Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=1162
{ "count": 59565, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=1163", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=1161", "results": [ { "id": 14610, "name": "Tournament of Beginners", "director": { "id": 228126, "username": "Yüksel Çakırca", "country": "tr", "icon": "https://user-uploads.online-go.com/033164ecded547b2392afcb6a39413de-64.png", "ratings": { "version": 5, "overall": { "rating": 1122.5666146921556, "deviation": 167.8468325241066, "volatility": 0.06000131016300656 } }, "ranking": 17.593414309659558, "professional": false, "ui_class": "provisional" }, "description": "A good tournament between beginner players.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, 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"DTSTART:20260502T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-02T19:00:48.900527Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-05-05T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-05-25T19:00:52.469645Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-25T19:01:56.415206Z", "ended": "2020-06-10T09:39:17.552861Z", "start_waiting": "2020-05-25T19:01:51.992455Z", "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": 21853, "name": "แตงโมสีเขียว (Green Watermelon)", "director": { "id": 120320, "username": "Ignil", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png", "ratings": { "version": 5, "overall": { "rating": 2121.912696995676, "deviation": 70.45817006699149, "volatility": 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