Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-ended&page=3417
{ "count": 59644, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=3418", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=3416", "results": [ { "id": 64021, "name": "Blitz 19x19 Elimination Tournament 2020-08-07 09:30", "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:20260515T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-15T01:00:49.883582Z", "lead_time_seconds": 1800, 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-08-07T02:30:39.713342Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-08-07T02:30:41.510789Z", "ended": "2020-08-07T03:06:12.340251Z", "start_waiting": "2020-08-07T02:30:41.113468Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 63902, "name": "tournament", "director": { "id": 769861, "username": "rainncat", "country": "us", "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png", "ratings": { "version": 5, "overall": { "rating": 975.0308630931373, "deviation": 65.62894696966373, "volatility": 0.060026784983209604 } }, "ranking": 14.331490463627786, "professional": false, "ui_class": "" }, "description": "have 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"id": 5925, "name": "Group for GO", "summary": "Don't have a group? 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