Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=3132
{ "count": 58971, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=3133", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=3131", "results": [ { "id": 42845, "name": "Live 9x9 Double Elimination Tournament 2018-11-16 10:30", "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:20260315T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-15T02:00:11.149740Z", "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": "2026-03-15T06:00:00Z", "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": "2018-11-16T10:30:00.444344Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-11-16T10:30:03.253203Z", "ended": "2018-11-16T11:27:58.744263Z", "start_waiting": "2018-11-16T10:30:02.580871Z", "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": 40237, "name": "Around 10 kyu Tournament", "director": { "id": 1359, "username": "ygramul", "country": "es", "icon": "https://user-uploads.online-go.com/1ae3c25c4a403ffef463f653ddbd8567-64.png", "ratings": { "version": 5, "overall": { "rating": 1316.454671920366, "deviation": 69.2705254733665, "volatility": 0.0600602331807387 } }, "ranking": 21.281778447844236, "professional": false, "ui_class": "supporter" }, "description": "A correspondence tournament with just one round, in all-against-all format. 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