Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=410
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"group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 9, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2013-02-17T16:39:02Z", "ended": "2013-02-17T15:39:02Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 1973, "name": "DanielBR's mini-tournament_3", "director": { "id": 26336, "username": "DanielBR", "country": "br", "icon": "https://secure.gravatar.com/avatar/78b17d6fe4e16444e7d494573c646ed9?s=64&d=retro", 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2013-06-25T19:28:56Z", "ended": "2013-06-25T17:28:56Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 79731, "name": "3 weeks absolute Handicap - mid ddk to sdk", "director": { "id": 131495, "username": "lassova", "country": "001", "icon": "https://user-uploads.online-go.com/5cbf9fce9d7b509551316cc452a20684-64.png", "ratings": { "version": 5, "overall": { "rating": 1158.7319900220084, "deviation": 63.12232851940213, "volatility": 0.059695187584868054 } }, "ranking": 18.327468662986142, "professional": false, "ui_class": "" }, "description": "No pausing and no vacations, please.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 20160, "time_control_parameters": { "system": "absolute", 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{ "id": 84592, "name": "Blitz 19x19 Elimination Tournament 2022-01-07 13:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260705T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-05T13:00:18.082260Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, 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