List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5864
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60019,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5865",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5863",
    "results": [
        {
            "id": 111725,
            "name": "Kranj 54",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": "2024-01-19T18:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-19T18:00:56.185373Z",
            "ended": "2024-08-14T17:12:18.599995Z",
            "start_waiting": "2024-01-19T18:00:56.102697Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 138402,
            "name": "BeGinNer fIgHT!! _ ReBooT Ver10_ lEaguE",
            "director": {
                "id": 1742791,
                "username": "AKIBABO",
                "country": "_GoT_Lannister",
                "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 931.8495051918152,
                        "deviation": 61.754387296090144,
                        "volatility": 0.059862335613761204
                    }
                },
                "ranking": 13.282846430196628,
                "professional": false,
                "ui_class": ""
            },
            "description": "BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎~~~",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87084,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 86400,
                "period_time": 86400,
                "periods": 2
            },
            "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": 3,
                "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-27T06:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-03-27T06:00:09.344578Z",
            "ended": null,
            "start_waiting": "2026-03-27T06:00:08.976016Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 816,
            "name": "tasos tavern mini-tournament",
            "director": {
                "id": 22412,
                "username": "ntinos",
                "country": "cy",
                "icon": "https://secure.gravatar.com/avatar/9fbad541834877726103348176d60065?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1118.7916599420314,
                        "deviation": 68.22589457650888,
                        "volatility": 0.06003770879214232
                    }
                },
                "ranking": 17.51543455418234,
                "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": true,
            "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": 385,
                "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": 8,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-10-11T03:32:49Z",
            "ended": "2009-10-11T01:32:49Z",
            "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": 77423,
            "name": "cat vs dog 1",
            "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": "this is just a tournament i made for fun.\nAre you a dog or cat person?",
            "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": 6414,
                "name": "Hot Cocoa",
                "summary": "\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-17T23:00:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-18T00:42:02.120216Z",
            "ended": "2022-01-31T06:33:17.224318Z",
            "start_waiting": "2021-07-18T00:42:01.990252Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 61274,
            "name": "Go Beginners OPEN 20k to 15k",
            "director": {
                "id": 75250,
                "username": "mcardenas",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/e99f42d2b8300f36dc8caaa5d5149fe4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 952.1642396684373,
                        "deviation": 65.15643795973772,
                        "volatility": 0.05996596142427853
                    }
                },
                "ranking": 13.782104285234388,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go Beginners OPEN 20k to 15k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 177,
                "name": "GO Beginners",
                "summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 258,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-06-05T15:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-09T23:05:20.068901Z",
            "ended": "2020-09-23T13:09:57.502640Z",
            "start_waiting": "2020-06-09T23:05:19.508744Z",
            "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": 69995,
            "name": "19x19 Swiss",
            "director": {
                "id": 845702,
                "username": "and-voss",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/28292dd46d331c4df0a41b8b21589d6c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1066.1447297592317,
                        "deviation": 64.59157197818651,
                        "volatility": 0.05975316663154797
                    }
                },
                "ranking": 16.399601259524317,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have Fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "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": 8910,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-01-11T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-11T12:22:47.978351Z",
            "ended": "2021-01-26T16:02:00.971884Z",
            "start_waiting": "2021-01-11T12:22:47.827701Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 61473,
            "name": "1T5o-u2r5nkasmmeinnti :D",
            "director": {
                "id": 444278,
                "username": "Haze with a Z",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/02656380a3a787e02316603bdfc6be88-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1029.8388188079111,
                        "deviation": 67.94999787085683,
                        "volatility": 0.060040733701657904
                    }
                },
                "ranking": 15.597528253196192,
                "professional": false,
                "ui_class": ""
            },
            "description": ":D:D:D\n\nIf it is unclear by the name, it is a 15-25ks mini tournament. Starts when full :D",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4456,
                "name": "Our Go House",
                "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 160,
                "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-06-06T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-04T17:49:10.444149Z",
            "ended": "2020-06-15T14:27:24.011874Z",
            "start_waiting": "2020-06-04T17:49:09.915560Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 3168,
            "name": "crown game",
            "director": {
                "id": 73094,
                "username": "hikaru1no1go",
                "country": "pk",
                "icon": "https://user-uploads.online-go.com/321d8cdbe7db0f9c7a8fa0c3059ca751-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1582.0014365944573,
                        "deviation": 64.84465326691476,
                        "volatility": 0.06006480111490102
                    }
                },
                "ranking": 25.535556427004384,
                "professional": false,
                "ui_class": ""
            },
            "description": "a short 13x13 tourney if u win this a golden badge will be in ur profile so get ur brains ready it will start on  ''12:00 utc'' 11 septmber 2014",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 320,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 300,
                "main_time": 1800,
                "periods": 5
            },
            "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": 18023,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "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": true,
            "exclusivity": "open",
            "started": "2014-09-11T12:09:42.771005Z",
            "ended": "2014-09-11T12:42:26.449313Z",
            "start_waiting": "2014-09-11T12:09:42.616723Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 111463,
            "name": "25-15 Kyu",
            "director": {
                "id": 802455,
                "username": "royz",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/23489ab482345a76b6d432ff07368b5a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.1310274249,
                        "deviation": 62.60253870008884,
                        "volatility": 0.06006769076422171
                    }
                },
                "ranking": 16.093293696950248,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please join the group 👌.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13939,
                "name": " A Cozy Go Place Down The Street",
                "summary": "Our mission:\n\nBall",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/ec49b953590174f514a8f7041a13597e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-01-12T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-25T08:01:14.205219Z",
            "ended": "2024-03-04T17:46:33.491915Z",
            "start_waiting": "2024-01-25T08:01:13.982544Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ec49b953590174f514a8f7041a13597e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 61051,
            "name": "13*13 correspondence",
            "director": {
                "id": 768293,
                "username": "omnomboypizza5",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/25e70e23674cdc3743c5ae94c2b8ce78-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1155.1884784509273,
                        "deviation": 67.02026395251889,
                        "volatility": 0.060047964720994385
                    }
                },
                "ranking": 18.2565653124913,
                "professional": false,
                "ui_class": ""
            },
            "description": "so join",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5144,
                "name": "Go players",
                "summary": "For all go players - feel free to join!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-25T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-29T11:35:32.279683Z",
            "ended": "2020-06-25T16:45:02.041178Z",
            "start_waiting": "2020-05-29T11:35:31.699591Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}