Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-players_start&page=731
{ "count": 59423, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=732", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=730", "results": [ { "id": 44356, "name": "Blitz 13x13 Swiss Tournament 2019-01-05 15:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260421T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-21T15:00:38.749385Z", "lead_time_seconds": 1800, 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null, "auto_start_on_max": false, "time_start": "2021-04-14T20:30:51.641002Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-14T20:30:53.532600Z", "ended": "2021-04-14T22:33:12.219107Z", "start_waiting": "2021-04-14T20:30:53.129377Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 23167, "name": "Blitz 13x13 Swiss Tournament 2016-12-19 19:30", "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 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"10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-04-04T08:30:41.346435Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-04T08:30:43.164087Z", "ended": "2020-04-04T09:44:23.645804Z", "start_waiting": "2020-04-04T08:30:42.477585Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 13302, "name": "9x9 legendary move", "director": { "id": 120316, "username": "WhiteSnow", "country": "th", "icon": "https://user-uploads.online-go.com/53016b0ae3cf03460450d48514e0fe50-64.png", "ratings": { "version": 5, "overall": { "rating": 2192.847163269281, "deviation": 67.1781501655995, "volatility": 0.060126270792932125 } }, "ranking": 33.0942628478973, "professional": false, "ui_class": "" }, "description": "seek the best play on small board", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 180, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 28, "name": "Teaching League", "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.", "require_invitation": false, "is_public": true, 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