Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=2277
{ "count": 59466, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=2278", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=2276", "results": [ { "id": 4470, "name": "Honinbo Main Title Tournament 2015", "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": "Honinbo Main Title Tournament 2015\n\nTitle Holder: <a href='https://online-go.com/user/view/39317/nrx'>nrx (3d)</a>\n\nPast tournaments:\n\n<table style=\"text-align:center;\" border='2'>\n<tr><th rowspan=2>Year</th><th rowspan=2>Title Tournament Winner</th><th colspan=3>Title Match</th></tr>\n<tr><th>Winner</th><th>Score</th><th>Runner-up</th></tr>\n<tr><td><a href='https://online-go.com/tournament/2370'>2007</a></td><td>luke (1d)</td><td>luke</td><td></td><td></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2390'>2008</a></td><td>Uberdude (6d)</td><td>Uberdude</td><td>∗</td><td>luke</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2403'>2009</a></td><td>gomad361 (2d)</td><td>Uberdude</td><td>5-0</td><td>gomad361</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2420'>2010</a></td><td>Elin (3d)</td><td>Uberdude</td><td>5-0</td><td>Elin</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2435'>2011</a></td><td>Uberdude (6d)</td><td>Uberdude</td><td></td><td></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2457'>2012</a></td><td>nrx (3d)</td><td>nrx</td><td>∗</td><td>Uberdude</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2477'>2013</a></td><td>Ongoing (Round 3)</td><td></td><td></td><td></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2495'>2014</a></td><td>Ongoing (Round 2)</td><td></td><td></td><td></td></tr>\n</table>\n\n∗ means the games were finished by timeout or retiring.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "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": 2971, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2015-04-01T07:00:00Z", "players_start": 250, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-04-01T07:00:59.295390Z", "ended": "2018-01-31T23:24:58.434021Z", "start_waiting": "2015-04-01T07:00:42.893184Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 271, "ranked": true }, { "id": 34086, "name": "123123", "director": { "id": 503998, "username": "Zillers", "country": "tw", "icon": "https://user-uploads.online-go.com/b1a778a3afa829a57ccc5c5d266415e3-64.png", "ratings": { "version": 5, "overall": { "rating": 1364.6010178272118, "deviation": 63.26967934138518, "volatility": 0.05998543293531622 } }, "ranking": 22.11332234253631, "professional": false, "ui_class": "" }, "description": "1123123ㄇ", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2129, "name": "Taiwan No.1", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-01-29T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-01-30T09:22:41.863178Z", "ended": "2018-04-19T19:17:51.352118Z", "start_waiting": "2018-01-30T09:22:41.396690Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 98278, "name": "~~てすと~~", "director": { "id": 913507, "username": "siromaru1551", "country": "jp", "icon": "https://secure.gravatar.com/avatar/67b21873153ce70064744c6fb9805b28?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1741.504659607211, "deviation": 126.45775309875076, "volatility": 0.06002632580490308 } }, "ranking": 27.759315540733382, "professional": false, "ui_class": "" }, "description": "囲碁部内リーグ", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": false, "group": { "id": 12102, "name": "SamuraiGG囲碁部", "summary": "SamuraiGuildGamesの囲碁をやるためのグループです。\n部員同士の自由対局にご利用ください。", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 26, "icon": "https://user-uploads.online-go.com/d789e02d44d91692a142e6404f4947b0-64.png" }, "auto_start_on_max": false, "time_start": "2022-12-26T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-12-26T11:55:06.965057Z", "ended": "2022-12-26T11:56:56.027955Z", "start_waiting": "2022-12-26T11:55:06.926045Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d789e02d44d91692a142e6404f4947b0-15.png", "player_count": 2, "ranked": true }, { "id": 105227, "name": "Blitz 19x19 Elimination Tournament 2023-07-09 21:30", "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:20260426T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-26T05:00:48.630048Z", "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": "2026-04-26T09:00:00Z", "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": "2023-07-09T21:30:12.292981Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-07-09T21:31:12.455845Z", "ended": "2023-07-09T21:54:29.507257Z", "start_waiting": "2023-07-09T21:31:12.317256Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 4539, "name": "Parma 2015", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 771.1007739252597, "deviation": 65.10238171230796, "volatility": 0.0591420763964776 } }, "ranking": 8.899341703133208, "professional": false, "ui_class": "supporter" }, "description": "sdft bjho", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 93, "name": "GO Italia", "summary": "Il gruppo per i giocatori di GO italiani.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 202, "icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-64.png" }, "auto_start_on_max": true, "time_start": "2015-02-09T11:15:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 12, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-07T19:40:30.996581Z", "ended": "2015-08-14T00:07:35.210346Z", "start_waiting": "2015-02-07T19:40:29.753898Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-15.png", "player_count": 10, "ranked": true }, { "id": 54143, "name": "Fast Correspondence – December 2019 (B)", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1546.697449074561, "deviation": 62.030127804452256, "volatility": 0.05973562432354513 } }, "ranking": 25.01308876159974, "professional": false, "ui_class": "supporter moderator" }, "description": "Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 172800, "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": 823, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2019-12-01T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2019-12-01T00:00:33.468211Z", "ended": "2020-01-09T00:00:20.906462Z", "start_waiting": "2019-12-01T00:00:26.071222Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 98269, "name": "Blitz 19x19 Elimination Tournament 2022-12-26 05:30", "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": 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"group": null, "auto_start_on_max": false, "time_start": "2022-12-26T05:30:07.844559Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-12-26T05:30:09.424896Z", "ended": "2022-12-26T06:11:38.745661Z", "start_waiting": "2022-12-26T05:30:09.265056Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 34422, "name": "Blitz 19x19 Elimination Tournament 2018-02-09 17:30", "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:20260426T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-26T05:00:48.630048Z", "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": "2026-04-26T09:00:00Z", "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": "2018-02-09T17:30:14.471629Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-02-09T17:34:17.965824Z", "ended": "2018-02-09T17:58:56.074763Z", "start_waiting": "2018-02-09T17:34:17.453837Z", "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": 34369, "name": "tournament 1", "director": { "id": 507111, "username": "controllerninja", "country": "un", "icon": "https://secure.gravatar.com/avatar/dd1afbfe42145ef29877d05511e0164d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1199.2098484340831, "deviation": 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Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17917, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-02-07T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-10T12:34:36.020796Z", "ended": "2018-03-17T08:15:26.562002Z", "start_waiting": "2018-02-10T12:34:35.752721Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 98692, "name": "Giải đấu không lề mề", "director": { "id": 1264883, "username": "Dat15tuoi", "country": "vn", "icon": "https://user-uploads.online-go.com/586d6b5ae69fce742cf9d0d56a39ebdf-64.png", "ratings": { "version": 5, "overall": { "rating": 1551.192294307019, "deviation": 62.061527499140965, "volatility": 0.060008342949958805 } }, "ranking": 25.08026722744013, "professional": false, "ui_class": "" }, "description": "Không vẽ chỉ được 🤔", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 22787, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 18000, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12615, "name": "Cờ vây và những người bạn", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://user-uploads.online-go.com/4da804791b085727cd884a292d89cd1f-64.png" }, "auto_start_on_max": false, "time_start": "2023-01-10T13:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2023-01-10T13:00:05.554128Z", "ended": "2023-05-15T10:00:19.621506Z", "start_waiting": "2023-01-10T13:00:05.292061Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4da804791b085727cd884a292d89cd1f-15.png", "player_count": 21, "ranked": true } ] }
