Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=ended&page=897
{ "count": 59219, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=898", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=896", "results": [ { "id": 17892, "name": "Blitz 13x13 Swiss Tournament 2016-05-31 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 admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260128T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-01-28T19:00:26.363469Z", "lead_time_seconds": 1800, "tournament_type": 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36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-05-31T19:30:23.575846Z", "ended": "2016-05-31T20:45:18.449259Z", "start_waiting": "2016-05-31T19:30:23.303985Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 12, "ranked": true }, { "id": 17894, "name": "Blitz 19x19 Elimination Tournament 2016-05-31 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260128T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": 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