Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-started&page=4557
{ "count": 59215, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-started&page=4558", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-started&page=4556", "results": [ { "id": 28319, "name": "Live 9x9 Double Elimination Tournament 2017-06-27 18:30", "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:20260403T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-03T06:00:15.426194Z", "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": "2026-04-03T10:00:00Z", "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": "2017-06-27T18:30:12.881353Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-06-27T18:30:17.760538Z", "ended": "2017-06-27T19:05:16.313894Z", "start_waiting": "2017-06-27T18:30:15.162162Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 28037, "name": "👿Tournaments low-rating", "director": { "id": 442364, "username": "acount4103", "country": "un", "icon": "https://secure.gravatar.com/avatar/662b5af3b03717f0ec843dcdaa72211f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1716.8733327156694, "deviation": 63.24289762535955, "volatility": 0.0601474446501545 } }, "ranking": 27.429551205730498, "professional": false, "ui_class": "" }, "description": "live games", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 30, "max_time": 60, "time_increment": 10, "speed": "live" }, "is_open": true, "exclude_provisional": false, "group": { "id": 222, "name": "Low-Rating 30k's", "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. 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