Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?ordering=-board_size&page=5
{ "count": 59654, "next": "https://online-go.com/api/v1/tournaments/?ordering=-board_size&page=6", "previous": "https://online-go.com/api/v1/tournaments/?ordering=-board_size&page=4", "results": [ { "id": 52334, "name": "The 14th Murase Go Group Tournament", "director": { "id": 449215, "username": "SM-SYaKo", "country": "jp", "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png", "ratings": { "version": 5, "overall": { "rating": 1182.178471692773, "deviation": 63.45983688838135, "volatility": 0.060058455061893425 } }, "ranking": 18.79122343818162, "professional": false, "ui_class": "" }, "description": "毎月27日に開催される定例トーナメントです。これは第十四回村瀬碁グループ定例トーナメントです。2019年10月27日に開始されます。\n\nA tournament that happens every month on 27th. This is the 14th tournament starts on October 27th, 2019.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 21840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 18000, "initial_time": 345600, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2389, "name": "Murase Go Group", "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 92, "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png" }, "auto_start_on_max": false, "time_start": "2019-10-27T12:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-10-27T12:00:36.896132Z", "ended": "2020-06-05T15:25:23.124774Z", "start_waiting": "2019-10-27T12:00:26.279164Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png", "player_count": 28, "ranked": true }, { "id": 48618, "name": "Hyperstones 19 01", "director": { "id": 621305, "username": "Greenstorm", "country": "_GoT_Martell", "icon": "https://user-uploads.online-go.com/46a5542c64aad2ab4b719d0a7086ba65-64.png", "ratings": { "version": 5, "overall": { "rating": 1360.9718480915335, "deviation": 61.82502509214474, "volatility": 0.05999385140077372 } }, "ranking": 22.05167267608749, "professional": false, "ui_class": "" }, "description": "Regular Hyperstones tournament on the 19x19 board.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 37440, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 129600, "max_time": 432000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3679, "name": "Hyperstones", "summary": "Correspondence tournaments on hyperspeed!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 22, "icon": "https://user-uploads.online-go.com/fb740739d13c239cc4110ae6be57b308-64.png" }, "auto_start_on_max": false, "time_start": "2019-06-06T02:15:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-06-06T04:05:21.396024Z", "ended": "2020-03-21T05:50:30.245807Z", "start_waiting": "2019-06-06T04:05:20.497561Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fb740739d13c239cc4110ae6be57b308-15.png", "player_count": 9, "ranked": true }, { "id": 135196, "name": "Blitz 19x19 Elimination Tournament 2025-12-10 01:30", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260516T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-16T09:00:49.980596Z", "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": "2026-05-16T13:00:00Z", "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": "2025-12-10T01:30:03.790077Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-12-10T01:31:03.878552Z", "ended": "2025-12-10T01:39:32.760125Z", "start_waiting": "2025-12-10T01:31:03.803924Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 2951, "name": "2014 03 19x19", "director": { "id": 34734, "username": "varcos", "country": "ro", "icon": "https://user-uploads.online-go.com/9521e434b5969d7c96058055f4baca35-64.png", "ratings": { "version": 5, "overall": { "rating": 1275.080552978939, "deviation": 63.53758607370593, "volatility": 0.060029353745099594 } }, "ranking": 20.54253150745282, "professional": false, "ui_class": "" }, "description": "Citeste cineva ce scriu aici?", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 29760, "time_control_parameters": { "time_control": "canadian", "period_time": 345600, "main_time": 86400, "stones_per_period": 12 }, "is_open": true, "exclude_provisional": false, "group": { "id": 198, "name": "Noi", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "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": "invite", "started": "2014-06-05T10:30:46.762771Z", "ended": "2014-07-21T07:35:41.394703Z", "start_waiting": "2014-06-05T10:30:46.557345Z", "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": 137104, "name": "цуевунекуек", "director": { "id": 1690695, "username": "Chan Solo", "country": "150", "icon": "https://user-uploads.online-go.com/e3aef0f37663cf1f0d2a9a7483410978-64.png", "ratings": { "version": 5, "overall": { "rating": 1280.4976904252774, "deviation": 68.20627572518441, "volatility": 0.06027922758905059 } }, "ranking": 20.6406751820088, "professional": false, "ui_class": "" }, "description": "чвнев5са нгук г87к5", "schedule": null, "title": null, "tournament_type": "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": 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": 17961, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2026-03-01T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-01T12:00:40.787793Z", "ended": null, "start_waiting": "2026-03-01T12:00:40.612046Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 6, "ranked": true }, { "id": 133680, "name": "Handicap Arena 2025 - 086", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1090.465887946562, "deviation": 64.79657529283531, "volatility": 0.060067569323205706 } }, "ranking": 16.921771259522597, "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": 107, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-26T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-25T15:30:23.792048Z", "ended": "2026-03-23T11:55:54.632239Z", "start_waiting": "2025-10-25T15:30:23.583992Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 75684, "name": "29/5 馬彥彬\t蔡得恩", "director": { "id": 729080, "username": "樂 碁", "country": "hk", "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png", "ratings": { "version": 5, "overall": { "rating": 1376.5461424853938, "deviation": 260.4210499451175, "volatility": 0.059998813696822535 } }, "ranking": 22.315085597176374, "professional": false, "ui_class": "provisional" }, "description": "29/5 馬彥彬\t蔡得恩", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 15, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-05-29T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-05-29T03:53:28.565853Z", "ended": "2021-05-29T04:00:32.791165Z", "start_waiting": "2021-05-29T03:53:28.498048Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 2773, "name": "19x19 GO", "director": { "id": 55394, "username": "san", "country": "un", "icon": "https://secure.gravatar.com/avatar/a65ba7e3ee2ae75ba8ae263e5a73537c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1121.1517979685377, "deviation": 73.12695470651377, "volatility": 0.06002430222803883 } }, "ranking": 17.564219013754354, "professional": false, "ui_class": "" }, "description": "go GO", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "time_control": "fischer", "initial_time": 120, "max_time": 300, "time_increment": 30 }, "is_open": true, "exclude_provisional": false, "group": { "id": 108, "name": "###Test", "summary": "", "require_invitation": true, "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": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 30, "max_ranking": 35, "analysis_enabled": true, "exclusivity": "open", "started": "2014-07-21T17:04:54.920432Z", "ended": "2014-07-21T17:09:56.235016Z", "start_waiting": "2014-07-21T17:04:49.184564Z", "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": 136775, "name": "Blitz 19x19 Elimination Tournament 2026-01-26 21:30", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260516T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-16T09:00:49.980596Z", "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": "2026-05-16T13:00:00Z", "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": "2026-01-26T21:30:26.011860Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-26T21:30:47.533388Z", "ended": "2026-01-26T22:19:03.841455Z", "start_waiting": "2026-01-26T21:30:47.440185Z", "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": 18646, "name": "Blitz 19x19 Elimination Tournament 2016-06-30 21:30", "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:20260516T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-16T09:00:49.980596Z", "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": "2026-05-16T13:00:00Z", "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": "2016-06-30T21:30:34.192976Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-06-30T21:30:35.720992Z", "ended": "2016-06-30T22:05:25.265585Z", "start_waiting": "2016-06-30T21:30:35.576963Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true } ] }
