Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1897
{ "count": 59169, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1898", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1896", "results": [ { "id": 98320, "name": "Correspondence 13x13 RoundRobin 2022-12-28 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260329T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-29T19:00:12.794003Z", 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"subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "group", "started": "2021-05-05T10:00:04.707033Z", "ended": "2021-06-19T05:03:27.474659Z", "start_waiting": "2021-05-05T10:00:04.361677Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/47a010897c31ed8892e6ab2f728df2e4-15.png", "player_count": 5, "ranked": true }, { "id": 99853, "name": "super go", "director": { "id": 1269895, "username": "Cybèle", "country": "150", "icon": "https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png", "ratings": { "version": 5, "overall": { "rating": 863.8335028553679, "deviation": 65.98550318269317, "volatility": 0.060476089188204726 } }, "ranking": 11.528278267512311, "professional": false, "ui_class": "" }, "description": "super cool", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12279, "name": "Les Génies - Club de Go Suisse (Coinsins) et France (Moissac)", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 97, "icon": "https://user-uploads.online-go.com/3a4d1df61959a49c01c9ffc5aff5eb6d-64.png" }, "auto_start_on_max": false, "time_start": "2023-02-07T13:47:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-02-07T13:47:02.407951Z", "ended": "2023-02-07T15:30:16.287266Z", "start_waiting": "2023-02-07T13:47:02.306733Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3a4d1df61959a49c01c9ffc5aff5eb6d-15.png", "player_count": 2, "ranked": true }, { "id": 102217, "name": "9x9 Mini League 10k-25k #146", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1307.6702706318495, "deviation": 68.63718845989344, "volatility": 0.060204824930501735 } }, "ranking": 21.126786095035047, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-04-23T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-17T16:00:33.168169Z", "ended": "2023-05-06T23:58:23.582258Z", "start_waiting": "2023-04-17T16:00:33.025155Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 26818, "name": "Ygert's 1st Double Digit Kyu Tournament", "director": { "id": 24550, "username": "Ygert", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/01cabd218f24bf1d5d9040264c64a6f9?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1453.2072313268254, "deviation": 63.11183210118382, "volatility": 0.059847909290211006 } }, "ranking": 23.56970982139525, "professional": false, "ui_class": "" }, "description": "Tournament for Double Digit Kyu Players", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "period_time": 30, "main_time": 600, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 5, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. 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"slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-30T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-03-27T19:00:19.324172Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-27T19:01:21.589252Z", "ended": "2021-05-05T15:18:34.996093Z", "start_waiting": "2021-03-27T19:01:19.409018Z", "board_size": 9, "active_round": null, "icon": 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