Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5714
{ "count": 59519, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5715", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5713", "results": [ { "id": 3156, "name": "Title match for: Kuksu Nines Title Tournament 18th Cycle", "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": "Title match for: Kuksu Nines Title Tournament 18th Cycle (drmwc vs pollemand)", "schedule": null, "title": { "id": 8, "name": "Kuksu Nines Title Tournament", "holder": { "id": 40094, "username": "pollemand", "country": "dk", "icon": "https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png", "ratings": { "version": 5, "overall": { "rating": 2171.89178460396, "deviation": 69.05182806949152, "volatility": 0.060035483123523053 } }, "ranking": 32.87197200792104, "professional": false, "ui_class": "" }, "rules": "japanese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_title", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-09-01T02:31:32.074260Z", "ended": "2014-12-16T14:46:36.762580Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/kuksu_9.png", "player_count": 0, "ranked": true }, { "id": 59562, "name": "Blitz 13x13 Swiss Tournament 2020-04-24 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260429T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-29T19:00:48.862358Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-04-29T23:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-04-24T19:30:27.982817Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-24T19:30:30.567539Z", "ended": "2020-04-24T20:25:09.285019Z", "start_waiting": "2020-04-24T19:30:29.129881Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 12, "ranked": true }, { "id": 123954, "name": "Open Instrumentalka Double Elimination Weekly Challenge", "director": { "id": 1592033, "username": "AlBrickHead", "country": "pt", "icon": "https://user-uploads.online-go.com/9a0df216d2bfe55ea10e6651e9028255-64.png", "ratings": { "version": 5, "overall": { "rating": 1376.2813265173027, "deviation": 71.69861389848171, "volatility": 0.06004473833129476 } }, "ranking": 22.310631638656087, "professional": false, "ui_class": "" }, "description": "Open Instrumentalka Weekly Challenge", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 44, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14897, "name": "Instrumentalka TLT GO", "summary": "Школа Го Тольятти", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": true, "member_count": 22, "icon": "https://user-uploads.online-go.com/b20509fb8391207640e76bc21aa8ab74-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-05T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-05T15:00:36.932711Z", "ended": "2025-01-05T18:58:15.237917Z", "start_waiting": "2025-01-05T15:00:36.798219Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/b20509fb8391207640e76bc21aa8ab74-15.png", "player_count": 12, "ranked": true }, { "id": 3153, "name": "Sitewide September 2014 SDKs Live 19x19 - 28. September", "director": { "id": 57612, "username": "Françisa", "country": "de", "icon": "https://user-uploads.online-go.com/9fd5436e7cf3ca679e5109e3698851a0-64.png", "ratings": { "version": 5, "overall": { "rating": 1593.5322236187249, "deviation": 66.13896034607907, "volatility": 0.060198411935194394 } }, "ranking": 25.70367865236043, "professional": false, "ui_class": "" }, "description": "•••\n\n### Starting Time is: Sunday, September 28, 18:05 UTC/GMT.\n\n### Please make sure to read the F.A.Q.: http://goo.gl/noU9QQ\n\n•••\n\n### When is 18:05 in my local time?\n### http://www.wolframalpha.com/input/?i=18%3A05+UTC+in+my+local+time", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2014-09-28T18:08:34.856153Z", "ended": "2014-09-28T20:52:53.362931Z", "start_waiting": "2014-09-28T18:08:34.340227Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 0, "ranked": true }, { "id": 105871, "name": "Monday Morning 19x19 #14", "director": { "id": 1246361, "username": "katonal_edu", "country": "hu", "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png", "ratings": { "version": 5, "overall": { "rating": 1482.4218691165722, "deviation": 66.99404105360328, "volatility": 0.06001699194390396 } }, "ranking": 24.030490914607018, "professional": false, "ui_class": "" }, "description": "To have a good start of the week you need to join this 19x19 #14 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Thanks in advance for participating. Have fun! Enjoy it!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 87768, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12889, "name": "Monday Morning", "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 47, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-04T08:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-04T08:00:11.396275Z", "ended": "2024-12-27T08:32:50.467650Z", "start_waiting": "2023-09-04T08:00:11.208169Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png", "player_count": 22, "ranked": true }, { "id": 690, "name": "odilo's mini-tournament", "director": { "id": 23534, "username": "odilo", "country": "un", "icon": "https://secure.gravatar.com/avatar/a280d023f0b8970aaec354d11b55aa00?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1259.1697691530774, "deviation": 67.98859504176583, "volatility": 0.06001806175266714 } }, "ranking": 20.251842397524285, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 4, "analysis_enabled": false, "exclusivity": "open", "started": "2009-05-02T19:12:59Z", "ended": "2009-05-02T17:12:59Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2841, "name": "2nd 9x9 Under 20kyu Competition", "director": { "id": 52052, "username": "ST000MA", "country": "rs", "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1773.7204734712398, "deviation": 64.7543915421217, "volatility": 0.06233350490466346 } }, "ranking": 28.18365079311867, "professional": false, "ui_class": "" }, "description": "Starts on Wednesday 19.3.2014. at 15:00 UTC. Two moves per day. All players start with 0 points (no McMahon bar).", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "aga", "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": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2014-03-21T23:21:59.096066Z", "ended": "2014-10-04T19:37:48.849915Z", "start_waiting": "2014-03-21T23:21:56.832007Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 101912, "name": "Live 19x19 Swiss Tournament 2023-04-06 08:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260429T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-29T20:00:48.701892Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-04-30T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-04-06T08:30:53.073698Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-04-06T08:30:54.601663Z", "ended": "2023-04-06T10:08:44.688838Z", "start_waiting": "2023-04-06T08:30:54.424293Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 3154, "name": "Sitewide September 2014 DDKs Live 19x19 - 28. September", "director": { "id": 57612, "username": "Françisa", "country": "de", "icon": "https://user-uploads.online-go.com/9fd5436e7cf3ca679e5109e3698851a0-64.png", "ratings": { "version": 5, "overall": { "rating": 1593.5322236187249, "deviation": 66.13896034607907, "volatility": 0.060198411935194394 } }, "ranking": 25.70367865236043, "professional": false, "ui_class": "" }, "description": "•••\n\n### Starting Time is: Sunday, September 28, 18:05 UTC/GMT.\n\n### Please make sure to read the F.A.Q.: http://goo.gl/noU9QQ\n\n•••\n\n### When is 18:05 in my local time?\n### http://www.wolframalpha.com/input/?i=18%3A05+UTC+in+my+local+time", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2014-09-28T18:08:33.075380Z", "ended": "2014-09-28T20:25:26.883060Z", "start_waiting": "2014-09-28T18:08:32.579422Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 0, "ranked": true }, { "id": 3179, "name": "European Weekly Cup 13x13 SDK and Dan Sunday, 28.9.2014. 13:30 UTC", "director": { "id": 52052, "username": "ST000MA", "country": "rs", "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1773.7204734712398, "deviation": 64.7543915421217, "volatility": 0.06233350490466346 } }, "ranking": 28.18365079311867, "professional": false, "ui_class": "" }, "description": "For more information see [European Tournament Group page](http://online-go.com/group/326).", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 44, "time_control_parameters": { "time_control": "byoyomi", "period_time": 40, "main_time": 420, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 326, "name": "European Weekly Cup", "summary": "Our goal is to provide tournaments with a schedule oriented for european players. Non-european players are welcome !!!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 253, "icon": "https://user-uploads.online-go.com/6811f1a03590402ce5debeda4cb7b2f7-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 21, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-09-28T13:29:46.155914Z", "ended": "2014-09-28T14:12:35.636589Z", "start_waiting": "2014-09-28T13:29:45.952197Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6811f1a03590402ce5debeda4cb7b2f7-15.png", "player_count": 0, "ranked": true } ] }