Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=5642
{ "count": 58982, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=5643", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=5641", "results": [ { "id": 101262, "name": "le tournoi du rire", "director": { "id": 1319173, "username": "marccc", "country": "jp", "icon": "https://user-uploads.online-go.com/548cada4b644cf9ab0cbab5642eb728e-64.png", "ratings": { "version": 5, "overall": { "rating": 1392.5459354169786, "deviation": 71.48763372725841, "volatility": 0.06008929093690408 } }, "ranking": 22.5826096216103, "professional": false, "ui_class": "" }, "description": "amusant", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 3, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "blitz", "pause_on_weekends": false, "per_move": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12978, "name": "Les 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"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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260315T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-15T22:00:11.444462Z", "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, "first_pairing_method": "slide", 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Starts only when full.\n\nNew Zealand rules. 9x9 board. Handicap games. 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