Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4529
{ "count": 59215, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4530", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4528", "results": [ { "id": 131431, "name": "Houston Go Club - Double Elimination Correspondence Tournament (8/21/25)", "director": { "id": 473476, "username": "ajiadjuster", "country": "us", "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png", "ratings": { "version": 5, "overall": { "rating": 1886.9598995848182, "deviation": 69.41060089332123, "volatility": 0.05981262866327778 } }, "ranking": 29.616351333129803, "professional": false, "ui_class": "supporter" }, "description": "Every player has a single game in each round (it's possible to have a bye with an odd number of players, but no individual plays simultaneous games). After the initial round, players with no losses are in bracket A. Players with one loss are in bracket B. Players with two losses (or time outs) are eliminated. The final game is played between the winner of each bracket.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1274, "name": "Houston Go Club", "summary": "Playing go online and at real boards in Houston, Texas.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 75, "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png" }, "auto_start_on_max": false, "time_start": "2025-08-21T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-08-21T17:00:06.604745Z", "ended": null, "start_waiting": "2025-08-21T17:00:06.490096Z", "board_size": 19, "active_round": 6, "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png", "player_count": 12, "ranked": true }, { "id": 98722, "name": "8 января", "director": { "id": 659128, "username": "Эльфия Ходжер", "country": "ru", "icon": "https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png", "ratings": { "version": 5, "overall": { "rating": 1101.7157851614295, "deviation": 67.33862941921959, "volatility": 0.06013230786921456 } }, "ranking": 17.159376937918495, "professional": false, "ui_class": "" }, "description": "Нужно тренироваться", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 40, "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": 10537, "name": "Никонико", "summary": "Для проведения онлайн-турниров", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 56, "icon": "https://user-uploads.online-go.com/f1b6a38326913210688092bc4050dc03-64.png" }, "auto_start_on_max": false, "time_start": "2023-01-08T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-01-08T05:00:26.155494Z", "ended": "2023-01-08T05:57:47.442367Z", "start_waiting": "2023-01-08T05:00:26.068515Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/f1b6a38326913210688092bc4050dc03-15.png", "player_count": 4, "ranked": true }, { "id": 109982, "name": "JeremyWWW Olu Mel", "director": { "id": 1248091, "username": "wuheiman", "country": "cn", "icon": "https://secure.gravatar.com/avatar/fa05f60688507941f15aeab03dc88678?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1461.7908609168308, "deviation": 66.05101890156816, "volatility": 0.060132750693748446 } }, "ranking": 23.70604720005524, "professional": false, "ui_class": "" }, "description": "JeremyWWW Olu Mel", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 11, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 80, "period_time": 10, "periods": 10 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13168, "name": "超級燒烤貓", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/266e4ac244439a738d8cecfd32dfae06-64.png" }, "auto_start_on_max": false, "time_start": "2023-11-25T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-10T15:27:12.075360Z", "ended": "2024-12-10T15:36:19.482343Z", "start_waiting": "2024-12-10T15:27:11.930383Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/266e4ac244439a738d8cecfd32dfae06-15.png", "player_count": 4, "ranked": true }, { "id": 57528, "name": "Friends of Go I", "director": { "id": 554991, "username": "AmyrStark", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/5f1a8312746a7d0cfad0dbc169b12ee7-64.png", "ratings": { "version": 5, "overall": { "rating": 1094.1437527824507, "deviation": 67.81399743486455, "volatility": 0.059689951556036916 } }, "ranking": 16.999718962217933, "professional": false, "ui_class": "" }, "description": "This tournament is to promote interactions between members of the group.", "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": 3678, "name": "Friends of Go.", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 28, "icon": "https://user-uploads.online-go.com/312e3b2b4a483837b3259fce629383b4-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-16T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-16T15:37:52.448520Z", "ended": "2020-08-25T21:54:38.697531Z", "start_waiting": "2020-03-16T15:37:52.050379Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/312e3b2b4a483837b3259fce629383b4-15.png", "player_count": 4, "ranked": true }, { "id": 73485, "name": "noob swser 5", "director": { "id": 844218, "username": "lolroblox", "country": "au", "icon": "https://user-uploads.online-go.com/898603eb835a4063bf795672200accce-64.png", "ratings": { "version": 5, "overall": { "rating": 1319.9778490137012, "deviation": 64.3683573753299, "volatility": 0.05999444409408204 } }, "ranking": 21.343651147118212, "professional": false, "ui_class": "" }, "description": "blah blah 1 no swearing.\n2.If you're rude you will be disqualified", "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": 6332, "name": "noob_bot", "summary": "Play with bots", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 885, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-14T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-14T10:00:24.426199Z", "ended": "2021-07-23T15:33:31.184218Z", "start_waiting": "2021-04-14T10:00:24.269534Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 7, "ranked": true }, { "id": 73126, "name": "take 3", "director": { "id": 577, "username": "avibryant", "country": "ca", "icon": "https://secure.gravatar.com/avatar/25ca82f30c0f9c9bd4972bf079bd11a7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 961.3266605123249, "deviation": 127.66419757671059, "volatility": 0.06001093285636426 } }, "ranking": 14.003805536732571, "professional": false, "ui_class": "" }, "description": "third time lucky", "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": false, "group": { "id": 8467, "name": "Galiano", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-03-27T18:19:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-03-27T18:19:17.841043Z", "ended": "2021-03-27T19:08:47.699221Z", "start_waiting": "2021-03-27T18:19:17.631566Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 129211, "name": "ซ้อมแข่งขัน", "director": { "id": 564908, "username": "Sarawoot Kanya", "country": "th", "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.3733342620876, "deviation": 65.87288697611051, "volatility": 0.06068751158219223 } }, "ranking": 23.170679540751433, "professional": false, "ui_class": "" }, "description": "123456", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5893, "name": "Go Family", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 148, "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png" }, "auto_start_on_max": false, "time_start": "2025-06-07T06:16:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-06-07T06:16:41.930691Z", "ended": "2025-06-07T06:35:47.865150Z", "start_waiting": "2025-06-07T06:16:41.878398Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png", "player_count": 4, "ranked": true }, { "id": 70607, "name": "Fun off topic", "director": { "id": 842293, "username": "Makoto Akagi", "country": "019", "icon": "https://user-uploads.online-go.com/05e5d8dc71a4a531455e211984c1377f-64.png", "ratings": { "version": 5, "overall": { "rating": 579.463297408204, "deviation": 88.4272685651919, "volatility": 0.05997946031281329 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "FOR FUN", "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": 8112, "name": "Go Off Topic for fun", "summary": "OFF topic ask anything ANF THANK YOU FOR JOINING :) Talk about anime to :P", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://user-uploads.online-go.com/2620dcbed9e4067906f97dd5b6ccc42d-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-27T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-27T20:00:51.146795Z", "ended": "2021-04-07T23:26:36.048590Z", "start_waiting": "2021-01-27T20:00:50.910431Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2620dcbed9e4067906f97dd5b6ccc42d-15.png", "player_count": 7, "ranked": true }, { "id": 129459, "name": "9x9 Open D.E. Cup #186", "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": "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-22T19:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-20T15:08:19.381876Z", "ended": "2025-12-29T19:21:50.149699Z", "start_waiting": "2025-06-20T15:08:19.276906Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 112679, "name": "Irish Correspondence Championship 2024 Bracket A", "director": { "id": 427361, "username": "shinuito", "country": "ie", "icon": "https://secure.gravatar.com/avatar/c458ba70fd5fe051ac06f156c773cfea?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1858.7886586083614, "deviation": 63.93172868238226, "volatility": 0.05998165013930483 } }, "ranking": 29.26812906723207, "professional": false, "ui_class": "supporter moderator" }, "description": "Brackets of 5-8 players ideally.\n\nRound Robin with 14 days main time and a Fischer increment of 1 day per move, up to 28 days.\n\nHave fun!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95973, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 1209600, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 858, "name": "Ireland", "summary": "For Irish go players, and friends of Irish go, wherever they may roam...", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 205, "icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-64.png" }, "auto_start_on_max": false, "time_start": "2024-02-18T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2024-02-18T18:00:41.162649Z", "ended": "2024-05-27T15:48:15.477767Z", "start_waiting": "2024-02-18T18:00:40.991296Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-15.png", "player_count": 5, "ranked": true } ] }
