Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3378
{ "count": 59729, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3379", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3377", "results": [ { "id": 124075, "name": "Swiss Tournament 2025", "director": { "id": 1614745, "username": "Phoenix19", "country": "ch", "icon": "https://user-uploads.online-go.com/c3e8d83c014c6120118cfa9693d4644d-64.png", "ratings": { "version": 5, "overall": { "rating": 723.9805619491883, "deviation": 71.19486746789353, "volatility": 0.05998465556282348 } }, "ranking": 7.439629412030058, "professional": false, "ui_class": "" }, "description": "Ein Test-Turnier, um zu schauen wie aktiv die Mitglieder hier sind. \n\nIch bin neu, aber habe zu wenig aktive Spiele und wollte die absichtlich hier auffrischen :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 93238, "time_control_parameters": { "system": "fischer", 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"https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-15.png", "player_count": 16, "ranked": true }, { "id": 2447, "name": "Alan Turing Main Title Tournament 2010", "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": "Alan Turing Main Title Tournament 2010", "schedule": null, "title": { "id": 16, "name": "Alan Turing Main Title Tournament", "holder": { "id": 35184, "username": "vitality", "country": "un", "icon": "https://secure.gravatar.com/avatar/17d676429b5c6ec38fb06cf71f8662fa?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2742.437357137692, "deviation": 68.19500547415998, "volatility": 0.059852958448327415 } }, "ranking": 38, "professional": false, "ui_class": "" }, "rules": "chinese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2010-12-27T15:36:30Z", "ended": "2010-12-27T15:36:30Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/alan_turing_19.png", "player_count": 0, "ranked": true }, { "id": 48624, "name": "Blitz 19x19 Elimination Tournament 2019-05-21 13:30", "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:20260523T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-23T01:00:16.201757Z", "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": "2026-05-23T05:00:00Z", "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": "2019-05-21T13:30:17.650678Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-05-21T13:30:20.682813Z", "ended": "2019-05-21T13:55:24.874001Z", "start_waiting": "2019-05-21T13:30:20.084828Z", "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": 73298, "name": "Alan Turing Main 2017 Title Match - Board 2", "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": "<!-- \nAlan Turing Main 2017 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:orange\" href='https://online-go.com/user/view/64817/'>mark5000 [Alan Turing] x2</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>6th</td>\n\t<td style=\"color:orange\">Alan Turing</td>\n\t<td>Main</td>\n\t<td>2017</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 style=\"color:gray\" href='https://online-go.com/player/419331/RoyalLeela'>RoyalLeela [7d]</a></td>\n\t<td><a href='https://online-go.com/tournament/74515'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/73298'>Board 2</a></td>\n\t<td><a href='https://online-go.com/tournament/73299'>Board 3</a></td>\n\t<td><a href='https://online-go.com/tournament/73300'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/73301'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/27492'>Alan Turing Main Title Tournament 2017</a>\n\nNote:\n- Bots and use of AI are allowed in Alan Turing title tournaments.", "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": 2977, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-06-02T00:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-06-02T00:00:33.197820Z", "ended": "2021-06-28T03:12:25.000167Z", "start_waiting": "2021-06-02T00:00:33.087076Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 100, "name": "Funfun's mini-tournament", "director": { "id": 2866, "username": "Funfun", "country": "un", "icon": "https://secure.gravatar.com/avatar/5762614b62b719ddaec95039ade12120?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1600.4803378092113, "deviation": 218.74947930154852, "volatility": 0.05999919688763707 } }, "ranking": 25.804397791148112, "professional": false, "ui_class": "provisional" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 3, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2006-06-07T01:11:00Z", "ended": "2006-08-14T23:02:00Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 99, "name": "zerodan's mini-tournament", "director": { "id": 2214, "username": "zerodan", "country": "sk", "icon": "https://user-uploads.online-go.com/bcd7dd9410fe568cad63129a51267db5-64.png", "ratings": { "version": 5, "overall": { "rating": 1776.4274540988245, "deviation": 67.90539613037045, "volatility": 0.059924928847259314 } }, "ranking": 28.21895445648818, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 432000, "time_control_parameters": { "time_control": "simple", "per_move": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2006-06-05T12:12:00Z", "ended": "2007-02-28T23:18:00Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 77031, "name": "3/7 區思源\t黃柏睿", "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": "3/7 區思源\t黃柏睿", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-07-03T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-07-03T08:28:47.823596Z", "ended": "2021-07-03T08:36:31.482388Z", "start_waiting": "2021-07-03T08:28:47.753919Z", "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": 2900, "name": "GoStars 19x19", "director": { "id": 41779, "username": "Pestr", "country": "ru", "icon": "https://user-uploads.online-go.com/82653b1abcea29fa4dc624ccb7fc55a8-64.png", "ratings": { "version": 5, "overall": { "rating": 1178.2151748309564, "deviation": 61.25976457546634, "volatility": 0.05993561580586234 } }, "ranking": 18.713481821895858, "professional": false, "ui_class": "" }, "description": "Турнир сайта GoStars.ru. \nНачало 1 июня 2014.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9, "name": "Русская группа", "summary": "Интересные, призовые турниры.", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1955, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2014-06-01T06:02:32.467532Z", "ended": "2016-10-19T15:20:15.887450Z", "start_waiting": "2014-06-01T06:02:31.064472Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png", "player_count": 0, "ranked": true }, { "id": 598, "name": "Koe's mini-tournament", "director": { "id": 20121, "username": "Koe", "country": "ar", "icon": "https://secure.gravatar.com/avatar/6b9696b645c650e6ad10c068a0cd06d6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1528.2087259412658, "deviation": 64.39211481952096, "volatility": 0.059866491991493694 } }, "ranking": 24.734693861495266, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 17, "analysis_enabled": false, "exclusivity": "open", "started": "2009-03-22T02:16:56Z", "ended": "2009-03-22T01:16:56Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 97, "name": "Funtik's mini-tournament", "director": { "id": 2628, "username": "Funtik", "country": "un", "icon": "https://secure.gravatar.com/avatar/5e23588026ca2d0911404d2d0f63f6b6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 604800, "time_control_parameters": { "time_control": "simple", "per_move": 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