Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=3019
{ "count": 59781, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=3020", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=3018", "results": [ { "id": 56935, "name": "Blitz 13x13 Swiss Tournament 2020-02-26 03:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260528T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-28T15:00:16.952458Z", "lead_time_seconds": 1800, 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"group": null, "auto_start_on_max": false, "time_start": "2020-02-26T05:30:41.617279Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-02-26T05:30:43.880385Z", "ended": "2020-02-26T06:14:41.898129Z", "start_waiting": "2020-02-26T05:30:42.917774Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 58016, "name": "Torneo semanal de Fénix", "director": { "id": 167570, "username": "aurelito", "country": "ar", "icon": "https://secure.gravatar.com/avatar/25b36b2070e06c35f8ec9d9c088bb256?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1527.705766127286, "deviation": 61.917653041251405, "volatility": 0.05980182310500477 } }, "ranking": 24.72707354369581, "professional": false, "ui_class": "" }, "description": "Torneo semanal de Fénix, anotense y juegan!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 12, "initial_time": 120, "max_time": 180 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1620, "name": "Fenix", "summary": "Club de Go Fénix", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 23, "icon": "https://user-uploads.online-go.com/d23cd5d7bb800e351b22a6f3a75b275e-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-26T22:15:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-03-26T22:15:12.826494Z", "ended": "2020-03-26T23:00:18.150862Z", "start_waiting": "2020-03-26T22:15:12.069787Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/d23cd5d7bb800e351b22a6f3a75b275e-15.png", "player_count": 6, "ranked": true }, { "id": 59973, "name": "Blitz 19x19 Elimination Tournament 2020-05-02 09:30", "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:20260528T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-28T17:00:16.946010Z", "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": "2026-05-28T21:00:00Z", "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": "2020-05-02T09:30:13.681757Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-02T09:30:15.469107Z", "ended": "2020-05-02T10:22:41.646902Z", "start_waiting": "2020-05-02T09:30:14.735114Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 61490, "name": "Robin's Friends Go Group Correspondance Cup", "director": { "id": 23509, "username": "robindews", "country": "gb", "icon": "https://user-uploads.online-go.com/53b7cf9d9bdd1f8f9c5f4ffe8c21631d-64.png", "ratings": { "version": 5, "overall": { "rating": 1541.866380297196, "deviation": 61.14091419950209, "volatility": 0.06003237465737596 } }, "ranking": 24.94066718342586, "professional": false, "ui_class": "supporter" }, "description": "This is a fun tournament for members of the Online Study Group. Join in and have some Go fun!", "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", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 164, "name": "Ten Minutes to Go", "summary": "A private group for teaching new Go players", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 28, "icon": "https://user-uploads.online-go.com/99eeaed745b6896fc39cfbdcbf5dc630-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-05T16:00:00Z", "players_start": 12, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "group", "started": "2020-06-05T18:11:48.087497Z", "ended": "2020-08-27T11:27:15.851571Z", "start_waiting": "2020-06-05T18:11:47.797734Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/99eeaed745b6896fc39cfbdcbf5dc630-15.png", "player_count": 6, "ranked": true }, { "id": 59009, "name": "Blitz 19x19 Elimination Tournament 2020-04-14 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:20260528T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-28T17:00:16.946010Z", "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": "2026-05-28T21:00:00Z", "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": "2020-04-14T13:30:11.789397Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-14T13:30:13.451371Z", "ended": "2020-04-14T13:58:32.860825Z", "start_waiting": "2020-04-14T13:30:12.765666Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 57780, "name": "Quarantine Tournament (5) 19x19", "director": { "id": 606057, "username": "sleepypeanutpot", "country": "un", "icon": "https://user-uploads.online-go.com/08006ec4e9e63e2758ee6e19e67ace85-64.png", "ratings": { "version": 5, "overall": { "rating": 1228.0586268316251, "deviation": 72.29028903589357, "volatility": 0.059997637195248726 } }, "ranking": 19.67267523199918, "professional": false, "ui_class": "" }, "description": "Train your Go-brain while staying at home!\nHave fun and don’t be bored!\nEveryone Welcome! 30kyu-9dan :)", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 30, "periods": 4 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3222, "name": "GOKSZ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 28, "icon": "https://user-uploads.online-go.com/c22fe607cd9797580423018238a7c399-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-27T15:30:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-03-27T15:30:56.534673Z", "ended": "2020-03-27T18:13:54.977240Z", "start_waiting": "2020-03-27T15:30:55.621297Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c22fe607cd9797580423018238a7c399-15.png", "player_count": 6, "ranked": true }, { "id": 56101, "name": "2nd Young Lions Tournament", "director": { "id": 550024, "username": "Gargantuar", "country": "de", "icon": "https://secure.gravatar.com/avatar/1029565026e3189a3ec6d705c5150152?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1539.1670250873235, "deviation": 61.23300344486674, "volatility": 0.05996522489317626 } }, "ranking": 24.900102813699657, "professional": false, "ui_class": "" }, "description": "Zweites \"Young Lions Tournament\", da einige es vergessen haben, sich im zweiten Afra Turnier anzumelden.\n\nEin 9x9 \"jeder gegen jeden\" (sprich insgesamt eine Runde) mit max. 4 Tagen Bedenkzeit.\n\nViel Spaß!\nがんばってください！\n화이팅!\n\nPS: Der Name ist angelehnt an ein Turnier aus \"Hikaru no Go\" ... sehr lesens-/sehenswert!\n\nPPS: Da ich vergessen habe, auf das neue Tunier hinzuweisen (vor allem das es an alle Gruppenmitglieder eine Nachricht kommt), wurde jetzt das Startdatum auf den 26. Februar verlegt.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 345600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2631, "name": "Freiheit 13", "summary": "inofficial and private group for (former) staff and students of our school - people unaffiliated with our school cannot join", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 42, "icon": "https://user-uploads.online-go.com/065648a4a48bcba4f8ca0a094338606d-64.png" }, "auto_start_on_max": false, "time_start": "2020-02-26T17:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "group", "started": "2020-02-26T17:00:16.124379Z", "ended": "2020-03-19T23:59:01.878314Z", "start_waiting": "2020-02-26T17:00:14.436119Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/065648a4a48bcba4f8ca0a094338606d-15.png", "player_count": 6, "ranked": true }, { "id": 59145, "name": "Karantina Günleri - Quarantine Days", "director": { "id": 90217, "username": "mavi2", "country": "tr", "icon": "https://secure.gravatar.com/avatar/3ee5130ff951d718a10a3edeb0d980a7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1455.7989122642703, "deviation": 63.37983083201952, "volatility": 0.059606021159460384 } }, "ranking": 23.610959256160445, "professional": false, "ui_class": "" }, "description": "Turnuvamız herkese açıktır. Tüm arkadaşlarınızı davet edin, keyifli bir turnuva olsun. \nTournament is open to everyone. Invite your friends and lets make an enjoyable tourney", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 900, "max_time": 900 }, "is_open": true, "exclude_provisional": true, "group": { "id": 447, "name": "turkey go players team", "summary": "Kader Oyunu (the game of destiny)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 167, "icon": "https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-18T20:45:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-18T20:45:58.034533Z", "ended": "2020-04-18T21:57:13.206484Z", "start_waiting": "2020-04-18T20:45:57.431573Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-15.png", "player_count": 6, "ranked": true }, { "id": 57922, "name": "Blitz 13x13 Swiss Tournament 2020-03-24 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260528T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-28T15:00:16.952458Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-05-28T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-03-24T19:30:04.620966Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-24T19:31:05.398710Z", "ended": "2020-03-24T20:23:42.802048Z", "start_waiting": "2020-03-24T19:31:04.305745Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true } ] }
