Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5941
{ "count": 60779, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5942", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5940", "results": [ { "id": 2137, "name": "little contest", "director": { "id": 48212, "username": "MaMiFreak", "country": "nl", "icon": "https://user-uploads.online-go.com/a5379616a3a1b96045a6ef885f7e1d7f-64.png", "ratings": { "version": 5, "overall": { "rating": 2173.8418640585624, "deviation": 66.43386754330784, "volatility": 0.06007471317334801 } }, "ranking": 32.892748404292256, "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": 432000, "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": 3, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2013-10-01T04:46:13Z", "ended": "2013-10-01T02:46:13Z", "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": 44490, "name": "DDK.NL Go Club - January IDDK Swiss", "director": { "id": 463810, "username": "SuzieKyu", "country": "nl", "icon": "https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png", "ratings": { "version": 5, "overall": { "rating": 1171.4995125731932, "deviation": 63.025646037873635, "volatility": 0.06000597450469722 } }, "ranking": 18.5811525604583, "professional": false, "ui_class": "" }, "description": "Monthly Swiss for Intermediate DDK players.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2979, "name": "Internatio.NL Go Club", "summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 64, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png" }, "auto_start_on_max": false, "time_start": "2019-01-23T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 11, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2019-01-23T11:00:35.848620Z", "ended": "2019-05-14T18:22:54.423623Z", "start_waiting": "2019-01-23T11:00:35.447223Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 11, "ranked": true }, { "id": 56912, "name": "13x13 March Beginner Tournament", "director": { "id": 324998, "username": "zub0r", "country": "sk", "icon": "https://user-uploads.online-go.com/82f0b49350fa1f91da081a4fbc04b15b-64.png", "ratings": { "version": 5, "overall": { "rating": 1149.83293383018, "deviation": 63.17382599498504, "volatility": 0.05999101493931436 } }, "ranking": 18.148990536477584, "professional": false, "ui_class": "" }, "description": "Tournament focused on well-balanced pairing and improving strategy skills on 13x13 board after managing the basics.\n\nHave fun! :)", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18118, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-01T07:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-01T07:00:03.218655Z", "ended": "2020-10-16T20:26:34.887558Z", "start_waiting": "2020-03-01T07:00:00.193390Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 8, "ranked": true }, { "id": 65940, "name": "wonderful wednesday", "director": { "id": 769861, "username": "rainncat", "country": "us", "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png", "ratings": { "version": 5, "overall": { "rating": 975.0308630931373, "deviation": 65.62894696966373, "volatility": 0.060026784983209604 } }, "ranking": 14.331490463627786, "professional": false, "ui_class": "" }, "description": "join the group for more tournaments!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 262080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 259200, "initial_time": 259200, "max_time": 864000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6414, "name": "Hot Cocoa", "summary": "\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 13, "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png" }, "auto_start_on_max": true, "time_start": "2020-09-30T18:00:00Z", "players_start": 5, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-01T07:45:09.793002Z", "ended": "2021-06-22T10:35:57.662372Z", "start_waiting": "2020-10-01T07:45:09.552586Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png", "player_count": 5, "ranked": true }, { "id": 88622, "name": "Handicap Tournament [25 Kyu to 15 Kyu］", "director": { "id": 446365, "username": "ChessKitten", "country": "un", "icon": "https://secure.gravatar.com/avatar/3cc33900adbcc0822869a26ef5a5e26a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Handicap Tournament for 25 Kyu to 15 Kyu", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 17280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 259200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18118, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-31T16:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2022-05-31T16:00:20.185607Z", "ended": "2022-11-25T18:41:31.507025Z", "start_waiting": "2022-05-31T16:00:20.012510Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 12, "ranked": true }, { "id": 131481, "name": "15k tournament", "director": { "id": 839136, "username": "Soccer is awesome", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/48e6240dacac17c93414108e4283e0b2-64.png", "ratings": { "version": 5, "overall": { "rating": 891.2546598674192, "deviation": 66.36813968008407, "volatility": 0.06001779878165622 } }, "ranking": 12.251719355114881, "professional": false, "ui_class": "" }, "description": "15k only tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "ing", "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": true, "group": { "id": 13797, "name": " 无间勤碁术化 Go Advance forward forever", "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 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": false, "time_start": "2025-08-18T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-23T08:07:28.944966Z", "ended": "2025-09-24T11:51:00.324140Z", "start_waiting": "2025-08-23T08:07:28.881743Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 2, "ranked": true }, { "id": 37291, "name": "TOURNAMENT N°4 !", "director": { "id": 534599, "username": "Iave0Name", "country": "_GoT_Stark", "icon": "https://secure.gravatar.com/avatar/91cb163f0e5c546fa01ace3fdbcb226a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1209.3091762574272, "deviation": 264.382219308946, "volatility": 0.060000861574359916 } }, "ranking": 19.316505480258684, "professional": false, "ui_class": "provisional" }, "description": "The fourth tournament of the group in real time, join it !", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 90, "max_time": 180, "time_increment": 10, "speed": "live" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2471, "name": "[NEW ADMINISTRATORS]", "summary": "[25-15k] This group is reserved for European beginners.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 81, "icon": "https://user-uploads.online-go.com/1d47f636cfa91703d5cba928c061e197-64.png" }, "auto_start_on_max": false, "time_start": "2018-05-16T16:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2018-05-16T16:30:10.559145Z", "ended": "2018-05-16T16:53:45.563618Z", "start_waiting": "2018-05-16T16:30:09.876151Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1d47f636cfa91703d5cba928c061e197-15.png", "player_count": 7, "ranked": true }, { "id": 69940, "name": "Beginners Tournament", "director": { "id": 902424, "username": "deleted-e231b164-eaa8-4168-9c70-a2eb0962d837", "country": "fr", "icon": "https://user-uploads.online-go.com/544adef8a3c9d8b26f7231a9564a7254-64.png", "ratings": { "version": 5, "overall": { "rating": 1861.4812680612463, "deviation": 61.95115637096975, "volatility": 0.06012813145101506 } }, "ranking": 29.301639495747885, "professional": false, "ui_class": "" }, "description": "Tournament for beginners who are looking for opponents at their level [25kyu - 15kyu ]. Direct elimination methods and a time of 30 minutes plus 5x30 seconds are used. Have fun!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 50, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7911, "name": "La Mine", "summary": "Mine is waiting for you !", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/4cda8df25fd72f3fc1ce4594de71435a-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-17T13:30:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2021-01-17T13:31:00.707018Z", "ended": "2021-01-17T15:30:23.965779Z", "start_waiting": "2021-01-17T13:31:00.192822Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4cda8df25fd72f3fc1ce4594de71435a-15.png", "player_count": 7, "ranked": true }, { "id": 1665, "name": "Rubax's Low Kyu Handicap Tournament", "director": { "id": 40847, "username": "rubax", "country": "de", "icon": "https://secure.gravatar.com/avatar/feccf6e7bcf5217117d8b0950d68597d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1625.2695340214875, "deviation": 64.36824616693524, "volatility": 0.05990993042336627 } }, "ranking": 26.160210369508704, "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": "simple", "per_move": 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": 4, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2011-12-27T14:23:35Z", "ended": "2011-12-27T13:23:35Z", "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": 87926, "name": "Kepler Stadt Weil der Stadt", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 769.0975600653927, "deviation": 65.01454445024554, "volatility": 0.05993770725600263 } }, "ranking": 8.83912293002885, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 23, "name": "German Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 358, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-03-29T08:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 13, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2022-03-29T08:25:47.499462Z", "ended": "2022-03-29T13:09:12.571061Z", "start_waiting": "2022-03-29T08:25:47.424314Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true } ] }
