Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4880
{ "count": 59247, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4881", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4879", "results": [ { "id": 121368, "name": "Blitz 13x13 Swiss Tournament 2024-10-20 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260405T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-05T19:00:17.978067Z", "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": "2026-04-05T23:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "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": "2024-10-20T19:30:25.075842Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-10-20T19:31:25.236812Z", "ended": "2024-10-20T20:09:09.847801Z", "start_waiting": "2024-10-20T19:31:25.103059Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 109560, "name": "Meow turemanamt", "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": "Meow pi", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "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": 13697, "name": "𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽", "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 104, "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png" }, "auto_start_on_max": false, "time_start": "2023-11-17T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-16T01:34:47.739108Z", "ended": "2024-10-03T12:20:27.979315Z", "start_waiting": "2023-11-16T01:34:47.581756Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png", "player_count": 9, "ranked": true }, { "id": 19978, "name": "Title match for: Tianyuan Main Title Tournament 2013", "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": "Title match for: Tianyuan Main Title Tournament 2013 (vitality vs Sadaharu)", "schedule": null, "title": { "id": 13, "name": "Tianyuan Main Title Tournament", "holder": { "id": 43936, "username": "Sadaharu", "country": "sg", "icon": "https://user-uploads.online-go.com/7c560149f1de7fce503f52c3c38cdb3e-64.png", "ratings": { "version": 5, "overall": { "rating": 2317.8181826983164, "deviation": 75.16100854517124, "volatility": 0.06029512678253538 } }, "ranking": 34.37736388316182, "professional": false, "ui_class": "supporter" }, "rules": "chinese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_title", "handicap": 0, "rules": "chinese", 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1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260330T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-30T17:00:11.602788Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-04-06T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2023-11-18T17:00:30.875346Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-18T17:00:53.967227Z", "ended": "2025-02-19T09:50:02.730122Z", "start_waiting": "2023-11-18T17:00:51.911325Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 35, "ranked": true }, { "id": 1508, "name": "ademkula's mini-tournament", "director": { "id": 18975, "username": "ademkula", "country": "tr", "icon": "https://secure.gravatar.com/avatar/44b7d82ed3471fdd0ae95a26c91c295e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1834.9145697306662, "deviation": 65.7405498896889, "volatility": 0.059979971156898584 } }, "ranking": 28.968866879709733, "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": 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": 22, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-09-04T13:29:29Z", "ended": "2011-09-04T11:29:29Z", "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": 2484, "name": "Tianyuan Main Title Tournament 2013", "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": "Tianyuan Main Title Tournament 2013", "schedule": null, "title": { "id": 13, "name": "Tianyuan Main Title Tournament", "holder": { "id": 43936, "username": "Sadaharu", "country": "sg", "icon": "https://user-uploads.online-go.com/7c560149f1de7fce503f52c3c38cdb3e-64.png", "ratings": { "version": 5, "overall": { "rating": 2317.8181826983164, "deviation": 75.16100854517124, "volatility": 0.06029512678253538 } }, "ranking": 34.37736388316182, "professional": false, "ui_class": "supporter" }, "rules": "chinese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "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": "2013-10-01T21:00:09Z", "ended": "2016-08-20T01:34:07.973176Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_19.png", "player_count": 0, "ranked": true }, { "id": 1509, "name": "Blitzing", "director": { "id": 35569, "username": "Edu", "country": "fi", "icon": "https://secure.gravatar.com/avatar/142f13561195a1fcad72f219bc2e5f89?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1881.6341396538014, "deviation": 65.7177344747495, "volatility": 0.06002388687098355 } }, "ranking": 29.550920340459673, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 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": 22, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2011-07-22T20:39:40Z", "ended": "2011-07-22T18:39:40Z", "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": 19679, "name": "Crimean Turtle Nines #4", "director": { "id": 345002, "username": "CrimeanTurtle", "country": "ru", "icon": "https://user-uploads.online-go.com/79d5b65f4ba9fb17c50d05a9068cd244-64.png", "ratings": { "version": 5, "overall": { "rating": 1339.9536649946358, "deviation": 65.06816729052221, "volatility": 0.06003832921095559 } }, "ranking": 21.691365989754335, "professional": false, "ui_class": "" }, "description": "Welcome to my funny competition!", "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": 353, "name": "Four Seasons Tournament Series", "summary": "Серия турниров \"Четыре Сезона\"", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 623, "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png" }, "auto_start_on_max": true, "time_start": "2016-08-15T03:00:00Z", "players_start": 3, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-08-15T03:00:44.365009Z", "ended": "2016-09-20T15:30:12.583362Z", "start_waiting": "2016-08-15T03:00:43.880192Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png", "player_count": 4, "ranked": true }, { "id": 19501, "name": "Crimean Turtle Nines #3", "director": { "id": 345002, "username": "CrimeanTurtle", "country": "ru", "icon": "https://user-uploads.online-go.com/79d5b65f4ba9fb17c50d05a9068cd244-64.png", "ratings": { "version": 5, "overall": { "rating": 1339.9536649946358, "deviation": 65.06816729052221, "volatility": 0.06003832921095559 } }, "ranking": 21.691365989754335, "professional": false, "ui_class": "" }, "description": "Welcome to my funny competition!", "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": 353, "name": "Four Seasons Tournament Series", "summary": "Серия турниров \"Четыре Сезона\"", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 623, "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png" }, "auto_start_on_max": false, "time_start": "2016-08-08T03:00:00Z", "players_start": 3, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-08-08T03:00:57.421998Z", "ended": "2016-09-05T04:56:53.692856Z", "start_waiting": "2016-08-08T03:00:54.246952Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png", "player_count": 8, "ranked": true }, { "id": 19774, "name": "Live 19x19 Swiss Tournament 2016-08-12 16:30", "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:20260405T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-05T16:00:17.473821Z", "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": "2026-04-05T20:00:00Z", "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": "2016-08-12T16:30:15.831216Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-08-12T16:33:18.385502Z", "ended": "2016-08-12T16:36:48.895819Z", "start_waiting": "2016-08-12T16:33:17.727908Z", "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 } ] }
