Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4370
{ "count": 59202, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4371", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4369", "results": [ { "id": 115014, "name": "9x9 New Zealand 15k-1k League #7", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "15k-1k. 5 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-07T03:10:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-06T07:29:15.887920Z", "ended": "2024-05-11T08:02:15.686150Z", "start_waiting": "2024-05-06T07:29:15.746594Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 39804, "name": "Correspondence 13x13 RoundRobin 2018-08-09 01:00", "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:20260401T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-01T19:00:13.781457Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-04T19:00:00Z", "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": "2018-08-09T01:00:27.240761Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-08-09T01:00:53.568753Z", "ended": "2018-09-14T03:58:56.166159Z", "start_waiting": "2018-08-09T01:00:51.790178Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 90232, "name": "Fast Correspondence 2022-06-02", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1559.075083501533, "deviation": 62.24072936052533, "volatility": 0.0597367213814784 } }, "ranking": 25.19761209745618, "professional": false, "ui_class": "supporter moderator" }, "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2022-06-02T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-02T00:00:44.012729Z", "ended": "2022-06-28T17:53:28.601522Z", "start_waiting": "2022-06-02T00:00:43.476126Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 87761, "name": "Classic W.D.D.T. LIII", "director": { "id": 929191, "username": "EnsoZEN", "country": "cz", "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png", "ratings": { "version": 5, "overall": { "rating": 1463.5820448380764, "deviation": 67.30723430909097, "volatility": 0.06004488935091738 } }, "ranking": 23.734396346844115, "professional": false, "ui_class": "" }, "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": 48, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2022-04-03T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-05T20:22:24.741334Z", "ended": "2022-05-20T07:50:19.416475Z", "start_waiting": "2022-04-05T20:22:24.647248Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 4, "ranked": true }, { "id": 20379, "name": "Correspondence 9x9 RoundRobin 2016-09-04 01:00", "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:20260330T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-30T19:00:11.791375Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-02T19:00:00Z", "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, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-09-04T01:00:55.534703Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-04T01:01:14.465425Z", "ended": "2017-02-02T22:21:25.240690Z", "start_waiting": "2016-09-04T01:01:12.654336Z", "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": 131506, "name": "DDK - SDK Crossroad 13x13 mini tournament I", "director": { "id": 1081052, "username": "Malakia", "country": "be", "icon": "https://user-uploads.online-go.com/c79fd56979d8c75717ce4a3094a39e8e-64.png", "ratings": { "version": 5, "overall": { "rating": 1529.9885935446694, "deviation": 65.86626184996788, "volatility": 0.059965440240615196 } }, "ranking": 24.761640415537734, "professional": false, "ui_class": "" }, "description": "Fast correspondence games for DDK players close to getting into the SDK realm and lower or new SDK players working there way up.\n\n10h per move, you can get up to 7 days, pauses in the weekend, should allow for a decent pace without much risk of timing out. \n\nHave fun!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 40382, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 259200, "max_time": 604800 }, "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. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3650, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-08-28T09:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-26T12:02:59.792375Z", "ended": "2025-09-25T14:51:46.261112Z", "start_waiting": "2025-08-26T12:02:59.659394Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 115220, "name": "Marble game", "director": { "id": 1369671, "username": "s2018046", "country": "un", "icon": "https://secure.gravatar.com/avatar/a2b98ea5517f787f633e744cebad344c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1306.8411548962079, "deviation": 71.83845748023253, "volatility": 0.06004835870268455 } }, "ranking": 21.112103405385184, "professional": false, "ui_class": "" }, "description": "Hey everybody", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 1209600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14201, "name": "Marblefox969", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png" }, "auto_start_on_max": false, "time_start": "2024-06-30T12:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-30T12:00:16.225127Z", "ended": null, "start_waiting": "2024-06-30T12:00:16.085090Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png", "player_count": 8, "ranked": true }, { "id": 90241, "name": "Team D extra", "director": { "id": 1056772, "username": "ycchan", "country": "un", "icon": "https://secure.gravatar.com/avatar/3f757e369adb37ec7025a5ad2b5f4e97?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1190.2513571308164, "deviation": 190.5038148133336, "volatility": 0.060001753666935165 } }, "ranking": 18.948773319697555, "professional": false, "ui_class": "provisional" }, "description": "20/5/2022 extra", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 13, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10281, "name": "STWDCFWMS-TeamD", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-05-20T08:28:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-05-20T08:28:46.941032Z", "ended": "2022-05-20T09:14:17.377092Z", "start_waiting": "2022-05-20T08:28:46.894302Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 126987, "name": "Tournament (cuz the group needs more tournaments)", "director": { "id": 1537216, "username": "Amui", "country": "th", "icon": "https://secure.gravatar.com/avatar/37dc9a9488072f648e9d7ce0ae714606?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 480.7397691607715, "deviation": 75.56134821628072, "volatility": 0.06011311643272109 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Join if you want", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "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": true, "group": { "id": 14868, "name": "Study group 9x9, 13x13, 19x19", "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-31T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-08T03:16:14.244356Z", "ended": "2025-04-23T18:37:16.864964Z", "start_waiting": "2025-04-08T03:16:14.188909Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png", "player_count": 4, "ranked": true }, { "id": 12495, "name": "good luck", "director": { "id": 148855, "username": "SLScraft", "country": "un", "icon": "https://user-uploads.online-go.com/bbf6a8942d6de1a3b70bc7f60f38f54f-64.png", "ratings": { "version": 5, "overall": { "rating": 931.049844681381, "deviation": 79.54299923247758, "volatility": 0.06001028392084275 } }, "ranking": 13.262971881467163, "professional": false, "ui_class": "" }, "description": "have fun for everybody", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 691209, "time_control_parameters": { "time_control": "fischer", "initial_time": 840, "max_time": 691200, "time_increment": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 19, "name": "頑張って”Good Luck\"", "summary": "We are here to help! Ask questions! We wish you luck on your 囲碁（Igo).", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2015-11-17T19:22:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2015-12-31T14:08:45.868974Z", "ended": "2015-12-31T14:36:47.158437Z", "start_waiting": "2015-12-31T14:08:45.776188Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
