Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-id&page=5440
{ "count": 59654, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=5441", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=5439", "results": [ { "id": 8439, "name": "Blitz 19x19 Elimination Tournament 2015-06-20 13:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260516T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-16T13:00:51.032111Z", "lead_time_seconds": 1800, 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8432, "name": "Wien 19x19 Jun 2015", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 748.9070817272963, "deviation": 65.62365388571477, "volatility": 0.05913505284620555 } }, "ranking": 8.223265604714022, "professional": false, "ui_class": "supporter" }, "description": "gfhu jzhtr", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 29760, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 28800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 445, "name": "Go7wien", "summary": "Wiener Go Klub", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": 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"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": "2015-06-20T06:30:41.792454Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-06-20T06:30:43.397998Z", "ended": "2015-06-20T07:28:05.945008Z", "start_waiting": "2015-06-20T06:30:43.272403Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 8423, "name": "Correspondence Tournament", "director": { "id": 108907, "username": "bcas1984", "country": "us", "icon": 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