Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=3276
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"https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png", "player_count": 9, "ranked": true }, { "id": 8877, "name": "Blitz 13x13 Swiss Tournament 2015-07-06 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260903T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-03T07:00:32.466578Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { 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"2015-07-06T19:30:26.510108Z", "ended": "2015-07-06T20:17:09.989506Z", "start_waiting": "2015-07-06T19:30:26.394790Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 61490, "name": "Robin's Friends Go Group Correspondance Cup", "director": { "id": 23509, "username": "robindews", "country": "gb", "icon": "https://user-uploads.online-go.com/53b7cf9d9bdd1f8f9c5f4ffe8c21631d-64.png", "ratings": { "version": 5, "overall": { "rating": 1541.866380297196, "deviation": 61.14091419950209, "volatility": 0.06003237465737596 } }, "ranking": 24.94066718342586, "professional": false, "ui_class": "supporter" }, "description": "This is a fun tournament for members of the Online Study Group. 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"2020-06-05T18:11:48.087497Z", "ended": "2020-08-27T11:27:15.851571Z", "start_waiting": "2020-06-05T18:11:47.797734Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/99eeaed745b6896fc39cfbdcbf5dc630-15.png", "player_count": 6, "ranked": true }, { "id": 128093, "name": "13x13 Mini League 10k-25k #3", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { 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