Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-started&page=3793
{ "count": 59244, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=3794", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=3792", "results": [ { "id": 54038, "name": "Live 9x9 Double Elimination Tournament 2019-11-20 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260131T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-31T14:01:03.409879Z", "lead_time_seconds": 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false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260131T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-31T14:01:03.409879Z", "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": "2026-01-31T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, 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{ "rating": 2025.7747302112762, "deviation": 69.14106842831964, "volatility": 0.06016005566835261 } }, "ranking": 31.259658595865297, "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? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2957, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2019-11-20T05:00:00Z", "players_start": 150, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-11-20T05:01:02.667237Z", "ended": "2022-01-15T18:39:36.905291Z", "start_waiting": "2019-11-20T05:00:21.177277Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 151, "ranked": true }, { "id": 54022, "name": "Live 9x9 Double Elimination Tournament 2019-11-20 02:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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