Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=14
{ "count": 61019, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=15", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=13", "results": [ { "id": 142998, "name": "13x13 Mini League 10k-25k #71", "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": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-08-21T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2026-08-17T21:27:21.524832Z", "ended": null, "start_waiting": "2026-08-17T21:27:21.371781Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 143009, "name": "HAPPY GO #159 Double Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png", "ratings": { "version": 5, "overall": { "rating": 2018.3437652124198, "deviation": 74.57909990165096, "volatility": 0.0597718122667633 } }, "ranking": 31.17458342632016, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.\n\nPlease contact nobhaete directly if you have any questions.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-16T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-16T04:00:29.563483Z", "ended": null, "start_waiting": "2026-08-16T04:00:29.459196Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 13, "ranked": true }, { "id": 143376, "name": "CHEERFUL GO #148 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png", "ratings": { "version": 5, "overall": { "rating": 2018.3437652124198, "deviation": 74.57909990165096, "volatility": 0.0597718122667633 } }, "ranking": 31.17458342632016, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nSingle elimination tournament every Thursday.\n\nPlease contact nobhaete directly if you have any questions.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-27T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-27T04:00:25.662098Z", "ended": null, "start_waiting": "2026-08-27T04:00:25.245752Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 26, "ranked": true }, { "id": 142821, "name": "Супер Тэсудзи ⚫⚪🗡️🏎️🏆", "director": { "id": 1574760, "username": "Leoprogo", "country": "ru", "icon": "https://user-uploads.online-go.com/4b1dd7c7ebe15df1c7e238987f080a57-64.png", "ratings": { "version": 5, "overall": { "rating": 1187.9477154690348, "deviation": 63.84424249613441, "volatility": 0.060008302769795185 } }, "ranking": 18.903924827606218, "professional": false, "ui_class": "" }, "description": "Супер турнир группы.\nПроходит в каждом месяце.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15695, "name": "Тэсудзи", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/1d7625e090762ad231f574a1af59a6d3-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-29T10:25:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2026-08-29T10:25:31.893673Z", "ended": null, "start_waiting": "2026-08-29T10:25:31.792788Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/1d7625e090762ad231f574a1af59a6d3-15.png", "player_count": 4, "ranked": true }, { "id": 143526, "name": "Monday Morning 19x19 #94", "director": { "id": 1246361, "username": "katonal_edu", "country": "hu", "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png", "ratings": { "version": 5, "overall": { "rating": 1482.4218691165722, "deviation": 66.99404105360328, "volatility": 0.06001699194390396 } }, "ranking": 24.030490914607018, "professional": false, "ui_class": "" }, "description": "To have a good start of the week you need to join this 19x19 #94 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87768, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12889, "name": "Monday Morning", "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 51, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png" }, "auto_start_on_max": false, "time_start": "2026-09-28T08:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png", "player_count": 4, "ranked": true }, { "id": 143391, "name": "19x19 Open D.E. Cup #190", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1355.1125402508417, "deviation": 72.10279040967697, "volatility": 0.060301437423644785 } }, "ranking": 21.95179125302682, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-23T21:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-21T19:32:01.497841Z", "ended": null, "start_waiting": "2026-08-21T19:32:01.362153Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 127822, "name": "New year tournament 2026🏆", "director": { "id": 1744286, "username": "GM.Chu1wee.PBI", "country": "zz", "icon": "https://user-uploads.online-go.com/45cb97a3beda09bd740546bd842ed7b2-64.png", "ratings": { "version": 5, "overall": { "rating": 676.3934248137774, "deviation": 66.26174558512402, "volatility": 0.060065171175311335 } }, "ranking": 5.8656690662357205, "professional": false, "ui_class": "" }, "description": "Let’s fun <h3><p style=\"color:#FFAFB0;\"> [25k]-[1k] [1d]-[9d] [1p]-[9p] and no rank</h3></p>can come to this tournament!\n<b class=\"hr anim\"></b>\n\n<img src=\"https://www.gifcen.com/wp-content/uploads/2021/12/new-year-gif-33.gif\" width=\"400\" height=\"200\">\n<b class=\"hr anim\"></b>\n\n<img src=\"https://s05.flagcounter.com/count2/7OVT/bg_000000/txt_00FF00/border_000000/columns_5/maxflags_12/viewers_New+year+tournament+2026/labels_1/pageviews_1/flags_0/percent_0/\" alt=\"Flag Counter\" border=\"0\">\n\n\n<link rel=\"stylesheet\" type=\"textcss\" href=\"https://poonpun-page.neocities.org/GM.chu1Wee.PBI.css\">\n<link rel=\"stylesheet\" type=\"textcss\" href=\"https://poonpun-page.neocities.org/Rainbow.css\"> \n<div class=\"moving-x-container\"> \n<div class=\"moving-y-container\"> \n<div class=\"sai-container\"> \n<div class=\"backdrop\"> \n<div class=\"stone-container\"> \n<div class=\"stone black\"></div> \n<div class=\"stone white\"></div> \n<div class=\"stone black\">\n<link rel=\"stylesheet\" type=\"text/css\" href=\"https://poonpun-page.neocities.org/FlySai.css\">\n</div></div></div> \n<embed class=\"sai-ghostly-outline\" src=\"https://poonpun-page.neocities.org/fujiwara-no-sai-dancing.svg\"> \n<img class=\"flying-sai\" src=\"https://poonpun-page.neocities.org/fujiwara-no-sai-dancing.png\"></div>", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14340, "name": "HackerGO.", "summary": "<strong><h1>Welcome to my group page!!!</strong></h1>\n<strong><h2> This page make by css.</strong></h2>\n\n<b class=\"hr anim\"></b>\n<h2>Free source for decorate profile</h2>\nIf you like the design of my page, add the following line to your bio:\n\n(link rel=\"st", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 102, "icon": "https://user-uploads.online-go.com/6c711586e8252cb78c5b436af5fd7209-64.png" }, "auto_start_on_max": false, "time_start": "2025-12-31T18:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-31T18:00:47.223112Z", "ended": null, "start_waiting": "2025-12-31T18:00:45.852163Z", "board_size": 19, "active_round": 5, "icon": "https://user-uploads.online-go.com/6c711586e8252cb78c5b436af5fd7209-15.png", "player_count": 93, "ranked": true }, { "id": 143433, "name": "9x9 Mini League 10k-25k #418", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1355.1125402508417, "deviation": 72.10279040967697, "volatility": 0.060301437423644785 } }, "ranking": 21.95179125302682, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-23T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-23T16:10:51.555514Z", "ended": null, "start_waiting": "2026-08-23T16:10:51.427749Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 143925, "name": "2026/9/15 09:00-18:00 tournament", "director": { "id": 2029104, "username": "TuagomHaruto", "country": "un", "icon": "https://secure.gravatar.com/avatar/c91da782f0c4e60491ca1cdebaf9a95d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1064.0744267372743, "deviation": 132.59373899298808, "volatility": 0.059996862458302685 } }, "ranking": 16.354603513727188, "professional": false, "ui_class": "" }, "description": "everyone can join this tournament...\nHave fun!!!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 14, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16691, "name": "Weekly tournament", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-09-15T02:00:00Z", "players_start": 32, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "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": 142919, "name": "CHEERFUL GO #146 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png", "ratings": { "version": 5, "overall": { "rating": 2018.3437652124198, "deviation": 74.57909990165096, "volatility": 0.0597718122667633 } }, "ranking": 31.17458342632016, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nSingle elimination tournament every Thursday.\n\nPlease contact nobhaete directly if you have any questions.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-13T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-13T04:00:29.291440Z", "ended": null, "start_waiting": "2026-08-13T04:00:29.233411Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 5, "ranked": true } ] }
