List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5763
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58933,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5764",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5762",
    "results": [
        {
            "id": 88622,
            "name": "Handicap Tournament [25 Kyu to 15 Kyu]",
            "director": {
                "id": 446365,
                "username": "ChessKitten",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/3cc33900adbcc0822869a26ef5a5e26a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Handicap Tournament for 25 Kyu to 15 Kyu",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 259200,
                "max_time": 2419200
            },
            "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": 17844,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-31T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-05-31T16:00:20.185607Z",
            "ended": "2022-11-25T18:41:31.507025Z",
            "start_waiting": "2022-05-31T16:00:20.012510Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 111843,
            "name": "Kranj 55",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 788.4782417507043,
                        "deviation": 64.76496024965462,
                        "volatility": 0.0599203180748189
                    }
                },
                "ranking": 9.415256608156199,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 38051,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 36000,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-01-23T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-23T16:00:13.966589Z",
            "ended": "2024-06-05T01:04:20.806037Z",
            "start_waiting": "2024-01-23T16:00:13.606658Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 44301,
            "name": "25k - 15k tournament DE 19x19 Correspondence",
            "director": {
                "id": 572024,
                "username": "BeamingBlackFlame",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/59c118eb318e6d5e29c7f4adc6d995c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1133.3918928571395,
                        "deviation": 62.93043043373966,
                        "volatility": 0.05999229649867983
                    }
                },
                "ranking": 17.815587822314367,
                "professional": false,
                "ui_class": ""
            },
            "description": "DDK Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2946,
                "name": "Final Frontier",
                "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-12T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-01-12T16:00:16.277360Z",
            "ended": "2020-05-03T09:47:07.301274Z",
            "start_waiting": "2019-01-12T16:00:15.001090Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png",
            "player_count": 34,
            "ranked": true
        },
        {
            "id": 7070,
            "name": "Insbruck 13x13 Mai 2015",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 740.6570113093726,
                        "deviation": 64.69708729477726,
                        "volatility": 0.05912272278077333
                    }
                },
                "ranking": 7.96682671225803,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "xdt bhji",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 180,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 445,
                "name": "Go7wien",
                "summary": "Wiener Go Klub",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 64,
                "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-05-22T16:58:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-05-22T16:58:48.782898Z",
            "ended": "2015-05-22T18:00:12.185224Z",
            "start_waiting": "2015-05-22T16:58:48.434919Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 6773,
            "name": "Orion 6 19x19 Mai 2015",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 740.6570113093726,
                        "deviation": 64.69708729477726,
                        "volatility": 0.05912272278077333
                    }
                },
                "ranking": 7.96682671225803,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "drtz uhi",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36960,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 36000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 357,
                "name": "ORION",
                "summary": "Torneo Latinoamericano de Go por equipos Sub-18",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 137,
                "icon": "https://user-uploads.online-go.com/ee9d9460a8b97d165ea8a0d257436c51-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-05-01T16:55:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-04-30T15:45:21.695898Z",
            "ended": "2015-06-29T22:02:00.256655Z",
            "start_waiting": "2015-04-30T15:45:19.865539Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ee9d9460a8b97d165ea8a0d257436c51-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 121684,
            "name": "Beginners fun tournament",
            "director": {
                "id": 635649,
                "username": "Kinsetsu",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/0b77bbe495d5bb9305a966f363acdf71-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 636.067546201368,
                        "deviation": 68.29021479174683,
                        "volatility": 0.05997814582336807
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament aimed at beginners.",
            "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": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8852,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-11-02T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-02T22:00:33.746365Z",
            "ended": "2025-05-30T16:49:27.070090Z",
            "start_waiting": "2024-11-02T22:00:33.605361Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 3035,
            "name": "20-15 kyu",
            "director": {
                "id": 67760,
                "username": "thebbb",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/48a125b182d5adc235e72046c2016356-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1722.948221663965,
                        "deviation": 66.21608564861471,
                        "volatility": 0.06094476539591248
                    }
                },
                "ranking": 27.511319299300858,
                "professional": false,
                "ui_class": ""
            },
            "description": "20-15 kyu",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 172800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3642,
                "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": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-08-24T06:46:19.697250Z",
            "ended": "2014-10-05T19:22:00.318737Z",
            "start_waiting": "2014-08-24T06:46:19.578520Z",
            "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": 1978,
            "name": "Cody_Star's Rertuning Tournament",
            "director": {
                "id": 43092,
                "username": "Cody_Star",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d6e46b0eb1419567f3623b8c761f9920?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1083.4611663327662,
                        "deviation": 71.45379420559873,
                        "volatility": 0.05993273047818384
                    }
                },
                "ranking": 16.772585143790774,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 864000,
                "max_time": 2592000,
                "time_increment": 259200
            },
            "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": 384,
                "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": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-25T15:31:30Z",
            "ended": "2012-12-25T14:31:30Z",
            "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": 76738,
            "name": "Beginner's luck.",
            "director": {
                "id": 1015881,
                "username": "yourboy",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b3f60bfd36109fe990dca8acbefdc8ce?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1287.5459209656915,
                        "deviation": 65.02090501388498,
                        "volatility": 0.06000497128059354
                    }
                },
                "ranking": 20.76775008524488,
                "professional": false,
                "ui_class": ""
            },
            "description": "Yourboy's friends championship",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 132480,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 129600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9521,
                "name": "yourboy's friends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-06-27T21:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 7,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-28T16:35:23.507704Z",
            "ended": "2021-09-16T00:33:13.473708Z",
            "start_waiting": "2021-06-28T16:35:23.342057Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 137303,
            "name": "BeGinNer fIgHT!! _ ReBooT Ver7_ TNMT",
            "director": {
                "id": 1742791,
                "username": "AKIBABO",
                "country": "_GoT_Lannister",
                "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 877.5663079078025,
                        "deviation": 61.689867886879824,
                        "volatility": 0.05990098025022462
                    }
                },
                "ranking": 11.893410990768338,
                "professional": false,
                "ui_class": ""
            },
            "description": "BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎~~~",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16114,
                "name": "ShaNgHai_Korean_ChINa_BegInNer",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-02-19T10:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-02-19T10:00:15.813083Z",
            "ended": null,
            "start_waiting": "2026-02-19T10:00:15.585724Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}