Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5706
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5707", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5705", "results": [ { "id": 22, "name": "Kuroneko no Test", "director": { "id": 73, "username": "Kuroneko", "country": "001", "icon": "https://user-uploads.online-go.com/8acc1aa7edbb99556a0d05cf6c97a154-64.png", "ratings": { "version": 5, "overall": { "rating": 1720.3171984281491, "deviation": 260.4887625445967, "volatility": 0.05999892180617455 } }, "ranking": 27.47594113797314, "professional": false, "ui_class": "provisional" }, "description": "Test 1!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "time_control": "fischer", "initial_time": 36000, "max_time": 43200, "time_increment": 30 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14, "name": "Kuroneko Go School", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 10, "icon": "https://user-uploads.online-go.com/ea46b41233416e63470b137e3e7ac659-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "invite", "started": "2013-07-30T22:34:12.814559Z", "ended": "2013-07-30T22:40:01.438890Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ea46b41233416e63470b137e3e7ac659-15.png", "player_count": 0, "ranked": true }, { "id": 2, "name": "Nova Group Round Robin Beta", "director": { "id": 73, "username": "Kuroneko", "country": "001", "icon": "https://user-uploads.online-go.com/8acc1aa7edbb99556a0d05cf6c97a154-64.png", "ratings": { "version": 5, "overall": { "rating": 1720.3171984281491, "deviation": 260.4887625445967, "volatility": 0.05999892180617455 } }, "ranking": 27.47594113797314, "professional": false, "ui_class": "provisional" }, "description": "Thanks for beta testing! This tournament will be a simultaneous round-robin tournament with a Fischer time control.... 18 hours starting time plus 6 hours per move up to a maximum of 1 day 12 hours. There is no rating limitation. The tournament will be open to the first 10 players to join and you will be immediately paired with all other players. It will begin once 10 players have joined or by March 27th at 9pm EST.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "aga", "time_per_move": 21600, "time_control_parameters": null, "is_open": true, "exclude_provisional": true, "group": { "id": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1788, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2013-03-27T23:30:44.576680Z", "ended": "2013-04-14T04:34:35.161445Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 0, "ranked": true }, { "id": 912, "name": "Summer meeting", "director": { "id": 20675, "username": "RaikB", "country": "de", "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1780.665751010124, "deviation": 65.40966971956041, "volatility": 0.0596596409427389 } }, "ranking": 28.274121197571755, "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": 259200, "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": 385, "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": 9, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2010-01-17T04:14:09Z", "ended": "2010-01-17T03:14:09Z", "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": 3492, "name": "Fight Club´s \"Friday Fights\" Dec, 12 start: 22:00 UTC/GMT", "director": { "id": 102987, "username": "Fight Club´s Admin", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png", "ratings": { "version": 5, "overall": { "rating": 1403.9107440568043, "deviation": 68.41290124459677, "volatility": 0.060041081424571756 } }, "ranking": 22.77077400148111, "professional": false, "ui_class": "" }, "description": "<br>all ranks welcome<br><br> <img src=\"http://veterator.com/pic/cry/fox_white_up.png\"><br> <br> \"enjoy the procedure and the goal will unfold\"", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "time_control": "byoyomi", "period_time": 20, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 351, "name": "Fight Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 369, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2014-12-12T22:00:26.967064Z", "ended": "2014-12-13T00:04:30.036423Z", "start_waiting": "2014-12-12T22:00:26.606699Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 0, "ranked": true }, { "id": 71476, "name": "no handicap Gold single elimination", "director": { "id": 902324, "username": "林峻希", "country": "hk", "icon": "https://secure.gravatar.com/avatar/16d8cf873ce39682456313cf977561db?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1238.2556866816683, "deviation": 67.2057871599663, "volatility": 0.060153671350274045 } }, "ranking": 19.864105236973693, "professional": false, "ui_class": "" }, "description": "no handicap Gold single elimination", "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": false, "group": { "id": 8069, "name": "friend group", "summary": "ONLY FOR MY FRIENDS! SO FRIEND ME NOW!", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 38, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-02-27T12:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-27T12:00:59.770590Z", "ended": "2022-02-23T12:15:31.568048Z", "start_waiting": "2021-02-27T12:00:58.956853Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 36, "ranked": true }, { "id": 132314, "name": "September 11 2025 Bot Challenge", "director": { "id": 1480332, "username": "Kata_speed", "country": "cn", "icon": "https://user-uploads.online-go.com/f95840501e8a57e554d3b8c0edd193b9-64.png", "ratings": { "version": 5, "overall": { "rating": 2717.5906546342494, "deviation": 88.20637712418021, "volatility": 0.06000292767618095 } }, "ranking": 38, "professional": false, "ui_class": "bot" }, "description": "Come and beat the bot!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12594, "name": "Doulet Media", "summary": "This is one of the Bot that allows Bots and welcome Bots because we developed bots and test them in here. Feel free to challenge Kata_web, our newest AI and welcome to join our ladders and tournaments and they all allow bots. -changcheng6541/Doulet Media", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 1939, "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-64.png" }, "auto_start_on_max": false, "time_start": "2025-09-12T23:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-09-12T23:00:33.990013Z", "ended": "2025-09-12T23:13:20.699611Z", "start_waiting": "2025-09-12T23:00:33.936494Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-15.png", "player_count": 2, "ranked": true }, { "id": 913, "name": "Spif's mini-tournament", "director": { "id": 27374, "username": "Spif", "country": "fi", "icon": "https://secure.gravatar.com/avatar/46dfa4f921918c918edc3b9c024cef2e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1953.627009010234, "deviation": 67.47149384786415, "volatility": 0.060048367362314316 } }, "ranking": 30.420134016052334, "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": 259200, "max_time": 432000, "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": 385, "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": 22, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-11-12T21:25:24Z", "ended": "2009-11-12T20:25:24Z", "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": 36914, "name": "Surrounding Game 3", "director": { "id": 453432, "username": "MtTriangle", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/9315ba544715b7fba4243d17aa350f2c-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3335225704193, "deviation": 62.884293267940194, "volatility": 0.05998653705225121 } }, "ranking": 29.75546877271756, "professional": false, "ui_class": "" }, "description": "This is going to take a long time.", "schedule": null, "title": null, "tournament_type": "s_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": 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": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-06-21T04:00:00Z", "players_start": 30, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-21T04:00:33.989476Z", "ended": "2021-02-15T22:38:53.656541Z", "start_waiting": "2018-06-21T04:00:26.515147Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 33, "ranked": true }, { "id": 119395, "name": "หมากล้อมวันที่ 21 ส.ค. 12.00 น.", "director": { "id": 1606875, "username": "thakham2566", "country": "un", "icon": "https://secure.gravatar.com/avatar/0214e393d1b55939985d8607cc983414?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 912.2901390713149, "deviation": 138.81023955090083, "volatility": 0.059996698676960225 } }, "ranking": 12.79175964398333, "professional": false, "ui_class": "" }, "description": "เล่นหมากล้อม", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 40, "max_time": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14502, "name": "หมากล้อมโรงเรียนวัดท่าข้าม", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 102, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-08-21T05:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-08-21T04:57:51.698600Z", "ended": "2024-08-21T05:24:51.798618Z", "start_waiting": "2024-08-21T04:57:51.462079Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 14, "ranked": true }, { "id": 914, "name": "mini-tournament 9x9", "director": { "id": 18975, "username": "ademkula", "country": "tr", "icon": "https://secure.gravatar.com/avatar/44b7d82ed3471fdd0ae95a26c91c295e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1834.9145697306662, "deviation": 65.7405498896889, "volatility": 0.059979971156898584 } }, "ranking": 28.968866879709733, "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": 259200, "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": 385, "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": 16, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-09-25T22:41:49Z", "ended": "2009-09-25T20:41:49Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }
