Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4930
{ "count": 61010, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4931", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4929", "results": [ { "id": 387, "name": "labrat's mini-tournament of chaos", "director": { "id": 15869, "username": "labrat", "country": "gb", "icon": "https://user-uploads.online-go.com/be27728d54d30a40bc7c9c1c917a057c-64.png", "ratings": { "version": 5, "overall": { "rating": 1125.9368056031701, "deviation": 67.9775299011423, "volatility": 0.0599970801680335 } }, "ranking": 17.6628115605704, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "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": { 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"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:20260912T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-12T11:00:36.227338Z", "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": "2026-09-12T15:00:00Z", "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": "2017-04-09T19:31:00.015496Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-04-09T19:31:02.343388Z", "ended": "2017-04-09T20:22:03.283846Z", "start_waiting": "2017-04-09T19:31:01.651028Z", "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": 1715, "name": "Nice and fast 2th edition", "director": { "id": 31321, "username": "shusaku77", "country": "un", "icon": "https://secure.gravatar.com/avatar/3f72eb5dff1cae36cc35c1ff8f340846?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2100.577992143432, "deviation": 69.08550523563963, "volatility": 0.06005856611968096 } }, "ranking": 32.099085258529804, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "per_move": 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": 386, "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": 21, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2012-05-17T06:10:31Z", "ended": "2012-05-17T04:10:31Z", "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": 24332, "name": "Intermediate Go Tournament 9 by 9", "director": { "id": 143000, "username": "Clueless", "country": "kr", "icon": "https://secure.gravatar.com/avatar/c49d49b879adc6bf5a961d828791c669?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2459.673716555804, "deviation": 256.2526459669245, "volatility": 0.060012148066131706 } }, "ranking": 35.75252946410303, "professional": false, "ui_class": "provisional" }, "description": "Anyone is welcome", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88320, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 588, "name": "Intermediate Go", "summary": "for players ready for advanced go", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/35a98fe2f49543d1a9149d837f3ffad9-64.png" }, "auto_start_on_max": true, "time_start": "2017-02-10T13:17:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-02-10T13:17:49.047805Z", "ended": "2017-05-19T19:00:30.822715Z", "start_waiting": "2017-02-10T13:17:48.573168Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/35a98fe2f49543d1a9149d837f3ffad9-15.png", "player_count": 11, "ranked": true }, { "id": 2551, "name": "Title match for: Mingren Main Title Tournament 2011", "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": "Title match for: Mingren Main Title Tournament 2011 (vitality vs Rathbone)", "schedule": null, "title": { "id": 10, "name": "Mingren Main Title Tournament", "holder": { "id": 48681, "username": "gogop2016", "country": "un", "icon": "https://secure.gravatar.com/avatar/35495de00a8e17adf5d8a9a9d241565d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2035.1561101134394, "deviation": 64.11226294350045, "volatility": 0.05987887663756385 } }, "ranking": 31.366618965112558, "professional": false, "ui_class": "" }, "rules": "chinese", "tournament_type": "s_elimination" }, "tournament_type": "s_title", "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": "2011-08-01T09:47:59Z", "ended": "2013-07-09T02:48:27Z", "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": 1716, "name": "Foxiyama's 5th. mini-tournament", "director": { "id": 3320, "username": "Foxiyama", "country": "de", "icon": "https://secure.gravatar.com/avatar/57a8d497b3e88bd21cdd563609e710f8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1622.334240994461, "deviation": 67.00201131335707, "volatility": 0.05981947814294727 } }, "ranking": 26.118362867912534, "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": 386, "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": 14, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "open", "started": "2012-03-06T18:18:33Z", "ended": "2012-03-06T17:18:33Z", "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": 30692, "name": "Live 19x19 Swiss Tournament 2017-09-30 04:30", "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:20260912T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-09-12T12:00:36.271350Z", "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": "2026-09-12T16:00:00Z", "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": "2017-09-30T04:30:20.854691Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-09-30T04:30:23.130378Z", "ended": "2017-09-30T06:30:08.640696Z", "start_waiting": "2017-09-30T04:30:22.747159Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 117753, "name": "π¦ π¦ π¦ - El Condor Pasa - π¦ π¦ π¦ #5", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "π¦ π¦ π¦ El Condor Pasa π¦ π¦ π¦ \n<tr />\n<tr />\n\n<H3><a Href=\"https://online-go.com/group/13797\"><span style=\"color:gold;\"><u>ζ ι΄ε€η’ζ―ε<a Href=\"https://online-go.com/group/13797\">welcome to join</u>\n</a></h3>\n\n<html>\n<body>\n\n<embed src=\"https://www.youtube.com/embed/iNcuE9ToyJc\" loop=\"loop\" autoplay=\"autoplay\" style=\"width:100%;height:100%;vertical-align : middle;\" > <!-- width=\"380\" height=\"240\"> -->\n\n</body>\n</html>\n<tr />\n\t\n<!-- https://youtu.be/iNcuE9ToyJc?si=wKBn_Mpvjs7RuZiZ -->\n\n\n\n\n\n<a href=\"https://info.flagcounter.com/0hib\"><img src=\"https://s01.flagcounter.com/mini/0hib/bg_000000/txt_FFFFFF/border_CCCCCC/flags_1/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n<p style=\"display:none;83512\"> \n</p> \n\n<div style=\"display:none;12345\"> \n</div>", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "nz", "time_per_move": 88451, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 259200, "stones_per_period": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13797, "name": " ζ ι΄ε€η’ζ―ε Go Advance forward forever", "summary": "ζ¬’θΏε΄ζ£η±ε₯½θ ζ₯ε°ε±δΊζ¨ηεε°\n\n\n In Your π Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 498, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": true, "time_start": "2024-07-07T11:00:00Z", "players_start": 6, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-07-07T11:00:02.263876Z", "ended": "2025-03-30T22:07:23.886769Z", "start_waiting": "2024-07-07T11:00:01.026067Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 20, "ranked": true }, { "id": 1717, "name": "Beginner Mini", "director": { "id": 40251, "username": "Bobplaysgo", "country": "un", "icon": "https://secure.gravatar.com/avatar/9f6fa11b5aad801bf5fd98d7db49deb6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1121.3063779590157, "deviation": 67.18890828919045, "volatility": 0.060005174085340174 } }, "ranking": 17.567410624481948, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "chinese", "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": 386, "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": 0, "analysis_enabled": false, "exclusivity": "open", "started": "2012-02-18T23:25:34Z", "ended": "2012-02-18T22:25:34Z", "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": 2921, "name": "30Ks 9x9 Mini-Tournament ", "director": { "id": 67357, "username": "Lein@d Why?", "country": "ca", "icon": "https://user-uploads.online-go.com/3a7c340bccabcef9661d2dc18ff12905-64.png", "ratings": { "version": 5, "overall": { "rating": 1206.3338535720202, "deviation": 62.726993542191146, "volatility": 0.06012340100410309 } }, "ranking": 19.25947821741587, "professional": false, "ui_class": "" }, "description": "Yeah, that's right 30Ks only.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "aga", "time_per_move": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 300, "max_time": 6900, "time_increment": 10 }, "is_open": true, "exclude_provisional": false, "group": { "id": 222, "name": "Low-Rating 30k's", "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 278, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.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": 0, "analysis_enabled": true, "exclusivity": "open", "started": "2014-05-14T18:42:41.455654Z", "ended": "2014-05-14T19:12:16.235329Z", "start_waiting": "2014-05-14T18:42:40.864004Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png", "player_count": 0, "ranked": true } ] }
