Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-time_start&page=3999
{ "count": 59108, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=4000", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=3998", "results": [ { "id": 56044, "name": "Iwamoto Kaoru (岩本薫) Birthday DDK Tournament.", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 1009.0075200628872, "deviation": 62.20607616214682, "volatility": 0.05898251420311165 } }, "ranking": 15.124455478173207, "professional": false, "ui_class": "" }, "description": "This tournament honors Iwamoto Kaoru, Honinbo, and one of the participants in the famous Atomic Bomb game, born on February 5, 1902. Enjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. 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"2020-02-05T07:03:15.017304Z", "start_waiting": "2020-02-05T06:30:34.366915Z", "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": 56313, "name": "Live 9x9 Double Elimination Tournament 2020-02-05 02:30", "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:20260120T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-20T02:00:21.801849Z", 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