Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=3727
{ "count": 59279, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=3728", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=3726", "results": [ { "id": 44936, "name": "Live 9x9 Double Elimination Tournament 2019-01-24 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:20260204T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-04T18:01:11.901586Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-02-04T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-01-24T02:30:32.242408Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-01-24T02:33:34.492422Z", "ended": "2019-01-24T03:04:59.106865Z", "start_waiting": "2019-01-24T02:33:34.099582Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 44928, "name": "9x9 Turnier 25.01", "director": { "id": 525417, "username": "Leandrooo", "country": "np", "icon": "https://user-uploads.online-go.com/29844cb45c0823be233b9b49f7df50e1-64.png", "ratings": { "version": 5, "overall": { "rating": 1296.8913401863244, "deviation": 61.45101097021675, "volatility": 0.05992339380394278 } }, "ranking": 20.935173300487065, "professional": false, "ui_class": "" }, "description": "Are you ready to rumble", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 17, "time_control_parameters": { "period_time": 15, "main_time": 180, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 4, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 3222, "name": "GOKSZ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 28, "icon": "https://user-uploads.online-go.com/c22fe607cd9797580423018238a7c399-64.png" }, "auto_start_on_max": false, "time_start": "2019-01-25T15:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2019-01-27T19:16:02.794977Z", "ended": "2019-01-27T19:24:24.637389Z", "start_waiting": "2019-01-27T19:16:01.416832Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/c22fe607cd9797580423018238a7c399-15.png", "player_count": 4, "ranked": true }, { "id": 44549, "name": "MGG BF Handicap RR 1", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "\"By filling\" MGG tournament. 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