Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1268
{ "count": 59650, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1269", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1267", "results": [ { "id": 111494, "name": "Chinese New Year of the Dragon 2024 Feb 10", "director": { "id": 418737, "username": "Puffin888", "country": "ru", "icon": "https://user-uploads.online-go.com/b1a823ea31e39c4b9d205798cdbd77c1-64.png", "ratings": { "version": 5, "overall": { "rating": 2431.470615744003, "deviation": 71.12451048904742, "volatility": 0.05998502427690585 } }, "ranking": 35.485553486461434, "professional": false, "ui_class": "supporter" }, "description": "Please join this tournament to celebrate Chinese New Year of the Dragon 2024 Feb 10", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", 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"2021-02-06T09:42:18.992106Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 57653, "name": "Correspondence 13x13 RoundRobin 2020-03-19 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260513T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-13T19:00:49.979102Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, 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"slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-19T19:00:10.156901Z", "ended": "2020-04-10T18:48:27.273928Z", "start_waiting": "2020-03-19T19:00:06.124259Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 56820, "name": "Correspondence 19x19 RoundRobin 2020-02-23 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": 6, "name": "Correspondence 19x19 RoundRobin", 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"pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-02-23T19:00:05.046959Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-02-23T19:00:09.867900Z", "ended": "2020-06-16T13:40:08.424311Z", "start_waiting": "2020-02-23T19:00:08.137781Z", "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": 63293, "name": "Alan Turing Main 2016 Title Match - Board 5", "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": "<!-- \nAlan Turing Main 2016 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:orange\" href='https://online-go.com/user/view/64817/'>mark5000 [Alan Turing] x1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>5th</td>\n\t<td style=\"color:orange\">Alan Turing</td>\n\t<td>Main</td>\n\t<td>2016</td>\n\t<td><a style=\"color:orange\" href='https://online-go.com/user/view/64817'>mark5000 [Alan Turing]</a></td>\n\t<td><a href='https://online-go.com/player/347930/peecatchoo'>peecatchoo [9d]</a></td>\n\t<td><a href='https://online-go.com/tournament/63289'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/63290'>Board 2</a></td>\n\t<td><a href='https://online-go.com/tournament/63291'>Board 3</a></td>\n\t<td><a href='https://online-go.com/tournament/63292'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/63293'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/17742'>Alan Turing Main Title Tournament 2016</a>", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "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": 2979, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-20T02:25:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-07-20T02:25:06.542826Z", "ended": "2020-08-16T21:47:56.561708Z", "start_waiting": "2020-07-20T02:25:06.340126Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 45043, "name": "Tournoi ouvert à tous !", "director": { "id": 523479, "username": "IAMRA", "country": "fr", "icon": "https://user-uploads.online-go.com/445e52eae74410d6192b4d4c2e431bd8-64.png", "ratings": { "version": 5, "overall": { "rating": 1292.2159385455109, "deviation": 63.56732761777409, "volatility": 0.05991993421090897 } }, "ranking": 20.851564817731116, "professional": false, "ui_class": "" }, "description": "Enjoy !", "schedule": null, "title": null, "tournament_type": "s_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": 95, "name": "France Go Players", "summary": "Le groupe pour les joueurs français!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1307, "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png" }, "auto_start_on_max": false, "time_start": "2019-01-30T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-01-30T11:00:59.078614Z", "ended": "2020-05-26T10:09:24.789384Z", "start_waiting": "2019-01-30T11:00:53.762921Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png", "player_count": 23, "ranked": true }, { "id": 128485, "name": "Handicap Arena 2025 - 037", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1090.465887946562, "deviation": 64.79657529283531, "volatility": 0.060067569323205706 } }, "ranking": 16.921771259522597, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. 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": 107, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-18T17:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-18T13:50:12.312335Z", "ended": "2025-10-17T08:47:08.241506Z", "start_waiting": "2025-05-18T13:50:11.343262Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 122121, "name": "2nd Amihan Friendship League", "director": { "id": 753236, "username": "totesuru", "country": "ph", "icon": "https://user-uploads.online-go.com/210744714a0baefd001f5eef4084dc84-64.png", "ratings": { "version": 5, "overall": { "rating": 1487.7479916401726, "deviation": 62.878382806141644, "volatility": 0.05991274501706562 } }, "ranking": 24.113516380733298, "professional": false, "ui_class": "" }, "description": "Let’s celebrate the women of go!\nAmihan is a women’s league of go players. Automatic handicap is enabled.\n\nWe will review games of DDK players in this league.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 309, "name": "Filipino Go Group", "summary": "Go Group for Filipinos", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 94, "icon": "https://user-uploads.online-go.com/d85657374f9a7c3118ee143d11e0598b-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-29T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-29T16:00:35.301323Z", "ended": "2025-04-19T05:12:01.371590Z", "start_waiting": "2024-12-29T16:00:34.950013Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d85657374f9a7c3118ee143d11e0598b-15.png", "player_count": 6, "ranked": true } ] }
