Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1561
{ "count": 59756, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1562", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1560", "results": [ { "id": 44440, "name": "October ,Michigan G.P.", "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": "Winners of monthly tournaments will be invited to yearly championship game", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 26880, "time_control_parameters": { "total_time": 2419200, "time_control": "absolute", "speed": "correspondence", "system": "absolute", "pause_on_weekends": false }, "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": "2019-10-14T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-10-14T11:00:07.259937Z", "ended": "2020-02-23T16:17:57.645350Z", "start_waiting": "2019-10-14T11:00:03.298793Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 7046, "name": "Correspondence 19x19 RoundRobin 2015-04-29 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260524T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-05-24T19:00:16.413509Z", "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": "2026-05-27T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-04-29T01:00:59.636324Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-04-29T01:01:20.700577Z", "ended": "2015-10-03T14:53:24.572059Z", "start_waiting": "2015-04-29T01:01:19.662359Z", "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": 123334, "name": "Handicap Arena 2025 - 001", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1555.8104227451252, "deviation": 66.23322166678231, "volatility": 0.05973548358437876 } }, "ranking": 25.149085803932696, "professional": false, "ui_class": "" }, "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 there are 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": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T12:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T12:00:36.558986Z", "ended": "2025-04-10T07:18:36.906169Z", "start_waiting": "2025-01-01T12:00:36.020513Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 62808, "name": "Ice cream month!!!", "director": { "id": 747694, "username": "kingkaio", "country": "ua", "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png", "ratings": { "version": 5, "overall": { "rating": 1167.6804695413712, "deviation": 62.48738706337885, "volatility": 0.06012577810744558 } }, "ranking": 18.505561177652012, "professional": false, "ui_class": "" }, "description": "July is ice cream month\n\nLong tournament stress free just like ice cream\n\nAnyone can join\n\nWhats your favorite Ice Cream flavor, Mine is cookie monster (cookies and cream with cookie dough). Put it in the chat", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 440640, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 432000, "initial_time": 777600, "max_time": 1814400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5683, "name": "Tournaments Group", "summary": "A group for people who like tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-10T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-07-10T23:00:31.558223Z", "ended": "2021-02-12T15:22:53.575563Z", "start_waiting": "2020-07-10T23:00:31.276440Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png", "player_count": 4, "ranked": true }, { "id": 120017, "name": "Delta-0", "director": { "id": 1585100, "username": "deleted-66b4a315-c303-46ae-90de-e8e37a4c3fa6", "country": "_Pirate", "icon": "https://secure.gravatar.com/avatar/12b30d3eccfef9b34d2a0420bd25bb99?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 815.7450678973728, "deviation": 66.88709288670957, "volatility": 0.06005155078682002 } }, "ranking": 10.202288959673531, "professional": false, "ui_class": "" }, "description": "Первый тестовый турнир!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14585, "name": "Delta Go", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 4, "icon": "https://user-uploads.online-go.com/32c6999fbadddc661789e4b4b63791b6-64.png" }, "auto_start_on_max": false, "time_start": "2024-10-01T07:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "group", "started": "2024-10-01T07:00:58.427696Z", "ended": "2024-12-19T12:14:06.745157Z", "start_waiting": "2024-10-01T07:00:58.364872Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/32c6999fbadddc661789e4b4b63791b6-15.png", "player_count": 3, "ranked": true }, { "id": 116043, "name": "Correspondence 13x13 RoundRobin 2024-05-15 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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260525T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-25T19:00:17.183066Z", "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": "2026-05-28T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2024-05-15T19:00:04.871014Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-15T19:00:07.377394Z", "ended": "2024-08-27T09:10:42.558085Z", "start_waiting": "2024-05-15T19:00:07.282795Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 4, "ranked": true }, { "id": 118912, "name": "Go Like tournament", "director": { "id": 1508661, "username": "Vadim4ik", "country": "ru", "icon": "https://user-uploads.online-go.com/8ae6f8d4e48a541c14a904302d12d04c-64.png", "ratings": { "version": 5, "overall": { "rating": 472.2234118614783, "deviation": 67.5295802169114, "volatility": 0.06042682585189197 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Го турнир для игроков группы Go Like", "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", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14387, "name": "Go Like", "summary": "Group for Go lovers", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/bdc70a6bd645aaca6bcdc9c61710f51e-64.png" }, "auto_start_on_max": false, "time_start": "2024-08-11T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "group", "started": "2024-08-11T04:00:05.963648Z", "ended": "2024-08-27T04:10:13.225996Z", "start_waiting": "2024-08-11T04:00:05.882069Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/bdc70a6bd645aaca6bcdc9c61710f51e-15.png", "player_count": 4, "ranked": true }, { "id": 76272, "name": "Tournament xre2", "director": { "id": 1011455, "username": "That tournament", "country": "un", "icon": "https://secure.gravatar.com/avatar/5d0f097c92cbc973c507af7e2570c00b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1062.635598034288, "deviation": 81.04891348648117, "volatility": 0.05996176180426066 } }, "ranking": 16.32327917785796, "professional": false, "ui_class": "" }, "description": "There free tournemant medals", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 25, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 25 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9442, "name": "Impire To Die.", "summary": "Death Street", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/33e3894409c9a5f239afde6dfaa108ab-64.png" }, "auto_start_on_max": true, "time_start": "2021-06-14T02:52:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-06-14T02:52:52.120797Z", "ended": "2021-06-14T02:54:50.278023Z", "start_waiting": "2021-06-14T02:52:51.993568Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/33e3894409c9a5f239afde6dfaa108ab-15.png", "player_count": 4, "ranked": true }, { "id": 122339, "name": "Correspondence 19x19 RoundRobin 2024-11-19 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 Site-wide Tournament", "schedule": { "id": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260524T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-05-24T19:00:16.413509Z", "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": "2026-05-27T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2024-11-19T19:00:32.750532Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-19T19:01:32.884663Z", "ended": "2025-05-16T11:52:34.886406Z", "start_waiting": "2024-11-19T19:01:32.680283Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 87149, "name": "7 -> 李沛蓮11 -> 陳琛悠", "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": "7 -> 李沛蓮11 -> 陳琛悠", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "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": "2022-03-12T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-03-12T02:57:48.134636Z", "ended": "2022-03-12T03:01:49.842111Z", "start_waiting": "2022-03-12T02:57:48.075465Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }
