List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5495
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60024,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5496",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5494",
    "results": [
        {
            "id": 74036,
            "name": "19x19 Traditional monthly tournament VI/21",
            "director": {
                "id": 929191,
                "username": "EnsoZEN",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1463.5820448380764,
                        "deviation": 67.30723430909097,
                        "volatility": 0.06004488935091738
                    }
                },
                "ranking": 23.734396346844115,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have ZEN!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-31T23:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-31T23:00:31.402268Z",
            "ended": "2021-10-12T23:59:04.838203Z",
            "start_waiting": "2021-05-31T23:00:30.533196Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 74552,
            "name": "9x9 Classic W.D.D.T. X",
            "director": {
                "id": 959671,
                "username": "ZachLee",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/9f6a01a48db5819cb29f790866e3ad03-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1422.2965587704578,
                        "deviation": 64.39474436082165,
                        "volatility": 0.05998151141691156
                    }
                },
                "ranking": 23.071981640961692,
                "professional": false,
                "ui_class": ""
            },
            "description": "Classic weekly double death tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-09T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-09T23:00:53.830810Z",
            "ended": "2021-08-09T21:30:24.713475Z",
            "start_waiting": "2021-05-09T23:00:53.518639Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 79731,
            "name": "3 weeks absolute Handicap - mid ddk to sdk",
            "director": {
                "id": 131495,
                "username": "lassova",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/5cbf9fce9d7b509551316cc452a20684-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1156.2330305402834,
                        "deviation": 62.41439010686528,
                        "volatility": 0.059697659729280594
                    }
                },
                "ranking": 18.277488698745735,
                "professional": false,
                "ui_class": ""
            },
            "description": "No pausing and no vacations, please.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 20160,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1814400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 593,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-11T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 14,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-09-11T14:00:33.533899Z",
            "ended": "2022-01-07T09:12:14.659385Z",
            "start_waiting": "2021-09-11T14:00:31.814438Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 2134,
            "name": "leu's mini-tournament",
            "director": {
                "id": 7144,
                "username": "leu",
                "country": "zz",
                "icon": "https://secure.gravatar.com/avatar/380a2d63cef1d5d702278e2b561e2e51?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2055.17107734525,
                        "deviation": 63.33302914005745,
                        "volatility": 0.05998171192227652
                    }
                },
                "ranking": 31.593177950900873,
                "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": 604800,
                "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": 23,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-03-28T20:23:51Z",
            "ended": "2013-11-25T02:23:20.352592Z",
            "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": 63767,
            "name": "Ninja warrior super battle 4",
            "director": {
                "id": 811650,
                "username": "Kimmomimsimimwi",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/61e0f9ca340e6666205164c060d5e04a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1503.8058692141842,
                        "deviation": 65.25254908575168,
                        "volatility": 0.060002103858000304
                    }
                },
                "ranking": 24.36204504072503,
                "professional": false,
                "ui_class": ""
            },
            "description": "Another good compition\n.",
            "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": false,
            "group": {
                "id": 6406,
                "name": "Ninja warrior",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 0,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-01T23:20:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-01T02:19:01.698929Z",
            "ended": "2020-08-02T06:13:24.044196Z",
            "start_waiting": "2020-08-01T02:19:01.512911Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 109620,
            "name": "32 sewas",
            "director": {
                "id": 1465057,
                "username": "adccdwed",
                "country": "pe",
                "icon": "https://user-uploads.online-go.com/bb53407585cd01414607efa00e6c525b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1369.9678633046344,
                        "deviation": 87.89574604306509,
                        "volatility": 0.060008544017272486
                    }
                },
                "ranking": 22.204190510588543,
                "professional": false,
                "ui_class": ""
            },
            "description": "4r35r4",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10635,
                "name": "Blitz ⚡",
                "summary": "Welcome,\n\nBlitz style tourneys, please join if you like speedy Go!\n\n\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-11-15T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-16T20:57:29.117286Z",
            "ended": "2025-05-19T17:03:16.664784Z",
            "start_waiting": "2025-05-16T20:57:28.979287Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 102407,
            "name": "2023 In group 9X9",
            "director": {
                "id": 1063780,
                "username": "ArPo XI",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/1a70f0eda1cd44c6986e10c87ff2fdf0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1566.1003699641476,
                        "deviation": 63.20962683799533,
                        "volatility": 0.06062539082630159
                    }
                },
                "ranking": 25.301693073377773,
                "professional": false,
                "ui_class": ""
            },
            "description": "Notting\n\n<link rel=\"stylesheet\" type=\"text/css\" href=\"https://wizardofcode1.github.io/styles.css\">",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 280533,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 259200,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10737,
                "name": "Go Players!!! 😃",
                "summary": "<h1> Have fun :) <h1>",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 101,
                "icon": "https://user-uploads.online-go.com/89d0a6b04a47b75ae4a14890520e2309-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-24T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-05-19T19:57:01.281757Z",
            "ended": "2023-09-11T12:55:39.182360Z",
            "start_waiting": "2023-05-19T19:57:01.212216Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/89d0a6b04a47b75ae4a14890520e2309-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 327,
            "name": "1st Oude Geuze Cup",
            "director": {
                "id": 430,
                "username": "rottenhat",
                "country": "ie",
                "icon": "https://user-uploads.online-go.com/39625f5d6aa9484f8212327bf6eb9290-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1781.280091736795,
                        "deviation": 62.057718815549876,
                        "volatility": 0.05995437910309559
                    }
                },
                "ranking": 28.28210671368644,
                "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": 432000,
                "max_time": 864000,
                "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": 19,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-09-25T11:20:00Z",
            "ended": "2008-05-02T04:43:00Z",
            "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": 827,
            "name": "wookie's 1st mini-tournament",
            "director": {
                "id": 18793,
                "username": "wookie",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/9735f121a95a3f423385dcda54ca085e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1629.7198873816042,
                        "deviation": 64.28160571805171,
                        "volatility": 0.05991222930277763
                    }
                },
                "ranking": 26.223513644048545,
                "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": 16,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-09-24T17:00:14Z",
            "ended": "2009-09-24T15:00:14Z",
            "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": 1855,
            "name": "Boidhre's handicap mini-tournament",
            "director": {
                "id": 773,
                "username": "Boidhre",
                "country": "ie",
                "icon": "https://secure.gravatar.com/avatar/43c143290be89c1814a4fa3573313904?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1948.2140708370903,
                        "deviation": 64.45648873054535,
                        "volatility": 0.06002104571977288
                    }
                },
                "ranking": 30.35590300482878,
                "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": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 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": 6,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-09-21T19:11:33Z",
            "ended": "2012-09-21T17:11:33Z",
            "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
        }
    ]
}