List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-name&page=3578
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59585,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=3579",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=3577",
    "results": [
        {
            "id": 28212,
            "name": "Eye of the Tiger",
            "director": {
                "id": 433823,
                "username": "dudeman",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/4eb746941c589bce1fd139b3e01f6497-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1665.7681442630949,
                        "deviation": 69.65737561357963,
                        "volatility": 0.059965312016015564
                    }
                },
                "ranking": 26.729994278031604,
                "professional": false,
                "ui_class": ""
            },
            "description": "DDK tournament with double elimination. Who has the eye of the tiger to win it all?",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 3659,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-06-30T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-06-30T16:00:21.261492Z",
            "ended": "2018-10-06T03:52:25.294517Z",
            "start_waiting": "2017-06-30T16:00:20.573837Z",
            "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": 123040,
            "name": "Exploring Mirrors #1",
            "director": {
                "id": 62763,
                "username": "saxmaam",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/ecaadfea6552bbc99c01bdabdedfecf1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 900.5601301639981,
                        "deviation": 66.8050633981357,
                        "volatility": 0.06048614065516224
                    }
                },
                "ranking": 12.49217230290658,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Let's explore mirror go!  If black wants to mirror, he starts with tengen; else white starts mirroring with move two.  Mirroring can stop at any time, but remember that the purpose is to explore mirror games.  Have fun!\n\nI selected a fairly simple format with double elimination so that we don't get swamped with too many games at once.\n\nDiscussion of mirror situations is encouraged!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 14853,
                "name": "Exploring Mirror Go",
                "summary": "A safe place to mirror.\n\nI need to add an admin or two so this group doesn't become a zombie if I quit playing for a while.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-12-25T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-25T14:00:55.902257Z",
            "ended": null,
            "start_waiting": "2024-12-25T14:00:55.750959Z",
            "board_size": 19,
            "active_round": 7,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 76721,
            "name": "Explore Blitz Go Tournament",
            "director": {
                "id": 1009728,
                "username": "humfr33",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/acb59a6b28dde2384dee96d5fefb0d40?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Fortnightly Explore Go Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 180,
                "max_time": 180
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9420,
                "name": "Explore Go Tournaments",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-25T11:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-06-25T11:00:22.444801Z",
            "ended": "2021-06-25T11:34:45.517114Z",
            "start_waiting": "2021-06-25T11:00:22.329565Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2316,
            "name": "Exploration",
            "director": {
                "id": 45159,
                "username": "nickm",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/31226b008d6493e7ae1db11aaa795dea?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1649.8439048799135,
                        "deviation": 67.42797010914751,
                        "volatility": 0.059968981370566825
                    }
                },
                "ranking": 26.507622679178283,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "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": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-08T21:55:39Z",
            "ended": "2013-11-08T07:00:00.269335Z",
            "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": 82731,
            "name": "Explications",
            "director": {
                "id": 1082191,
                "username": "hollivierpeyrin",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/e5dc417bda4b9b325ee59d01fde1a0ba-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1566.9398907300824,
                        "deviation": 260.48877518890885,
                        "volatility": 0.06000173569164599
                    }
                },
                "ranking": 25.314099493072,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "world by nation",
            "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": 10609,
                "name": "World by Nation",
                "summary": "World by Nation on discord",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/5a7a7544e83aeaa88fac15b672ea9a51-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-20T14:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-21T00:30:42.014112Z",
            "ended": "2022-04-22T15:44:54.080919Z",
            "start_waiting": "2021-11-21T00:30:41.932507Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5a7a7544e83aeaa88fac15b672ea9a51-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 25548,
            "name": "Experimental openings",
            "director": {
                "id": 423551,
                "username": "experimental",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/bda0a2465f4a0bf61475fe5d2e2a637d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1627.1802322197561,
                        "deviation": 102.76113508594294,
                        "volatility": 0.06000454091583956
                    }
                },
                "ranking": 26.187409970767714,
                "professional": false,
                "ui_class": ""
            },
            "description": "If you want to practice, using non-standard openings or want to play against someone who doesn't use standard opening, join this tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 345600,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 8885,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-03-24T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-03-24T11:00:27.402016Z",
            "ended": "2018-09-24T18:21:59.240719Z",
            "start_waiting": "2017-03-24T11:00:01.338398Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 25,
            "ranked": true
        },
        {
            "id": 60150,
            "name": "Experimental Learning Go Club Tournament",
            "director": {
                "id": 735901,
                "username": "nathanxmn",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1a4b87da9a6e35c1166cc7ee093c09c1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1474.442432683206,
                        "deviation": 61.08328809565482,
                        "volatility": 0.06002702500153612
                    }
                },
                "ranking": 23.905544766932575,
                "professional": false,
                "ui_class": ""
            },
            "description": "Wednesday Nido Go Club mini-tournament.\n\nJoin our club discord chat to meet and play with other members.\nWe deliver official lessons on every Thursday flex.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 900
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4700,
                "name": "Nido Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-05-06T14:05:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-06T14:01:36.087157Z",
            "ended": "2020-05-06T15:30:56.629781Z",
            "start_waiting": "2020-05-06T14:01:35.621728Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 103878,
            "name": "Experiment: No Contact Go. Please read rules.",
            "director": {
                "id": 1293237,
                "username": "BearAware",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/3173d52c9360a0a58d2189427ea8d52e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 955.1843583293015,
                        "deviation": 65.99309271210821,
                        "volatility": 0.06000148888800797
                    }
                },
                "ranking": 13.855416322166972,
                "professional": false,
                "ui_class": ""
            },
            "description": "Experimental \"Altruistic Competition\" Go without contact between opponents' stones and thus without taking prisoners. Same rules as Go but you can't place a stone on a point adjacent horizontally, vertically or diagonally to an opponent's stone.",
            "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": 13290,
                "name": "Experiment: No Contact Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-06-05T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-03T22:42:59.854138Z",
            "ended": "2023-09-11T23:43:03.495913Z",
            "start_waiting": "2023-06-03T22:42:59.760517Z",
            "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": 2305,
            "name": "Evryone Plays 13",
            "director": {
                "id": 1108,
                "username": "rjcchan",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/184c8bf1cfdf60acf44f3b8a7f891e93?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1014.474449879875,
                        "deviation": 67.9300434459753,
                        "volatility": 0.05996072784328585
                    }
                },
                "ranking": 15.249546519340203,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 172800
            },
            "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": "2013-09-28T07:35:18Z",
            "ended": "2013-09-28T05:35:18Z",
            "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": 62182,
            "name": "Evolution tournoire !",
            "director": {
                "id": 764387,
                "username": "Okada",
                "country": "dz",
                "icon": "https://user-uploads.online-go.com/802895d19d034739ed95a706fd9e6c5f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 898.1750540844837,
                        "deviation": 63.756948127042236,
                        "volatility": 0.06004438933045687
                    }
                },
                "ranking": 12.430779670924041,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good game",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 121,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 120,
                "initial_time": 120,
                "max_time": 150
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6093,
                "name": "GO go let's go !",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://user-uploads.online-go.com/8186734653c6038630ed4a7e7f8ae7f0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-21T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-21T13:00:35.861173Z",
            "ended": "2020-06-21T13:10:36.544316Z",
            "start_waiting": "2020-06-21T13:00:35.596056Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8186734653c6038630ed4a7e7f8ae7f0-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}