Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1976
{ "count": 59231, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1977", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1975", "results": [ { "id": 82546, "name": "SDK Small Round Robin", "director": { "id": 308797, "username": "Lys", "country": "it", "icon": "https://user-uploads.online-go.com/5ccab3d1d5a7f9e6ecef1437a840a10d-64.png", "ratings": { "version": 5, "overall": { "rating": 1478.1151812072278, "deviation": 62.88757774290636, "volatility": 0.059780427771688786 } }, "ranking": 23.96313834057522, "professional": false, "ui_class": "" }, "description": "Fast correspondence. \nIf one player is quick as a bot, the other must play two moves a day to keep his time full.\nSix players: five simultaneous games. It's a small tournament 😄\nStart when full. \nAutomatic handicap. No-one likes to crush weaker players nor to be crushed by stronger. \nOnly SDK.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "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": true, "time_start": "2021-11-15T22:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-15T23:09:06.620599Z", "ended": "2022-01-22T22:12:25.679929Z", "start_waiting": "2021-11-15T23:09:06.193709Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 6, "ranked": true }, { "id": 125030, "name": "Handicap Arena 2025 - 009", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1100.204091598003, "deviation": 64.01934733662408, "volatility": 0.06006973987863595 } }, "ranking": 17.127590393947607, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": true, "group": { "id": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-02-06T18:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-06T15:36:01.167360Z", "ended": "2025-06-23T10:41:54.890944Z", "start_waiting": "2025-02-06T15:36:00.502132Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 47436, "name": "Correspondence 19x19 RoundRobin 2019-04-14 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260403T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-03T19:00:26.958080Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-04-06T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-04-14T19:00:27.698687Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-14T19:01:02.635246Z", "ended": "2019-09-13T20:51:12.325746Z", "start_waiting": "2019-04-14T19:00:59.527523Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 125960, "name": "What is your baduk style?", "director": { "id": 1710368, "username": "deleted-a78034f6-e072-4e22-87db-12535f220c5a", "country": "zz", "icon": "https://user-uploads.online-go.com/e5710f3e15ec7bbbbde357b719923759-64.png", "ratings": { "version": 5, "overall": { "rating": 630.8918800007385, "deviation": 77.00241085670349, "volatility": 0.059993781373019056 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "I want to see your badukdu style. Show off your amazing skills. Whatever you do, you are right. However, artificial intelligence does not work.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 825, "name": "И Го и жизнь похожи, хорошо играть нужно и там и там!", "summary": "Обучение игре Го - Russian", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 317, "icon": "https://user-uploads.online-go.com/1a6879af9ec778776e4aeec6ad2350c0-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-07T05:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-02T13:47:15.356739Z", "ended": "2025-05-27T03:04:41.861549Z", "start_waiting": "2025-03-02T13:47:15.176141Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1a6879af9ec778776e4aeec6ad2350c0-15.png", "player_count": 6, "ranked": true }, { "id": 47445, "name": "1st Annual 420 Stoned Go Club Tournament", "director": { "id": 351812, "username": "Comrade SeeRed", "country": "_United_Federation_of_Planets", "icon": "https://user-uploads.online-go.com/521a647702b40991e391076550b6ad88-64.png", "ratings": { "version": 5, "overall": { "rating": 1372.0631506874806, "deviation": 64.87804349370514, "volatility": 0.059889166017951134 } }, "ranking": 22.23957006107964, "professional": false, "ui_class": "" }, "description": "Remember: playing sober is frowned upon. Have fun!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1119, "name": "Stoned Go", "summary": "A group for stoners who play stones whiled stoned.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/3189ed15c3bc3d410c011db0ea0fd43b-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-20T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-20T04:00:15.548387Z", "ended": "2020-01-30T15:41:47.188137Z", "start_waiting": "2019-04-20T04:00:14.950441Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3189ed15c3bc3d410c011db0ea0fd43b-15.png", "player_count": 12, "ranked": true }, { "id": 45710, "name": "1st Continental Go World Cup-Final Phase: Category 19-15k", "director": { "id": 48251, "username": "Mitsunari", "country": "fr", "icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png", "ratings": { "version": 5, "overall": { "rating": 1597.9196902071944, "deviation": 64.24863349086382, "volatility": 0.06031751400741592 } }, "ranking": 25.76732987960941, "professional": false, "ui_class": "" }, "description": "Hello,\n\nThe winner of this tournament will be our 1st World Champion: Category 19-15k. Do your best and have fun :)", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 59520, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 57600, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2514, "name": "Continental and World Go Cups Group", "summary": "You want to become World Champion or a Continental champion? Join us :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 525, "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png" }, "auto_start_on_max": true, "time_start": "2019-06-29T22:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2019-06-18T07:31:30.102064Z", "ended": "2019-07-17T23:30:32.160271Z", "start_waiting": "2019-06-18T07:31:29.490922Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png", "player_count": 4, "ranked": true }, { "id": 80593, "name": "2021/22圍棋校隊第一次循環賽", "director": { "id": 1044601, "username": "senseihk", "country": "un", "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2326.49766407098, "deviation": 249.480229604016, "volatility": 0.060008490664285076 } }, "ranking": 34.463891257409, "professional": false, "ui_class": "provisional" }, "description": "每堂圍棋校隊上課時進行一輪比賽, 缺席者自動判負.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 26880, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10177, "name": "SGA-Tournament", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 42, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-09-27T16:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-09-26T15:40:41.648028Z", "ended": "2022-02-09T23:59:01.776792Z", "start_waiting": "2021-09-26T15:40:41.426680Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 97032, "name": "黃穎兒Silvia 黃星澄Sofie", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "黃穎兒Silvia\n黃星澄Sofie", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-11-21T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-11-21T06:45:49.396672Z", "ended": "2022-11-21T07:21:56.837072Z", "start_waiting": "2022-11-21T06:45:49.325799Z", "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": 138219, "name": "Correspondence 9x9 RoundRobin 2026-03-13 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 Site-wide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260402T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-02T19:00:15.771573Z", "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": "2026-04-05T19:00:00Z", "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": "2026-03-13T19:00:10.472309Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-13T19:00:11.172513Z", "ended": null, "start_waiting": "2026-03-13T19:00:10.813241Z", "board_size": 9, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 47669, "name": "May smallboard 9", "director": { "id": 467165, "username": "MummRa", "country": "us", "icon": "https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png", "ratings": { "version": 5, "overall": { "rating": 1247.96548084978, "deviation": 64.85752922715939, "volatility": 0.06002061271498367 } }, "ranking": 20.044928150690506, "professional": false, "ui_class": "" }, "description": "Monthly winners will be invited to yearly championship game.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "aga", "time_per_move": 87840, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 129600, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 306, "name": "Michigan Go Players", "summary": "For Players from all over Michigan", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 88, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-05-16T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-05-16T20:33:33.556679Z", "ended": "2019-06-14T18:56:51.969855Z", "start_waiting": "2019-05-16T20:33:32.733220Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
