Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5112
{ "count": 59688, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5113", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5111", "results": [ { "id": 130548, "name": "CHEERFUL GO #100 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 1932.1841776428366, "deviation": 69.33602018764607, "volatility": 0.05983442305471146 } }, "ranking": 30.164636998294217, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 72, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2025-07-24T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-24T04:00:36.198413Z", "ended": "2025-09-28T06:30:32.693532Z", "start_waiting": "2025-07-24T04:00:36.096494Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 11, "ranked": true }, { "id": 136940, "name": "Beginners fight club", "director": { "id": 1901664, "username": "deleted-0d14e7ba-294c-4f05-8a2d-598440adbd99", "country": "ru", "icon": "https://user-uploads.online-go.com/008409a8b0f615c9df2146442d116588-64.png", "ratings": { "version": 5, "overall": { "rating": 1155.0950809191593, "deviation": 69.95506381986796, "volatility": 0.060030168361559944 } }, "ranking": 18.25469354843633, "professional": false, "ui_class": "" }, "description": "Go, beginners!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 43200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 43200 }, "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": 17965, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2026-02-02T06:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2026-02-02T06:01:09.351333Z", "ended": "2026-03-01T11:52:15.619168Z", "start_waiting": "2026-02-02T06:01:08.858664Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 11, "ranked": true }, { "id": 60318, "name": "第１期かおり杯名人戦名人リーグ（6d～）", "director": { "id": 575743, "username": "site15", "country": "un", "icon": "https://user-uploads.online-go.com/bc007d9395773691f25a5b61c493d20c-64.png", "ratings": { "version": 5, "overall": { "rating": 2232.771642016839, "deviation": 66.15745879617059, "volatility": 0.059975550212188235 } }, "ranking": 33.51195664282314, "professional": false, "ui_class": "" }, "description": "名人リーグ参加希望の方は、このページのチャット欄に参加希望旨ご記載くださいｍ（．．）ｍ参加者確定後、招待いたします。\n\n人数が多い場合は、抽選によりリーグを分割します（１リーグ８名程度目安）。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2969, "name": "かおり杯-World Kaori Cup-", "summary": "For every player who enjoy go game", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 296, "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-23T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-05-23T11:00:38.358096Z", "ended": "2020-06-28T13:46:04.471474Z", "start_waiting": "2020-05-23T11:00:37.209217Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png", "player_count": 6, "ranked": true }, { "id": 69912, "name": "21年1月9日 下午C班", "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": "21年1月9日 下午C班", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 480, "period_time": 10, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-01-09T08:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-01-09T07:13:51.166761Z", "ended": "2021-01-09T07:40:27.089237Z", "start_waiting": "2021-01-09T07:13:51.068171Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 116039, "name": "Blitz 19x19 Elimination Tournament 2024-05-14 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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260518T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-18T21:00:12.764143Z", "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": "2026-05-19T01:00:00Z", "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": "2024-05-14T17:30:04.806188Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-05-14T17:31:04.957317Z", "ended": "2024-05-14T18:03:57.073677Z", "start_waiting": "2024-05-14T17:31:04.807163Z", "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": 63422, "name": "GO Beginners players - OPEN - 25-18 Kyu", "director": { "id": 75250, "username": "mcardenas", "country": "ar", "icon": "https://user-uploads.online-go.com/e99f42d2b8300f36dc8caaa5d5149fe4-64.png", "ratings": { "version": 5, "overall": { "rating": 952.1642396684373, "deviation": 65.15643795973772, "volatility": 0.05996596142427853 } }, "ranking": 13.782104285234388, "professional": false, "ui_class": "" }, "description": "Group GO Beginners\nOPEN to all player from 25 to 18 kyu.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 44640, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 129600, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 177, "name": "GO Beginners", "summary": "For alle GO beginners of the world. We play tournaments with rating limit.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 259, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-08-01T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-29T16:09:55.691291Z", "ended": "2020-10-22T15:20:40.967140Z", "start_waiting": "2020-07-29T16:09:54.255707Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 131562, "name": "Houston Go Club - Round Robin Correspondence Tournament", "director": { "id": 473476, "username": "ajiadjuster", "country": "us", "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png", "ratings": { "version": 5, "overall": { "rating": 1886.9598995848182, "deviation": 69.41060089332123, "volatility": 0.05981262866327778 } }, "ranking": 29.616351333129803, "professional": false, "ui_class": "supporter" }, "description": "Everyone plays everyone once, simultaneously. (If the tournament is full with 8 players, each individual will have 7 simultaneous games.)\n\n***Tournament starts when full***", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 44568, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1274, "name": "Houston Go Club", "summary": "Playing go online and at real boards in Houston, Texas.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 76, "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-01T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-10-01T17:00:49.197054Z", "ended": "2025-11-03T19:51:05.056923Z", "start_waiting": "2025-10-01T17:00:49.013073Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png", "player_count": 5, "ranked": true }, { "id": 58849, "name": "Blitz 19x19 Elimination Tournament 2020-04-11 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:20260518T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-18T21:00:12.764143Z", "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": "2026-05-19T01:00:00Z", "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": "2020-04-11T17:30:17.245246Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-11T17:30:19.397056Z", "ended": "2020-04-11T17:50:00.763983Z", "start_waiting": "2020-04-11T17:30:18.673819Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 58847, "name": "Live 19x19 Swiss Tournament 2020-04-11 16:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260519T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-19T00:00:12.782963Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "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": "2026-05-19T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-04-11T16:30:14.540374Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-11T16:30:17.298853Z", "ended": "2020-04-11T19:07:37.376325Z", "start_waiting": "2020-04-11T16:30:15.828807Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 11, "ranked": true }, { "id": 123957, "name": "Blitz 19x19 Elimination Tournament 2025-01-04 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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260518T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-18T21:00:12.764143Z", "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": "2026-05-19T01:00:00Z", "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": "2025-01-04T13:30:36.763521Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-01-04T13:31:36.597083Z", "ended": "2025-01-04T13:58:04.884614Z", "start_waiting": "2025-01-04T13:31:36.519343Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true } ] }
