Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=2808
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"and also the trees", "director": { "id": 26447, "username": "poiko", "country": "no", "icon": "https://secure.gravatar.com/avatar/2d0b3c4e49dc84bdbd2f6cd5ac299e4e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1489.6315594605267, "deviation": 69.23309419297124, "volatility": 0.06004020292875947 } }, "ranking": 24.142806970065223, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-03-10T23:32:40Z", "ended": "2011-03-10T22:32:40Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 522, "name": "Hikaris tournament", "director": { "id": 20370, "username": "HikarisGo", "country": "ch", "icon": "https://user-uploads.online-go.com/4fca2f8e7932b9cbf07a7c8d52acf1e6-64.png", "ratings": { "version": 5, "overall": { "rating": 932.7021074403569, "deviation": 75.59572910356786, "volatility": 0.05995283926118546 } }, "ranking": 13.304018001201374, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, 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"2015-01-25T16:07:11.819163Z", "start_waiting": "2015-01-25T15:30:29.985733Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 64549, "name": "Blitz 13x13 Swiss Tournament 2020-08-21 19:30", "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:20260331T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-03-31T07:00:12.110380Z", "lead_time_seconds": 1800, 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null, "auto_start_on_max": false, "time_start": "2020-04-16T03:30:52.319181Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-16T03:31:54.084489Z", "ended": "2020-04-16T04:12:31.640337Z", "start_waiting": "2020-04-16T03:31:53.566539Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 84805, "name": "Blitz 13x13 Swiss Tournament 2022-01-13 15:30", "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" 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