Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=1717
{ "count": 59780, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=1718", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=1716", "results": [ { "id": 109979, "name": "OST - Olympic System Tournament", "director": { "id": 1033608, "username": "NetCat", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1406.6650193080409, "deviation": 70.55993802829255, "volatility": 0.06003444046653894 } }, "ranking": 22.81614654991628, "professional": false, "ui_class": "" }, "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": 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"事前シュミレーション12", "director": { "id": 785391, "username": "sum7", "country": "jp", "icon": "https://secure.gravatar.com/avatar/4c3c6cbe1cab7aa2013e7d7fb506b12a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1727.6497529896158, "deviation": 103.84892805540841, "volatility": 0.06001745520626601 } }, "ranking": 27.574404317226268, "professional": false, "ui_class": "" }, "description": "事前シュミレーション", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 50, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6396, "name": "KAKA囲碁部Ⅱ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 22, "icon": 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"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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260528T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-28T01:00:16.881996Z", "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": "2026-05-28T05:00:00Z", "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": "2024-01-22T13:30:13.285057Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-01-22T13:31:13.407431Z", "ended": "2024-01-22T14:11:56.127758Z", "start_waiting": "2024-01-22T13:31:13.281583Z", "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": 58047, "name": "Inland Northwest Social Isolation Tournament (INSIT)", "director": { "id": 89030, "username": "vitamancy", "country": "us", "icon": "https://secure.gravatar.com/avatar/00c427436959a6507d3bedcc602b218f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1872.0525098091975, "deviation": 62.9230454310857, "volatility": 0.059657991424637916 } }, "ranking": 29.43273508240279, "professional": false, "ui_class": "" }, "description": "Connecting regional go clubs during the COVID-19 pandemic, this is a tournament for players associated with the Walla Walla Go Club, the Grande Ronde Go Club, or the Idaho Go Club.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 651, "name": "Walla Walla Go Club", "summary": "A online club for Walla Walla Go Club members!", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 28, "icon": "https://user-uploads.online-go.com/50b0788cbeea52c1d9674f76c3f9ec18-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-03T00:05:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2020-04-03T00:05:13.463284Z", "ended": "2020-04-03T02:55:18.210307Z", "start_waiting": "2020-04-03T00:05:12.831662Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/50b0788cbeea52c1d9674f76c3f9ec18-15.png", "player_count": 9, "ranked": true }, { "id": 111041, "name": 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"strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-05-28T08:00:00Z", "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": "2017-02-11T16:30:17.386150Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-02-11T16:30:19.312732Z", "ended": "2017-02-11T17:48:10.414752Z", "start_waiting": "2017-02-11T16:30:18.880030Z", "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 }, { "id": 58053, "name": "歡樂大賽！！", "director": { "id": 743935, "username": "陳天予", "country": "hk", "icon": "https://user-uploads.online-go.com/92bd8f7ccd9c9c665e771833ace80447-64.png", "ratings": { "version": 5, "overall": { "rating": 1849.7790445836285, "deviation": 72.8593185138491, "volatility": 0.05999399202989177 } }, "ranking": 29.155647380662366, "professional": false, "ui_class": "" }, "description": "歡樂大賽，最歡樂的大賽！", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4864, "name": "歡樂家庭——ogs", "summary": "a family in Hongkong.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-03-28T03:45:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-28T03:45:27.350272Z", "ended": "2020-06-30T11:46:36.006090Z", "start_waiting": "2020-03-28T03:45:26.557690Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true } ] }
