Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=853
{ "count": 59200, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=854", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=852", "results": [ { "id": 6564, "name": "Correspondence 19x19 RoundRobin 2015-04-11 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260124T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-01-24T19:00:07.490939Z", 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-27T01:00:23.591387Z", "ended": "2015-04-16T18:20:38.307782Z", "start_waiting": "2015-02-27T01:00:22.264545Z", "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": 3705, "name": "FSTS Winter Olympic Games 2015 (13x13)", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "https://forums.online-go.com/t/fsts-winter-olympic-games-2015/", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 353, "name": "Four Seasons Tournament Series", "summary": "Серия турниров \"Четыре Сезона\"", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 623, "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png" }, "auto_start_on_max": false, "time_start": "2015-01-25T15:00:00Z", "players_start": 2, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-01-25T15:00:29.166172Z", "ended": "2015-04-11T11:54:14.665592Z", "start_waiting": "2015-01-25T15:00:29.022539Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png", "player_count": 9, "ranked": true }, { "id": 7154, "name": "Friendly Knockout", "director": { "id": 150655, "username": "Keeko", "country": "un", "icon": "https://secure.gravatar.com/avatar/f2fb7636b5aeecf6c3482b7313c943b8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1065.1484958123629, "deviation": 115.54227593759992, "volatility": 0.05998594516048105 } }, "ranking": 16.37795917173181, "professional": false, "ui_class": "" }, "description": "A friendly single elimination for kyu players", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 604800, "time_increment": 86400 }, "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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