Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-players_start&page=361
{ "count": 60200, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=362", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=360", "results": [ { "id": 92284, "name": "【AI study 】very long tournament", "director": { "id": 1124710, "username": "Krios.", "country": "ca", "icon": "https://user-uploads.online-go.com/780748ce99b865915ca35d43164a4e94-64.png", "ratings": { "version": 5, "overall": { "rating": 1245.1005841409792, "deviation": 63.70392173609972, "volatility": 0.06008790899354921 } }, "ranking": 19.991722670953084, "professional": false, "ui_class": "" }, "description": "Join the group (AI study) to discuss all things go AI https://online-go.com/group/11990", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 2425920, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-03-16T17:00:25.970036Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-03-16T17:01:35.769663Z", "ended": "2019-07-23T13:32:47.179828Z", "start_waiting": "2018-03-16T17:00:34.233862Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 124, "ranked": true }, { "id": 4439, "name": "Amistoso", "director": { "id": 84536, "username": "milo622", "country": "co", "icon": "https://user-uploads.online-go.com/7077830ca37826211efcc990439b3db9-64.png", "ratings": { "version": 5, "overall": { "rating": 1562.8640749885617, "deviation": 61.777872550454546, "volatility": 0.0599477274315819 } }, "ranking": 25.25380486197814, "professional": false, "ui_class": "" }, "description": "Por correspondencia...", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "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": 150, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-64.png" }, "auto_start_on_max": true, "time_start": "2015-02-06T23:40:00Z", "players_start": 50, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-20T17:14:02.560693Z", "ended": "2016-02-12T13:38:47.260651Z", "start_waiting": "2015-02-20T17:14:02.394049Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-15.png", "player_count": 12, "ranked": true }, { "id": 62641, "name": "Monthly Simultaneous McMahon 2020-07-16 17:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260701T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-07-01T17:00:17.531176Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-08-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "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": null, "auto_start_on_max": false, "time_start": "2020-07-16T17:00:44.961880Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-16T17:01:46.435674Z", "ended": "2021-11-19T09:07:32.049468Z", "start_waiting": "2020-07-16T17:01:33.692786Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 60, "ranked": true }, { "id": 39050, "name": "Indonesian open cup", "director": { "id": 71896, "username": "azieuyz", "country": "id", "icon": "https://user-uploads.online-go.com/c3aa1d324d7922f8b3877830b915cc79-64.png", "ratings": { "version": 5, "overall": { "rating": 1835.620733408658, "deviation": 63.198020796159184, "volatility": 0.060036389266179366 } }, "ranking": 28.97777440299835, "professional": false, "ui_class": "" }, "description": "Come on join us", "schedule": null, "title": null, "tournament_type": "s_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": 200, "name": "Indonesian Go Fans Club", "summary": "Indonesian Online Go Fans Club", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 151, "icon": "https://user-uploads.online-go.com/bbd562c21828c0b25ba2836247b88410-64.png" }, "auto_start_on_max": true, "time_start": "2018-07-31T13:00:00Z", "players_start": 49, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2018-08-03T00:04:29.773618Z", "ended": "2020-03-14T13:11:22.894305Z", "start_waiting": "2018-08-03T00:04:18.396984Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bbd562c21828c0b25ba2836247b88410-15.png", "player_count": 40, "ranked": true }, { "id": 36415, "name": "Restart", "director": { "id": 460454, "username": "Khadziya", "country": "id", "icon": "https://user-uploads.online-go.com/1241f82b383e0c9aa043890627977f2b-64.png", "ratings": { "version": 5, "overall": { "rating": 1513.0748793055748, "deviation": 64.02069240422253, "volatility": 0.05999825962518689 } }, "ranking": 24.504296774669363, "professional": false, "ui_class": "" }, "description": "Enjoy it", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "period_time": 86400, "main_time": 604800, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2170, "name": "Serenity", "summary": "When wisdom comes and ambitions go away, only pure enjoyment of the game remains.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 48, "icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-64.png" }, "auto_start_on_max": false, "time_start": "2018-04-30T04:00:00Z", "players_start": 48, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-05T03:37:33.826187Z", "ended": "2019-06-05T09:49:33.717628Z", "start_waiting": "2018-05-05T03:37:17.153648Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-15.png", "player_count": 43, "ranked": true }, { "id": 130743, "name": "9*9 #19 sign up page", "director": { "id": 1381238, "username": "Cfilorux", "country": "tw", "icon": "https://user-uploads.online-go.com/0961f2a621c03387fd88fa7f7d30a372-64.png", "ratings": { "version": 5, "overall": { "rating": 2019.067152489887, "deviation": 82.96361774165803, "volatility": 0.06094583708698622 } }, "ranking": 31.18287904744663, "professional": false, "ui_class": "" }, "description": "Sign up page <br />\nRank 1 to 10: Group A <br />\nRank 11 to 20: Group B <br />\nRank 21 to 30: Group C <br />\nRank 31 to 62: Group D <br />\nFinals Qualifying:<br />\n Top 3 in Group A<br />\n Top 2 in Group B<br />\n Top 1 in Group C<br />\n Top 1 in Group D<br />\n Top 2 in the previous round", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 85333, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13682, "name": "9*9棋賽群", "summary": "A space for 9*9 tournaments!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 62, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-12-31T16:00:00Z", "players_start": 42, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-11T14:32:03.969061Z", "ended": "2026-03-30T15:23:29.107984Z", "start_waiting": "2025-09-11T14:32:03.319935Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 32, "ranked": true }, { "id": 60115, "name": "MOVIE RECOMMENDATION TOURNAMENT 2 Double Elimination (starts when there will be 120 players or on may 20th)", "director": { "id": 488500, "username": "Picard", "country": "un", "icon": "https://secure.gravatar.com/avatar/f1c34fa096a5d8ad30ce9febb7d4870e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1470.3231083618412, "deviation": 67.06113000039035, "volatility": 0.0599711398659376 } }, "ranking": 23.840777355800686, "professional": false, "ui_class": "" }, "description": "Double Elimination Tournament\n\nWARNING: Tournament will start when there will be 120 players or on may 5th\n\n\nRecommend a movie you like in chat and join the tournament!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2946, "name": "Final Frontier", "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 74, "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png" }, "auto_start_on_max": true, "time_start": "2020-05-20T15:20:00Z", "players_start": 40, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-20T15:15:32.721672Z", "ended": "2021-03-17T14:14:05.520371Z", "start_waiting": "2020-05-20T15:15:30.665031Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png", "player_count": 31, "ranked": true } ] }
