Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-ended&page=4880
{ "count": 59294, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=4881", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=4879", "results": [ { "id": 20211, "name": "Correspondence 9x9 RoundRobin 2016-08-29 01:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260408T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-08T19:00:04.658730Z", "lead_time_seconds": 86400, 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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-10T14:00:00Z", "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": "2016-10-05T02:30:29.030990Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-10-05T02:30:30.761327Z", "ended": "2016-10-05T03:24:39.134082Z", "start_waiting": "2016-10-05T02:30:30.339456Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", 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"2016-10-04T23:23:18.171457Z", "start_waiting": "2016-10-04T22:30:19.140282Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 17791, "name": "Beginner Tournament", "director": { "id": 325466, "username": "siguyg", "country": "un", "icon": "https://user-uploads.online-go.com/0fa64b15d99181f8154c006673926548-64.png", "ratings": { "version": 5, "overall": { "rating": 1091.8712317747315, "deviation": 142.90555574988895, "volatility": 0.060003264560414646 } }, "ranking": 16.951586739289898, "professional": false, "ui_class": "" }, "description": "A relaxed tournament for beginners", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86640, "time_control_parameters": { "time_control": "fischer", "initial_time": 21600, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": 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Join, play tournaments, and have fun. 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