Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5612
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5613", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5611", "results": [ { "id": 111366, "name": "GG EZ", "director": { "id": 714840, "username": "sergey_m", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/7a1724a13c97be90f68ee82f9344b067-64.png", "ratings": { "version": 5, "overall": { "rating": 1447.8290105365616, "deviation": 61.182070062621186, "volatility": 0.06011080944589961 } }, "ranking": 23.483874317420803, "professional": false, "ui_class": "" }, "description": "Why you read it?", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 1, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 0, "period_time": 1, "periods": 1 }, "is_open": true, "exclude_provisional": false, "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": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-05T16:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-05T16:30:47.943449Z", "ended": "2024-01-05T16:32:34.792446Z", "start_waiting": "2024-01-05T16:30:47.862933Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 117711, "name": "Mingren Handicap Title Tournament 2023", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2012.1989122636944, "deviation": 66.87157068355577, "volatility": 0.06015938835110416 } }, "ranking": 31.103995683001028, "professional": false, "ui_class": "supporter" }, "description": "Mingren Handicap Title Tournament 2023\n\nTitle Holder: <a style=\"color:deepskyblue\" href='https://online-go.com/user/view/622617'>zormerton [Handicap Mingren] x1</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\">\n\t\tTitle Tournament Winner<img src='https://web.archive.org/web/20130811133657im_/http://online-go.com/images/award_images/1/h1.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up<img src='https://web.archive.org/web/20130820061650im_/http://online-go.com/images/award_images/1/h2.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place<img src='https://web.archive.org/web/20130820061650im_/http://online-go.com/images/award_images/1/h3.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2377'>2007</a></td>\n\t<td><b>gonut</b></td><td></td><td></td>\n\t<td><b>gonut (4k)</b></td><td>maproom (2k)</td><td>illluck (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2396'>2008</a></td>\n\t<td><b>Carel</b></td><td></td><td></td>\n\t<td><b>Carel (9k)</b></td><td>iwi (3k)</td><td>chriswks (11k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2411'>2009</a></td>\n\t<td><b>James02</b></td><td></td><td></td>\n\t<td><b>James02 (6k)</b></td><td>modernhamlet (6k)</td><td>ethee (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2427'>2010</a></td>\n\t<td><b>Dagger363</b></td><td></td><td></td>\n\t<td><b>Dagger363 (5k)</b></td><td>Piotrus86 (5k)</td><td>bmcatalin (11k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2443'>2011</a></td>\n\t<td><b>gubbelface</b></td><td></td><td></td>\n\t<td><b>gubbelface (5k)</b></td><td>Zvone (15k)</td><td>mwinegar26 (12k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2464'>2012</a></td>\n\t<td><b>zebra</b></td><td></td><td></td>\n\t<td><b>zebra (1k)</b></td><td>sekoj (1d)</td><td>GoMeister (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2483'>2013</a></td>\n\t<td><b>zebra</b></td><td><a href='https://online-go.com/game/4642403'>5-0 (*)</a></td><td>zpr</td>\n\t<td><b>zpr (2k)</b></td><td>Chieko (9k)</td><td>jpro (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20301'>2016</a></td>\n\t<td><b>kickaha</b></td><td><a href='https://online-go.com/game/15672233'>3-1</a></td><td>zebra</td>\n\t<td><b>kickaha [1k]</b></td><td>dol [7k]</td><td>Alex666 [3k]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/48045'>2019</a></td>\n\t<td><b>zormerton</b></td><td><a href='https://online-go.com/tournament/79557'>3-2</a></td><td>kickaha</td>\n\t<td><b>DVbS78rkR7NVe [1d]</b></td><td>zormerton [3k]</td><td>Jacklanterne [2k]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/80970'>2021</a></td>\n\t<td>TBA: zormerton</td><td>vs</td><td>stianv</td>\n\t<td><b>stianv [3d]</b></td><td>soero [4k]</td><td>Feijoa [6k]</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement.\n\nNotes:\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>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "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": 2988, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2024-09-17T08:00:00Z", "players_start": 150, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-09-20T05:15:25.720821Z", "ended": null, "start_waiting": "2024-09-20T05:15:15.325146Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 140, "ranked": true }, { "id": 88437, "name": "3 -> 何炬輘 4 -> 陳建臻", "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": "3 -> 何炬輘\n4 -> 陳建臻", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "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": "2022-04-09T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-04-09T03:48:44.875751Z", "ended": "2022-04-09T04:13:00.653138Z", "start_waiting": "2022-04-09T03:48:44.822867Z", "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": 136768, "name": "Handicap Arena 2026 - 009", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1048.0431981903662, "deviation": 64.6022523721619, "volatility": 0.06006190641971112 } }, "ranking": 16.0031741581676, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2026. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-30T17:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-29T14:04:01.208239Z", "ended": null, "start_waiting": "2026-01-29T14:04:00.484491Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 62808, "name": "Ice cream month!!!", "director": { "id": 747694, "username": "kingkaio", "country": "ua", "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png", "ratings": { "version": 5, "overall": { "rating": 1167.6804695413712, "deviation": 62.48738706337885, "volatility": 0.06012577810744558 } }, "ranking": 18.505561177652012, "professional": false, "ui_class": "" }, "description": "July is ice cream month\n\nLong tournament stress free just like ice cream\n\nAnyone can join\n\nWhats your favorite Ice Cream flavor, Mine is cookie monster (cookies and cream with cookie dough). Put it in the chat", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 440640, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 432000, "initial_time": 777600, "max_time": 1814400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5683, "name": "Tournaments Group", "summary": "A group for people who like tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-10T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-07-10T23:00:31.558223Z", "ended": "2021-02-12T15:22:53.575563Z", "start_waiting": "2020-07-10T23:00:31.276440Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png", "player_count": 4, "ranked": true }, { "id": 106009, "name": "Blitz 19x19 Elimination Tournament 2023-08-02 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:20260624T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-24T05:00:16.099669Z", "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": "2026-06-24T09:00:00Z", "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": "2023-08-02T09:30:52.345928Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-02T09:31:52.487341Z", "ended": "2023-08-02T09:55:56.717212Z", "start_waiting": "2023-08-02T09:31:52.380068Z", "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": 70741, "name": "สาระRails361! Tour ครั้งที่ 32", "director": { "id": 148806, "username": "โอ๋ชิงหยวน", "country": "th", "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png", "ratings": { "version": 5, "overall": { "rating": 1511.1079634111109, "deviation": 64.8191428406591, "volatility": 0.05948901750987273 } }, "ranking": 24.47418344373302, "professional": false, "ui_class": "" }, "description": "#RESPECT\n\nOnly a few close friends were invited.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 12480, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1123200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2571, "name": "Go World Wide", "summary": "enjoy", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 90, "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-12T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 22, "max_ranking": 33, "analysis_enabled": false, "exclusivity": "invite", "started": "2021-02-12T15:00:43.448815Z", "ended": "2021-03-17T14:28:32.830964Z", "start_waiting": "2021-02-12T15:00:42.273748Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png", "player_count": 10, "ranked": true }, { "id": 72869, "name": "Live 19x19 Swiss Tournament 2021-03-21 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 } }, 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