Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4325
{ "count": 59204, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4326", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4324", "results": [ { "id": 59624, "name": "Low ranked tournament 24 - 20 Kyu", "director": { "id": 635649, "username": "Kinsetsu", "country": "gb", "icon": "https://user-uploads.online-go.com/0b77bbe495d5bb9305a966f363acdf71-64.png", "ratings": { "version": 5, "overall": { "rating": 636.067546201368, "deviation": 68.29021479174683, "volatility": 0.05997814582336807 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "A 19 x 19 tournament for beginners.", "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", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "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": "2020-04-30T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 6, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-30T21:00:46.038768Z", "ended": "2020-12-25T17:36:57.187941Z", "start_waiting": "2020-04-30T21:00:41.788586Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 60499, "name": "go best", "director": { "id": 736026, "username": "李張樂", "country": "hk", "icon": "https://secure.gravatar.com/avatar/d45769aab0523878768b0b2d1164cd85?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1373.2951358573407, "deviation": 64.83524429933749, "volatility": 0.060011864092403285 } }, "ranking": 22.260347282571285, "professional": false, "ui_class": "" }, "description": "yuggfhhjhuihuigyufyt", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": 2478, "name": "British Go Association", "summary": "A few simple rules ... limitless possibilities", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 342, "icon": "https://user-uploads.online-go.com/09e82a6bea1540e5d35d002f05d51a47-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-14T08:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-14T08:00:11.259529Z", "ended": "2020-05-14T08:01:28.279567Z", "start_waiting": "2020-05-14T08:00:11.050787Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/09e82a6bea1540e5d35d002f05d51a47-15.png", "player_count": 1, "ranked": true }, { "id": 69450, "name": "hi123", "director": { "id": 902188, "username": "myuser", "country": "un", "icon": "https://secure.gravatar.com/avatar/aceadbd065ceb2fea6189a5aaa6755e7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1618.492895996298, "deviation": 280.92266070161696, "volatility": 0.05999919647263529 } }, "ranking": 26.06348355803637, "professional": false, "ui_class": "provisional" }, "description": "hi123", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": false, "group": { "id": 7760, "name": "1234565", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-12-27T09:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-12-27T09:30:17.853145Z", "ended": "2020-12-27T09:33:11.813331Z", "start_waiting": "2020-12-27T09:30:17.791660Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 119314, "name": "Kuksu Main Title Tournament 15th Cycle - League E8", "director": { "id": 199065, "username": "Kuksu League", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500.0, "deviation": 350.0, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "<!--\nKuksu Main Title Tournament 15th Cycle - League A\n-->\n\nTitle Holder:\n<a style=\"color:purple\" href='https://online-go.com/player/43936/Sadaharu'>Sadaharu [Kuksu] x2</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<td style=\"border:1px solid\"><b>Cycle</b></td>\n\t<td style=\"border:1px solid\"><b>Title Match<br/>Winner</b></td>\n\t<td style=\"border:1px solid\"><b>Score</b></td>\n\t<td style=\"border:1px solid\"><b>Title Match<br/>Runner-up</b></td>\n\t<td style=\"border:1px solid\"><b>Title Tournament<br/>Winner</b><img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_19.png' alt='Gold'></img></td>\n\t<td style=\"border:1px solid\"><b>Title Tournament<br/>Runner-up</b><img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_19.png' alt='Silver'></img></td>\n\t<td style=\"border:1px solid\"><b>Title Tournament<br/>3rd Place</b><img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_19.png' alt='Bronze'></img></td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2375'>1</a></td>\n\t<td><b>luke</b></td><td></td><td></td>\n\t<td><b>luke (4d)</b></td><td>davos (5d)</td><td>gomad361 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2384'>2</a></td>\n\t<td><b>gomad361</b></td><td>3-2</td><td>luke</td>\n\t<td><b>luke (4d)</b></td><td>gomad361 (4d)</td><td>hotspur (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2391'>3</a></td>\n\t<td><b>Uberdude</b></td><td>∗</td><td>gomad361</td>\n\t<td><b>Uberdude (9d)</b></td><td>KyuT (4d)</td><td>marigo (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2406'>4</a></td>\n\t<td><b>Uberdude</b></td><td>5-0</td><td>KyuT</td>\n\t<td><b>KyuT (4d)</b></td><td>quiller (5d)</td><td>morituri (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2424'>5</a></td>\n\t<td><b>Uberdude</b></td><td>5-0</td><td>gomad361</td>\n\t<td><b>gomad361 (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/2439'>6</a></td>\n\t<td><b>Uberdude</b></td><td>5-0</td><td>Elin</td>\n\t<td><b>Elin (5d)</b></td><td>gomad361 (4d)</td><td>morituri (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2460'>7</a></td>\n\t<td><b>Uberdude</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>vitality (9d)</b></td><td>Elin (5d)</td><td>gomad361 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2475'>8</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>Uberdude</td>\n\t<td><b>vitality (9d)</b></td><td>nrx (5d)</td><td>gojohn (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/12653'>9</a></td>\n\t<td><b>vitality</b></td><td>5-0</td><td>Sadaharu</td>\n\t<td><b>Sadaharu (7d)</b></td><td>xhu98 (8d)</td><td>tegais (6d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/23029'>10</a></td>\n\t<td><b>vitality</b></td><td><a href='https://online-go.com/game/11519617'>5-0</a></td><td>micky0427</td>\n\t<td><b>micky0427 (7d)</b></td><td>SanDiego (4d)</td><td>tegais (6d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/36244'>11</a></td>\n\t<td><b>SanDiego</b></td><td><a href='https://online-go.com/tournament/60968'>5-0 (∗)</a></td><td>Sadaharu</td>\n\t<td><b>peecatchoo (9d+)</b></td><td>Sadaharu (9d)</td><td>Isoko (6d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/47922'>12</a></td>\n\t<td><b>Sadaharu</b></td><td><a href='https://online-go.com/tournament/73458'>5-0</a></td><td>tegais</td>\n\t<td><b>Sadaharu (9d)</b></td><td>peecatchoo (9d)</td><td>earlgreyhot (9d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/62321'>13</a></td>\n\t<td><b>Sadaharu</b></td><td><a href='https://online-go.com/tournament/100550'>5-0 (∗)</a></td><td>drmwc</td>\n\t<td><b>drmwc [6d]</b></td><td>KUNIJEEL [6d]</td><td>bookkey1234567 [7d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/79585'>14</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>claire yang [8d]</b></td><td>Bhsd [6d]</td><td>Neandertaler [3d]</td>\n</tr>\n<tr>\n\t<td></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119292'>[A]</a>\n\t</td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119293'>[B1]</a>\n\t\t<a href='https://online-go.com/tournament/119294'>[B2]</a>\n\t</td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/119292'>15</a></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119295'>[C1]</a>\n\t\t<a href='https://online-go.com/tournament/119296'>[C2]</a>\n\t\t<a href='https://online-go.com/tournament/119297'>[C3]</a>\n\t\t<a href='https://online-go.com/tournament/119298'>[C4]</a>\n\t</td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119299'>[D1]</a>\n\t\t<a href='https://online-go.com/tournament/119300'>[D2]</a>\n\t\t<a href='https://online-go.com/tournament/119301'>[D3]</a>\n\t\t<a href='https://online-go.com/tournament/119302'>[D4]</a>\n\t\t<a href='https://online-go.com/tournament/119303'>[D5]</a>\n\t\t<a href='https://online-go.com/tournament/119304'>[D6]</a>\n\t</td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119305'>[D7]</a>\n\t\t<a href='https://online-go.com/tournament/119306'>[D8]</a>\n\t</td>\n\t<td></td>\n</tr>\n<tr>\n\t<td></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119307'>[E1]</a>\n\t\t<a href='https://online-go.com/tournament/119308'>[E2]</a>\n\t\t<a href='https://online-go.com/tournament/119309'>[E3]</a>\n\t\t<a href='https://online-go.com/tournament/119310'>[E4]</a>\n\t\t<a href='https://online-go.com/tournament/119311'>[E5]</a>\n\t\t<a href='https://online-go.com/tournament/119312'>[E6]</a>\n\t</td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119313'>[E7]</a>\n\t\t<a href='https://online-go.com/tournament/119314'>[E8]</a>\n\t\t<a href='https://online-go.com/tournament/119316'>[E9]</a>\n\t\t<a href='https://online-go.com/tournament/119317'>[E10]</a>\n\t\t<a href='https://online-go.com/tournament/119318'>[E11]</a>\n\t</td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119320'>[E12]</a>\n\t\t<a href='https://online-go.com/tournament/119321'>[E13]</a>\n\t\t<a href='https://online-go.com/tournament/119322'>[E14]</a>\n\t\t<a href='https://online-go.com/tournament/119323'>[E15]</a>\n\t\t<a href='https://online-go.com/tournament/119324'>[E16]</a>\n\t</td>\n</tr>\n<!-- \n<tr>\n\t<td></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119326'>[F1]</a>\n\t\t<a href='https://online-go.com/tournament/119327'>[F2]</a>\n\t\t<a href='https://online-go.com/tournament/119328'>[F3]</a>\n\t\t<a href='https://online-go.com/tournament/119330'>[F4]</a>\n\t\t<a href='https://online-go.com/tournament/119331'>[F5]</a>\n\t\t<a href='https://online-go.com/tournament/119332'>[F6]</a>\n\t</td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119333'>[F7]</a>\n\t\t<a href='https://online-go.com/tournament/119334'>[F8]</a>\n\t\t<a href='https://online-go.com/tournament/119335'>[F9]</a>\n\t\t<a href='https://online-go.com/tournament/119337'>[F10]</a>\n\t\t<a href='https://online-go.com/tournament/119338'>[F11]</a>\n\t</td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/119339'>[F12]</a>\n\t</td>\n</tr>\n -->\n</table>\n\n∗ means the games were finished by timeout or retirement.\n\nNotes:\n- Please refer to the basic rules <a href='https://forums.online-go.com/t/league-format-kuksu-title-tournament-rules-and-discussion/5191'>here</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "korean", "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": 2970, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-03T08:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2024-11-07T07:03:24.611699Z", "ended": "2025-03-02T00:27:26.900517Z", "start_waiting": "2024-11-07T07:03:24.404966Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 6, "ranked": true }, { "id": 129497, "name": "Correspondence 9x9 RoundRobin 2025-06-16 19:00", "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 Site-wide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260330T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-30T19:00:11.791375Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": 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