Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=is_open&page=570
{ "count": 59262, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=is_open&page=571", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=is_open&page=569", "results": [ { "id": 47325, "name": "Correspondence 9x9 RoundRobin 2019-04-10 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260405T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-05T19:00:18.080101Z", "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": "2026-04-08T14:00:00Z", "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": "2019-04-10T22:30:06.025629Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-04-10T22:30:08.460835Z", "ended": "2019-04-10T23:45:01.198945Z", "start_waiting": "2019-04-10T22:30:07.982842Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 47334, "name": "转风师门实战交流赛", "director": { "id": 594306, "username": "夏日清风", "country": "cn", "icon": "https://user-uploads.online-go.com/13e1137bc24fc0c2341862ad59f480ca-64.png", "ratings": { "version": 5, "overall": { "rating": 1564.6417928116937, "deviation": 67.4388656206364, "volatility": 0.06001938853724557 } }, "ranking": 25.280122428612586, "professional": false, "ui_class": "" }, "description": "大家互相交流、增长棋力。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 86400, "max_time": 86400, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 3568, "name": "转风师门实战群", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/0a1c7a0e2c54e64c5d4167c53d3b1d0e-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-11T03:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-10T13:31:15.941361Z", "ended": "2019-04-16T03:59:05.012161Z", "start_waiting": "2019-04-10T13:31:15.624115Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/0a1c7a0e2c54e64c5d4167c53d3b1d0e-15.png", "player_count": 3, "ranked": true }, { "id": 56789, "name": "Live 9x9 Double Elimination Tournament 2020-02-21 18:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 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"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": "2020-02-21T18:30:01.017286Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-02-21T18:30:59.533921Z", "ended": "2020-02-21T18:54:24.434505Z", "start_waiting": "2020-02-21T18:30:58.891033Z", "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": 31288, "name": "Sensei no Itte", "director": { "id": 450675, "username": "_Shades_", "country": "us", "icon": 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It doesn't have to be a live review, but it should be completed within a week after the game finishes.\n\nIf you are the lucky recipient of such a review, please be sure to go back and read the review to improve your Go.\n\n\n:D\n\nUnsure of how to conduct a review? Check this out:\n\nhttps://senseis.xmp.net/?Review", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 28800, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. 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