Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4885
{ "count": 59768, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4886", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4884", "results": [ { "id": 61029, "name": "สาระRails361! 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 54785, "name": "Correspondence 19x19 RoundRobin 2019-12-16 19:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260524T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-05-24T19:00:16.413509Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": 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"max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-12-16T19:01:39.027414Z", "ended": "2020-06-09T15:45:03.646627Z", "start_waiting": "2019-12-16T19:01:35.055243Z", "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": 59681, "name": "Very Fast Correspondence DK 2020-04-30", "director": { "id": 528606, "username": "hopser", "country": "001", "icon": "https://user-uploads.online-go.com/e3ec0c82d089b57b55d52db33c7f26ff-64.png", "ratings": { "version": 5, "overall": { "rating": 1444.3610213051595, "deviation": 63.60535063940472, "volatility": 0.05991221015044645 } }, "ranking": 23.4283565344945, "professional": false, "ui_class": "" }, "description": "Please don't take vacation during this tournament.\n\nConditional Moves & Analysis is turned off.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", 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