Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=4602
{ "count": 59261, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=4603", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=4601", "results": [ { "id": 70046, "name": "9x9 fun", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "As usual I'll do reviews for all games.", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": false, "group": { "id": 7785, "name": "Students of r42", "summary": "Group for players who are or have been playing teaching games with richyfourtytwo.\n\nI will review all ladder or tournament games within this group.\n\nPlaying is the best way to learn in the beginning, so join (at least) the 9x9 ladder and challenge each oth", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-64.png" }, "auto_start_on_max": true, "time_start": "2021-01-17T18:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-01-13T04:11:27.749767Z", "ended": "2021-01-25T01:51:16.860048Z", "start_waiting": "2021-01-13T04:11:27.436870Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-15.png", "player_count": 5, "ranked": true }, { "id": 101724, "name": "快乐的一天 第六季", "director": { "id": 1066263, "username": "Wc100", "country": "hk", "icon": "https://user-uploads.online-go.com/c5644483e9b766f9f7cff8b48c81d6f2-64.png", "ratings": { "version": 5, "overall": { "rating": 806.2653841176599, "deviation": 74.38583798687353, "volatility": 0.060015394449862446 } }, "ranking": 9.931689990449012, "professional": false, "ui_class": "" }, "description": "每月最后一个星期天的比赛\nHAPPY DAY S6", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 188038, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 432000, "period_time": 172800, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10348, "name": "Wc111", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-04-30T07:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-30T07:00:49.592635Z", "ended": "2023-07-14T12:43:11.066233Z", "start_waiting": "2023-04-30T07:00:49.508559Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 134805, "name": "9x9 Go Tournament", "director": { "id": 1907081, "username": "readysetgo.", "country": "us", "icon": "https://secure.gravatar.com/avatar/7983fb26cf81f1ac7c268489a0d25ced?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 369.5633751205203, "deviation": 69.51990795713074, "volatility": 0.05997630574246331 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "good luck! :)", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 12, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 60, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "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": 17879, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2025-11-28T19:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-11-29T01:28:10.330917Z", "ended": "2025-11-29T01:28:35.735854Z", "start_waiting": "2025-11-29T01:28:10.283248Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 77784, "name": "Class C 20/7/64", "director": { "id": 912066, "username": "cp01", "country": "un", "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png", "ratings": { "version": 5, "overall": { "rating": 1025.93061700216, "deviation": 107.2899597198185, "volatility": 0.06005411806588447 } }, "ranking": 15.509507700673431, "professional": false, "ui_class": "" }, "description": "Class C 20/7/64 กด Join this tournament", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 3, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "blitz", "pause_on_weekends": false, "total_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9668, "name": "อบรมหมากล้อมออนไลน์", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 334, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-20T07:15:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-20T07:16:22.259842Z", "ended": "2021-07-20T08:54:20.235751Z", "start_waiting": "2021-07-20T07:16:20.832770Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 67, "ranked": true }, { "id": 129439, "name": "EP.1.3", "director": { "id": 702782, "username": "End of light", "country": "th", "icon": "https://user-uploads.online-go.com/94a4f13c5f45ec4006b4228b3352ad97-64.png", "ratings": { "version": 5, "overall": { "rating": 1534.163896206825, "deviation": 65.72676665339333, "volatility": 0.06012011243765779 } }, "ranking": 24.824730171531215, "professional": false, "ui_class": "" }, "description": "จัดไป", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 51, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 2700, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15421, "name": "GO TH FOR END OF LIGHT", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/4c41dacf73819b5918ef56dbe66d590c-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-14T08:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-14T07:32:25.828863Z", "ended": "2026-01-18T15:01:18.472246Z", "start_waiting": "2025-06-14T07:32:25.708000Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4c41dacf73819b5918ef56dbe66d590c-15.png", "player_count": 5, "ranked": true }, { "id": 58138, "name": "Random weekly tournament #1", "director": { "id": 444278, "username": "Haze with a Z", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/02656380a3a787e02316603bdfc6be88-64.png", "ratings": { "version": 5, "overall": { "rating": 1029.8388188079111, "deviation": 67.94999787085683, "volatility": 0.060040733701657904 } }, "ranking": 15.597528253196192, "professional": false, "ui_class": "" }, "description": "Here is my first random tournament. I am going to use random rules and time settings. The next one will be different, so don’t expect one to be the same as the last. All correspondence though. I am going to start out with all ranks though, instead of random to try and encourage people to join.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "korean", "time_per_move": 777600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 777600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4456, "name": "Our Go House", "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 160, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-04T07:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-04T07:00:40.049855Z", "ended": "2020-07-25T02:14:26.075631Z", "start_waiting": "2020-04-04T07:00:39.138822Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png", "player_count": 14, "ranked": true }, { "id": 72375, "name": "Todos contra todos", "director": { "id": 607938, "username": "kido.go.baduk", "country": "mx", "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png", "ratings": { "version": 5, "overall": { "rating": 752.4459521746994, "deviation": 67.76829760245717, "volatility": 0.060586791591643506 } }, "ranking": 8.332400499350085, "professional": false, "ui_class": "" }, "description": "todos contra todos", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 61, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 2400, "period_time": 35, "periods": 4 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4974, "name": "Taller de Go-Biblioteca de México", "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 236, "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-09T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-03-08T23:18:01.091213Z", "ended": "2021-03-08T23:47:11.672500Z", "start_waiting": "2021-03-08T23:18:00.893926Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png", "player_count": 4, "ranked": true }, { "id": 130843, "name": "19x19 Open D.E. Cup #126", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1357.9261925911521, "deviation": 69.59599630709448, "volatility": 0.0602068047357829 } }, "ranking": 21.999808315401925, "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": 70, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-08-10T21:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-06T00:37:23.560691Z", "ended": null, "start_waiting": "2025-08-06T00:37:23.419101Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 125429, "name": "19x19 New Zealand Open League #16", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-02-27T04:19:00Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-26T03:28:57.991499Z", "ended": "2025-05-09T07:39:57.911721Z", "start_waiting": "2025-02-26T03:28:57.423261Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 10, "ranked": true }, { "id": 69856, "name": "kenshinub", "director": { "id": 912565, "username": "mattefili05", "country": "un", "icon": "https://secure.gravatar.com/avatar/ecb6ee915cf8571541cc255b8116058b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1241.0402237943326, "deviation": 218.47298318676522, "volatility": 0.05999853177398311 } }, "ranking": 19.91610553350122, "professional": false, "ui_class": "provisional" }, "description": "kenshinub", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 7885, "name": "kenshinub", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-01-07T22:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-08T16:20:39.503920Z", "ended": "2021-01-11T16:23:06.228481Z", "start_waiting": "2021-01-08T16:20:39.426091Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }
