Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4923
{ "count": 59249, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4924", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4922", "results": [ { "id": 106429, "name": "Blitz 19x19 Elimination Tournament 2023-08-14 13:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260406T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-06T05:00:17.663741Z", "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": "2026-04-06T09:00:00Z", "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": "2023-08-14T13:30:55.592166Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-14T13:34:55.745168Z", "ended": "2023-08-14T13:43:32.842464Z", "start_waiting": "2023-08-14T13:34:55.631555Z", "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": 117226, "name": "Speed chess tourney warm up", "director": { "id": 1345524, "username": "RYDE", "country": "un", "icon": "https://secure.gravatar.com/avatar/a930974d00e101f87e3c8f7df176e571?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1398.6897678611665, "deviation": 63.15650273391108, "volatility": 0.06005975382915719 } }, "ranking": 22.684521438382564, "professional": false, "ui_class": "" }, "description": "Simulation for speed chess", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 14, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13134, "name": "SPMS Weiqi AY24/25", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 34, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-06-18T11:45:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-06-18T11:44:10.775066Z", "ended": "2024-06-18T13:21:16.321245Z", "start_waiting": "2024-06-18T11:44:10.526358Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 84927, "name": "Воскресенье 16 января", "director": { "id": 659128, "username": "Эльфия Ходжер", "country": "ru", "icon": "https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png", "ratings": { "version": 5, "overall": { "rating": 1142.6037099733014, "deviation": 69.33546267594073, "volatility": 0.06014583385101939 } }, "ranking": 18.00298249956304, "professional": false, "ui_class": "" }, "description": "=) сегодня тут", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10058, "name": "НижнеАмурское Го))", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/f6d77b6e44db9494f44346d769972596-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-16T05:15:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-16T05:15:45.829472Z", "ended": "2022-01-16T07:12:17.385877Z", "start_waiting": "2022-01-16T05:15:45.750504Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f6d77b6e44db9494f44346d769972596-15.png", "player_count": 4, "ranked": true }, { "id": 84933, "name": "HELLO!", "director": { "id": 1108650, "username": "ben0217", "country": "un", "icon": "https://secure.gravatar.com/avatar/bb0faf917ab9ac666a9eec6a6a39aab8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1236.1855321174435, "deviation": 216.30842998615762, "volatility": 0.05999910988245302 } }, "ranking": 19.825369954859255, "professional": false, "ui_class": "provisional" }, "description": "WE CAN PLAY", "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": false, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8865, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-16T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-19T19:56:59.511505Z", "ended": "2022-05-06T17:22:12.867058Z", "start_waiting": "2022-02-19T19:56:59.283228Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 4, "ranked": true }, { "id": 86301, "name": "19-2 1 -> 周家峻 2 -> 鄒綽廉", "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": "19-2 1 -> 周家峻 2 -> 鄒綽廉", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 20, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-02-19T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-02-19T10:12:50.264720Z", "ended": "2022-02-19T10:53:45.026566Z", "start_waiting": "2022-02-19T10:12:50.214626Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 96485, "name": "MHS - Monthly Go Tournament - 1", "director": { "id": 862441, "username": "kkll2010", "country": "tw", "icon": "https://user-uploads.online-go.com/59e3c435676eaecbe09657a3b5a14101-64.png", "ratings": { "version": 5, "overall": { "rating": 1486.0795536676756, "deviation": 62.75130891032089, "volatility": 0.060082641440334934 } }, "ranking": 24.08754019850525, "professional": false, "ui_class": "" }, "description": "kkll2010 vs insanegameingonyt\n(MHS ranked)", "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": 12458, "name": "Gamer Clan", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/bc7181bcd3b774fc6aa4ee32f331a99e-64.png" }, "auto_start_on_max": true, "time_start": "2022-11-06T18:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2022-11-06T18:00:26.104028Z", "ended": "2022-11-10T03:55:40.148987Z", "start_waiting": "2022-11-06T18:00:26.021964Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bc7181bcd3b774fc6aa4ee32f331a99e-15.png", "player_count": 2, "ranked": true }, { "id": 86615, "name": "馮子宸 7 -> 陳俊霖", "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": "馮子宸\n7 -> 陳俊霖", "schedule": null, "title": null, "tournament_type": "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": 600, "period_time": 20, "periods": 2 }, "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": "2022-02-27T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-02-27T03:49:58.328442Z", "ended": "2022-02-27T04:03:37.748195Z", "start_waiting": "2022-02-27T03:49:58.284076Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 53126, "name": "Mingren Main Title Tournament 2019", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2004.4188438214221, "deviation": 67.71437067217448, "volatility": 0.06015576961047741 } }, "ranking": 31.014313855840236, "professional": false, "ui_class": "supporter" }, "description": "Mingren Main Title Tournament 2019\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/48681/'>Sadaharu [Mingren] x2+1</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">Title Tournament Winner<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_19.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_19.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_19.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2378'>2007</a></td>\n\t<td><b>gomad361</b></td><td></td><td></td>\n\t<td><b>gomad361 (2d)</b></td><td>davos (3d)</td><td>doubleR (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2394'>2008</a></td>\n\t<td><b>gomad361</b></td><td>∗</td><td>KyuT</td>\n\t<td><b>KyuT (4d)</b></td><td>morituri (2d)</td><td>betterlife (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2409'>2009</a></td>\n\t<td><b>Rathbone</b></td><td>3-2</td><td>gomad361</td>\n\t<td><b>Rathbone (4d)</b></td><td>Uberdude (6d)</td><td>betterlife (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2425'>2010</a></td>\n\t<td><b>Rathbone</b></td><td>5-0</td><td>Elin</td>\n\t<td><b>Rathbone (4d)</b></td><td>Elin (3d)</td><td>gomad361 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2441'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>Rathbone</td>\n\t<td><b>vitality (5d)</b></td><td>fabu (1d)</td><td>gojohn (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2462'>2012</a></td>\n\t<td><b>Sadaharu</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>Sadaharu (5d)</b></td><td>vitality (5d)</td><td>shilba (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2481'>2013</a></td>\n\t<td><b>gogop2016</b></td>\n\t<td>3-2 (∗)</td>\n\t<td>Sadaharu</td>\n\t<td><b>gogop2016 (3d)</b></td><td>naptod (2k)</td><td>Erproxy (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4531'>2014</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>5-0 (∗)</td>\n\t<td>gogop2016</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>MagariSimoku (9d)</td>\n\t<td>mark5000 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/14332'>2015</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>5-0 (∗)</td>\n\t<td><b>vor09</b></td>\n\t<td>vor09 (2d)</td>\n\t<td>SanDiego (2d)</td>\n\t<td>gamesorry (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/23682'>2016</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td><b>micky0427</b></td>\n\t<td>micky0427 (5d)</td>\n\t<td>Winterfell (7d)</td>\n\t<td># (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/30642'>2017</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 3</td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/42054'>2018</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 1</td>\n\t<td></td>\n\t<td></td>\n</tr>\n</table>\n\nNotes: \n- ∗ means some or all games were ended by timeout or retirement.\n- Old OGS ranks are displayed for cycles before 2014.\n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? 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