Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=476
{ "count": 60166, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=477", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=475", "results": [ { "id": 118347, "name": "19x19 New Zealand Open League #8", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2024-08-15T03:19:00Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-08-14T20:11:57.399092Z", "ended": "2024-11-26T14:36:23.402114Z", "start_waiting": "2024-08-14T20:11:56.812995Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 10, "ranked": true }, { "id": 59069, "name": "Take III", "director": { "id": 431917, "username": "jkp", "country": "gb", "icon": "https://user-uploads.online-go.com/61f8bc121cdb3d46f9f0f68ab8875974-64.png", "ratings": { "version": 5, "overall": { "rating": 1133.1160219614135, "deviation": 60.44939350118458, "volatility": 0.05984066060549196 } }, "ranking": 17.80995235885462, "professional": false, "ui_class": "supporter" }, "description": "Light relief in the time of Corona", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "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": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4532, "name": "Sonalytic", "summary": "", "require_invitation": false, "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": "2020-04-15T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-15T15:00:20.588399Z", "ended": "2020-07-03T08:56:36.420474Z", "start_waiting": "2020-04-15T15:00:20.466126Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 137575, "name": "19x19 Open League #122", "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": "2026-03-01T22:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-01T03:59:05.252887Z", "ended": null, "start_waiting": "2026-03-01T03:59:04.284237Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 40433, "name": "不如搞個聯賽:0)", "director": { "id": 520158, "username": "Nsonbolyar86", "country": "un", "icon": "https://secure.gravatar.com/avatar/84ede4c4ecca31ebee15734fcb36b4bd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1687.4869919609714, "deviation": 61.05884960864995, "volatility": 0.059940790552857476 } }, "ranking": 27.029881005877566, "professional": false, "ui_class": "" }, "description": "瑞士制在選擇配位時最基本的一個原則是，挑選成績相同或最相近的選手進行比賽。\n\n第一輪比賽可通過抽籤決定或者根據賽前排名決定。比賽的勝者獲得1分積分，負者不得分，如果打平雙方各得0.5分（或勝兩分、和一分）。不管勝負如何，所有選手都進入下一輪。以後每一輪的配位，勝者對勝者，負者對負者，即根據此前的積分決定，積分相同或最相近的選手將相互對陣。當然前提是二者在前面的輪次中尚未交手過。在西洋棋比賽中，還要儘量使棋手執黑棋與執白棋的次數相等，普遍採用的辦法是輪換使用黑白棋。但不管怎樣，絕不能出現一名棋手連續3輪執一種顏色的情況。\n\n積分相同的選手配位基本規則是採用賽前排名編號，然後分成上下半區依次配對（如1號對5號，2號對6號...)。在必要的時候還要進一步調整以使棋手輪換先後手比賽，並保證此前相遇過的棋手不再相遇。\n\n具體的配位規則相當複雜，一般比賽的組織者都是通過特定的電腦程式幫助完成。只要嚴格執行，就不會出現組織者主觀制定配位的情況。\n\n比賽總輪次是賽前預先確定好的，一般為為3到9輪，最後的名次由選手的總積分決定。如果出現積分相等的情況，可以通過計算小分（如所有對手的積分總和）或布赫茲破同分法(Buchholz chess rating)決定。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 113280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 2419200, "max_time": 2419200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2807, "name": "每星期圍棋GP", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-08-30T17:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-09-01T17:27:41.806072Z", "ended": "2018-09-01T18:16:33.097927Z", "start_waiting": "2018-09-01T17:27:41.613042Z", "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": 62443, "name": "The tournament is dedicated to the greatest master Honinbo Shusaku.", "director": { "id": 776814, "username": "Korotrov 19", "country": "ua", "icon": "https://user-uploads.online-go.com/1c0b386e473e055af29bcaff72788ef6-64.png", "ratings": { "version": 5, "overall": { "rating": 1627.5011666778498, "deviation": 60.69603575167428, "volatility": 0.06006221360900416 } }, "ranking": 26.191975476154177, "professional": false, "ui_class": "" }, "description": "Для всех кто знает величайшего мастера.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 21120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "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": 18036, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2020-07-10T19:00:00Z", "players_start": 100, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-09T18:36:00.798086Z", "ended": "2021-06-02T07:42:30.830707Z", "start_waiting": "2020-07-09T18:35:54.922486Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 90, "ranked": true }, { "id": 76402, "name": "Morgens um Halb 10 in Deutschland", "director": { "id": 999161, "username": "Melchizedek6809", "country": "_United_Federation_of_Planets", "icon": "https://user-uploads.online-go.com/8ccca79520cf95ade94fd781119818e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1033.730084835931, "deviation": 63.29201991379343, "volatility": 0.060053549048987805 } }, "ranking": 15.684836135345009, "professional": false, "ui_class": "" }, "description": "Captain Knoppers", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2321, "name": "Schulis Beginner Tournaments", "summary": "A group of brothers playing each other, but hosting public tournaments as well. Beginner level!", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 14, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-06-16T20:35:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-06-16T20:35:40.681976Z", "ended": "2021-06-16T21:10:10.807105Z", "start_waiting": "2021-06-16T20:35:40.548679Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 76626, "name": "5to partidas de go", "director": { "id": 88120, "username": "satoshi84", "country": "mx", "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png", "ratings": { "version": 5, "overall": { "rating": 1136.7959829193692, "deviation": 78.40429708623937, "volatility": 0.06016044531576248 } }, "ranking": 17.885013568829635, "professional": false, "ui_class": "" }, "description": "partidas de go", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5581, "name": "Colegio Serapio Rendón // Kinder - Primaria", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png" }, "auto_start_on_max": false, "time_start": "2021-06-22T18:40:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-06-22T18:40:39.056371Z", "ended": "2021-06-22T19:38:50.799899Z", "start_waiting": "2021-06-22T18:40:38.872313Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png", "player_count": 10, "ranked": true }, { "id": 59217, "name": "Free Cup", "director": { "id": 755335, "username": "plumthreads", "country": "us", "icon": "https://user-uploads.online-go.com/7163a7ee690dfc271e01c8795d60fab6-64.png", "ratings": { "version": 5, "overall": { "rating": 1520.5403172672397, "deviation": 72.98014508582209, "volatility": 0.0600075759709215 } }, "ranking": 24.61823689330267, "professional": false, "ui_class": "" }, "description": "Free Cup", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 36, "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": 5089, "name": "Suncoast", "summary": "", "require_invitation": false, "is_public": false, "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": "2020-04-18T18:10:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2020-04-18T18:10:52.088873Z", "ended": "2020-04-18T19:07:53.023047Z", "start_waiting": "2020-04-18T18:10:50.064808Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 75947, "name": "5/6 馬彥彬\t古宇喬", "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": "5/6 馬彥彬\t古宇喬", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 480, "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": "2021-06-05T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-06-05T03:50:06.020611Z", "ended": "2021-06-05T04:11:24.553981Z", "start_waiting": "2021-06-05T03:50:05.958608Z", "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": 75053, "name": "join to play!", "director": { "id": 800915, "username": "weiqi_isfun", "country": "un", "icon": "https://user-uploads.online-go.com/9d359e936f9f9f83a8af022a39fe3aa2-64.png", "ratings": { "version": 5, "overall": { "rating": 429.41137614648505, "deviation": 71.25623433021624, "volatility": 0.05996133056257542 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "16252", "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": 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": "2021-05-12T01:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-13T08:05:30.211850Z", "ended": "2021-08-24T10:04:52.184559Z", "start_waiting": "2021-05-13T08:05:30.054718Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 4, "ranked": true } ] }
