Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=580
{ "count": 60221, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=581", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=579", "results": [ { "id": 39456, "name": "Blitz 19x19 Elimination Tournament 2018-07-27 17:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260712T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-12T13:00:19.405176Z", "lead_time_seconds": 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"https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 12, "ranked": true }, { "id": 35154, "name": "it is nub", "director": { "id": 427929, "username": "Timbo.golovin", "country": "ru", "icon": "https://secure.gravatar.com/avatar/30d482f21bca229b42701f4a23b8c393?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 711.1917880090209, "deviation": 162.95461926296602, "volatility": 0.05999946978784876 } }, "ranking": 7.027040703296687, "professional": false, "ui_class": "provisional" }, "description": "this is nnnnuuuuuuuubbbbbbbbbb", "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, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18040, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-03-06T06:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-03-07T12:26:29.503350Z", "ended": "2018-04-16T00:31:28.223298Z", "start_waiting": "2018-03-07T12:26:28.416032Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 97993, "name": "TOURNOI A HANDICAP FRANCE", "director": { "id": 588317, "username": "marcjegoupro", "country": "fr", "icon": 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0.06010933718270158 } }, "ranking": 31.208518121495928, "professional": false, "ui_class": "" }, "description": "Good luck everyone", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 172800, "max_time": 432000, "time_increment": 28800, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1553, "name": "Vietnamese Go", "summary": "Dành cho các kì thủ đang sống ở Việt Nam hoặc người Việt ở nước khác.\nFor Go players living in Vietnam or Vietnamese living abroad.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 244, "icon": "https://user-uploads.online-go.com/14a0c5d58cc9af8e053b8d9b2cf88f33-64.png" }, "auto_start_on_max": false, "time_start": "2017-05-13T12:00:00Z", "players_start": 20, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 6, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2017-05-13T12:01:11.136004Z", "ended": "2018-05-11T04:05:35.262012Z", "start_waiting": "2017-05-13T12:00:59.138881Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/14a0c5d58cc9af8e053b8d9b2cf88f33-15.png", "player_count": 38, "ranked": true }, { "id": 99699, "name": "3 -> 李梓揚 4 -> 郭在田", "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": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "3 -> 李梓揚\n4 -> 郭在田", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", 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"slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-07-12T17:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-04-15T13:30:58.386426Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-04-15T13:31:00.216528Z", "ended": "2023-04-15T13:51:42.663035Z", "start_waiting": "2023-04-15T13:31:00.065736Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 397, "name": "Dobbie's mini-tournament", "director": { "id": 7461, "username": "Dobbie", "country": "un", "icon": "https://secure.gravatar.com/avatar/47447afaee95ec3c73f6de082f1e393f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1795.672772702785, "deviation": 66.42830201378939, "volatility": 0.06004198555119428 } }, "ranking": 28.46840626817757, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 1209600, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": 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