Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=299
{ "count": 60679, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=300", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=298", "results": [ { "id": 25378, "name": "Live 9x9 Double Elimination Tournament 2017-03-11 06:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260818T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-18T02:00:29.619804Z", 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"description": "⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 2449676, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 864000, "period_time": 2419200, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10842, "name": "9x9 Leagues", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 91, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-10-10T09:55:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-10T09:55:34.617579Z", "ended": "2024-06-17T09:31:57.507218Z", "start_waiting": "2023-10-10T09:55:34.493060Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 6, "ranked": true }, { "id": 6721, "name": "UPRB 9x9 tournament", "director": { "id": 132668, "username": "the13ghost", "country": "pr", "icon": "https://secure.gravatar.com/avatar/c0e3584250834e9b113eac758605cc3a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1434.6932257746698, "deviation": 63.19407466295032, "volatility": 0.059811972324570625 } }, "ranking": 23.27288165381866, "professional": false, "ui_class": "" }, "description": "Uprb students sign up here!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 70, "time_control_parameters": { "time_control": "canadian", "period_time": 600, "main_time": 900, "stones_per_period": 10 }, "is_open": true, "exclude_provisional": false, "group": { "id": 401, "name": "Puerto Rico", "summary": "Grupo para la Asociación Puertorriqueña de Go", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://user-uploads.online-go.com/9ca43326ec1999887b87ab22dcbd36c6-64.png" }, "auto_start_on_max": false, "time_start": "2015-04-16T15:45:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "group", "started": "2015-04-16T15:45:21.543698Z", "ended": "2015-04-16T16:35:51.530180Z", "start_waiting": "2015-04-16T15:45:21.437415Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9ca43326ec1999887b87ab22dcbd36c6-15.png", "player_count": 4, "ranked": true }, { "id": 116618, "name": "Live 9x9 Double Elimination Tournament 2024-05-31 10:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260818T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-18T02:00:29.619804Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, 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