Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=46
{ "count": 59896, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=47", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=45", "results": [ { "id": 119499, "name": "19x19 Correspondence McMahon", "director": { "id": 921893, "username": "nikila", "country": "un", "icon": "https://secure.gravatar.com/avatar/052ccd566373074bd5d5bdc87778f37b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1601.2919263122153, "deviation": 66.52017130138233, "volatility": 0.06017707086875492 } }, "ranking": 25.816133962678784, "professional": false, "ui_class": "" }, "description": "19x19 Correspondence McMahon", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "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": 14384, "name": "nikila", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2024-09-04T10:00:00Z", "players_start": 12, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-09-04T10:00:37.021140Z", "ended": "2025-11-30T00:27:26.766606Z", "start_waiting": "2024-09-04T10:00:35.335349Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 29, "ranked": true }, { "id": 123819, "name": "New year tournament", "director": { "id": 1675615, "username": "HACKER 23", "country": "un", "icon": "https://secure.gravatar.com/avatar/4a75f31988b89faab4672828ac5d9050?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1657.9072340501777, "deviation": 178.846638267968, "volatility": 0.06001407591970349 } }, "ranking": 26.620488751746564, "professional": false, "ui_class": "provisional" }, "description": "Happy New Year!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 44, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14915, "name": "Captain Tsubasa", "summary": "Football ⚽️", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/c788aa2a45ac1b2114ee2ed4b8d286ba-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T04:00:35.580336Z", "ended": "2025-01-01T07:47:24.195646Z", "start_waiting": "2025-01-01T04:00:35.501177Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c788aa2a45ac1b2114ee2ed4b8d286ba-15.png", "player_count": 5, "ranked": true }, { "id": 126711, "name": "Handicap Arena 2025 - 020", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1050.580451514109, "deviation": 64.79856534736564, "volatility": 0.06006386072185373 } }, "ranking": 16.059151267804946, "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": "2025-03-27T10:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-25T12:11:02.454983Z", "ended": "2025-08-10T03:33:19.912735Z", "start_waiting": "2025-03-25T12:11:02.169166Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 61157, "name": "Hello", "director": { "id": 788251, "username": "Tau628", "country": "un", "icon": "https://user-uploads.online-go.com/65a940d38e6d25d30dea6ca7352954c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1199.7342564468086, "deviation": 190.32590700393953, "volatility": 0.059997221074396596 } }, "ranking": 19.132481765435262, "professional": false, "ui_class": "provisional" }, "description": "Hello", "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": 5871, "name": "68 66 83 80 68 33 32", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 5, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-05-28T02:18:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-28T02:18:10.796461Z", "ended": "2020-05-28T02:18:41.650766Z", "start_waiting": "2020-05-28T02:18:10.682112Z", "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": 95687, "name": "1 -> 沈榮鈞 2 -> 謝汶熹", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "1 -> 沈榮鈞\n2 -> 謝汶熹", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "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": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-10-15T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-10-15T08:26:21.835913Z", "ended": "2022-10-15T09:11:33.743432Z", "start_waiting": "2022-10-15T08:26:21.780066Z", "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": 129174, "name": "1776s open tournaments 0.0008", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "A Tournament series", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "aga", "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": 13797, "name": " 无间勤碁术化 Go Advance forward forever", "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 496, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": false, "time_start": "2025-06-08T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-08T12:00:42.186378Z", "ended": "2025-11-15T00:12:40.475461Z", "start_waiting": "2025-06-08T12:00:42.080883Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 9, "ranked": true }, { "id": 58341, "name": "1uhhuh7", "director": { "id": 658697, "username": "aras", "country": "_GoT_Stark", "icon": "https://user-uploads.online-go.com/b37be6d1cb472e7874921ceba1f554c3-64.png", "ratings": { "version": 5, "overall": { "rating": 1106.8247543151917, "deviation": 146.626551187755, "volatility": 0.05999486870415635 } }, "ranking": 17.266481919480114, "professional": false, "ui_class": "" }, "description": "Fuygytygytygyg ihih", "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": 4987, "name": "Tahay", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-01T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-03T06:53:37.778282Z", "ended": "2020-05-04T04:08:02.660036Z", "start_waiting": "2020-04-03T06:53:37.471451Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 133077, "name": "JORNADA 8 DE ENTRENAMIENTO AVANZADO DE GO OTOÑO 2025", "director": { "id": 798920, "username": "vaik.kanik", "country": "mx", "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png", "ratings": { "version": 5, "overall": { "rating": 1116.3894591373814, "deviation": 60.59466797679924, "volatility": 0.059732167326301724 } }, "ranking": 17.465674855011894, "professional": false, "ui_class": "" }, "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 37, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14953, "name": "Kanik", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 19, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-10-05T00:35:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2025-10-05T00:35:49.559167Z", "ended": "2025-10-05T00:57:49.340516Z", "start_waiting": "2025-10-05T00:35:49.516092Z", "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": 60049, "name": "masumi", "director": { "id": 773796, "username": "TakahashiMasumi", "country": "jp", "icon": "https://user-uploads.online-go.com/2bc90f843f8a4b975c510ada439a5b1c-64.png", "ratings": { "version": 5, "overall": { "rating": 1599.7145072091705, "deviation": 122.39515330698886, "volatility": 0.06000195678861294 } }, "ranking": 25.793317854089292, "professional": false, "ui_class": "" }, "description": "teireikai", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": false, "group": { "id": 5565, "name": "高橋真澄囲碁教室", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 22, "icon": "https://user-uploads.online-go.com/057deef7fb3ffdcddbb7b24872b6616c-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-04T05:22:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-05-04T05:23:03.572387Z", "ended": "2020-05-04T05:26:43.943462Z", "start_waiting": "2020-05-04T05:23:03.254356Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/057deef7fb3ffdcddbb7b24872b6616c-15.png", "player_count": 2, "ranked": true }, { "id": 60979, "name": "西瓜杯圍甲超級聯賽", "director": { "id": 743935, "username": "陳天予", "country": "hk", "icon": "https://user-uploads.online-go.com/92bd8f7ccd9c9c665e771833ace80447-64.png", "ratings": { "version": 5, "overall": { "rating": 1849.7790445836285, "deviation": 72.8593185138491, "volatility": 0.05999399202989177 } }, "ranking": 29.155647380662366, "professional": false, "ui_class": "" }, "description": "第3次了！", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 160, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 9000, "period_time": 60, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4864, "name": "歡樂家庭——ogs", "summary": "a family in Hongkong.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-07-15T01:30:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-07-15T01:30:50.192255Z", "ended": "2020-07-15T06:41:05.018650Z", "start_waiting": "2020-07-15T01:30:49.935091Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
