Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5101
{ "count": 59980, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5102", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5100", "results": [ { "id": 62533, "name": "Kuksu Main Title Tournament 13th 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 13th Cycle - League A\n-->\n\nTitle Holder: \n<a style=\"color:purple\" href='https://online-go.com/user/view/35184/'>vitality [Kuksu] x3</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Cycle</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/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>5-0</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>Sadaharu</td><td><a href='https://online-go.com/tournament/60968'>0-0</a></td><td>SanDiego</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></td><td></td><td></td>\n\t<td><b>Sadaharu (9d)</b></td><td>peecatchoo (9d)</td><td>earlgreyhot (9d)</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/62321'>[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/62322'>[B1]</a>\n\t\t<a href='https://online-go.com/tournament/62323'>[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/62321'>13</a></td>\n\t<td></td><td></td><td></td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/62324'>[C1]</a>\n\t\t<a href='https://online-go.com/tournament/62325'>[C2]</a>\n\t\t<a href='https://online-go.com/tournament/62326'>[C3]</a>\n\t\t<a href='https://online-go.com/tournament/62327'>[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/62328'>[D1]</a>\n\t\t<a href='https://online-go.com/tournament/62329'>[D2]</a>\n\t\t<a href='https://online-go.com/tournament/62330'>[D3]</a>\n\t\t<a href='https://online-go.com/tournament/62331'>[D4]</a>\n\t\t<a href='https://online-go.com/tournament/62332'>[D5]</a>\n\t\t<a href='https://online-go.com/tournament/62333'>[D6]</a>\n\t\t<a href='https://online-go.com/tournament/62334'>[D7]</a>\n\t\t<a href='https://online-go.com/tournament/62335'>[D8]</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/62336'>[E1]</a>\n\t\t<a href='https://online-go.com/tournament/62337'>[E2]</a>\n\t\t<a href='https://online-go.com/tournament/62338'>[E3]</a>\n\t\t<a href='https://online-go.com/tournament/62339'>[E4]</a>\n\t\t<a href='https://online-go.com/tournament/62340'>[E5]</a>\n\t\t<a href='https://online-go.com/tournament/62531'>[E6]</a>\n\t\t<a href='https://online-go.com/tournament/62532'>[E7]</a>\n\t\t<a href='https://online-go.com/tournament/62533'>[E8]</a>\n\t\t<a href='https://online-go.com/tournament/62534'>[E9]</a>\n\t</td>\n\t<td>\n\t\t<a href='https://online-go.com/tournament/62535'>[E10]</a>\n\t\t<a href='https://online-go.com/tournament/62536'>[E11]</a>\n\t\t<a href='https://online-go.com/tournament/62537'>[E12]</a>\n\t\t<a href='https://online-go.com/tournament/62538'>[E13]</a>\n\t\t<a href='https://online-go.com/tournament/62539'>[E14]</a>\n\t\t<a href='https://online-go.com/tournament/62540'>[E15]</a>\n\t\t<a href='https://online-go.com/tournament/62541'>[E16]</a>\n\t</td>\n\t<td></td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement.\n\nPlease refer to the basic rules <a href='https://forums.online-go.com/t/league-format-kuksu-title-tournament-rules-and-discussion/5191'>here</a>.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "korean", "time_per_move": 93120, "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": false, "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": "2020-07-29T09:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-07-14T03:55:57.731028Z", "ended": "2020-10-28T17:37:12.745514Z", "start_waiting": "2020-07-14T03:55:57.281086Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 5, "ranked": true }, { "id": 66595, "name": "Kata-Go", "director": { "id": 817428, "username": "Deleted_2020_12_30_13:56", "country": "un", "icon": "https://secure.gravatar.com/avatar/63fc518cc211a84e86a5219bbaa74bb4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2670.310901594028, "deviation": 82.44996474119897, "volatility": 0.05999921434266387 } }, "ranking": 37.65467705375717, "professional": false, "ui_class": "" }, "description": "Selfplay", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 286080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 259200, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7065, "name": "KG/LZ/Leela", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-10-31T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 22, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-10-31T00:00:22.012014Z", "ended": "2021-01-29T17:03:28.539993Z", "start_waiting": "2020-10-31T00:00:21.662268Z", "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": 125480, "name": "sadaharu🏆🏆🏆", "director": { "id": 1687058, "username": "Kaw_Ninja", "country": "pt", "icon": "https://user-uploads.online-go.com/65362065d6e8e89c6607395ba8eb3d2f-64.png", "ratings": { "version": 5, "overall": { "rating": 952.4415334467215, "deviation": 70.79654177968679, "volatility": 0.06431646549167647 } }, "ranking": 13.788845156340887, "professional": false, "ui_class": "" }, "description": "для всех турнир\nпрофи надеюсь придут\nможет садахару", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 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": 18018, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-16T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-19T18:09:25.929488Z", "ended": "2025-05-30T08:29:21.714590Z", "start_waiting": "2025-02-19T18:09:25.836728Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 60171, "name": "Fast Correspondence - 9x9 - Weekly Round Robin - 2020, #20", "director": { "id": 497519, "username": "Kosh-retired", "country": "_Lord_Howe_Island", "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1574.954785564748, "deviation": 61.40997215047312, "volatility": 0.060088015249815864 } }, "ranking": 25.432209892698047, "professional": false, "ui_class": "" }, "description": "### ! Does NOT pause on the weekend !\n\n<body>\n <h2 style=\"color:red\">This tournament is for players that don't use vacation.</h2>\n</body>\n\n---\n\n- Just one round of simultaneous games. Chinese Rules/Scoring.\n\n- This is a '**FAST** Correspondence Tournament'. Please avoid delaying your games using the Vacation feature or Pause. Any participant using Vacation or Pause may be disqualified (and forfeit unfinished games) at the discretion of the Tournament Director.\n\n- Please make sure you understand the [**'Clock' settings**](https://github.com/online-go/online-go.com/wiki/Finding-(starting)-a-game#basic-time-controls-explained) before you join this tournament. It typically takes 2-3 weeks to complete and you will need to log on and play at two well-spaced times most days to avoid losing by timeout.\n\n- If this suits you then, Bonne Partie....and please invite your friends. :)", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 44160, "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": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 827, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-13T23:57:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-13T23:57:54.169086Z", "ended": "2020-05-23T21:10:06.054110Z", "start_waiting": "2020-05-13T23:57:50.270964Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 67244, "name": "Correspondence 9x9 RoundRobin 2020-10-31 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260619T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-06-19T19:00:19.636341Z", "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": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-06-22T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-10-31T19:00:10.976692Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-31T19:01:14.056059Z", "ended": "2020-11-20T23:25:07.845650Z", "start_waiting": "2020-10-31T19:01:09.968087Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 67241, "name": "ааааааавава", "director": { "id": 865397, "username": "lil_utro", "country": "un", "icon": "https://secure.gravatar.com/avatar/5682c695b3144175150889d8ce9af34e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 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