Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-players_start&page=1634
{ "count": 60725, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-players_start&page=1635", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-players_start&page=1633", "results": [ { "id": 75810, "name": "Live 9x9 Double Elimination Tournament 2021-06-01 02:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260821T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-21T10:00:17.209582Z", "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": "2026-08-21T14:00:00Z", "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": "2021-06-01T02:30:37.648035Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-06-01T02:30:39.178979Z", "ended": "2021-06-01T03:19:35.385211Z", "start_waiting": "2021-06-01T02:30:39.045731Z", "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": 59067, "name": "Live 9x9 Double Elimination Tournament 2020-04-15 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260821T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-21T10:00:17.209582Z", "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": "2026-08-21T14:00:00Z", "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": "2020-04-15T14:30:17.004175Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-15T14:30:18.946314Z", "ended": "2020-04-15T15:26:50.263100Z", "start_waiting": "2020-04-15T14:30:17.983479Z", "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": 59120, "name": "der21", "director": { "id": 466732, "username": "percehaie", "country": "fr", "icon": "https://user-uploads.online-go.com/66b39481d5e6b5acbfc866e326c84706-64.png", "ratings": { "version": 5, "overall": { "rating": 1074.7077479286818, "deviation": 63.190905096195884, "volatility": 0.06013100534072089 } }, "ranking": 16.584793774982078, "professional": false, "ui_class": "" }, "description": "19x19 blitz", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 1, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 1, "initial_time": 10, "max_time": 10 }, "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": 18112, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-16T13:40:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-23T07:01:55.336117Z", "ended": "2020-04-23T07:11:56.427389Z", "start_waiting": "2020-04-23T07:01:54.663231Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 67935, "name": "Go GryphONS", "director": { "id": 666747, "username": "JamieT", "country": "un", "icon": "https://user-uploads.online-go.com/0c91c820a39f2b21ef13babc3532fa8a-64.png", "ratings": { "version": 5, "overall": { "rating": 1507.300336819689, "deviation": 65.33806251114896, "volatility": 0.05989566544152926 } }, "ranking": 24.415777427329825, "professional": false, "ui_class": "" }, "description": "wqesqasQWADS", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "aga", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6878, "name": "GH Go Club", "summary": "Welcome to the GH Go Club! \n\nCheck out our complete guide to the game at https://docs.google.com/document/d/1oUztveF3B-u6Vq_2YtkPusHVzhzn4LOJB6ug9GdGjjs/edit.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 20, "icon": "https://user-uploads.online-go.com/a59f80a1dd78e8c1307e14cc627732db-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-17T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-11-17T16:23:40.864639Z", "ended": "2020-12-01T16:37:58.267073Z", "start_waiting": "2020-11-17T16:23:40.628098Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/a59f80a1dd78e8c1307e14cc627732db-15.png", "player_count": 5, "ranked": true }, { "id": 58689, "name": "19der", "director": { "id": 466732, "username": "percehaie", "country": "fr", "icon": "https://user-uploads.online-go.com/66b39481d5e6b5acbfc866e326c84706-64.png", "ratings": { "version": 5, "overall": { "rating": 1074.7077479286818, "deviation": 63.190905096195884, "volatility": 0.06013100534072089 } }, "ranking": 16.584793774982078, "professional": false, "ui_class": "" }, "description": "9x9 correspondance", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 95, "name": "France Go Players", "summary": "Le groupe pour les joueurs français!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1320, "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-08T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-09T04:43:39.684883Z", "ended": "2020-05-12T12:11:55.707600Z", "start_waiting": "2020-04-09T04:43:39.130691Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png", "player_count": 4, "ranked": true }, { "id": 78765, "name": "ทดสอบ", "director": { "id": 912815, "username": "cp06", "country": "un", "icon": "https://user-uploads.online-go.com/4da1ef892b79d62ea729b1964f8d22fc-64.png", "ratings": { "version": 5, "overall": { "rating": 1714.2976090919533, "deviation": 165.413817348452, "volatility": 0.05999825538800575 } }, "ranking": 27.394794550290733, "professional": false, "ui_class": "provisional" }, "description": "ทดสอบ", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4793, "name": "Angel WFH", "summary": "การเล่นหมากล้อมออนไลน์สำหรับทีมพิธีการ และทีมหมากล้อม", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 38, "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-14T03:10:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-08-14T03:10:23.399900Z", "ended": "2021-08-14T03:40:14.213042Z", "start_waiting": "2021-08-14T03:10:23.178826Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-15.png", "player_count": 4, "ranked": true }, { "id": 80172, "name": "Blitz 19x19 Elimination Tournament 2021-09-16 13:30", "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:20260821T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-21T09:00:17.206579Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-08-21T13:00:00Z", "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": "2021-09-16T13:30:35.601634Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-09-16T13:30:37.140512Z", "ended": "2021-09-16T13:53:01.199398Z", "start_waiting": "2021-09-16T13:30:37.019901Z", "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": 59111, "name": "6. EntiGo", "director": { "id": 53434, "username": "vunzi", "country": "de", "icon": "https://secure.gravatar.com/avatar/853adc44af3dc0f3e0854283b6ae196c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1844.8755198549454, "deviation": 70.04335948916246, "volatility": 0.06002666856114894 } }, "ranking": 29.094198245356043, "professional": false, "ui_class": "" }, "description": "EntiGo 6.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1428, "name": "Entimo", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 7, "icon": "https://user-uploads.online-go.com/03a7de0d18324c3d9f360f1e6b5e1cf0-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-18T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-04-18T15:00:41.818824Z", "ended": "2020-12-28T11:44:36.666150Z", "start_waiting": "2020-04-18T15:00:40.926025Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/03a7de0d18324c3d9f360f1e6b5e1cf0-15.png", "player_count": 5, "ranked": true }, { "id": 59121, "name": "Live 9x9 Double Elimination Tournament 2020-04-16 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260821T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-21T10:00:17.209582Z", "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": "2026-08-21T14:00:00Z", "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": "2020-04-16T14:30:20.228770Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-16T14:30:22.946800Z", "ended": "2020-04-16T15:26:14.014791Z", "start_waiting": "2020-04-16T14:30:21.657116Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 13, "ranked": true }, { "id": 59116, "name": "9x9 = 81", "director": { "id": 93396, "username": "aguasnegras", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/62fe13b35920f3da1a5578fb2965f8e6-64.png", "ratings": { "version": 5, "overall": { "rating": 1399.3218114615543, "deviation": 66.32619227944001, "volatility": 0.06014640423818642 } }, "ranking": 22.694980158214875, "professional": false, "ui_class": "" }, "description": "torneo nocturno, doble eliminacion", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5077, "name": "Go-Chu", "summary": "Un lugar para recrearse", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-16T19:35:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-16T19:35:35.978694Z", "ended": "2020-04-16T20:45:56.116109Z", "start_waiting": "2020-04-16T19:35:35.747215Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-15.png", "player_count": 4, "ranked": true } ] }
