Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5951
{ "count": 60021, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5952", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5950", "results": [ { "id": 47248, "name": "Training Ground Class 6 May 2019", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "If you want to be stronger, then you should often play with those who are a little stronger than you. Training Grounds tournaments provide you with this opportunity.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 3516, "name": "Game Of Stones", "summary": "This group is no longer operated.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 143, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png" }, "auto_start_on_max": true, "time_start": "2019-05-08T01:00:00Z", "players_start": 6, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 16, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "group", "started": "2019-05-08T01:00:43.842098Z", "ended": "2019-12-30T15:43:30.631329Z", "start_waiting": "2019-05-08T01:00:43.101394Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png", "player_count": 10, "ranked": true }, { "id": 132495, "name": "3rd SPMS Internal Tournament", "director": { "id": 1640355, "username": "Jxmeen", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/c5389eaa972e9dbf1be046e179c3d68a-64.png", "ratings": { "version": 5, "overall": { "rating": 1278.8474909084346, "deviation": 63.40216235751937, "volatility": 0.059996834135477885 } }, "ranking": 20.61082213648176, "professional": false, "ui_class": "" }, "description": "3rd Holiday Internal Tournament for AY2025/26", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 39, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15657, "name": "SPMS Weiqi AY25/26 Exco-Subcomm", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-09-21T11:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-21T11:01:24.260647Z", "ended": "2025-09-21T12:56:55.224186Z", "start_waiting": "2025-09-21T11:01:24.175834Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 1293, "name": "9*9 mini-tournament", "director": { "id": 24889, "username": "BOfH", "country": "un", "icon": "https://secure.gravatar.com/avatar/819ebc88370cf7a8a1430f3698cc368a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1217.4387990354903, "deviation": 64.98599920223056, "volatility": 0.060030584226358805 } }, "ranking": 19.471611385992336, "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": false, "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": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-01-19T22:54:33Z", "ended": "2011-01-19T21:54:33Z", "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 }, { "id": 50439, "name": "Training Ground Class 1 August 2019", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "If you want to be stronger, then you should often play with those who are a little stronger than you. Training Grounds tournaments provide you with this opportunity.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3516, "name": "Game Of Stones", "summary": "This group is no longer operated.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 143, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png" }, "auto_start_on_max": true, "time_start": "2019-08-23T00:00:00Z", "players_start": 6, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2019-08-23T00:01:41.829335Z", "ended": "2019-11-20T13:57:42.562593Z", "start_waiting": "2019-08-23T00:01:40.954226Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png", "player_count": 9, "ranked": true }, { "id": 2119, "name": "speedchase's mini-tournament", "director": { "id": 42037, "username": "speedchase", "country": "us", "icon": "https://secure.gravatar.com/avatar/bd970d5d6208b71c5e75e4a78e1ba8bb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1869.2800361060736, "deviation": 65.51059611073413, "volatility": 0.05980366337596852 } }, "ranking": 29.39842496578628, "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": 432000, "max_time": 432000, "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": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 19, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2013-03-01T08:47:06Z", "ended": "2013-12-16T22:36:07.733154Z", "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": 122291, "name": "Having a little fun here …. again", "director": { "id": 62763, "username": "saxmaam", "country": "us", "icon": "https://user-uploads.online-go.com/ecaadfea6552bbc99c01bdabdedfecf1-64.png", "ratings": { "version": 5, "overall": { "rating": 900.5601301639981, "deviation": 66.8050633981357, "volatility": 0.06048614065516224 } }, "ranking": 12.49217230290658, "professional": false, "ui_class": "supporter" }, "description": "something fun …", "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": true, "group": { "id": 7228, "name": "DDK Proving Grounds (Double Digit Kyu)", "summary": "A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 651, "icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-17T12:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-21T17:09:33.251226Z", "ended": "2026-01-15T12:50:50.609803Z", "start_waiting": "2024-11-21T17:09:33.136389Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-15.png", "player_count": 4, "ranked": true }, { "id": 93690, "name": "Oct 2022 - 19x19 Double Elimination", "director": { "id": 987760, "username": "deleted-f41b36e6-1556-4899-a775-dc2c1cd9ebb4", "country": "ca", "icon": "https://user-uploads.online-go.com/ec04439eea132df85e433a87c1f8a3c0-64.png", "ratings": { "version": 5, "overall": { "rating": 2106.117124550817, "deviation": 68.03535601314194, "volatility": 0.05996971658182498 } }, "ranking": 32.16005045129194, "professional": false, "ui_class": "" }, "description": "Monthly double elimination 19x19 championship", "schedule": null, "title": null, "tournament_type": "double_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": 1843, "name": "Open Study Room", "summary": "Community of go players who play long serious games in leagues, study together, set up lectures.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1804, "icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-64.png" }, "auto_start_on_max": false, "time_start": "2022-10-01T20:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-10-01T20:00:04.851585Z", "ended": "2024-10-18T08:35:56.352400Z", "start_waiting": "2022-10-01T20:00:04.493078Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-15.png", "player_count": 21, "ranked": true }, { "id": 2110, "name": "Gobson's mini-tournament", "director": { "id": 48110, "username": "Gobson", "country": "ru", "icon": "https://secure.gravatar.com/avatar/b19c288ef209221079bd501701ef4373?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1118.7370828114226, "deviation": 66.6855419850738, "volatility": 0.06000259802246623 } }, "ranking": 17.514305218456098, "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": 432000, "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": "2013-05-29T20:11:59Z", "ended": "2013-05-29T18:11:59Z", "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": 1294, "name": "pg's mini-tournament", "director": { "id": 32008, "username": "pg", "country": "us", "icon": "https://secure.gravatar.com/avatar/b4ea0bc84edf26479226872510818e6c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1304.6655110926667, "deviation": 86.22746136076447, "volatility": 0.060013590941662094 } }, "ranking": 21.073530909009655, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 864000, "time_increment": 259200 }, "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": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-02-08T21:13:07Z", "ended": "2011-02-08T20:13:07Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 714, "name": "MAX's mini-tournament", "director": { "id": 21053, "username": "mcolbert", "country": "un", "icon": "https://secure.gravatar.com/avatar/0abecaf28d75970e0ddd0878c960cc18?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1514.5733497076349, "deviation": 66.18017642323444, "volatility": 0.06007992115015064 } }, "ranking": 24.52721198146765, "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": 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": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 1, "max_ranking": 17, "analysis_enabled": false, "exclusivity": "open", "started": "2009-06-23T19:54:10Z", "ended": "2009-06-23T17:54:10Z", "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 } ] }