Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=417
{ "count": 59136, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=418", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=416", "results": [ { "id": 127, "name": "Aurea_ECL's mini-tournament", "director": { "id": 3795, "username": "Aurea_ECL", "country": "fr", "icon": "https://secure.gravatar.com/avatar/3dbf2eb11e031f140d0b9c49f44aa13f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2388.9798286417745, "deviation": 82.6254839252881, "volatility": 0.05997883266752871 } }, "ranking": 35.07742266532836, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 864000, "time_increment": 172800 }, "is_open": true, "exclude_provisional": true, 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"https://secure.gravatar.com/avatar/fce7b36ab11ade0ed704ce60750dcfe2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1543.66134944842, "deviation": 64.13306590760571, "volatility": 0.059974233649116145 } }, "ranking": 24.96760166217823, "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": 16, "analysis_enabled": false, "exclusivity": "open", "started": "2008-06-22T07:02:01Z", "ended": "2008-06-22T05:02:01Z", "start_waiting": null, "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": 94100, "name": "Blitz 13x13 Swiss Tournament 2022-08-31 07:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260327T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-03-27T07:00:09.039151Z", "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": "2026-03-27T11:00:00Z", "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": "2022-08-31T07:30:01.283107Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-08-31T07:30:03.042213Z", "ended": "2022-08-31T08:00:26.618747Z", "start_waiting": "2022-08-31T07:30:02.654106Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 110833, "name": "correspondence time tournament", "director": { "id": 1483970, "username": "IIIIIIIIIIIIIIIIIIIII", "country": "un", "icon": "https://secure.gravatar.com/avatar/5b134e7e6cb7337ee64af9cff281ed22?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1067.597936745748, "deviation": 111.66201160406058, "volatility": 0.0599994592819813 } }, "ranking": 16.431134346871215, "professional": false, "ui_class": "" }, "description": "correspondence time tournament #1", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 96625, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13894, "name": "Group for Tournaments and Ladders", "summary": "This group for tournaments and ladders", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-12-21T17:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-03T10:50:33.911437Z", "ended": "2025-01-01T16:22:37.495355Z", "start_waiting": "2024-11-03T10:50:33.816472Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 564, "name": "Oops, I did it again!! :o)", "director": { "id": 13272, "username": "LazyGirl", "country": "us", "icon": "https://user-uploads.online-go.com/bc01e7f3d61a30b5095e89f668f09fe4-64.png", "ratings": { "version": 5, "overall": { "rating": 1265.1925182295072, "deviation": 63.657352301451475, "volatility": 0.06010630630914548 } }, "ranking": 20.362307449524884, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "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": 9, "analysis_enabled": false, "exclusivity": "open", "started": "2008-08-07T04:02:57Z", "ended": "2008-08-07T02:02:57Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 3351, "name": "17k-13k", "director": { "id": 84536, "username": "milo622", "country": "co", "icon": "https://user-uploads.online-go.com/7077830ca37826211efcc990439b3db9-64.png", "ratings": { "version": 5, "overall": { "rating": 1557.6009676307065, "deviation": 61.814078984268654, "volatility": 0.059948547161216226 } }, "ranking": 25.17571326395889, "professional": false, "ui_class": "" }, "description": "participantes de 17k a 13 k", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 691200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 283, "name": "Colombia", "summary": "Bienvenidos", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 149, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 13, "max_ranking": 17, "analysis_enabled": true, "exclusivity": "open", "started": "2014-11-14T01:25:31.068389Z", "ended": "2015-11-17T15:04:33.956022Z", "start_waiting": "2014-11-14T01:25:30.491021Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-15.png", "player_count": 0, "ranked": true }, { "id": 2624, "name": "Beginner Tournament", "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": "Fast, 9x9, Chinese rules, no handicap, no analysis", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 43200, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 172800, "time_increment": 43200 }, "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": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2013-11-04T15:00:28.858346Z", "ended": "2013-12-09T20:34:55.164524Z", "start_waiting": null, "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": 85815, "name": "happy lunar new year!", "director": { "id": 769863, "username": "fire donut", "country": "us", "icon": "https://user-uploads.online-go.com/0a0517e79ef81968565fcce31df6ff34-64.png", "ratings": { "version": 5, "overall": { "rating": 1286.3970574329985, "deviation": 64.97675973216174, "volatility": 0.06003162969583421 } }, "ranking": 20.747084365163868, "professional": false, "ui_class": "" }, "description": "This is a bit late but have fun!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 262080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 259200, "initial_time": 259200, "max_time": 864000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6414, "name": "Hot Cocoa", "summary": "\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 13, "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-12T23:00:00Z", "players_start": 5, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-12T23:00:32.909181Z", "ended": "2023-03-01T17:25:26.547517Z", "start_waiting": "2022-02-12T23:00:32.719615Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png", "player_count": 7, "ranked": true }, { "id": 77, "name": "\"eu\" tornament for best eu player", "director": { "id": 2428, "username": "KibirasLT", "country": "un", "icon": "https://secure.gravatar.com/avatar/520aa175d139f42b1d628f280813ee26?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1329.7901612873698, "deviation": 287.9118629083769, "volatility": 0.05999970883292058 } }, "ranking": 21.515104698201537, "professional": false, "ui_class": "provisional" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2006-04-09T15:45:00Z", "ended": "2006-05-04T11:34:00Z", "start_waiting": null, "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": 99274, "name": "Correspondence Weekly McMahon 19x19 2023-01-28 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260323T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-23T17:00:19.887648Z", "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": "2026-03-30T17:00:00Z", "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": "2023-01-28T17:00:23.217506Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-28T17:00:58.778789Z", "ended": "2025-02-14T09:28:09.517172Z", "start_waiting": "2023-01-28T17:00:57.498669Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 26, "ranked": true } ] }
