Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=4231
{ "count": 59223, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=4232", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=4230", "results": [ { "id": 81505, "name": "Live 9x9 Double Elimination Tournament 2021-10-19 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260403T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-03T14:00:15.622361Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-04-03T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-10-19T14:30:51.373487Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-10-19T14:30:53.219248Z", "ended": "2021-10-19T15:18:36.866687Z", "start_waiting": "2021-10-19T14:30:52.710555Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 123618, "name": "#29 Happy Tourney.", "director": { "id": 1144866, "username": "𝒫𝓊𝓉 𝒦.", "country": "001", "icon": "https://user-uploads.online-go.com/96e71b19d93c156edd85ce7fe2904c51-64.png", "ratings": { "version": 5, "overall": { "rating": 956.5003059081381, "deviation": 69.58732303498147, "volatility": 0.06059871061147316 } }, "ranking": 13.887287887422303, "professional": false, "ui_class": "" }, "description": "29th happy tourney, I will create a new tournament with this name every Monday, have fun!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "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": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-06T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-06T08:00:37.056859Z", "ended": "2025-01-17T09:29:04.110599Z", "start_waiting": "2025-01-06T08:00:36.983413Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 5, "ranked": true }, { "id": 82002, "name": "Strategyturk Go Turnuvası: Kasım 2021", "director": { "id": 1071107, "username": "Pharmacist", "country": "tr", "icon": "https://user-uploads.online-go.com/54ae12aa0911507ce8ef6bfcf1ae70c9-64.png", "ratings": { "version": 5, "overall": { "rating": 980.2386342661201, "deviation": 155.38760016728656, "volatility": 0.06000528176116577 } }, "ranking": 14.454808694595076, "professional": false, "ui_class": "" }, "description": "Strategyturk’ün kasım 2021 go turnuvasıdır. 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"", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 361, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": false, "time_start": "2021-12-02T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-02T10:00:33.613954Z", "ended": null, "start_waiting": "2021-12-02T10:00:32.796788Z", "board_size": 19, "active_round": 6, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 62, "ranked": true }, { "id": 82716, "name": "Live 9x9 Double Elimination Tournament 2021-11-20 06:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, 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