Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5108
{ "count": 59977, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5109", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5107", "results": [ { "id": 83584, "name": "Blitz 13x13 Swiss Tournament 2021-12-11 15:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260620T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-06-20T11:00:19.732218Z", 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"2020-04-07T19:30:18.528774Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-07T19:31:15.033839Z", "ended": "2020-04-07T20:25:12.375963Z", "start_waiting": "2020-04-07T19:31:13.581441Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 58648, "name": "BGC4 9x9", "director": { "id": 75675, "username": "flexo37", "country": "gb", "icon": "https://user-uploads.online-go.com/aed35fddbbab02a96f4cd51229121646-64.png", "ratings": { "version": 5, "overall": { "rating": 1387.0870510028174, "deviation": 61.81512776285879, "volatility": 0.060047276641028206 } }, "ranking": 22.49168154781557, "professional": false, "ui_class": "supporter" }, "description": "BGC4 9x9", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 40, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 259, "name": "Brighton Go Club", "summary": "Group for anyone who plays Go in Brighton, UK", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 42, "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-07T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-07T19:31:58.351978Z", "ended": "2020-04-07T20:19:05.072456Z", "start_waiting": "2020-04-07T19:31:57.960118Z", "board_size": 9, 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