Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4688
{ "count": 59355, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4689", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4687", "results": [ { "id": 100428, "name": "Correspondence 9x9 RoundRobin 2023-02-24 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260414T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-14T19:00:56.031508Z", 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Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17900, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2015-06-02T08:05:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 14, "analysis_enabled": true, "exclusivity": "open", "started": "2015-06-09T07:10:48.211724Z", "ended": "2015-06-23T07:56:06.037871Z", "start_waiting": "2015-06-09T07:10:48.116072Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 16775, "name": "2016 Kung Fu Fighting Memorial Tournament", "director": { "id": 1403, "username": "Professor X", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/2e99ce3e2fdcf206bb5c16ac57f46eb4-64.png", "ratings": { "version": 5, "overall": { "rating": 1211.9399271922016, "deviation": 65.76349331406482, "volatility": 0.05999008092550541 } }, "ranking": 19.36681166975316, "professional": false, "ui_class": "" }, "description": "There is no mercy. Not even mantis kung fu can save you.\n\nVictory will go to the player who wins every single round.\n\nFor those new to OGS, Chinese rules allow free placement of handicap stones. Look up some opening patterns and you can set yourself up nicely.\n\nAs to the rest of you, may the Green Dragon have mercy on your soul.\n\nSome mood music: https://www.youtube.com/watch?v=jhUkGIsKvn0\n\nTell your friends to join. Best of luck.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "chinese", "time_per_move": 87360, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 86400, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 61, "name": "South Florida Go Club", "summary": "Building a community of Go players in the sunshine.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 22, "icon": "https://user-uploads.online-go.com/c2e2b43222bed28cb8a86f68f87f23c4-64.png" }, "auto_start_on_max": true, "time_start": "2016-05-01T18:50:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-01T18:50:29.124808Z", "ended": "2016-12-03T15:07:05.114220Z", "start_waiting": "2016-05-01T18:50:28.764008Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c2e2b43222bed28cb8a86f68f87f23c4-15.png", "player_count": 29, "ranked": true }, { "id": 117817, "name": "Correspondence 13x13 RoundRobin 2024-07-05 19:00", "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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260413T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-13T19:00:09.125947Z", "lead_time_seconds": 86400, "tournament_type": 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