Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=3359
{ "count": 61024, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3360", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3358", "results": [ { "id": 143346, "name": "13x13 Mini League 10k-25k #72", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": 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"players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2014-10-08T19:21:45.710566Z", "ended": "2014-10-08T20:07:53.979874Z", "start_waiting": "2014-10-08T19:21:45.541419Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 0, "ranked": true }, { "id": 47142, "name": "Blitz 13x13 Swiss Tournament 2019-04-03 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260914T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-14T03:00:53.092615Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-09-14T07:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-04-03T19:30:16.199137Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-04-03T19:30:18.814647Z", "ended": "2019-04-03T20:16:42.784546Z", "start_waiting": "2019-04-03T19:30:18.200023Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 113911, "name": "single round 13x13", "director": { "id": 1526641, "username": "deleted-ec14c2f0-3704-4c2b-a6c2-c566e50830c4", "country": "kr", "icon": "https://user-uploads.online-go.com/18e2706f538453ab94e842fccead3b50-64.png", "ratings": { "version": 5, "overall": { "rating": 1220.0293470291979, "deviation": 70.87806465790585, "volatility": 0.06002343012708748 } }, "ranking": 19.520819174599804, "professional": false, "ui_class": "" }, "description": "single round", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": 14119, "name": "신중하게 두자", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-64.png" }, "auto_start_on_max": true, "time_start": "2024-06-16T07:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-16T07:00:46.719177Z", "ended": "2024-07-24T23:58:11.548081Z", "start_waiting": "2024-06-16T07:00:46.664768Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-15.png", "player_count": 5, "ranked": true }, { "id": 16699, "name": "Blitz 13x13 Swiss Tournament 2016-04-17 23:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260914T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-14T03:00:53.092615Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-09-14T07:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-04-17T23:30:27.469370Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-04-17T23:31:29.187868Z", "ended": "2016-04-18T00:09:42.233563Z", "start_waiting": "2016-04-17T23:31:28.989266Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 42518, "name": "Blitz 13x13 Swiss Tournament 2018-11-05 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260914T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-14T03:00:53.092615Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-09-14T07:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-11-05T19:30:16.711551Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-11-05T19:30:19.784874Z", "ended": "2018-11-05T20:17:52.782013Z", "start_waiting": "2018-11-05T19:30:19.150622Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 27097, "name": "13 x13 . 2017. 05 . 13", "director": { "id": 167451, "username": "gia71", "country": "ge", "icon": "https://secure.gravatar.com/avatar/036e42f141fb1c2ce8750f84f0bf9216?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1962.1737922305308, "deviation": 61.96359216939175, "volatility": 0.06000303876629971 } }, "ranking": 30.52119040568337, "professional": false, "ui_class": "" }, "description": "ღია ტურნირი", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "period_time": 30, "main_time": 300, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 1, "speed": "live" }, "is_open": true, "exclude_provisional": false, "group": { "id": 692, "name": "Georgia - საქართველოს გოს ფედერაცია", "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 270, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png" }, "auto_start_on_max": false, "time_start": "2017-05-13T17:22:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-05-13T17:22:26.134960Z", "ended": "2017-05-13T18:10:16.748972Z", "start_waiting": "2017-05-13T17:22:25.665440Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png", "player_count": 4, "ranked": true }, { "id": 123140, "name": "13x13", "director": { "id": 1350621, "username": "SMS-Mr.d", "country": "us", "icon": "https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png", "ratings": { "version": 5, "overall": { "rating": 1075.2700317591648, "deviation": 61.726979937746016, "volatility": 0.059987307199874225 } }, "ranking": 16.59690261731099, "professional": false, "ui_class": "" }, "description": "dasdfasdfasdfasdf", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 30, "period_time": 10, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14789, "name": "Southampton Middle School Go Club", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2024-12-11T20:20:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-11T20:18:11.252557Z", "ended": "2024-12-11T20:58:24.764229Z", "start_waiting": "2024-12-11T20:18:11.117222Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 73473, "name": "Oza Treizes 2019 Title Match - Board 3", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2010.567656741604, "deviation": 68.90930500114358, "volatility": 0.060153245143043765 } }, "ranking": 31.085220759446056, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nOza Treizes 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [Treizes Oza] x3</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>4th</td>\n\t<td style=\"color:cyan\">Oza</td>\n\t<td>Treizes</td>\n\t<td>2019</td>\n\t<td><a style=\"color:cyan\" href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [Treizes Oza]</a></td>\n\t<td><a href='https://online-go.com/player/589692/'>Utaha [1d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/32650295'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73472'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73473'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73474'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73475'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/43367'>Oza Treizes Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "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": 3017, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-07T07:56:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-04-07T07:56:11.549512Z", "ended": "2021-05-20T08:30:23.134775Z", "start_waiting": "2021-04-07T07:56:11.377518Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 136322, "name": "Training Tuesday", "director": { "id": 1810282, "username": "Nicholas_0331", "country": "hk", "icon": "https://user-uploads.online-go.com/5b92fca5ee4e6a5cf13d0b2d4353618a-64.png", "ratings": { "version": 5, "overall": { "rating": 986.9564603962257, "deviation": 80.25357960056766, "volatility": 0.06001193471918335 } }, "ranking": 14.612920393706906, "professional": false, "ui_class": "" }, "description": "Training Tuesday have arrived!!!\nPlay slowly, think more.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 25, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 900, "max_time": 2700 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16082, "name": "SUI Ronaldo!!!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/91f5d50f1a6c47622b907e3017a2b161-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-13T11:04:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-13T11:04:48.972157Z", "ended": "2026-01-13T11:17:36.009825Z", "start_waiting": "2026-01-13T11:04:48.928843Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/91f5d50f1a6c47622b907e3017a2b161-15.png", "player_count": 2, "ranked": true } ] }
