Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4547
{ "count": 60502, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4548", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4546", "results": [ { "id": 67818, "name": "Correspondence 9x9 RoundRobin 2020-11-15 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-03T19:00:16.570410Z", 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"slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 8, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2016-11-27T18:21:14.846191Z", "ended": "2017-04-20T07:24:00.361179Z", "start_waiting": "2016-11-27T18:21:07.068931Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 10, "ranked": true }, { "id": 21985, "name": "9x9 Slaughter - Blitz", "director": { "id": 195063, "username": "NoHabloGo", "country": "de", "icon": "https://user-uploads.online-go.com/3fbc32b37834040777b8dcc594a75e4e-64.png", "ratings": { "version": 5, "overall": { "rating": 1401.8558727584043, "deviation": 62.87840413578464, "volatility": 0.060033301217346825 } }, "ranking": 22.73686506637725, "professional": false, "ui_class": "" }, "description": "Fast 9x9 Slaughter :)", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", 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Join, play tournaments, and have fun. 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] }