Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-players_start&page=1995
{ "count": 60979, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=1996", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=1994", "results": [ { "id": 125119, "name": "246813579 tournaments", "director": { "id": 1679142, "username": "China the best", "country": "un", "icon": "https://secure.gravatar.com/avatar/a6e9189de77db2bb1204486a4bb1c2d6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 935.7950198811127, "deviation": 68.18608099555254, "volatility": 0.05998469507452644 } }, "ranking": 13.380658192242748, "professional": false, "ui_class": "" }, "description": "wellcome everyone", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 7, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 900 }, "is_open": true, 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"player_count": 6, "ranked": true }, { "id": 125933, "name": "แขแฃแ แแแ แ #2", "director": { "id": 1459143, "username": "Gochadvalii", "country": "ge", "icon": "https://secure.gravatar.com/avatar/91b1714ddc9099ef33e2e3b50fad9a7a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 862.2729030568089, "deviation": 61.66018910994366, "volatility": 0.05996164311354533 } }, "ranking": 11.48641770195639, "professional": false, "ui_class": "" }, "description": "แฌแแ แแแขแแแฃแแ แแแแแจแ แแแแแฌแแแแแแก", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 420, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15109, "name": "แแ แฅแฃแแแแกแจแ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "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": "2025-03-01T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-01T17:00:51.127927Z", "ended": "2025-03-01T18:21:32.176372Z", "start_waiting": "2025-03-01T17:00:51.048892Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 126319, "name": "Go In Tokyo #1", "director": { "id": 1469840, "username": "ใใซใญ", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/2b908fa4a28f1220f9ba80886fc0be62-64.png", "ratings": { "version": 5, "overall": { "rating": 1320.2327578412098, "deviation": 60.539007793718355, "volatility": 0.060000898217998797 } }, "ranking": 21.348121350638976, "professional": false, "ui_class": "" }, "description": "Tournoi hebdomadaire avec Gary et ses amis !", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 52343, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 259200, "max_time": 518400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15155, "name": "GoInTokyo", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/4da99d30c46f359e601d129b911395d6-64.png" }, "auto_start_on_max": false, "time_start": "2025-03-14T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-03-14T07:00:16.473489Z", "ended": "2025-04-20T11:48:04.839818Z", "start_waiting": "2025-03-14T07:00:16.272599Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/4da99d30c46f359e601d129b911395d6-15.png", "player_count": 6, "ranked": true }, { "id": 143472, "name": "Classic W.D.D.T. LXXVII", "director": { "id": 598257, "username": "Lukyn", "country": "cz", "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png", "ratings": { "version": 5, "overall": { "rating": 1093.2339330708626, "deviation": 66.19938421453587, "volatility": 0.059971294509403694 } }, "ranking": 16.980460900225143, "professional": false, "ui_class": "supporter" }, "description": "Classic weekly double death tournament.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 46, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-30T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-30T23:00:32.061425Z", "ended": null, "start_waiting": "2026-08-30T23:00:31.969846Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 8, "ranked": true }, { "id": 141532, "name": "Live 9x9 Double Elimination Tournament 2026-06-24 10:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260909T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-09-09T06:00:35.700567Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-09-09T10:00:00Z", "base_points": "10.0" }, "title": null, 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