List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5857
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60784,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5858",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5856",
    "results": [
        {
            "id": 87448,
            "name": "5 -> 陳琛悠 6 -> 周逸",
            "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": "5 -> 陳琛悠\n6 -> 周逸",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "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": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7530,
                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-19T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-03-19T02:50:02.940626Z",
            "ended": "2022-03-19T02:57:29.910155Z",
            "start_waiting": "2022-03-19T02:50:02.888771Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 98633,
            "name": "余丞浚 朱雋銘",
            "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": "余丞浚\n朱雋銘",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7530,
                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-06T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-01-06T06:45:59.559561Z",
            "ended": "2023-01-06T07:56:09.653969Z",
            "start_waiting": "2023-01-06T06:45:59.489780Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 92589,
            "name": "The 47th 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。これは第四十七回村瀬碁グループ定例トーナメントです。2022年8月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 47th tournament that starts on August 27th, 2022.",
            "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": 345600
            },
            "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": "2022-08-26T23:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-26T23:00:49.863529Z",
            "ended": "2023-03-09T02:53:30.744121Z",
            "start_waiting": "2022-08-26T23:00:48.487825Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 71114,
            "name": "第2期かおり杯名人戦級位リーグ2(~1k)",
            "director": {
                "id": 687868,
                "username": "site_tmp2",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/df15d7948ed906cfa068879a5f71e7b3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "humandryさん、Numeric 4さん、レックスさん、マンジュリカさん、rinsiさん、onewayさん、umanosuke73さん、びくまるさん\n\nnenlehさん(2/13追加)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2969,
                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 298,
                "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-13T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2021-02-13T11:00:37.104802Z",
            "ended": "2021-05-03T01:57:42.016508Z",
            "start_waiting": "2021-02-13T11:00:36.389359Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 52054,
            "name": "New Year Tournament",
            "director": {
                "id": 348886,
                "username": "nicodaisuki",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1724.605004636006,
                        "deviation": 65.88111689435804,
                        "volatility": 0.06003268569255853
                    }
                },
                "ranking": 27.533569588846934,
                "professional": false,
                "ui_class": ""
            },
            "description": "Taiwan is a country!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 2419200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1144,
                "name": "Taiwanese",
                "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 182,
                "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-01-01T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-01-01T08:00:50.520102Z",
            "ended": null,
            "start_waiting": "2020-01-01T08:00:49.367054Z",
            "board_size": 19,
            "active_round": 8,
            "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png",
            "player_count": 29,
            "ranked": true
        },
        {
            "id": 37899,
            "name": "The Trowel v The Bun Game 2",
            "director": {
                "id": 512334,
                "username": "danielml01",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/4d5da62e5cdaf4e31b1d5decf55b3b25-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1713.8117689281312,
                        "deviation": 61.172552113204866,
                        "volatility": 0.05989993727048056
                    }
                },
                "ranking": 27.388232799408513,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "The Trowel v The Bun Game 2",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 1800,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2509,
                "name": "Kyu Clash",
                "summary": "Where Kyu Level Go Streamers Face Off! https://twitch.tv/kyuclash",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-06-05T18:30:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2018-06-05T18:30:13.559120Z",
            "ended": "2018-06-05T18:58:27.151474Z",
            "start_waiting": "2018-06-05T18:30:13.335730Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 98381,
            "name": "Thursday Live",
            "director": {
                "id": 1041259,
                "username": "blee.dublin",
                "country": "ie",
                "icon": "https://secure.gravatar.com/avatar/3e48c09b059332eba4380d54ca14d6de?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1745.3594920258188,
                        "deviation": 61.966019175043776,
                        "volatility": 0.059954129052009864
                    }
                },
                "ranking": 27.810501593855072,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "double_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": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 858,
                "name": "Ireland",
                "summary": "For Irish go players, and friends of Irish go, wherever they may roam...",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 209,
                "icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-29T20:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-12-29T20:00:47.778807Z",
            "ended": "2022-12-29T20:48:31.102922Z",
            "start_waiting": "2022-12-29T20:00:47.682891Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 94587,
            "name": "LA tournament",
            "director": {
                "id": 1136031,
                "username": "gogowin11",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1e699c68a6db4a4af533418bfcccab4d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1051.8120291899297,
                        "deviation": 60.607368089535974,
                        "volatility": 0.05987306146203933
                    }
                },
                "ranking": 16.086273726354626,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament for Beginner players",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 240,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 661,
                "name": "Grupo Iberoamericano",
                "summary": "Grupo para jugadores de habla Hispana y Portuguesa, e iberoamericanos en general.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 701,
                "icon": "https://user-uploads.online-go.com/9f4ddc5ba6a008540d5257acf0b233f6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T01:30:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 18,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-14T01:30:42.417861Z",
            "ended": "2022-09-14T01:47:54.013491Z",
            "start_waiting": "2022-09-14T01:30:42.353383Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9f4ddc5ba6a008540d5257acf0b233f6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 134457,
            "name": "onnnnnnnnnnnnnn",
            "director": {
                "id": 1460731,
                "username": "добрыня. pro",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/1c25f90260f1772d7745aab3e4482d04-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1126.4647177122386,
                        "deviation": 64.33225030586237,
                        "volatility": 0.06113194024869471
                    }
                },
                "ranking": 17.673663236368178,
                "professional": false,
                "ui_class": ""
            },
            "description": "noiiiiiiiiiiiiiiiiiii",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15695,
                "name": "тэсудзи",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-22T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-22T11:00:08.043540Z",
            "ended": "2026-04-11T10:29:50.822227Z",
            "start_waiting": "2025-11-22T11:00:07.807024Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 98975,
            "name": "3 -> 余啟睿 4 -> 曹汝熙",
            "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": "3 -> 余啟睿\n4 -> 曹汝熙",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": 1
            },
            "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": "2023-01-15T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-01-15T07:53:25.005358Z",
            "ended": "2023-01-15T08:26:03.891729Z",
            "start_waiting": "2023-01-15T07:53:24.951207Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}