Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5528
{ "count": 60024, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5529", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5527", "results": [ { "id": 131149, "name": "Let's GO for DDK", "director": { "id": 1649997, "username": "jjaassoonn", "country": "gb", "icon": "https://secure.gravatar.com/avatar/0c10713785bc1c0f1af706a90b6a6e51?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 902.1491175043427, "deviation": 66.10541677678857, "volatility": 0.060290924469969996 } }, "ranking": 12.53298317299359, "professional": false, "ui_class": "" }, "description": "Let's go", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 22284, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 21600, "initial_time": 86400, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15337, "name": "Camden Go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-08-15T03:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-15T03:00:05.883957Z", "ended": "2026-05-13T19:51:37.656762Z", "start_waiting": "2025-08-15T03:00:05.681936Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 20, "ranked": true }, { "id": 134570, "name": "Correspondence 13x13 RoundRobin 2025-11-21 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260624T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-06-24T19:00:16.613347Z", "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": "2026-06-27T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2025-11-21T19:00:08.092319Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-21T19:01:07.872930Z", "ended": "2025-12-25T12:23:36.416433Z", "start_waiting": "2025-11-21T19:01:07.714260Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 129223, "name": "MtG25z6", "director": { "id": 1765191, "username": "ĶÏŁŁĚŔ502", "country": "gt", "icon": "https://user-uploads.online-go.com/716e59a6af555d7ef264a42bfbe58964-64.png", "ratings": { "version": 5, "overall": { "rating": 778.9672146750529, "deviation": 62.039364844786924, "volatility": 0.06072433753769037 } }, "ranking": 9.134311611673791, "professional": false, "ui_class": "" }, "description": "100%VILANO", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 9, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 300, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15283, "name": "Tournaments and games", "summary": "Please feel free to create your own tournament or game, and to have fun. The purpose of this group is for you guys to have fun, to learn and to gain experience. If you wish you can create reviews, you can share a game, or a impressive move you made.😁\n\nI am", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-64.png" }, "auto_start_on_max": false, "time_start": "2025-06-07T16:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2025-06-07T16:00:42.050682Z", "ended": "2025-06-07T16:09:48.934466Z", "start_waiting": "2025-06-07T16:00:41.958409Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-15.png", "player_count": 3, "ranked": true }, { "id": 130826, "name": "make summer vacation more fun", "director": { "id": 838050, "username": "Noame", "country": "_Pirate", "icon": "https://secure.gravatar.com/avatar/980c0a6a206285c731bad6badb50b036?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1511.7111869942535, "deviation": 67.86759952001792, "volatility": 0.06003486032167158 } }, "ranking": 24.483422915524272, "professional": false, "ui_class": "" }, "description": "Do you want play go?\nWelcome everyone who wants to play go in their free time.\nI hope you will enjoy.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 18684, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 18000, "initial_time": 86400, "max_time": 345600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8667, "name": "Dog &cat", "summary": "It's dogs turn now", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/ee08d4f437b81c28d8b7d19b837a28cd-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-26T10:00:00Z", "players_start": 0, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-26T10:00:36.795893Z", "ended": "2025-07-30T10:56:53.136528Z", "start_waiting": "2025-07-26T10:00:36.726936Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ee08d4f437b81c28d8b7d19b837a28cd-15.png", "player_count": 3, "ranked": true }, { "id": 130078, "name": "19x19 Open League #93", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.9237426171958, "deviation": 70.6250922174681, "volatility": 0.06022005846422356 } }, "ranking": 21.113566356963826, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": "2025-07-13T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-13T15:21:31.608808Z", "ended": "2025-10-22T01:48:51.806656Z", "start_waiting": "2025-07-13T15:21:30.881007Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 129660, "name": "9x9 Mini League 1k-9k #147", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.9237426171958, "deviation": 70.6250922174681, "volatility": 0.06022005846422356 } }, "ranking": 21.113566356963826, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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": 708, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-06T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-04T20:14:42.385226Z", "ended": "2025-08-23T05:16:17.251383Z", "start_waiting": "2025-07-04T20:14:42.229009Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 129247, "name": "13x13 Open League #44", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.9237426171958, "deviation": 70.6250922174681, "volatility": 0.06022005846422356 } }, "ranking": 21.113566356963826, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2025-06-22T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-19T06:53:19.115711Z", "ended": "2025-09-19T11:49:56.233005Z", "start_waiting": "2025-06-19T06:53:18.591968Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 129227, "name": "MtG25z6", "director": { "id": 1765191, "username": "ĶÏŁŁĚŔ502", "country": "gt", "icon": "https://user-uploads.online-go.com/716e59a6af555d7ef264a42bfbe58964-64.png", "ratings": { "version": 5, "overall": { "rating": 778.9672146750529, "deviation": 62.039364844786924, "volatility": 0.06072433753769037 } }, "ranking": 9.134311611673791, "professional": false, "ui_class": "" }, "description": "100%VILANO", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 18, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 300, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15283, "name": "Tournaments and games", "summary": "Please feel free to create your own tournament or game, and to have fun. The purpose of this group is for you guys to have fun, to learn and to gain experience. If you wish you can create reviews, you can share a game, or a impressive move you made.😁\n\nI am", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-64.png" }, "auto_start_on_max": false, "time_start": "2025-06-14T14:30:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2025-06-14T15:20:28.961753Z", "ended": "2025-06-14T15:48:26.574741Z", "start_waiting": "2025-06-14T15:20:28.861335Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-15.png", "player_count": 3, "ranked": true }, { "id": 129322, "name": "Handicap Arena 2025 - 046", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1042.0361543086965, "deviation": 64.58721126972895, "volatility": 0.06005963420066863 } }, "ranking": 15.870104139943297, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 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": "2025-06-13T15:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-11T06:42:08.054031Z", "ended": "2025-08-30T11:02:33.047666Z", "start_waiting": "2025-06-11T06:42:07.874655Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 129628, "name": "Correspondence 19x19 RoundRobin 2025-06-20 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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 Site-wide Tournament", "schedule": { "id": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260623T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-06-23T19:00:16.052448Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-06-26T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-06-20T19:00:27.379534Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-20T19:01:27.822542Z", "ended": "2026-02-18T22:19:17.387452Z", "start_waiting": "2025-06-20T19:01:27.299643Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true } ] }
