Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=981
{ "count": 59502, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=982", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=980", "results": [ { "id": 29194, "name": "Correspondence 19x19 RoundRobin 2017-08-07 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260427T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-27T19:00:35.076545Z", 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"2017-03-23T21:10:09.779163Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 29154, "name": "first coffee milk tournament even tho theres 2 people in da group:)", "director": { "id": 461233, "username": "hikarubae69", "country": "nz", "icon": "https://user-uploads.online-go.com/3bfeaa88322d565522fd9a3843592b7f-64.png", "ratings": { "version": 5, "overall": { "rating": 1134.1062328404655, "deviation": 65.49472239492376, "volatility": 0.060009140501091886 } }, "ranking": 17.8301739169829, "professional": false, "ui_class": "" }, "description": "i like milk\nand coffee", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 29081, "name": "Nottingham Go Club Correspondence Cup", "director": { "id": 138266, "username": "K1T5UNE", "country": "gb", "icon": "https://user-uploads.online-go.com/37b877f6b9f7dad409c31409dafb38c0-64.png", "ratings": { "version": 5, "overall": { "rating": 1616.6865864196095, "deviation": 62.88415560102081, "volatility": 0.059946989543220405 } }, "ranking": 26.037632707242576, "professional": false, "ui_class": "" }, "description": "Round Robin.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "period_time": 259200, "main_time": 0, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 83, "name": "Nottingham Go Club", "summary": "Online Group 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I'm new ! Let's meet !", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "time_control": "none", "speed": "correspondence", "system": "none", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. 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