Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=auto_start_on_max&page=5726
{ "count": 60023, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=auto_start_on_max&page=5727", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=auto_start_on_max&page=5725", "results": [ { "id": 133538, "name": "Handicap Arena 2025 - 085", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1048.0431981903662, "deviation": 64.6022523721619, "volatility": 0.06006190641971112 } }, "ranking": 16.0031741581676, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": true, "group": { "id": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-24T09:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-22T19:21:34.480757Z", "ended": "2025-12-05T12:55:50.276456Z", "start_waiting": "2025-10-22T19:21:33.651959Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 42871, "name": "II Warm up for 2020 tournament", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 867.571706506636, "deviation": 67.75692388864505, "volatility": 0.05926933129455951 } }, "ranking": 11.628242791735742, "professional": false, "ui_class": "supporter" }, "description": "Strenghten up while 2020 tounament is coming!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 85, "name": "Isle of Skye", "summary": "If you've ever played, or are not 100% ruling out ever playing, in the tournament held every second year in the Isle of Skye, Scotland, then you qualfy for this group.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-64.png" }, "auto_start_on_max": true, "time_start": "2018-11-25T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-11-24T13:22:28.528672Z", "ended": "2019-04-23T06:41:52.875663Z", "start_waiting": "2018-11-24T13:22:23.870357Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-15.png", "player_count": 10, "ranked": true }, { "id": 53731, "name": "9X9 for all", "director": { "id": 646878, "username": "Shikamaru4", "country": "gb", "icon": "https://user-uploads.online-go.com/4de7672cfb2c5d5d0a77668b7a721253-64.png", "ratings": { "version": 5, "overall": { "rating": 779.0027044554525, "deviation": 63.43343203946138, "volatility": 0.05993292089993528 } }, "ranking": 9.135366302661472, "professional": false, "ui_class": "supporter" }, "description": "9x9 for all", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "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": 4081, "name": "9X9 PLAYERS", "summary": "9X9 games", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/ab04e2d9619d69b9f635715fe6e1968f-64.png" }, "auto_start_on_max": true, "time_start": "2019-11-17T17:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-11-17T17:00:28.657401Z", "ended": "2020-02-22T02:12:27.787586Z", "start_waiting": "2019-11-17T17:00:27.151682Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ab04e2d9619d69b9f635715fe6e1968f-15.png", "player_count": 19, "ranked": true }, { "id": 136915, "name": "Handicap Arena 2026 - 011", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1048.0431981903662, "deviation": 64.6022523721619, "volatility": 0.06006190641971112 } }, "ranking": 16.0031741581676, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2026. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": true, "group": { "id": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2026-02-05T13:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-04T15:59:35.307004Z", "ended": null, "start_waiting": "2026-02-04T15:59:34.493809Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 7250, "name": "Primium Inter Pares 8-10 kyu", "director": { "id": 2183, "username": "udhar_nabresh", "country": "ro", "icon": "https://secure.gravatar.com/avatar/c00d28977111f76b775edc5ed92b2295?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1449.422777952308, "deviation": 62.71458511973404, "volatility": 0.05930014145371624 } }, "ranking": 23.509343777508974, "professional": false, "ui_class": "" }, "description": "8-10 kyu level players ... strong players say: \"the best defense is the attack\" ... i'm not a strong player ... i say: \"the best defense is the DEFENSE !\" ... let's see how it works ...", "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": true, "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": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2015-05-12T03:01:00Z", "players_start": 7, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 20, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2015-05-09T01:28:51.368813Z", "ended": "2015-11-11T15:35:48.905904Z", "start_waiting": "2015-05-09T01:28:50.606801Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 128336, "name": "19x19 Open D.E. Cup #114", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.2851288159748, "deviation": 70.63474169097069, "volatility": 0.06022023803937533 } }, "ranking": 20.870711401335065, "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": 76, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-11T21:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-11T20:42:14.210286Z", "ended": "2026-03-04T16:02:20.410757Z", "start_waiting": "2025-05-11T20:42:14.099946Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 94459, "name": "王善緯\t沈榮鈞", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "王善緯\t沈榮鈞", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-09-10T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-09-10T08:33:33.618084Z", "ended": "2022-09-10T09:11:20.804556Z", "start_waiting": "2022-09-10T08:33:33.563517Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 91726, "name": "殷曉瞳 李丞栢", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "殷曉瞳\n李丞栢", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-06-26T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-06-26T05:58:21.602465Z", "ended": "2022-06-26T06:19:59.467949Z", "start_waiting": "2022-06-26T05:58:21.554074Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 123077, "name": "Servus Oida Open Tournament #9", "director": { "id": 1285178, "username": "VikingKoala", "country": "eu", "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png", "ratings": { "version": 5, "overall": { "rating": 1065.7314765063757, "deviation": 65.89681054677976, "volatility": 0.05970339137527326 } }, "ranking": 16.390626242217657, "professional": false, "ui_class": "supporter" }, "description": "McMahon Kyu Player Tournament", "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": true, "group": { "id": 5720, "name": "Outside Go7", "summary": "Die Gruppe für alle, die sonst im Go7 spielen.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 48, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-02-11T11:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-10T17:05:41.578431Z", "ended": "2025-05-29T06:55:03.706020Z", "start_waiting": "2025-02-10T17:05:41.353733Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true }, { "id": 103931, "name": "Bella lì", "director": { "id": 1055696, "username": "deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216", "country": "it", "icon": "https://user-uploads.online-go.com/c176d6849a1892b9017c85f548813837-64.png", "ratings": { "version": 5, "overall": { "rating": 1520.9618235200285, "deviation": 65.86233200519976, "volatility": 0.05999729225859075 } }, "ranking": 24.624653373951272, "professional": false, "ui_class": "" }, "description": "Fast tournament", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12602, "name": "The Black Mamba GO Club", "summary": "Join the group if you want to have competitive tournaments like Kobe Bryant (The black mamba) did in his basketball career (NBA) . RIP Kobe.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-64.png" }, "auto_start_on_max": true, "time_start": "2023-06-10T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2023-06-10T09:00:25.071431Z", "ended": "2023-07-29T03:22:25.528396Z", "start_waiting": "2023-06-10T09:00:24.911467Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-15.png", "player_count": 12, "ranked": true } ] }
