List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5656
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60782,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5657",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5655",
    "results": [
        {
            "id": 84241,
            "name": "Classic W.D.D.T. XLIV",
            "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": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
            "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": 46,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-10T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-10T00:00:15.220543Z",
            "ended": "2022-03-03T12:32:35.888123Z",
            "start_waiting": "2022-01-10T00:00:15.060552Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 47482,
            "name": "190419练习赛(初级组)",
            "director": {
                "id": 619634,
                "username": "TheOGSnoob",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/a75075d258d505870dbc4cd63dc058b1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2146.0169966722465,
                        "deviation": 79.44705415198482,
                        "volatility": 0.059989259763153176
                    }
                },
                "ranking": 32.59451894394109,
                "professional": false,
                "ui_class": ""
            },
            "description": "练习赛,水平要求野狐6级以下\n\n如无特殊情况参加者不能用假期功能停止计时,大家要多运用预设条件下子功能。\n\n参加者下的棋我都会做简单的复盘,会在对局里摆出变化图\n\n另外若新比赛开始时,老比赛没有完成任何一局的成员,需要先至少完成一场老比赛才能报名新比赛",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 172800,
                "time_increment": 14400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3435,
                "name": "高川格fans",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 24,
                "icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-19T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-04-19T11:00:01.173111Z",
            "ended": "2019-05-04T01:52:35.101787Z",
            "start_waiting": "2019-04-19T11:00:00.716772Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 1879,
            "name": "deguoren's mini-tournament",
            "director": {
                "id": 28523,
                "username": "deguoren",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fbc98d14f3310062834ec116a9a07683?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1827.82236601581,
                        "deviation": 64.91225772635146,
                        "volatility": 0.06003268193684833
                    }
                },
                "ranking": 28.879215493835027,
                "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": 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": 386,
                "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": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-11-12T17:41:10Z",
            "ended": "2012-11-12T16:41:10Z",
            "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": 105646,
            "name": "Classic W.D.D.T. LXIV",
            "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": 46,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-13T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-13T23:00:55.638857Z",
            "ended": "2023-10-02T05:29:46.407167Z",
            "start_waiting": "2023-08-13T23:00:55.501365Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 13501,
            "name": "Santa Claus Great Tournament",
            "director": {
                "id": 2183,
                "username": "udhar_nabresh",
                "country": "ro",
                "icon": "https://secure.gravatar.com/avatar/c00d28977111f76b775edc5ed92b2295?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1394.4545358794608,
                        "deviation": 61.74748883839089,
                        "volatility": 0.05928672177738686
                    }
                },
                "ranking": 22.61431690552984,
                "professional": false,
                "ui_class": ""
            },
            "description": "Be the Old Guy bag full of (your) most desired presents ... and (from a very old Romanian Christmas and New Year song) ... \"as many straws (are) on (the roof of) your home ... as many gold coins (be) on your table\" !...",
            "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": 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": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2015-12-25T10:00:00Z",
            "players_start": 7,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-12-24T14:01:29.088551Z",
            "ended": "2016-08-01T10:07:26.317980Z",
            "start_waiting": "2015-12-24T14:01:27.866464Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 94587,
            "name": "LA tournament",
            "director": {
                "id": 1136031,
                "username": "gogowin11",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1e699c68a6db4a4af533418bfcccab4d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1051.8120291899297,
                        "deviation": 60.607368089535974,
                        "volatility": 0.05987306146203933
                    }
                },
                "ranking": 16.086273726354626,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament for Beginner players",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 240,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 661,
                "name": "Grupo Iberoamericano",
                "summary": "Grupo para jugadores de habla Hispana y Portuguesa, e iberoamericanos en general.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 701,
                "icon": "https://user-uploads.online-go.com/9f4ddc5ba6a008540d5257acf0b233f6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T01:30:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 18,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-14T01:30:42.417861Z",
            "ended": "2022-09-14T01:47:54.013491Z",
            "start_waiting": "2022-09-14T01:30:42.353383Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9f4ddc5ba6a008540d5257acf0b233f6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 94590,
            "name": "Find your position",
            "director": {
                "id": 154786,
                "username": "Samurai T",
                "country": "rs",
                "icon": "https://user-uploads.online-go.com/fc8655823be3f2eafe135fa4e85b86bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 813.4946645789505,
                        "deviation": 72.83413270352212,
                        "volatility": 0.05978750303566132
                    }
                },
                "ranking": 10.138336591075433,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play with pleasure!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "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": 11458,
                "name": "Best Friends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 23,
                "icon": "https://user-uploads.online-go.com/2b1f18c7e54d6f3c8170051050e45c7a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-18T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 11,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-18T19:00:20.964381Z",
            "ended": "2024-04-02T16:03:37.903336Z",
            "start_waiting": "2022-09-18T19:00:18.737082Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2b1f18c7e54d6f3c8170051050e45c7a-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 1610,
            "name": "darthmazer's mini-tournament",
            "director": {
                "id": 39571,
                "username": "darthmazer",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0ba90e2b4a6fddeb17fc4fc62e439ffc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 991.7053953656106,
                        "deviation": 81.13281162741187,
                        "volatility": 0.05998420830328052
                    }
                },
                "ranking": 14.724044035490909,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 1209600,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 1209600
            },
            "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": 386,
                "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": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-04-23T17:05:15Z",
            "ended": "2012-04-23T15:05:15Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 82103,
            "name": "Classic W.D.D.T. XXXVIII",
            "director": {
                "id": 598257,
                "username": "Lukyn",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1081.4540056406668,
                        "deviation": 64.24391385022881,
                        "volatility": 0.05997306837825915
                    }
                },
                "ranking": 16.72965895071198,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
            "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": 46,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-29T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-29T00:00:00.888930Z",
            "ended": "2022-01-18T13:20:22.871053Z",
            "start_waiting": "2021-11-29T00:00:00.747571Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 105645,
            "name": "Classic W.D.D.T. LXIII",
            "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": 46,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-08-06T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-06T23:00:54.270593Z",
            "ended": "2023-09-25T12:29:44.829882Z",
            "start_waiting": "2023-08-06T23:00:54.110662Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}