Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=510
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{ "id": 107127, "name": "The first tournament", "director": { "id": 597662, "username": "deleted-591fba8f-68ba-4bb2-8545-13b8ea244a15", "country": "th", "icon": "https://user-uploads.online-go.com/ccf5d2157b891041d06edb18d8b7c2f3-64.png", "ratings": { "version": 5, "overall": { "rating": 1593.4975164947214, "deviation": 61.986605239193075, "volatility": 0.05985994363716635 } }, "ranking": 25.703174439983247, "professional": false, "ui_class": "" }, "description": "The first tournament for our group, have fun, keep respect.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 6838, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 864000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13539, "name": "ชมรมหมากล้อมจังหวัดพิษณุโลก", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-09-26T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-18T03:22:50.403808Z", "ended": "2023-12-07T12:12:09.739906Z", "start_waiting": "2023-09-18T03:22:50.276023Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 422, "name": "Be a ç¢?ç«Š(Go Dragon)! **1 day/move!**", "director": { "id": 2960, "username": "deleted-f4141919-f3f1-4d6b-8f9d-2e636d4d243e", "country": "un", "icon": "https://secure.gravatar.com/avatar/d1c373ab1570cfb9a7dbb53c186b37a2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1548.253432486618, 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"2008-05-21T07:21:57Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 16454, "name": "Blitz 19x19 Elimination Tournament 2016-04-09 09:30", "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:20260709T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-09T17:00:18.820919Z", "lead_time_seconds": 1800, "tournament_type": 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