Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=880
{ "count": 59437, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_per_move&page=881", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_per_move&page=879", "results": [ { "id": 38823, "name": "Correspondence 19x19 RoundRobin 2018-07-06 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260421T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-21T19:00:38.798116Z", "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": "2026-04-24T19:00:00Z", "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": "2018-07-06T01:00:36.534559Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-06T01:01:09.145089Z", "ended": "2018-09-02T21:29:53.215817Z", "start_waiting": "2018-07-06T01:01:07.117151Z", "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": 85113, "name": "3rd International Mandelbrot Cup", "director": { "id": 527014, "username": "deleted-fae04c4c-3738-4477-a91f-f0435f893e32", "country": "gb", "icon": "https://user-uploads.online-go.com/b243196be54f7c40b369dcf90670360e-64.png", "ratings": { "version": 5, "overall": { "rating": 1043.6976545990792, "deviation": 69.08991620947712, "volatility": 0.05998374323037165 } }, "ranking": 15.90698683292563, "professional": false, "ui_class": "" }, "description": "In honour of Benoit Mandelbrot a mathematician famous for the Mandelbrot set. The Mandelbrot set is one of the most beautiful bits of maths showing all values of c in which the corresponding Julia set of z->z^2+c is connected.\n\n…maybe our games of Go demonstrate something of the fractal properties that we see in the Mandelbrot set.\n\nThis cup has moved from the UK group to here.\nWho has what it takes to hold the third title!\n\nJoin in and have fun.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 345600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2748, "name": "English Go Clan", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/74aca6b5e68bc9cae703988a2219d093-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-24T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-24T20:00:42.307776Z", "ended": "2022-12-02T18:04:12.709729Z", "start_waiting": "2022-01-24T20:00:41.248578Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/74aca6b5e68bc9cae703988a2219d093-15.png", "player_count": 17, "ranked": true }, { "id": 28352, "name": "Sunjang Newbie Delight", "director": { "id": 119297, "username": "copacetic", "country": "um", "icon": "https://user-uploads.online-go.com/4810db6f708092adf6304eb517e4e2b1-64.png", "ratings": { "version": 5, "overall": { "rating": 1539.0243920322002, "deviation": 64.27238683085294, "volatility": 0.05974487119793431 } }, "ranking": 24.89795742715215, "professional": false, "ui_class": "" }, "description": "You must follow the standard opening described in the following diagram <a href=\"http://i.imgur.com/vdZ0oLB.png?1\"> SUNJANG START</a>\n\nBefore the game starts, Black must write \"SUNJANG BADUK\" in the game chat.\n\nA detailed explanation can be found on the <a href=\"http://senseis.xmp.net/?SunjangBadukTournamentAtOGS\">tournament pages.</a>", "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": 142, "name": "Sunjang Baduk - 순장바둑", "summary": "For those who would like to play Sunjang Baduk, a form of Go which was popular in Korea (Joseon) through the 16th century.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 197, "icon": "https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-64.png" }, "auto_start_on_max": false, "time_start": "2017-08-08T00:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2017-08-08T00:01:02.763659Z", "ended": "2019-02-05T05:03:53.074754Z", "start_waiting": "2017-08-08T00:01:00.049843Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png", "player_count": 20, "ranked": true }, { "id": 96159, "name": "Correspondence 13x13 RoundRobin 2022-10-29 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260422T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-22T19:00:40.180518Z", "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": "2026-04-25T19:00:00Z", "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": "2022-10-29T19:00:28.035741Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-10-29T19:01:27.769944Z", "ended": "2022-12-11T20:04:28.045117Z", "start_waiting": "2022-10-29T19:01:27.356789Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 54615, "name": "Correspondence 19x19 RoundRobin 2019-12-10 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:20260421T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-21T19:00:38.798116Z", "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": "2026-04-24T19:00:00Z", "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": "2019-12-10T19:00:22.583784Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-12-10T19:00:29.530163Z", "ended": "2020-04-02T22:25:51.017799Z", "start_waiting": "2019-12-10T19:00:24.504892Z", "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": 96655, "name": "6k-12k Double Elmnt. on 13x13", "director": { "id": 1185877, "username": "TranBao", "country": "vn", "icon": "https://user-uploads.online-go.com/67d7d186b94fc74fe63b005140aead0c-64.png", "ratings": { "version": 5, "overall": { "rating": 1072.122937133883, "deviation": 64.7325665036948, "volatility": 0.0600871605423352 } }, "ranking": 16.529047973293306, "professional": false, "ui_class": "" }, "description": "Tournament for the range of 6k-12k is rare so here is one. Board size is 13x13 so the tournament will reach its conclusion soon. Have fun learning from each other.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 259200, "period_time": 86400, "periods": 5 }, "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": 17912, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2022-11-12T14:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 18, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2022-11-12T14:00:13.644848Z", "ended": "2023-01-16T20:30:30.539018Z", "start_waiting": "2022-11-12T14:00:13.546694Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 38011, "name": "Correspondence 13x13 RoundRobin 2018-06-10 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:20260422T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-22T19:00:40.180518Z", "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": "2026-04-25T19:00:00Z", "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": "2018-06-10T01:00:48.557355Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-10T01:01:12.705214Z", "ended": "2018-07-06T11:21:19.626702Z", "start_waiting": "2018-06-10T01:01:12.026487Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 37174, "name": "13 squared - 2018", "director": { "id": 6489, "username": "folly", "country": "au", "icon": "https://user-uploads.online-go.com/55bf20f8c369818205f9fd89a6f30687-64.png", "ratings": { "version": 5, "overall": { "rating": 1153.5384440115931, "deviation": 65.40421445201942, "volatility": 0.05994538637023112 } }, "ranking": 18.223474951389964, "professional": false, "ui_class": "" }, "description": "13 x 13 tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 58, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2018-05-18T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-18T23:00:05.051724Z", "ended": "2018-07-07T21:51:03.501223Z", "start_waiting": "2018-05-18T23:00:04.646806Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 61089, "name": "Something to keep you entertained II (I didn't do the McMahon bars properly on the first one)", "director": { "id": 739236, "username": "Anorak_", "country": "kz", "icon": "https://user-uploads.online-go.com/9c678487fe92dce0d985cd44dc012213-64.png", "ratings": { "version": 5, "overall": { "rating": 893.7277695840772, "deviation": 67.43938846808102, "volatility": 0.06005987068570491 } }, "ranking": 12.315868475723217, "professional": false, "ui_class": "" }, "description": "What the name says (again)", "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": 4456, "name": "Our Go House", "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 160, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-10T18:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-06-10T18:00:35.012720Z", "ended": "2022-12-10T21:27:42.396643Z", "start_waiting": "2020-06-10T18:00:32.068424Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png", "player_count": 43, "ranked": true }, { "id": 46713, "name": "Correspondence 19x19 RoundRobin 2019-03-21 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:20260421T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-21T19:00:38.798116Z", "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": "2026-04-24T19:00:00Z", "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": "2019-03-21T19:00:18.816405Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-03-21T19:00:57.620540Z", "ended": "2019-12-02T10:35:59.393866Z", "start_waiting": "2019-03-21T19:00:54.433239Z", "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 } ] }