Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=8
{ "count": 58823, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=9", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=7", "results": [ { "id": 16298, "name": "Tournament of Ideas", "director": { "id": 232219, "username": "Chandler", "country": "us", "icon": "https://secure.gravatar.com/avatar/457faf68b5a0afa24a6a17e98f90d86e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1364.1577031562863, "deviation": 62.32120859250644, "volatility": 0.059999048804427975 } }, "ranking": 22.105800435492426, "professional": false, "ui_class": "" }, "description": "Tournament for this group's members to play and get to know each other", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 564, "name": "The Philosophy Corners", "summary": "A place to have serious, yet civil, discussions and debates. Leave your hard feelings at the door =)", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 98, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2016-04-05T02:11:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2017-05-11T17:09:37.604987Z", "ended": "2017-07-21T22:55:23.385206Z", "start_waiting": "2017-05-11T17:09:36.316179Z", "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": 14936, "name": "Ukrainian Valentine`s Day", "director": { "id": 227577, "username": "gojia", "country": "cn", "icon": "https://secure.gravatar.com/avatar/0828bcbc274195098295249d4a05cd1d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1372.8751427860834, "deviation": 64.16762765777764, "volatility": 0.06003213302585573 } }, "ranking": 22.253266265235233, "professional": false, "ui_class": "" }, "description": "Make your evening happy", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 123, "time_control_parameters": { "time_control": "byoyomi", "period_time": 120, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 82, "name": "Харьковский городской го клуб \" 50-я параллель\"", "summary": "Клуб любителей игры го (бадук, вейчи) в Харькове", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 43, "icon": "https://user-uploads.online-go.com/a2f069169daa39b6f27e0dcaa48e515b-64.png" }, "auto_start_on_max": true, "time_start": "2016-02-14T16:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2016-02-14T16:00:51.942408Z", "ended": "2016-02-14T17:25:18.606983Z", "start_waiting": "2016-02-14T16:00:51.820873Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a2f069169daa39b6f27e0dcaa48e515b-15.png", "player_count": 4, "ranked": true }, { "id": 14421, "name": "Correspondence 19x19 RoundRobin 2016-01-31", "director": { "id": 109444, "username": "VPshunt", "country": "jp", "icon": "https://user-uploads.online-go.com/70c797283afa9d1b71a708763c8c6051-64.png", "ratings": { "version": 5, "overall": { "rating": 1703.9681645981816, "deviation": 64.16663281633048, "volatility": 0.059838863578554974 } }, "ranking": 27.254883037419365, "professional": false, "ui_class": "" }, "description": "Correspondence 19x19 RoundRobin", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 873, "name": "楽碁倶楽部(Rakugo Club)", "summary": "碁は楽しまないとね", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2016-01-31T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-29T13:58:53.149641Z", "ended": "2016-03-17T18:08:24.356132Z", "start_waiting": "2016-01-29T13:58:51.136341Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 131750, "name": "9x9 Open D.E. Cup #193", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.7607772259034, "deviation": 69.43294160708245, "volatility": 0.06017334395576651 } }, "ranking": 23.17695807323701, "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/10842", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": false, "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": 694, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-09-07T19:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-02T21:55:37.766417Z", "ended": null, "start_waiting": "2025-09-02T21:55:37.651046Z", "board_size": 9, "active_round": 6, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 14198, "name": "Torneio Go Brasil", "director": { "id": 177197, "username": "Go Sertão", "country": "br", "icon": "https://user-uploads.online-go.com/6d1053bda339663dcc2a0b7f76e8242e-64.png", "ratings": { "version": 5, "overall": { "rating": 1290.6506255007284, "deviation": 67.59469691916857, "volatility": 0.059345449117674455 } }, "ranking": 20.82350529508483, "professional": false, "ui_class": "supporter" }, "description": "Diversão", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 725, "name": "Go Brasil", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 117, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2016-02-01T03:00:00Z", "players_start": 5, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-02-01T03:00:35.722580Z", "ended": "2016-06-15T17:58:28.083190Z", "start_waiting": "2016-02-01T03:00:35.449411Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 16, "ranked": true }, { "id": 11180, "name": "28 days later", "director": { "id": 120320, "username": "Ignil", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png", "ratings": { "version": 5, "overall": { "rating": 2121.912696995676, "deviation": 70.45817006699149, "volatility": 0.05996492273182429 } }, "ranking": 32.33302425647488, "professional": false, "ui_class": "" }, "description": "This tournament is for fast correspondence players. Absolute time 28 days each. Simultaneous Round Robin with 10 players. Come on, it's ZOMBIE time.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 26880, "time_control_parameters": { "total_time": 2419200, "time_control": "absolute" }, "is_open": true, "exclude_provisional": true, "group": { "id": 485, "name": "THAILAND GO", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 508, "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-64.png" }, "auto_start_on_max": true, "time_start": "2015-10-24T04:27:00Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-10-03T14:55:24.175767Z", "ended": "2015-12-22T17:26:22.149974Z", "start_waiting": "2015-10-03T14:55:22.610281Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-15.png", "player_count": 10, "ranked": true }, { "id": 136137, "name": "13x13 Open D.E. Cup #87", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.7607772259034, "deviation": 69.43294160708245, "volatility": 0.06017334395576651 } }, "ranking": 23.17695807323701, "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": 90782, "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": 66, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-18T21:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-18T01:44:44.365652Z", "ended": null, "start_waiting": "2026-01-18T01:44:44.217347Z", "board_size": 13, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 14213, "name": "Polish Group Tournament - February 2016", "director": { "id": 117423, "username": "PawelD", "country": "pl", "icon": "https://secure.gravatar.com/avatar/fd36ab1329312b56976df28231035546?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1464.3010384419342, "deviation": 64.68360464200174, "volatility": 0.05948271809974112 } }, "ranking": 23.745766132993666, "professional": false, "ui_class": "" }, "description": "Polish Group Tournament - February 2016", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 7, "name": "Polish Go Players", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 453, "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-64.png" }, "auto_start_on_max": false, "time_start": "2016-02-01T19:16:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-02-01T19:16:29.681127Z", "ended": "2016-05-05T00:53:16.114848Z", "start_waiting": "2016-02-01T19:16:27.880770Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-15.png", "player_count": 10, "ranked": true }, { "id": 7054, "name": "Klagenfurt 2 19x19 Mai 2015", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 728.0598302647272, "deviation": 64.6862055670827, "volatility": 0.05912525405318327 } }, "ranking": 7.569701978125233, "professional": false, "ui_class": "supporter" }, "description": "gzu otu", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 44160, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 43200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 445, "name": "Go7wien", "summary": "Wiener Go Klub", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 64, "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png" }, "auto_start_on_max": true, "time_start": "2015-05-21T16:53:00Z", "players_start": 3, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 8, "max_ranking": 14, "analysis_enabled": false, "exclusivity": "open", "started": "2015-05-21T16:53:20.372158Z", "ended": "2016-01-06T15:32:01.136641Z", "start_waiting": "2015-05-21T16:53:20.245356Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png", "player_count": 6, "ranked": true }, { "id": 6622, "name": "Summer Showdown", "director": { "id": 24187, "username": "GOing2", "country": "us", "icon": "https://user-uploads.online-go.com/5c04ce6beb31f99a6c906909932d2496-64.png", "ratings": { "version": 5, "overall": { "rating": 1697.0847697997315, "deviation": 62.503937105265074, "volatility": 0.05994757075258442 } }, "ranking": 27.161176288224727, "professional": false, "ui_class": "" }, "description": "This summer we aim to remember that we are all here for different reasons. Fun. Excitement. Struggle. Fight. There are many attributes to this majestic game. For this tournament I ask that each of you include in the game's chat box a brief (or lengthy) description of why you play Go.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 436800, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 432000, "time_increment": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 420, "name": "Hikaru no go club", "summary": "Sai is the way.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 756, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png" }, "auto_start_on_max": false, "time_start": "2015-05-01T21:52:00Z", "players_start": 5, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2015-05-01T21:52:20.043631Z", "ended": "2015-08-05T23:50:05.984866Z", "start_waiting": "2015-05-01T21:52:19.771823Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png", "player_count": 8, "ranked": true } ] }
