Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=1333
{ "count": 59466, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=1334", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=1332", "results": [ { "id": 35260, "name": "Correspondence 9x9 RoundRobin 2018-03-10 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260222T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-02-22T19:00:40.558276Z", 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}, { "id": 125327, "name": "Correspondence 13x13 RoundRobin 2025-02-12 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260224T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-02-24T19:00:41.959575Z", "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": "2026-02-27T19:00:00Z", "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": "2025-02-12T19:00:24.695602Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-12T19:00:25.460101Z", "ended": "2025-03-29T13:07:10.799380Z", "start_waiting": "2025-02-12T19:00:24.881609Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 15891, "name": "Kyu level blitz", "director": { "id": 202160, "username": "Lalaka", "country": "_Pirate", "icon": "https://secure.gravatar.com/avatar/b62e8ddace1aa52b91cbcf0a2ab02075?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1551.750329506008, "deviation": 61.123040051273826, "volatility": 0.060019086018141314 } }, "ranking": 25.088593849335574, "professional": false, "ui_class": "" }, "description": "Kyu level blitz", "schedule": null, "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": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8846, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2016-03-21T00:25:00Z", "players_start": 20, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2016-03-25T18:27:45.321018Z", "ended": "2016-03-25T19:33:03.532814Z", "start_waiting": "2016-03-25T18:27:44.900301Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 20, "ranked": true }, { "id": 120652, "name": "SunRise from East", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "πππ\n\n<h3><a Href=\"https://online-go.com/group/13797\"><span style=\"color:gold;\"><u> Go advance forward forever<a Href=\"https://online-go.com/group/13797\">welcome to join</u>\n</a></h3>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/2HoTK_Gqi2Q\"width=\"320\" height=\"180\">\n</p>", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "chinese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 13797, "name": " ζ ι΄ε€η’ζ―ε Go Advance forward forever", "summary": "ζ¬’θΏε΄ζ£η±ε₯½θ ζ₯ε°ε±δΊζ¨ηεε°\n\n\n In Your π Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 495, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": true, "time_start": "2024-10-01T08:00:00Z", "players_start": 9, "first_pairing_method": "slaughter", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-10-01T08:00:58.694043Z", "ended": null, "start_waiting": "2024-10-01T08:00:58.448685Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 19, "ranked": true }, { "id": 19614, "name": "Capture Go 5th Cycle", "director": { "id": 66298, "username": "Peter ;)", "country": "au", "icon": "https://user-uploads.online-go.com/00eabc6c532138982adc562c0c346c98-64.png", "ratings": { "version": 5, "overall": { "rating": 1941.4459960341776, "deviation": 78.28401574064385, "volatility": 0.05996981929695001 } }, "ranking": 30.275340134490737, "professional": false, "ui_class": "" }, "description": "This is CAPTURE Go. The rules are simple: The first player to capture a stone or group of stones wins. Once a player loses a stone, he or she must resign. If no stones are captured during the game, the winner is the one with the most territory.\n\nKeep in mind that this changes the way you play completely. For example, a group that has a single two territory eye is alive because the other player would have to sacrifice a stone -- and therefore the game -- to kill the group. Naturally, there is no such thing as a ko or a snapback.\n\nTournament starts on October 1.\n\nAnalysis and conditional moves enabled.\n\nAt the start of your game, copy and paste the following into your game chat:\n\n==== THIS IS CAPTURE GO ==== The first player to capture a stone wins. Remember, you cannot sacrifice a stone to shorten liberties or to kill a group. Review the rules if you forget.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 90240, "time_control_parameters": { "time_control": "fischer", "initial_time": 345600, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 196, "name": "FUN GO FUN", "summary": "Welcome to FUN GO FUN.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 184, "icon": "https://user-uploads.online-go.com/216dddd0c8234b71a1c8e8e42d53c9fd-64.png" }, "auto_start_on_max": false, "time_start": "2016-09-01T16:10:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-01T16:10:29.591480Z", "ended": "2017-03-26T00:20:36.651775Z", "start_waiting": "2016-09-01T16:10:28.705627Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/216dddd0c8234b71a1c8e8e42d53c9fd-15.png", "player_count": 14, "ranked": true }, { "id": 16665, "name": "Correspondence 19x19 RoundRobin 2016-04-17 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:20260223T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-02-23T19:00:40.556586Z", "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": "2026-02-26T19:00:00Z", "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": "2016-04-17T01:00:56.855296Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-04-17T01:01:17.084461Z", "ended": "2016-06-29T21:18:53.615824Z", "start_waiting": "2016-04-17T01:01:16.298738Z", "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": 50050, "name": "Correspondence 9x9 RoundRobin 2019-07-09 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260222T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-02-22T19:00:40.558276Z", "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": "2026-02-25T19:00:00Z", "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": "2019-07-09T19:00:31.883780Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-07-09T19:00:44.230964Z", "ended": "2019-07-14T18:47:51.327845Z", "start_waiting": "2019-07-09T19:00:41.872111Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 80021, "name": "9x9 Fast Correspondence All | 4th Ed", "director": { "id": 904734, "username": "Temido Rocha", "country": "pt", "icon": "https://user-uploads.online-go.com/f40e3013c60db0c2be48e9e3fad6bfbd-64.png", "ratings": { "version": 5, "overall": { "rating": 1010.3662509082673, "deviation": 62.81317541158814, "volatility": 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