Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4391
{ "count": 59202, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4392", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4390", "results": [ { "id": 19402, "name": "Ludu Go III", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 843.4550786374468, "deviation": 66.73481801425581, "volatility": 0.05928243088441237 } }, "ranking": 10.975609044766014, "professional": false, "ui_class": "supporter" }, "description": "por ĉiuj", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 137, "name": "Esperantejo", "summary": "Por esperanta go luduloj", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 104, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.png" }, "auto_start_on_max": true, "time_start": "2016-10-01T10:00:00Z", "players_start": 5, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-10-01T10:00:19.335893Z", "ended": "2019-05-08T21:07:15.148743Z", "start_waiting": "2016-10-01T10:00:18.730279Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-15.png", "player_count": 20, "ranked": true }, { "id": 27519, "name": "1-й харьковский городской турнир среди 30кю-3дан в электронном виде", "director": { "id": 429678, "username": "ultralygla", "country": "un", "icon": "https://secure.gravatar.com/avatar/fea598af19f8ae1e0d13417d35e0e30c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1111.3990267794659, "deviation": 104.4254991455077, "volatility": 0.060035552516557414 } }, "ranking": 17.361958812796622, "professional": false, "ui_class": "" }, "description": "Первый Харьковский турнир в электронном виде", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "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": 1621, "name": "Харьковская Федерация Го", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/58a09a8da86609ce4d5d90dc46f2a1b8-64.png" }, "auto_start_on_max": false, "time_start": "2017-05-28T18:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-05-28T23:26:20.535688Z", "ended": "2019-02-16T19:37:39.616163Z", "start_waiting": "2017-05-28T23:26:20.198792Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/58a09a8da86609ce4d5d90dc46f2a1b8-15.png", "player_count": 4, "ranked": true }, { "id": 117579, "name": "19x19 Correspondence RoundRobin", "director": { "id": 921893, "username": "nikila", "country": "un", "icon": "https://secure.gravatar.com/avatar/052ccd566373074bd5d5bdc87778f37b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1601.2919263122153, "deviation": 66.52017130138233, "volatility": 0.06017707086875492 } }, "ranking": 25.816133962678784, "professional": false, "ui_class": "" }, "description": "19x19 Correspondence RoundRobin", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14384, "name": "nikila", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2024-06-29T10:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-29T10:00:15.840367Z", "ended": "2024-08-22T00:05:36.072209Z", "start_waiting": "2024-06-29T10:00:15.813791Z", "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": 92450, "name": "OST - Olympic System Tournament", "director": { "id": 1033608, "username": "NetCat", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1406.6650193080409, "deviation": 70.55993802829255, "volatility": 0.06003444046653894 } }, "ranking": 22.81614654991628, "professional": false, "ui_class": "" }, "description": "Olympic System Tournament", "schedule": null, "title": null, "tournament_type": "elimination", "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": 11969, "name": "OST GO", "summary": "For Olympic tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 54, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2022-07-30T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-07-30T07:00:22.791401Z", "ended": "2023-06-07T12:36:44.267018Z", "start_waiting": "2022-07-30T07:00:22.466608Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 29, "ranked": true }, { "id": 90729, "name": "9x9 Tuesday Night Live - beginners tournament - everyone is welcome!", "director": { "id": 999161, "username": "Melchizedek6809", "country": "_United_Federation_of_Planets", "icon": "https://user-uploads.online-go.com/8ccca79520cf95ade94fd781119818e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1033.730084835931, "deviation": 63.29201991379343, "volatility": 0.060053549048987805 } }, "ranking": 15.684836135345009, "professional": false, "ui_class": "" }, "description": "Let’s have another short and fun 9x9 tournament, we are mostly beginners so don’t be afraid to join in on the fun, see you tuesday night, cheerio!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2321, "name": "Schulis Beginner Tournaments", "summary": "A group of brothers playing each other, but hosting public tournaments as well. Beginner level!", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 14, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-06-07T19:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-07T19:00:40.917019Z", "ended": "2022-06-07T20:02:11.280466Z", "start_waiting": "2022-06-07T19:00:40.775358Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 70720, "name": "9k-5k Battle", "director": { "id": 213337, "username": "funloop", "country": "au", "icon": "https://user-uploads.online-go.com/74d957756ad9275c9acef2241173bef8-64.png", "ratings": { "version": 5, "overall": { "rating": 1558.4983586868832, "deviation": 65.86439077260172, "volatility": 0.059947400744888316 } }, "ranking": 25.189046987533978, "professional": false, "ui_class": "" }, "description": "Let's play some games, make some mistakes, and learn from them.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36960, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 36000, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 20, "name": "Single Digit Kyu Room", "summary": "A room for SDK's \r\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 760, "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-17T19:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-17T19:00:03.323825Z", "ended": "2022-06-29T23:28:04.804361Z", "start_waiting": "2021-02-17T19:00:01.959290Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png", "player_count": 36, "ranked": true }, { "id": 20669, "name": "Correspondence 13x13 RoundRobin 2016-09-15 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260401T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-01T19:00:13.781457Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-04T19:00:00Z", "base_points": "10.0" }, "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": null, "auto_start_on_max": false, "time_start": "2016-09-15T01:00:07.043335Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-15T01:00:28.361840Z", "ended": "2016-12-27T19:02:44.850551Z", "start_waiting": "2016-09-15T01:00:25.618231Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 91003, "name": "Correspondence 9x9 RoundRobin 2022-06-08 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260330T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-30T19:00:11.791375Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-02T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-06-08T19:00:41.358226Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-08T19:01:40.355496Z", "ended": "2022-07-04T15:32:15.936737Z", "start_waiting": "2022-06-08T19:01:40.250939Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 91001, "name": "'+++++++++++++¿quenahuel?", "director": { "id": 1034190, "username": "Nahuelet77zadwe2078", "country": "uy", "icon": "https://user-uploads.online-go.com/989aa831656de2ac6b4783a37072c94f-64.png", "ratings": { "version": 5, "overall": { "rating": 1001.1537913278579, "deviation": 66.35082345457624, "volatility": 0.06001042479582162 } }, "ranking": 14.943559801484083, "professional": false, "ui_class": "" }, "description": "ereeerr1wwwwwwwwwjklhgsxxswwwdrthyyiliuyjhhewq@eerrrtuuuueeweeeeee%$@===_=-==₩₩₩₩₩₩₩₩₩₩₩₩₩€€€€::::''\\\\\\\\\\\\||^^^^^^^^\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\|,|[[[..,,,,,,,,,.....£€;@__++-\\[(::::::::::::::::::::::::::::::::::::::^^^^^^^^^^^^^^^^^^^^^^^^&&&&\\\\=+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\\\\\\%€€€", "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": 8883, "name": "WSOIHHNNININ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 5, "icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-64.png" }, "auto_start_on_max": false, "time_start": "2022-06-07T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-13T21:35:44.325472Z", "ended": "2022-07-12T19:59:58.378115Z", "start_waiting": "2022-06-13T21:35:44.119782Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-15.png", "player_count": 4, "ranked": true }, { "id": 127852, "name": "9x9 Mini League 10k-25k #295", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.2325960910043, "deviation": 68.25218422705018, "volatility": 0.06020103685150074 } }, "ranking": 21.418151631775086, "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-27T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-27T12:18:36.983174Z", "ended": "2025-05-07T15:38:10.527103Z", "start_waiting": "2025-04-27T12:18:36.863646Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true } ] }
