Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=4533
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"country": "_Scotland", "icon": "https://user-uploads.online-go.com/d4c5efd04928b5b667798cf4056865de-64.png", "ratings": { "version": 5, "overall": { "rating": 1362.6346868889696, "deviation": 61.12467183995555, "volatility": 0.05994704206696634 } }, "ranking": 22.079940138695726, "professional": false, "ui_class": "supporter" }, "description": "play goodly\nnow!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4568, "name": "Scotland Youth Team", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 64, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-27T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-03T22:33:46.076798Z", "ended": "2020-10-29T06:24:12.565383Z", "start_waiting": "2020-05-03T22:33:45.571787Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 67212, "name": "dfgdsfgsdfhsdfhsdfhsdfh", "director": { "id": 798618, "username": "deleted-3d2f44b7-f214-4e45-9637-4bd858b44b9b", "country": "zz", "icon": "https://user-uploads.online-go.com/55023a82b97e460a735f6d87172c3826-64.png", "ratings": { "version": 5, "overall": { "rating": 1885.6681096473822, "deviation": 62.071343322313844, "volatility": 0.06003179245681985 } }, "ranking": 29.60049769574642, "professional": false, "ui_class": "" }, "description": "fghdfh", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7185, "name": "NY Team Panda", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/49044d52184b97c7d8f1250f896ecdd1-64.png" }, "auto_start_on_max": true, "time_start": "2020-10-30T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": 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"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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20251229T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2025-12-29T22:00:45.461818Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, 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