Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=3944
{ "count": 60593, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3945", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3943", "results": [ { "id": 59190, "name": "Live 13x13 for beginners: improve your intuition [Sunday]", "director": { "id": 753709, "username": "jiveo", "country": "fi", "icon": "https://secure.gravatar.com/avatar/d676d8b1421760441b47ad0e33ab4c54?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1419.3228867499947, "deviation": 60.47244671076473, "volatility": 0.05993399917335899 } }, "ranking": 23.023530021226776, "professional": false, "ui_class": "supporter" }, "description": "4 sequential games for everybody. 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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:20260812T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-12T06:00:29.204482Z", "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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"2019-11-28T13:32:53.957642Z", "ended": "2019-11-28T14:06:15.802562Z", "start_waiting": "2019-11-28T13:32:53.643786Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 53399, "name": "Halloween tournament", "director": { "id": 676984, "username": "ethanethanethan", "country": "hk", "icon": "https://user-uploads.online-go.com/46b04dc82234c9966cf1df254d95bb9e-64.png", "ratings": { "version": 5, "overall": { "rating": 880.2722327086985, "deviation": 90.1947005848449, "volatility": 0.059998758769632995 } }, "ranking": 11.96468284784984, "professional": false, "ui_class": "" }, "description": "Happy halloween", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 97920, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, 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Join, play tournaments, and have fun. 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"subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-11-20T14:30:54.441411Z", "ended": "2019-11-20T15:03:49.632724Z", "start_waiting": "2019-11-20T14:30:53.901535Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true } ] }
