913, "deviation": 74.9483309704527, "volatility": 0.06022475017792113 } }, "ranking": 28.076373415652434, "professional": false, "ui_class": "" }, "description": "Giải cờ vây giao hữu 9x9 CLB cờ vây Dango\nGiới hạn trình độ tham dự: kyu player\nGiải thưởng: Vô địch 200k, nhì 100k, ba tư 50k", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": 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Y a disfrutar de las partidas.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 37920, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 172800, "max_time": 1814400, "time_increment": 36000, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 32, "name": "Spain Go", "summary": "Group for spanish people that want to play Go", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 419, "icon": "https://user-uploads.online-go.com/55563a0bc6005cdf4cde0c413d2c6738-64.png" }, "auto_start_on_max": true, "time_start": "2018-12-09T23:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": 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