Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1312
{ "count": 60699, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1313", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1311", "results": [ { "id": 85063, "name": "Live 19x19 Swiss Tournament 2022-01-19 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260820T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-20T04:00:30.169340Z", "lead_time_seconds": 1800, 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"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png", "player_count": 23, "ranked": true }, { "id": 39965, "name": "สาระ-rails361!tour ครั้งที่ 4", "director": { "id": 148806, "username": "โอ๋ชิงหยวน", "country": "th", "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png", "ratings": { "version": 5, "overall": { "rating": 1492.5969375459106, "deviation": 64.40112439786603, "volatility": 0.05947850371808418 } }, "ranking": 24.188845377498144, "professional": false, "ui_class": "" }, "description": "Welcome to this trip, joy of life.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 12480, "time_control_parameters": { "total_time": 1123200, "time_control": "absolute", "speed": "correspondence", "system": "absolute", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 2571, "name": "Go World Wide", "summary": "enjoy", 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"correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10850, "name": "Go Game Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-01-05T02:15:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-07T12:57:41.381631Z", "ended": "2022-03-17T22:11:11.739772Z", "start_waiting": "2022-01-07T12:57:41.239778Z", "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": 85067, "name": "slow game with 1000 visits", "director": { "id": 1108185, "username": "KataGo_L3", "country": "au", "icon": "https://user-uploads.online-go.com/6c1c389f0120afb5e71b14d51df0451f-64.png", "ratings": { "version": 5, "overall": { "rating": 2750.8981763817756, "deviation": 71.84898193171357, "volatility": 0.06001228169806751 } }, "ranking": 38, "professional": false, "ui_class": "bot" }, "description": "bots test", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 88320, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10976, "name": "Bot and Bot ", "summary": "bots", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 24, "icon": "https://user-uploads.online-go.com/5981a3f665b118a5bd9bd15321578ff0-64.png" }, "auto_start_on_max": true, "time_start": "2022-01-24T23:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-24T23:00:48.764006Z", "ended": "2022-04-08T08:44:36.091746Z", "start_waiting": "2022-01-24T23:00:48.636995Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5981a3f665b118a5bd9bd15321578ff0-15.png", "player_count": 7, "ranked": true }, { "id": 88459, "name": "9/4 1 -> 5 -> 吳卓庭\t\t\t2 -> 鄒綽廉", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 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