Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5478
{ "count": 58822, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5479", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5477", "results": [ { "id": 13274, "name": "Winter YD Invitational", "director": { "id": 151, "username": "flakeman2", "country": "us", "icon": "https://secure.gravatar.com/avatar/477b199ab652cc735c5dbd4d10d08fb4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1757.505194647621, "deviation": 62.69693373106343, "volatility": 0.05995696728243263 } }, "ranking": 27.97104113372553, "professional": false, "ui_class": "supporter" }, "description": "The Winter Yunguseng Dojang Invitational Tournament. Open to all past, present, and potential future YD members (read everyone). http://yunguseng.com/", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "time_control": "canadian", "period_time": 300, "main_time": 600, "stones_per_period": 15 }, "is_open": true, "exclude_provisional": false, "group": { "id": 456, "name": "Yunguseng Dojang", "summary": "In-seong's Yunguseng Dojang", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 119, "icon": "https://user-uploads.online-go.com/f1d2f59508fed7916b5aea841d2ad8f6-64.png" }, "auto_start_on_max": false, "time_start": "2015-12-19T17:10:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-12-19T17:10:54.458916Z", "ended": "2015-12-19T19:44:52.421386Z", "start_waiting": "2015-12-19T17:10:53.833274Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f1d2f59508fed7916b5aea841d2ad8f6-15.png", "player_count": 35, "ranked": true }, { "id": 1690, "name": "The Totem Pole 2", "director": { "id": 39562, "username": "sisterray112", "country": "un", "icon": "https://secure.gravatar.com/avatar/0ef13cc1fbf3d0d27944e2e003a9570d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1449.3204137463529, "deviation": 66.43925385888738, "volatility": 0.060002281610191 } }, "ranking": 23.507708771430732, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "time_increment": 172800 }, "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": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2012-02-11T13:04:55Z", "ended": "2012-02-11T12:04:55Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 129378, "name": "练习1-6/12", "director": { "id": 597377, "username": "aaronkangyi", "country": "my", "icon": "https://secure.gravatar.com/avatar/a59243727ed75b705a2816b6d32424bc?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2031.607705500574, "deviation": 70.37444010570789, "volatility": 0.059974180203492974 } }, "ranking": 31.326220460867557, "professional": false, "ui_class": "supporter" }, "description": "practice", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 12, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 1800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15401, "name": "19路特训", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-06-12T08:26:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-12T08:27:25.878606Z", "ended": "2025-06-12T09:04:32.202649Z", "start_waiting": "2025-06-12T08:27:25.806933Z", "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": 16127, "name": "Title match for: Mingren Handicap Title Tournament 2013", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": "Title match for: Mingren Handicap Title Tournament 2013 (zpr vs zebra)", "schedule": null, "title": { "id": 12, "name": "Mingren Handicap Title Tournament", "holder": { "id": 43586, "username": "zebra", "country": "un", "icon": "https://secure.gravatar.com/avatar/8ee5f8ab4e25f9e9779bbf118d6e47c0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2049.406764235013, "deviation": 64.63441086989961, "volatility": 0.06006281525756723 } }, "ranking": 31.528155947966628, "professional": false, "ui_class": "" }, "rules": "chinese", "tournament_type": "s_elimination" }, "tournament_type": "s_title", "handicap": -1, "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": "2016-03-29T01:17:49.608723Z", "ended": "2016-08-29T21:39:10.344220Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/mingren_19.png", "player_count": 0, "ranked": true }, { "id": 1691, "name": "RaikB's mini-tournament", "director": { "id": 20675, "username": "RaikB", "country": "de", "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1780.665751010124, "deviation": 65.40966971956041, "volatility": 0.0596596409427389 } }, "ranking": 28.274121197571755, "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": 432000, "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": 15, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": "2012-05-13T06:09:39Z", "ended": "2012-05-13T04:09:39Z", "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": 2859, "name": "1er Torneo AONKEN OGS", "director": { "id": 52898, "username": "deleted-e49a9ab5-4bd8-4f17-8926-ef1a168003f4", "country": "cl", "icon": "https://secure.gravatar.com/avatar/a713d757a533952f5a5ed2189214d0de?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1300.9821097086806, "deviation": 72.93389462908692, "volatility": 0.06003253002596969 } }, "ranking": 21.008080156453367, "professional": false, "ui_class": "" }, "description": "ahora sí", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 438720, "time_control_parameters": { "time_control": "byoyomi", "period_time": 432000, "main_time": 604800, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 67, "name": "Club de Go AONKEN, Punta Arenas - Chile", "summary": "Punta Arenas, Chile.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 74, "icon": "https://user-uploads.online-go.com/223a016f399052ad403f78216ac0a202-64.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": "invite", "started": "2014-03-19T19:33:46.174718Z", "ended": "2015-10-06T16:47:00.522970Z", "start_waiting": "2014-03-19T19:33:45.910470Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/223a016f399052ad403f78216ac0a202-15.png", "player_count": 0, "ranked": true }, { "id": 3050, "name": "Sitewide August 2014 SDKs Live 13x13 - 17. August", "director": { "id": 57612, "username": "Françisa", "country": "de", "icon": "https://user-uploads.online-go.com/9fd5436e7cf3ca679e5109e3698851a0-64.png", "ratings": { "version": 5, "overall": { "rating": 1593.5322236187249, "deviation": 66.13896034607907, "volatility": 0.060198411935194394 } }, "ranking": 25.70367865236043, "professional": false, "ui_class": "" }, "description": "Starting Time is: Sunday, August 17, 00:05 am UTC/GMT. - Please make sure to read the F.A.Q.: http://goo.gl/noU9QQ", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 14, "time_control_parameters": { "time_control": "fischer", "initial_time": 420, "max_time": 420, "time_increment": 10 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2014-08-17T00:10:18.572466Z", "ended": "2014-08-17T00:48:20.704225Z", "start_waiting": "2014-08-17T00:10:18.071894Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 0, "ranked": true }, { "id": 2426, "name": "Mingren Nines Title Tournament 2010", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": "Mingren Nines Title Tournament 2010", "schedule": null, "title": { "id": 11, "name": "Mingren Nines Title Tournament", "holder": { "id": 40094, "username": "pollemand", "country": "dk", "icon": "https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png", "ratings": { "version": 5, "overall": { "rating": 2171.89178460396, "deviation": 69.05182806949152, "volatility": 0.060035483123523053 } }, "ranking": 32.87197200792104, "professional": false, "ui_class": "" }, "rules": "chinese", "tournament_type": "s_elimination" }, "tournament_type": "s_elimination", "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": "2010-07-01T21:00:08Z", "ended": "2010-07-01T21:00:08Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/mingren_9.png", "player_count": 0, "ranked": true }, { "id": 412, "name": "Lazygirl's PreValentine's Day Extravaganza - For The Love Of GO !", "director": { "id": 13272, "username": "LazyGirl", "country": "us", "icon": "https://user-uploads.online-go.com/bc01e7f3d61a30b5095e89f668f09fe4-64.png", "ratings": { "version": 5, "overall": { "rating": 1265.1925182295072, "deviation": 63.657352301451475, "volatility": 0.06010630630914548 } }, "ranking": 20.362307449524884, "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": 432000, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2008-01-20T00:06:00Z", "ended": "2008-03-04T17:53:00Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 1692, "name": "boredom's \"give me more games\" mini-tournament", "director": { "id": 10670, "username": "boredom", "country": "ca", "icon": "https://user-uploads.online-go.com/885cf176491879164a14993fb1af835c-64.png", "ratings": { "version": 5, "overall": { "rating": 1822.8504864288059, "deviation": 64.53786161281363, "volatility": 0.05990507402656149 } }, "ranking": 28.816159126829287, "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": true, "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": 19, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2012-05-02T20:55:20Z", "ended": "2012-05-02T18:55:20Z", "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 } ] }
