Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=390
{ "count": 58995, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=391", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=389", "results": [ { "id": 77, "name": "\"eu\" tornament for best eu player", "director": { "id": 2428, "username": "KibirasLT", "country": "un", "icon": "https://secure.gravatar.com/avatar/520aa175d139f42b1d628f280813ee26?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1329.7901612873698, "deviation": 287.9118629083769, "volatility": 0.05999970883292058 } }, "ranking": 21.515104698201537, "professional": false, "ui_class": "provisional" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The 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"next_run": "2026-03-16T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-06-06T22:30:30.098710Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-06-06T22:31:30.292887Z", "ended": "2023-06-06T23:09:48.129894Z", "start_waiting": "2023-06-06T22:31:30.133762Z", "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 }, { "id": 16654, "name": "Live 9x9 Double Elimination Tournament 2016-04-16 10:30", "director": { "id": 4, "username": "matburt", 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"2023-06-05T19:40:47.702725Z", "start_waiting": "2023-06-05T18:31:59.940257Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 105483, "name": "Live 9x9 Double Elimination Tournament 2023-07-17 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260316T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-16T18:00:11.689386Z", 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"subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-07-17T10:31:48.322686Z", "ended": "2023-07-17T11:18:01.822012Z", "start_waiting": "2023-07-17T10:31:48.178576Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 11571, "name": "Live 9x9 Double Elimination Tournament 2015-10-13 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", 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"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "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 joueur du dimanche", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, 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