Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=is_open&page=5424
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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": "2026-03-29T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2024-12-17T22:30:54.517235Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-17T22:31:54.590380Z", "ended": "2024-12-17T22:48:54.857545Z", "start_waiting": "2024-12-17T22:31:54.519585Z", "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": 90287, "name": "6º Tournament in Memory of Hans Reinhard Pietsch", "director": { "id": 177197, "username": "Go Sertão", "country": "br", "icon": "https://user-uploads.online-go.com/c40214b15b251afaa9a1da99f96c4d25-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.0223858139047, "deviation": 69.15840186982375, "volatility": 0.0593565980628611 } }, "ranking": 21.097594798578587, "professional": false, "ui_class": "" }, "description": "https://en.wikipedia.org/wiki/Hans_Pietsch", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 143, "name": "Deutsche Gruppe", "summary": "Die Gruppe für alle Deutschsprachigen.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 764, "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-64.png" }, "auto_start_on_max": false, "time_start": "2022-09-27T04:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-27T04:00:25.715501Z", "ended": "2024-12-18T00:45:19.777957Z", "start_waiting": "2022-09-27T04:00:24.328631Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-15.png", "player_count": 119, "ranked": true }, { "id": 138718, "name": "第一届 “天马杯”棋圣赛", "director": { "id": 1250228, "username": "Xuan Tian", "country": "my", "icon": "https://secure.gravatar.com/avatar/80dc35d1767b37d01fdf02be62fa5602?s=64&d=retro", "ratings": { 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"subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 129150, "name": "cgggcnfggnfgnhfdndfhnmngfhhdhdthgdggdxfgdfsggsfgzfsgg", "director": { "id": 1769328, "username": "gertgegreg", "country": "un", "icon": "https://secure.gravatar.com/avatar/6dfa39c4c4cce3d86ea0dbe919b44ed2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1282.2617613302161, "deviation": 113.62547030823282, "volatility": 0.06000894734729132 } }, "ranking": 20.67254570959296, "professional": false, "ui_class": "" }, "description": "grrsefgaegtaertaertqerteqrt", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "ing", "time_per_move": 88451, "time_control_parameters": { "system": 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