List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=41
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59407,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=42",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=40",
    "results": [
        {
            "id": 107156,
            "name": "Bリーグ(7k-3k)",
            "director": {
                "id": 874208,
                "username": "FUKO.S",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2208.151542128061,
                        "deviation": 68.94747429756583,
                        "volatility": 0.06003767154281009
                    }
                },
                "ranking": 33.25527075653788,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-07T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 27,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-09-07T11:00:55.676788Z",
            "ended": "2023-09-26T09:12:33.590161Z",
            "start_waiting": "2023-09-07T11:00:55.293184Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 38049,
            "name": "+(*%U",
            "director": {
                "id": 120320,
                "username": "Ignil",
                "country": "_GoT_Lannister",
                "icon": "https://user-uploads.online-go.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2121.912696995676,
                        "deviation": 70.45817006699149,
                        "volatility": 0.05996492273182429
                    }
                },
                "ranking": 32.33302425647488,
                "professional": false,
                "ui_class": ""
            },
            "description": "19X19 Round Robin",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 485,
                "name": "THAILAND GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 509,
                "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-07-27T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-07-13T06:32:08.660709Z",
            "ended": "2018-12-07T17:29:17.187473Z",
            "start_waiting": "2018-07-13T06:32:03.463770Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 61029,
            "name": "สาระRails361! Tour ครั้งที่ 24 \"New Normal\"",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "#Respect\n\nOnly a few close friends were invited.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-06-13T03:00:59.696132Z",
            "ended": "2020-07-13T06:24:46.376474Z",
            "start_waiting": "2020-06-13T03:00:57.514632Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 130355,
            "name": "สาระRA!Ls Tour ครั้งที่ 81",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "RESPECT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-23T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 34,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-07-22T13:46:15.630149Z",
            "ended": "2025-08-30T04:27:13.589111Z",
            "start_waiting": "2025-07-22T13:46:15.020045Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 66595,
            "name": "Kata-Go",
            "director": {
                "id": 817428,
                "username": "Deleted_2020_12_30_13:56",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/63fc518cc211a84e86a5219bbaa74bb4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2670.310901594028,
                        "deviation": 82.44996474119897,
                        "volatility": 0.05999921434266387
                    }
                },
                "ranking": 37.65467705375717,
                "professional": false,
                "ui_class": ""
            },
            "description": "Selfplay",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 286080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 259200,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7065,
                "name": "KG/LZ/Leela",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-31T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-31T00:00:22.012014Z",
            "ended": "2021-01-29T17:03:28.539993Z",
            "start_waiting": "2020-10-31T00:00:21.662268Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 42835,
            "name": "สาระ-rail361! tour ครั้งที่ 7",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "What truly pain me was not a physical injuries,\nlose makes me pain.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "total_time": 1123200,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 30,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-01-13T03:01:01.946175Z",
            "ended": "2019-02-05T04:48:38.324570Z",
            "start_waiting": "2019-01-13T03:00:58.556932Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 1883,
            "name": "samarithan's mini-tournament 2",
            "director": {
                "id": 34917,
                "username": "samarithan",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/1cbdc505e874b30046a270659bbae013?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1975.8134681268186,
                        "deviation": 64.13284770730074,
                        "volatility": 0.06001566328119063
                    }
                },
                "ranking": 30.681556470280256,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "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": 22,
            "max_ranking": 30,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-10-13T18:10:41Z",
            "ended": "2012-10-13T16:10:41Z",
            "start_waiting": null,
            "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": 40463,
            "name": "สาระ-rail361! tour ครั้งที่ 5",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "\"enjoy Go\"",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "total_time": 1123200,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-13T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 37,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-11-13T00:00:07.352123Z",
            "ended": "2018-12-06T17:34:35.945163Z",
            "start_waiting": "2018-11-13T00:00:03.613296Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 111304,
            "name": "🧭 GPS Expo 81, 1st class",
            "director": {
                "id": 1252765,
                "username": "KatNoire",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d798a462581639c7be0f220400b2b60f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1474.1058774576727,
                        "deviation": 63.78024967595756,
                        "volatility": 0.05995328684214665
                    }
                },
                "ranking": 23.900259960522494,
                "professional": false,
                "ui_class": ""
            },
            "description": "Swiss format. Ranks 8kyu-9dan welcome, provisional not included. No handicap. Paused on weekends.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 58438,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "stones_per_period": 2
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13341,
                "name": "Go Petrologic Survey",
                "summary": "The bedrock of locating liveable landscapes",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/cb0c03c5aa13049379d23a6b93516231-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-03-04T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 22,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-04T11:00:31.481781Z",
            "ended": "2024-04-23T08:01:27.225806Z",
            "start_waiting": "2024-03-04T11:00:31.411986Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cb0c03c5aa13049379d23a6b93516231-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72703,
            "name": "โกะบ้านบ้านทัวร์ #02",
            "director": {
                "id": 824044,
                "username": "BABY2020",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/fa5c47944db11242acdc31bf7c5ad8b4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1803.7840623227096,
                        "deviation": 66.27083929860049,
                        "volatility": 0.059996144541039194
                    }
                },
                "ranking": 28.572742383964503,
                "professional": false,
                "ui_class": ""
            },
            "description": "โกะบ้านบ้าน ทัวร์ ภายใต้กลุ่ม Go World Wide. เล่นกันสนุกๆ แพ้ได้แพ้เลย ไม่มีกั๊ก… ฝึกซ้อม ฝึกสมอง เป็นกันเอง สุภาพชน",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-01T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 34,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-04-01T02:00:48.520032Z",
            "ended": "2021-08-20T03:00:12.045294Z",
            "start_waiting": "2021-04-01T02:00:47.324265Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}