Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=2028
{ "count": 59276, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=2029", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=2027", "results": [ { "id": 115442, "name": "Handicap Arena 2024 - 037", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "Part of an arena tournament. 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": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-05T10:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-05T09:56:04.382808Z", "ended": "2024-10-09T16:09:22.447435Z", "start_waiting": "2024-05-05T09:56:03.679194Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 14148, "name": "Correspondence 19x19 RoundRobin 2016-01-22 have fun ! #2", "director": { "id": 109444, "username": "VPshunt", "country": "jp", "icon": "https://user-uploads.online-go.com/70c797283afa9d1b71a708763c8c6051-64.png", "ratings": { "version": 5, "overall": { "rating": 1703.9681645981816, "deviation": 64.16663281633048, "volatility": 0.059838863578554974 } }, "ranking": 27.254883037419365, "professional": false, "ui_class": "" }, "description": "Correspondence 19x19 RoundRobin", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 873, "name": "楽碁倶楽部(Rakugo Club)", "summary": "碁は楽しまないとね", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2016-01-22T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-18T06:23:39.016402Z", "ended": "2016-05-13T23:19:48.418556Z", "start_waiting": "2016-01-18T06:23:37.730908Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 123685, "name": "Correspondance 27/12/2024 19×19 tournament", "director": { "id": 1571128, "username": "ArsaArsa", "country": "tn", "icon": "https://user-uploads.online-go.com/d86f9b11bccfadc4ba384f1aa6854449-64.png", "ratings": { "version": 5, "overall": { "rating": 962.3704045101862, "deviation": 64.8518535872202, "volatility": 0.06017732654607431 } }, "ranking": 14.028926618799872, "professional": false, "ui_class": "" }, "description": "Hi! since live tournaments aren't exactly good for everyone,This week's tournament will be correspondance,good luck and happy holidays too!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": false, "group": { "id": 14869, "name": "ArsaArsa's teaching group", "summary": "\"To Study the self is to forget the self;To forget the self is to be actualized by Myriad things.\" -Dougen Zenji.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/5e0a23f1599bfcc33fb1287c0620456e-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-28T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-28T10:00:34.836634Z", "ended": "2025-06-15T14:58:48.633578Z", "start_waiting": "2024-12-28T10:00:34.727227Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5e0a23f1599bfcc33fb1287c0620456e-15.png", "player_count": 8, "ranked": true }, { "id": 17001, "name": "1st OTL Europe and Asia/Pacific Multi-Day LIVE Tournament", "director": { "id": 203945, "username": "timuzhti", "country": "au", "icon": "https://user-uploads.online-go.com/447482e4d1fddb5ea71da68f3a8a67d7-64.png", "ratings": { "version": 5, "overall": { "rating": 2349.2257971057606, "deviation": 67.61151467333107, "volatility": 0.06014167970887988 } }, "ranking": 34.68895179754466, "professional": false, "ui_class": "supporter" }, "description": "Japanese rules. Time control is 50 moves each every 4 days after 1 hour starting time. Intended for European (10:00) and Asia/Pacific (19:00). Join ONLY if you are available between 10 to 11 UTC time.\n\nBeginners welcome.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 6952, "time_control_parameters": { "time_control": "canadian", "period_time": 345600, "main_time": 3600, "stones_per_period": 50 }, "is_open": true, "exclude_provisional": false, "group": { "id": 865, "name": "OGS Teaching Ladder", "summary": "Teach the weaker, learn from the stronger", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 654, "icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-64.png" }, "auto_start_on_max": false, "time_start": "2016-04-30T10:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-04T11:27:48.902075Z", "ended": "2016-05-22T07:37:25.787503Z", "start_waiting": "2016-05-04T11:27:48.830142Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-15.png", "player_count": 4, "ranked": true }, { "id": 115676, "name": "Blitz 19x19 Elimination Tournament 2024-05-03 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260409T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-09T05:00:04.633356Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-09T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-05-03T21:30:00.662095Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-05-03T21:30:53.023456Z", "ended": "2024-05-03T21:48:13.845481Z", "start_waiting": "2024-05-03T21:30:52.861965Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 115116, "name": "Go Zodiac Friendship Games Online ราศีเมษ รุ่น D2 กระดาน 19x19 (5-8 คิว)", "director": { "id": 912070, "username": "cp04", "country": "un", "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png", "ratings": { "version": 5, "overall": { "rating": 1171.5681194823871, "deviation": 275.0962226815631, "volatility": 0.06000797391824347 } }, "ranking": 18.58250826178468, "professional": false, "ui_class": "provisional" }, "description": "Go Zodiac Friendship Games Online ราศีเมษ รุ่น D2 กระดาน 19x19 (5-8 คิว)", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10406, "name": "Zodiac กลุ่ม D(5-8 คิว)", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 337, "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png" }, "auto_start_on_max": false, "time_start": "2024-04-26T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2024-04-26T10:00:25.220677Z", "ended": "2024-04-26T11:54:41.413725Z", "start_waiting": "2024-04-26T10:00:25.006989Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png", "player_count": 15, "ranked": true }, { "id": 114283, "name": "Handicap Arena 2024 - 028", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 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": "2024-03-28T23:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-28T06:16:43.841557Z", "ended": "2024-04-26T11:19:00.063994Z", "start_waiting": "2024-03-28T06:16:43.657922Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 3127, "name": "Learn Go Week Beginner Tournament - 19x19 - Saturday, September 20", "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": "###Starting Time is: Saturday, September 20, 23:30 UTC\n###<a href=\"http://www.wolframalpha.com/input/?i=20.+September+23%3A30+UTC+in+my+local+time\">When is that in my local time?</a>\n###This Tournament is Part of the Learn Go Week!\n\n##<a href=\"http://forums.online-go.com/t/learn-go-week-september-13-september-20/1589\">Check out the Learn Go Week info!</a>", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "time_control": "fischer", "initial_time": 600, "max_time": 600, "time_increment": 10 }, "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": 14, "analysis_enabled": false, "exclusivity": "open", "started": "2014-09-20T23:34:56.813257Z", "ended": "2014-09-21T02:06:08.917325Z", "start_waiting": "2014-09-20T23:34:56.460100Z", "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": 17828, "name": "Live 19x19 Swiss Tournament 2016-05-29 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260409T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-09T04:00:04.673862Z", "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": "2026-04-09T08:00:00Z", "base_points": "10.0" }, "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": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-05-29T20:30:58.940539Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-05-29T20:31:00.464578Z", "ended": "2016-05-29T21:53:41.738473Z", "start_waiting": "2016-05-29T20:31:00.343967Z", "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": 17798, "name": "Live 19x19 Swiss Tournament 2016-05-28 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260409T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-09T04:00:04.673862Z", "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": "2026-04-09T08:00:00Z", "base_points": "10.0" }, "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": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-05-28T20:30:45.030755Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-05-28T20:30:46.578147Z", "ended": "2016-05-28T22:46:43.597347Z", "start_waiting": "2016-05-28T20:30:46.467513Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true } ] }
