Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=415
{ "count": 60253, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=416", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=414", "results": [ { "id": 30862, "name": "poopoo", "director": { "id": 466117, "username": "donald dump president", "country": "us", "icon": "https://user-uploads.online-go.com/8c094a9a22034fdad4b85515f74e881a-64.png", "ratings": { "version": 5, "overall": { "rating": 933.6223593726121, "deviation": 86.3186383533499, "volatility": 0.060018443924735494 } }, "ranking": 13.32684772276059, "professional": false, "ui_class": "" }, "description": "same as round robin", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 113280, "time_control_parameters": { "period_time": 86400, "main_time": 2419200, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1392, "name": "Poo and fart", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2017-10-28T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-10-30T19:10:06.939131Z", "ended": "2018-02-22T08:30:23.185655Z", "start_waiting": "2017-10-30T19:10:03.634249Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 106947, "name": "Live 19x19 Swiss Tournament 2023-08-29 20:30", "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 Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260715T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-07-15T00:00:48.353913Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-07-15T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-08-29T20:30:32.224791Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-29T20:31:32.431326Z", "ended": "2023-08-29T22:28:36.842919Z", "start_waiting": "2023-08-29T20:31:32.245701Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 100643, "name": "Happy New Year's Tournament 2024", "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": "Good feeling to all GO lovers (^-^)\n#GFTAGL LEAGUE", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 609587, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 604800, "initial_time": 604800, "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": 55, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-01T17:24:00Z", "players_start": 24, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-01T17:24:05.861510Z", "ended": null, "start_waiting": "2024-01-01T17:24:05.427930Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 47, "ranked": true }, { "id": 17165, "name": "Double Eliminination #3 - June 2016", "director": { "id": 304968, "username": "Treble Clef", "country": "vn", "icon": "https://user-uploads.online-go.com/1d9ec8692530e30a9b68aa8a0918f57c-64.png", "ratings": { "version": 5, "overall": { "rating": 2404.5762462647212, "deviation": 67.42580316388067, "volatility": 0.06008513443567981 } }, "ranking": 35.228065877337876, "professional": false, "ui_class": "" }, "description": "nothing", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "per_move": 172800 }, "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": 18047, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2016-06-05T09:00:00Z", "players_start": 11, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-06-05T09:00:01.969784Z", "ended": "2018-01-21T09:07:16.487832Z", "start_waiting": "2016-06-05T09:00:01.712889Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 17, "ranked": true }, { "id": 2466, "name": "Tianyuan Main Title Tournament 2012", "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": "Tianyuan Main Title Tournament 2012", "schedule": null, "title": { "id": 13, "name": "Tianyuan Main Title Tournament", "holder": { "id": 43936, "username": "Sadaharu", "country": "sg", "icon": "https://user-uploads.online-go.com/7c560149f1de7fce503f52c3c38cdb3e-64.png", "ratings": { "version": 5, "overall": { "rating": 2332.494798402483, "deviation": 72.29131946575312, "volatility": 0.06027433618215405 } }, "ranking": 34.52348943773307, "professional": false, "ui_class": "supporter" }, "rules": "chinese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "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": "2012-10-01T21:00:07Z", "ended": "2015-04-21T02:44:32.729873Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_19.png", "player_count": 0, "ranked": true }, { "id": 26406, "name": "self atari delux", "director": { "id": 59605, "username": "Jonasd", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/6574373974602ceddf705a38ed4a83f0-64.png", "ratings": { "version": 5, "overall": { "rating": 1614.5406283881896, "deviation": 63.16965153401557, "volatility": 0.05990155862793241 } }, "ranking": 26.00688343928416, "professional": false, "ui_class": "supporter" }, "description": "A TOURNAMENT FOR THE AGES ! ! ! ! !", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "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": 8, "name": "SA", "summary": "All Power to the People (and sugoi animes)\n\nWant in? Post in thread!", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-64.png" }, "auto_start_on_max": false, "time_start": "2017-04-20T18:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2017-04-20T18:00:48.086262Z", "ended": "2018-04-11T02:20:38.323777Z", "start_waiting": "2017-04-20T18:00:46.166042Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-15.png", "player_count": 5, "ranked": true }, { "id": 6775, "name": "Blitz 19x19 Elimination Tournament 2015-04-18 09:30", "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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260715T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-15T01:00:48.285734Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-07-15T05:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-04-18T09:30:03.672639Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-04-18T09:30:05.207892Z", "ended": "2015-04-18T10:02:55.817023Z", "start_waiting": "2015-04-18T09:30:05.097118Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 105596, "name": "19x19 Open League #22", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1325.0529908848616, "deviation": 70.58676374549262, "volatility": 0.06023746882442591 } }, "ranking": 21.43248918766429, "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": 79, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-07-30T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-26T07:10:07.497250Z", "ended": "2023-10-19T03:24:26.723300Z", "start_waiting": "2023-07-26T07:10:06.329167Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 30068, "name": "pierdan ante mi", "director": { "id": 469300, "username": "MarckJh", "country": "un", "icon": "https://secure.gravatar.com/avatar/ec2d64800cc535ec481f79d5a06efb18?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1581.7422922430972, "deviation": 228.06872397849094, "volatility": 0.06000227895712241 } }, "ranking": 25.531763963226282, "professional": false, "ui_class": "provisional" }, "description": "juguemos todos", "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": 1641, "name": "GO La salle Fromental", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 163, "icon": "https://user-uploads.online-go.com/712c8ea5c8c9e46bc51b572fe57f22c0-64.png" }, "auto_start_on_max": false, "time_start": "2017-09-07T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-09-13T17:23:39.170124Z", "ended": "2018-05-13T18:01:10.663923Z", "start_waiting": "2017-09-13T17:23:38.891309Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/712c8ea5c8c9e46bc51b572fe57f22c0-15.png", "player_count": 4, "ranked": true }, { "id": 107844, "name": "Blitz 19x19 Elimination Tournament 2023-09-25 13:30", "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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260715T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-15T01:00:48.285734Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-07-15T05:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-09-25T13:30:30.612159Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-09-25T13:31:30.793698Z", "ended": "2023-09-25T14:33:55.326953Z", "start_waiting": "2023-09-25T13:31:30.629191Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true } ] }
