Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4979
{ "count": 59734, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4980", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4978", "results": [ { "id": 134183, "name": "9x9 Open League #132", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1266.3339545161286, "deviation": 69.11401413075777, "volatility": 0.0602108012162927 } }, "ranking": 20.383183590549244, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 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": false, "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": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-11-16T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-13T20:02:37.835521Z", "ended": "2026-02-08T03:27:47.808697Z", "start_waiting": "2025-11-13T20:02:37.152290Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 11304, "name": "19x19 Correspondence Double Elimination", "director": { "id": 73549, "username": "gw71", "country": "ca", "icon": "https://user-uploads.online-go.com/32b43d491313439c8ebd3edc1d8e5af2-64.png", "ratings": { "version": 5, "overall": { "rating": 1764.908934271022, "deviation": 65.39020998674364, "volatility": 0.059934975229578163 } }, "ranking": 28.068358949528502, "professional": false, "ui_class": "" }, "description": "Just making one for fun and learning purposes. No handicaps. Fischer 2d + 12h up to 3d so approximately 2 moves per day are required.\n\nTournament is now closed for registration. 96 players in total! Thanks to all who joined. Have fun everyone!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 45120, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 43200 }, "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. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17977, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2015-11-01T20:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 2, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "invite", "started": "2015-11-01T20:00:15.911086Z", "ended": "2017-07-23T01:53:40.473608Z", "start_waiting": "2015-11-01T20:00:14.505891Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 96, "ranked": true }, { "id": 104072, "name": "m-7705903", "director": { "id": 1369731, "username": "m-7705903", "country": "un", "icon": "https://secure.gravatar.com/avatar/1a4f5e0b58df8a30f95731c78683bf7e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "m-7705903", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 90782, "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": 13287, "name": "KB围棋群~", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-06-07T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-06T15:38:10.955720Z", "ended": "2024-12-11T11:40:15.382965Z", "start_waiting": "2024-12-06T15:38:10.897504Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 64297, "name": "優才入門班", "director": { "id": 816378, "username": "邱浚哲", "country": "hk", "icon": "https://user-uploads.online-go.com/6f7e3ec162577f04d8d45bde711a2bed-64.png", "ratings": { "version": 5, "overall": { "rating": 676.8106533454725, "deviation": 69.18709233764596, "volatility": 0.060003197322868435 } }, "ranking": 5.879944578659465, "professional": false, "ui_class": "" }, "description": "13*13", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 6372, "name": "優才入門班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 6, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-08-15T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-15T09:58:37.123089Z", "ended": "2020-09-14T11:40:57.177924Z", "start_waiting": "2020-08-15T09:58:36.884053Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 63943, "name": "hello", "director": { "id": 822850, "username": "omgitsoms", "country": "un", "icon": "https://secure.gravatar.com/avatar/e9cd80a0ac718de359e9bdc333df9d27?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1418.2577077569028, "deviation": 228.06872397849094, "volatility": 0.06000227895712241 } }, "ranking": 23.00614979604758, "professional": false, "ui_class": "provisional" }, "description": "hello", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 6464, "name": "olive", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-08-05T00:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-08-08T19:14:27.907605Z", "ended": "2020-08-13T19:36:38.344368Z", "start_waiting": "2020-08-08T19:14:27.747826Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 65747, "name": "Tompa", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 781.6916230243883, "deviation": 65.15832791465333, "volatility": 0.059924217208339736 } }, "ranking": 9.215136601517967, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 91, "name": "Magyar", "summary": "Hungarian go players", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-09-22T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2020-09-22T08:00:54.224092Z", "ended": "2020-10-13T15:08:15.490394Z", "start_waiting": "2020-09-22T08:00:53.904222Z", "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": 64047, "name": "Friendly London Tournament 2", "director": { "id": 739917, "username": "lcjs", "country": "un", "icon": "https://secure.gravatar.com/avatar/c3cbfb28585b0003250bfb8f82c38c44?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2187.4025301861648, "deviation": 102.79616118068283, "volatility": 0.05998700992510571 } }, "ranking": 33.03671210097233, "professional": false, "ui_class": "" }, "description": "Here we go again!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 67200, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 604800, "stones_per_period": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4552, "name": "London Friendly Go Club", "summary": "A casual group that meets once or twice a year in North London. Last activity: 2020.\n\nTo be added to this group you must have attended in person or be invited by a current member.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/f14c366bb96a6da105a731b126e384a7-64.png" }, "auto_start_on_max": true, "time_start": "2020-08-07T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-08-08T18:27:26.876374Z", "ended": "2020-09-03T22:33:06.215322Z", "start_waiting": "2020-08-08T18:27:26.059575Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f14c366bb96a6da105a731b126e384a7-15.png", "player_count": 4, "ranked": true }, { "id": 64300, "name": "13 13", "director": { "id": 816378, "username": "邱浚哲", "country": "hk", "icon": "https://user-uploads.online-go.com/6f7e3ec162577f04d8d45bde711a2bed-64.png", "ratings": { "version": 5, "overall": { "rating": 676.8106533454725, "deviation": 69.18709233764596, "volatility": 0.060003197322868435 } }, "ranking": 5.879944578659465, "professional": false, "ui_class": "" }, "description": "111111", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 6372, "name": "優才入門班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 6, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-08-15T03:39:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-15T03:39:20.682394Z", "ended": "2020-08-15T03:56:23.097092Z", "start_waiting": "2020-08-15T03:39:20.376183Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 104025, "name": "Correspondence 9x9 RoundRobin 2023-06-06 19:00", "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 Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260520T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-20T19:00:15.943551Z", "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": "2026-05-23T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": "2023-06-06T19:00:59.937491Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-06-06T19:01:30.770182Z", "ended": "2023-06-27T04:00:21.870237Z", "start_waiting": "2023-06-06T19:01:30.050826Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 67935, "name": "Go GryphONS", "director": { "id": 666747, "username": "JamieT", "country": "un", "icon": "https://user-uploads.online-go.com/0c91c820a39f2b21ef13babc3532fa8a-64.png", "ratings": { "version": 5, "overall": { "rating": 1507.300336819689, "deviation": 65.33806251114896, "volatility": 0.05989566544152926 } }, "ranking": 24.415777427329825, "professional": false, "ui_class": "" }, "description": "wqesqasQWADS", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "aga", "time_per_move": 89280, "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": 6878, "name": "GH Go Club", "summary": "Welcome to the GH Go Club! \n\nCheck out our complete guide to the game at https://docs.google.com/document/d/1oUztveF3B-u6Vq_2YtkPusHVzhzn4LOJB6ug9GdGjjs/edit.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 20, "icon": "https://user-uploads.online-go.com/a59f80a1dd78e8c1307e14cc627732db-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-17T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-11-17T16:23:40.864639Z", "ended": "2020-12-01T16:37:58.267073Z", "start_waiting": "2020-11-17T16:23:40.628098Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/a59f80a1dd78e8c1307e14cc627732db-15.png", "player_count": 5, "ranked": true } ] }
