Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=3305
{ "count": 59687, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=3306", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=3304", "results": [ { "id": 20088, "name": "Tournament of group", "director": { "id": 51434, "username": "Fernando3000", "country": "br", "icon": "https://secure.gravatar.com/avatar/5b14e850b0a39a73be7226de68f17fd3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1102.3144372373315, "deviation": 70.5417215520979, "volatility": 0.06000075507720013 } }, "ranking": 17.171952805306432, "professional": false, "ui_class": "" }, "description": "The purpose of this tournament is just for fun and to promote interaction between group members, and increase number of members.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, 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"deleted-e8f64a4c-6d99-4c22-ae3c-aacdf16941a9", "country": "zz", "icon": "https://user-uploads.online-go.com/b40446e0ef59e0abf04f8ed9be5ca84b-64.png", "ratings": { "version": 5, "overall": { "rating": 1622.3831471314238, "deviation": 67.06012209323173, "volatility": 0.06060078427531681 } }, "ranking": 26.119060726576542, "professional": false, "ui_class": "" }, "description": "Come play like a Canadian!\n\nDoes anybody read these?", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 39, "name": "Canadian Go Players", "summary": "Canadian Go Association", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 558, "icon": 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"player_count": 4, "ranked": true }, { "id": 20494, "name": "Live 9x9 Double Elimination Tournament 2016-09-08 02:30", "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:20260518T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-18T22:00:12.772363Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, 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"2016-09-08T03:11:29.272207Z", "start_waiting": "2016-09-08T02:30:01.496306Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 20080, "name": "Blitz 19x19 Elimination Tournament 2016-08-23 17:30", "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:20260519T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-19T01:00:12.787190Z", 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"time_per_move": 46080, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 43200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 351, "name": "Fight Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 367, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png" }, "auto_start_on_max": false, "time_start": "2015-09-19T18:00:00Z", "players_start": 2, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-09-19T18:00:26.225229Z", "ended": "2016-11-22T07:37:55.954256Z", "start_waiting": "2015-09-19T18:00:25.996859Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 14, "ranked": true } ] }
