List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-name&page=4012
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59363,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=4013",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=4011",
    "results": [
        {
            "id": 368,
            "name": "burnside's mini-tournament",
            "director": {
                "id": 10060,
                "username": "burnside",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/58ec7a73c273f72818675c64e54ad94d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1454.2224839913506,
                        "deviation": 64.67664660579754,
                        "volatility": 0.060003511516271285
                    }
                },
                "ranking": 23.585877435019903,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-11-25T22:30:00Z",
            "ended": "2008-01-22T13:10:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 59333,
            "name": "Burgers",
            "director": {
                "id": 749776,
                "username": "TheABCBumblebee",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/1f795cf8e817f79332885ee2aecdbc97-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 954.7072568007593,
                        "deviation": 63.07353262081345,
                        "volatility": 0.059999761516800074
                    }
                },
                "ranking": 13.843850324884196,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello",
            "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": true,
            "group": {
                "id": 4767,
                "name": "WeiqiMath",
                "summary": "Math rule is invented to replicate the original go rule. The score is the number of stones surviving on the board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 83,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-19T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-21T14:56:12.694479Z",
            "ended": "2020-04-21T15:26:34.861936Z",
            "start_waiting": "2020-04-21T14:56:12.290079Z",
            "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": 75205,
            "name": "bunny stretch",
            "director": {
                "id": 769861,
                "username": "rainncat",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.0308630931373,
                        "deviation": 65.62894696966373,
                        "volatility": 0.060026784983209604
                    }
                },
                "ranking": 14.331490463627786,
                "professional": false,
                "ui_class": ""
            },
            "description": "https://youtu.be/okvsVbi0OU8 Hey, isn't that a bunguette?",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 262080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 259200,
                "initial_time": 259200,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6843,
                "name": "bunny and squirrel",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/4fbbe44d15fe786fd4c4d0d540f0ee05-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-22T17:00:00Z",
            "players_start": 5,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-22T17:00:58.429050Z",
            "ended": "2022-05-23T17:58:27.171842Z",
            "start_waiting": "2021-05-22T17:00:58.196445Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4fbbe44d15fe786fd4c4d0d540f0ee05-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 25485,
            "name": "Bulgarian Go Players - Open 2017",
            "director": {
                "id": 79876,
                "username": "3axapu",
                "country": "bg",
                "icon": "https://user-uploads.online-go.com/52c3e2f4f4fd970e23532c35f6484ed4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1326.6856649240497,
                        "deviation": 60.99739935962995,
                        "volatility": 0.060023766645509076
                    }
                },
                "ranking": 21.460996075928286,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Бързи кореспондентни игри",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60480,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 57600,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 273,
                "name": "Bulgarian Go Players",
                "summary": "Група на играещите Го от България.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/ddd682e526af61940b5bb2c841223bdf-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-03-21T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-03-21T08:00:08.157589Z",
            "ended": "2017-07-30T23:29:12.166219Z",
            "start_waiting": "2017-03-21T08:00:07.842606Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ddd682e526af61940b5bb2c841223bdf-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 74998,
            "name": "building",
            "director": {
                "id": 932565,
                "username": "Turtle the Tortoise",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/13380c0d79e2a7508f7a5db582ffa6e2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "I don’t want to do a description",
            "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": 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": 17902,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-10T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-13T03:48:19.134619Z",
            "ended": "2021-08-29T11:21:09.745760Z",
            "start_waiting": "2021-05-13T03:48:19.043908Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 1057,
            "name": "bufrisa's mini-tournament",
            "director": {
                "id": 30285,
                "username": "bufrisa",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ec3d0925df89432ba1608ce85b7bd562?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1971.6452322970472,
                        "deviation": 96.04817709761934,
                        "volatility": 0.05999886356388733
                    }
                },
                "ranking": 30.63266694279146,
                "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-03-25T21:56:03Z",
            "ended": "2010-03-25T20:56:03Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 65024,
            "name": "Budisava",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 790.2994072178445,
                        "deviation": 64.66815139504368,
                        "volatility": 0.05991724621983771
                    }
                },
                "ranking": 9.46866501470618,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 27,
                "name": "Serbian Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-05T15:55:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 12,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-05T08:56:48.133198Z",
            "ended": "2021-07-12T17:57:07.283345Z",
            "start_waiting": "2020-09-05T08:56:47.962298Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 261,
            "name": "BudhaDude's mini-tournament",
            "director": {
                "id": 10594,
                "username": "BudhaDude",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/424658a8420df1e624b9743e4a8f572f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1342.6258970272033,
                        "deviation": 65.96146201731314,
                        "volatility": 0.0599990310245136
                    }
                },
                "ranking": 21.737487411755534,
                "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-07-07T18:36:00Z",
            "ended": "2007-08-15T11:17:00Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 58936,
            "name": "Buckwheat keepers tournament at home",
            "director": {
                "id": 182494,
                "username": "𝖎𝖒𝖙𝖖𝖔𝖎",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/35c19d35d44885ef5dffd8148b90c4e3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1843.1041810968832,
                        "deviation": 62.107438293154054,
                        "volatility": 0.05986570972305487
                    }
                },
                "ranking": 29.071960327185394,
                "professional": false,
                "ui_class": ""
            },
            "description": "Тёплый турнир по-домашнему для игроков из России :)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5224,
                "name": "Go club Reisei",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/9d3c3b836b6d01b5fa0a7ce676044ab2-64.png"
            },
            "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": false,
            "exclusivity": "open",
            "started": "2020-04-15T15:00:20.451432Z",
            "ended": "2021-04-20T23:59:01.948338Z",
            "start_waiting": "2020-04-15T15:00:19.338027Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9d3c3b836b6d01b5fa0a7ce676044ab2-15.png",
            "player_count": 25,
            "ranked": true
        },
        {
            "id": 59482,
            "name": "BTS League Dan2",
            "director": {
                "id": 748535,
                "username": "BTS0226",
                "country": "kr",
                "icon": "https://secure.gravatar.com/avatar/bbe5057b28d2d30c04ed08fd3303e642?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2062.3078183294097,
                        "deviation": 201.36742357517417,
                        "volatility": 0.06000582088457206
                    }
                },
                "ranking": 31.67342886337411,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "BTS League Dan2",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 56,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2400,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4889,
                "name": "BTS Online League",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/5a7332d2f57995981a77a1282a4f60fb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-23T03:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-23T02:43:07.843609Z",
            "ended": "2020-04-23T03:43:39.466238Z",
            "start_waiting": "2020-04-23T02:43:07.306835Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5a7332d2f57995981a77a1282a4f60fb-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}