Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=4897
{ "count": 59273, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=4898", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=4896", "results": [ { "id": 113234, "name": "Giải 9x9 mở hẹp", "director": { "id": 1358858, "username": "piii7777", "country": "vn", "icon": "https://user-uploads.online-go.com/c98f52b964618fc2dfe8f264c6a5d804-64.png", "ratings": { "version": 5, "overall": { "rating": 1937.6831820311227, "deviation": 68.71146629116117, "volatility": 0.0599974874133445 } }, "ranking": 30.230428419776782, "professional": false, "ui_class": "" }, "description": "Anh e giao lưu bàn 9 ngủ cho ngon", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 180, "period_time": 20, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14084, "name": "Pi7 & Giải đấu thập cẩm", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://user-uploads.online-go.com/61859aabd2b29eaaa933e387f8c5a685-64.png" }, "auto_start_on_max": false, "time_start": "2024-02-25T16:20:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 20, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-20T13:44:23.245582Z", "ended": "2024-04-20T13:49:36.944990Z", "start_waiting": "2024-04-20T13:44:23.176905Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/61859aabd2b29eaaa933e387f8c5a685-15.png", "player_count": 4, "ranked": true }, { "id": 95057, "name": "Live 9x9 Double Elimination Tournament 2022-09-27 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", "rrule": "DTSTART:20260408T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-08T18:00:04.575966Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-08T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "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": "2022-09-27T14:30:47.741064Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-27T14:30:49.578024Z", "ended": "2022-09-27T15:05:12.873136Z", "start_waiting": "2022-09-27T14:30:49.313538Z", "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": 136710, "name": "9x9 Mini League 1k-9k #164", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1362.696896450698, "deviation": 69.59061153433855, "volatility": 0.0602053387269744 } }, "ranking": 22.080997001914177, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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