Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1072
{ "count": 59574, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1073", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1071", "results": [ { "id": 64637, "name": "19x19 Double Elimination (New Zealand Rules)", "director": { "id": 637865, "username": "John.Tromp.Math.Maniac", "country": "nl", "icon": "https://user-uploads.online-go.com/d3a7d663721e94d8a2a5d3846f290611-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "nz", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 172800, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3207, "name": "New Zealand Tournaments", "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 593, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-30T01:00:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-31T10:03:08.364380Z", "ended": "2021-04-27T18:25:44.293133Z", "start_waiting": "2020-08-31T10:03:06.608410Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png", "player_count": 8, "ranked": true }, { "id": 21502, "name": "1st Pacific league Stage 2", "director": { "id": 368370, "username": "STSU", "country": "us", "icon": "https://secure.gravatar.com/avatar/56b0233c83ac7034789c9061255b51fe?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1862.594503174742, "deviation": 279.49053910168413, "volatility": 0.06000235747816905 } }, "ranking": 29.315479919642645, "professional": false, "ui_class": "provisional" }, "description": "(this is only for chatting purpose. )", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "time_control": "none" }, "is_open": true, "exclude_provisional": false, "group": { "id": 1314, "name": "PGC (Pacific Go Club)", "summary": "This group is for PGC members in University of the Pacific", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2016-10-15T21:00:00Z", "players_start": 5, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "group", "started": "2016-10-15T21:04:01.782474Z", "ended": "2016-10-22T21:38:59.654486Z", "start_waiting": "2016-10-15T21:04:01.466879Z", "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": 61543, "name": "4th of July SDK tournament", "director": { "id": 747694, "username": "kingkaio", "country": "ua", "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png", "ratings": { "version": 5, "overall": { "rating": 1167.6804695413712, "deviation": 62.48738706337885, "volatility": 0.06012577810744558 } }, "ranking": 18.505561177652012, "professional": false, "ui_class": "" }, "description": "Starts on 4th of July morning.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 5683, "name": "Tournaments Group", "summary": "A group for people who like tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-04T17:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-04T17:00:46.324291Z", "ended": "2021-07-02T05:44:10.113512Z", "start_waiting": "2020-07-04T17:00:45.631470Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png", "player_count": 14, "ranked": true }, { "id": 73971, "name": "Mingren Main 2017 Title Match - Board 2", "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": "<!-- \nMingren Main 2017 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/28520/'>yopology [Mingren] 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>11th</td>\n\t<td style=\"color:deepskyblue\">Mingren</td>\n\t<td>Main</td>\n\t<td>2017</td>\n\t<td><a style=\"color:deepskyblue\" href='https://online-go.com/player/28520/yopology'>yopology [Mingren]</a></td>\n\t<td><a href='https://online-go.com/player/418737/Puffin888'>Puffin888 [6d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/33264181'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73971'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73972'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73973'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73974'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/30642'>Mingren Main Title Tournament 2017</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": "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": 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": 2976, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-28T22:13:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-04-28T22:13:12.662613Z", "ended": "2021-04-29T11:20:18.387958Z", "start_waiting": "2021-04-28T22:13:12.515786Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 3398, "name": "Reddit Round Robin #2 - Handicap - 20k - 11k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.1627795358113, "deviation": 63.049690073664166, "volatility": 0.05956859367610595 } }, "ranking": 20.868521227058793, "professional": false, "ui_class": "supporter" }, "description": "Round Robin Tournament, 10 players max, 20k - 11k", "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": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2283, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-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": "2014-11-15T00:15:51.176615Z", "ended": "2015-04-16T01:47:33.204190Z", "start_waiting": "2014-11-15T00:15:47.760717Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 0, "ranked": true }, { "id": 48045, "name": "Mingren Handicap Title Tournament 2019", "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": "Mingren Handicap Title Tournament 2019\n\nTitle Holder: <a style=\"color:deepskyblue\" href='https://online-go.com/user/view/43586'>zebra [Handicap Mingren] x2</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</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\">\n\t\tTitle Tournament Winner<img src='https://web.archive.org/web/20130811133657im_/http://online-go.com/images/award_images/1/h1.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up<img src='https://web.archive.org/web/20130820061650im_/http://online-go.com/images/award_images/1/h2.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place<img src='https://web.archive.org/web/20130820061650im_/http://online-go.com/images/award_images/1/h3.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2377'>2007</a></td>\n\t<td><b>gonut</b></td><td></td><td></td>\n\t<td><b>gonut (4k)</b></td><td>maproom (2k)</td><td>illluck (2k)</td>\n</tr>\t\n<tr>\n\t<td><a href='https://online-go.com/tournament/2396'>2008</a></td>\n\t<td><b>Carel</b></td><td></td><td></td>\n\t<td><b>Carel (9k)</b></td><td>iwi (3k)</td><td>chriswks (11k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2411'>2009</a></td>\n\t<td><b>James02</b></td><td></td><td></td>\n\t<td><b>James02 (6k)</b></td><td>modernhamlet (6k)</td><td>ethee (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2427'>2010</a></td>\n\t<td><b>Dagger363</b></td><td></td><td></td>\n\t<td><b>Dagger363 (5k)</b></td><td>Piotrus86 (5k)</td><td>bmcatalin (11k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2443'>2011</a></td>\n\t<td><b>gubbelface</b></td><td></td><td></td>\n\t<td><b>gubbelface (5k)</b></td><td>Zvone (15k)</td><td>mwinegar26 (12k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2464'>2012</a></td>\n\t<td><b>zebra</b></td><td></td><td></td>\n\t<td><b>zebra (1k)</b></td><td>sekoj (1d)</td><td>GoMeister (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2483'>2013</a></td>\n\t<td><b>zebra</b></td><td>5-0 (*)</td><td>zpr</td>\n\t<td><b>zpr (2k)</b></td><td>Chieko (9k)</td><td>jpro (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20301'>2016</a></td>\n\t<td>Ongoing: zebra</td><td>1-2</td><td>kickaha</td>\n\t<td><b>kickaha (1k)</b></td><td>dol (7k)</td><td>Alex666 (3k)</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "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": 2976, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2019-06-01T06:00:00Z", "players_start": 100, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-06-01T06:01:57.797567Z", "ended": "2021-08-10T05:01:42.117657Z", "start_waiting": "2019-06-01T06:00:59.969857Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 113, "ranked": true }, { "id": 21942, "name": "Live 19x19 Swiss Tournament 2016-11-02 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260506T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-06T08:00:49.145331Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "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": "2026-05-06T12:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-11-02T20:30:17.183639Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-11-02T20:31:19.183214Z", "ended": "2016-11-02T22:37:29.380045Z", "start_waiting": "2016-11-02T20:31:18.832793Z", "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": 5935, "name": "Live 19x19 Swiss Tournament 2015-03-18 16:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260506T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-06T08:00:49.145331Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", 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