List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3105
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58973,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=3106",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=3104",
    "results": [
        {
            "id": 2935,
            "name": "Have fun and Improve",
            "director": {
                "id": 59737,
                "username": "LetsGo24a",
                "country": "",
                "icon": "https://secure.gravatar.com/avatar/225ec06f8fe542cd04d824c79beeb5e7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1004.2371915345905,
                        "deviation": 146.8880431081534,
                        "volatility": 0.05999812343738161
                    }
                },
                "ranking": 15.014748683498397,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun and work on your skills in basically following the purpose of this group.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 31,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 120,
                "max_time": 604800,
                "time_increment": 30
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 17853,
                "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": 2,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-05-28T14:52:47.032057Z",
            "ended": "2014-05-28T15:01:41.689917Z",
            "start_waiting": "2014-05-28T14:52:46.735668Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 13900,
            "name": "have fun! #1",
            "director": {
                "id": 109444,
                "username": "VPshunt",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/70c797283afa9d1b71a708763c8c6051-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1703.9681645981816,
                        "deviation": 64.16663281633048,
                        "volatility": 0.059838863578554974
                    }
                },
                "ranking": 27.254883037419365,
                "professional": false,
                "ui_class": ""
            },
            "description": "Playing GO is so fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 873,
                "name": "楽碁倶楽部(Rakugo Club)",
                "summary": "碁は楽しまないとね",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-01-10T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-01-10T00:00:27.229712Z",
            "ended": "2016-02-24T19:03:28.182919Z",
            "start_waiting": "2016-01-10T00:00:27.029948Z",
            "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": 100833,
            "name": "Have fun",
            "director": {
                "id": 1004942,
                "username": "Taybuddyz",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/b9464ad096ebc62e2a7ef87a9f39ebc6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 701.5807232241659,
                        "deviation": 61.86619545966917,
                        "volatility": 0.05996754285214079
                    }
                },
                "ranking": 6.712057816086596,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun",
            "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": 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": 17853,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-07T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-05T08:03:28.203711Z",
            "ended": "2023-12-05T08:11:05.845654Z",
            "start_waiting": "2023-12-05T08:03:28.100409Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 27183,
            "name": "have fun :)",
            "director": {
                "id": 433931,
                "username": "natsu101",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/04dd329c876776138743c655012ff9aa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1112.9758581338638,
                        "deviation": 65.41890522404191,
                        "volatility": 0.06008009375749486
                    }
                },
                "ranking": 17.394780305447448,
                "professional": false,
                "ui_class": ""
            },
            "description": "join if you want",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 2446080,
            "time_control_parameters": {
                "period_time": 2419200,
                "main_time": 2419200,
                "system": "byoyomi",
                "pause_on_weekends": true,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "correspondence"
            },
            "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": 3643,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2017-05-22T19:58:00Z",
            "players_start": 25,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-22T19:58:16.689694Z",
            "ended": "2023-06-17T06:42:09.200006Z",
            "start_waiting": "2017-05-22T19:58:14.804389Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 79233,
            "name": "have fun",
            "director": {
                "id": 1042973,
                "username": "I love canada",
                "country": "ca",
                "icon": "https://secure.gravatar.com/avatar/8a94c33b3941dea34b0814bb0d7f141a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.8310439349793,
                        "deviation": 64.26499355640503,
                        "volatility": 0.060005990024576156
                    }
                },
                "ranking": 26.56350124796575,
                "professional": false,
                "ui_class": ""
            },
            "description": "have fun*",
            "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": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1780,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-24T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-26T17:59:24.874098Z",
            "ended": "2021-09-09T14:03:07.576394Z",
            "start_waiting": "2021-08-26T17:59:24.757999Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 21313,
            "name": "have fun",
            "director": {
                "id": 369747,
                "username": "maximum ride",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/4e43b2eda83fb8387ee4f926067ccb4e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1082.0095644526186,
                        "deviation": 87.15572395932517,
                        "volatility": 0.060042386858604684
                    }
                },
                "ranking": 16.741548392214174,
                "professional": false,
                "ui_class": ""
            },
            "description": "this is for anyone! and welcome",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 208,
                "name": "The new beginning ",
                "summary": "This group is for players who have just started and want to get better at the game we do regular matches and they are randomly selected i hope this group can be a lot of fun ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 93,
                "icon": "https://user-uploads.online-go.com/0601e38db8fdf5c74b09e1dda3b86751-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-10-22T20:10:00Z",
            "players_start": 5,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-10-22T23:40:20.531517Z",
            "ended": "2016-11-24T19:38:43.369480Z",
            "start_waiting": "2016-10-22T23:40:19.840882Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0601e38db8fdf5c74b09e1dda3b86751-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 26488,
            "name": "have fun",
            "director": {
                "id": 433931,
                "username": "natsu101",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/04dd329c876776138743c655012ff9aa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1112.9758581338638,
                        "deviation": 65.41890522404191,
                        "volatility": 0.06008009375749486
                    }
                },
                "ranking": 17.394780305447448,
                "professional": false,
                "ui_class": ""
            },
            "description": "please have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 6720,
            "time_control_parameters": {
                "total_time": 604800,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": true
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 3643,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2017-04-25T13:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-04-25T15:05:19.557765Z",
            "ended": "2017-05-29T02:27:03.069958Z",
            "start_waiting": "2017-04-25T15:05:19.080382Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 78082,
            "name": "havefun",
            "director": {
                "id": 1008124,
                "username": "BCCG6PINE",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d52536230e4fb9fbc4caa5f21f22614e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1115.337445537608,
                        "deviation": 66.409041647751,
                        "volatility": 0.06011325479886125
                    }
                },
                "ranking": 17.443849499420548,
                "professional": false,
                "ui_class": ""
            },
            "description": "hello",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 86400,
                "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": 17853,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-27T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-28T04:41:21.873124Z",
            "ended": "2021-08-18T11:01:30.690561Z",
            "start_waiting": "2021-07-28T04:41:21.730318Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 106163,
            "name": "Have a relaxing game, and have a great time!",
            "director": {
                "id": 940672,
                "username": "Yui_Chit",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/64c6a9c7efc232fff77bcfc11a09a4c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1091.535465738471,
                        "deviation": 61.19698695403642,
                        "volatility": 0.06013484949468346
                    }
                },
                "ranking": 16.944466688032787,
                "professional": false,
                "ui_class": ""
            },
            "description": "Relaxing in the weekend! Everyone is welcome, but establish your rank before joining please!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 111,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2700,
                "period_time": 90,
                "periods": 10
            },
            "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": 17853,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-12T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-12T02:00:55.295658Z",
            "ended": "2023-08-12T04:25:20.595465Z",
            "start_waiting": "2023-08-12T02:00:55.223272Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 69860,
            "name": "Have a good game",
            "director": {
                "id": 841903,
                "username": "Clayton 2012",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/acf053bd9afd8eb70f1ce036e1cd7197?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 855.9249966897519,
                        "deviation": 65.68853498360008,
                        "volatility": 0.06007288177782305
                    }
                },
                "ranking": 11.315360920851413,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have a great game",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": false,
            "group": {
                "id": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 193,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-08T01:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-08T03:57:45.289268Z",
            "ended": "2021-01-11T01:55:17.378506Z",
            "start_waiting": "2021-01-08T03:57:45.246234Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}