Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1289
{ "count": 60687, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1290", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1288", "results": [ { "id": 59205, "name": "Correspondence 13x13 RoundRobin 2020-04-18 19:00", "director": { "id": 4, "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 Sitewide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260817T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-17T19:00:29.605367Z", 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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": "2026-08-20T19:00:00Z", "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": "2020-04-15T19:00:46.567306Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-15T19:01:33.296661Z", "ended": "2020-05-08T03:20:12.424354Z", "start_waiting": "2020-04-15T19:01:30.560304Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 80390, "name": "My First Tournament for Kyu-players", "director": { "id": 296258, "username": "LVL79", "country": "ua", "icon": "https://user-uploads.online-go.com/bc1f8df1b46cb03262009a96298979e0-64.png", "ratings": { "version": 5, "overall": { "rating": 1544.0015106827734, "deviation": 64.27029921628412, "volatility": 0.059987878114440944 } }, "ranking": 24.972702434486514, "professional": false, "ui_class": "" }, "description": "This is My First Tournament for Kyu-players. 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