Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5534
{ "count": 59090, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5535", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5533", "results": [ { "id": 63432, "name": "Blitz 13x13 Swiss Tournament 2020-07-22 23:30", "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:20260322T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-03-22T23:00:19.674173Z", 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"2020-12-05T05:37:08.807790Z", "start_waiting": "2020-12-05T05:01:40.738943Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 3989, "name": "Live 19x19 Swiss Tournament 2015-01-06 00:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260323T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-03-23T00:00:19.686241Z", "lead_time_seconds": 1800, 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"is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 557, "icon": "https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-64.png" }, "auto_start_on_max": false, "time_start": "2015-05-22T20:37:00Z", "players_start": 15, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-05-22T20:38:00.871846Z", "ended": "2020-10-02T10:12:26.467122Z", "start_waiting": "2015-05-22T20:37:59.927096Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-15.png", "player_count": 53, "ranked": true }, { "id": 3728, "name": "Blitz 13x13 Swiss Tournament 2014-12-27 15:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { 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