List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=12
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60978,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=13",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=11",
    "results": [
        {
            "id": 1632,
            "name": "Jeff's mini-tournament",
            "director": {
                "id": 11332,
                "username": "JeffW1961",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/715660e5da865a6caec438f45b32d596-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 511.17374945533516,
                        "deviation": 71.56445874057235,
                        "volatility": 0.05989324002930899
                    }
                },
                "ranking": 5,
                "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": 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": 5,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-03-05T03:13:15Z",
            "ended": "2012-03-05T02:13:15Z",
            "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": 69183,
            "name": "no one join this",
            "director": {
                "id": 888411,
                "username": "hikaru and sai.",
                "country": "_CARICOM",
                "icon": "https://user-uploads.online-go.com/8d9142072852dbb65909746ea4f4d5a9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 633.6080341648096,
                        "deviation": 65.33801758418787,
                        "volatility": 0.05999209103873468
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "do not join this",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 30,
                "max_time": 60
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7697,
                "name": "😐😐😐😐😐😐",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-20T17:20:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 5,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-12-20T17:20:24.419479Z",
            "ended": "2020-12-20T17:23:50.126210Z",
            "start_waiting": "2020-12-20T17:20:24.311711Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 68337,
            "name": "2nd 25 kyu Tournament",
            "director": {
                "id": 839136,
                "username": "Soccer is awesome",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/48e6240dacac17c93414108e4283e0b2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 891.2546598674192,
                        "deviation": 66.36813968008407,
                        "volatility": 0.06001779878165622
                    }
                },
                "ranking": 12.251719355114881,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun! if you have any questions, feel free to ask me.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 526080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 518400,
                "initial_time": 691200,
                "max_time": 691200
            },
            "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": 3695,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-28T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 5,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-28T18:00:56.333447Z",
            "ended": "2020-11-29T14:16:21.803889Z",
            "start_waiting": "2020-11-28T18:00:56.188209Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 1012,
            "name": "Ronnie_007's mini-tournament",
            "director": {
                "id": 26869,
                "username": "Ronnie_007",
                "country": "aq",
                "icon": "https://secure.gravatar.com/avatar/4f548b8c3dc6b363c01187faec13c5a2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1379.3411322115244,
                        "deviation": 67.29094359021151,
                        "volatility": 0.05999829532402111
                    }
                },
                "ranking": 22.36204254997949,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 1209600,
                "max_time": 2592000,
                "time_increment": 259200
            },
            "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": 5,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-08-11T12:39:08Z",
            "ended": "2010-08-11T10:39:08Z",
            "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": 59505,
            "name": "25k tournament",
            "director": {
                "id": 760687,
                "username": "HHG",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/94b05df11403a71a7a364ac616a2b643?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1358.7847135068978,
                        "deviation": 64.1188301435753,
                        "volatility": 0.0601574746002211
                    }
                },
                "ranking": 22.014439802187283,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for 25k beginners; I will watch and review the games",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5144,
                "name": "Go players",
                "summary": "For all go players - feel free to join!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 228,
                "icon": "https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-24T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 5,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-24T16:00:20.863061Z",
            "ended": "2020-05-23T14:28:12.715490Z",
            "start_waiting": "2020-04-24T16:00:20.291137Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 3039,
            "name": "13x13 _ 25k-30k _ 30min + 5min",
            "director": {
                "id": 45391,
                "username": "cgdsblc",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/3c2ac8a17482a8fd41651416673f9510-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1338.486918243148,
                        "deviation": 83.63288270699613,
                        "volatility": 0.060004587595135626
                    }
                },
                "ranking": 21.66601154216749,
                "professional": false,
                "ui_class": ""
            },
            "description": "13x13 _ 25k-30k _ 30min + 5min",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 311,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 1020,
                "max_time": 3600,
                "time_increment": 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": 18144,
                "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": 5,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-08-13T18:14:49.384173Z",
            "ended": "2014-08-13T19:14:03.965582Z",
            "start_waiting": "2014-08-13T18:14:48.966345Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2727,
            "name": "GO Beginners",
            "director": {
                "id": 57116,
                "username": "shaolin",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/a01b0e61e9d22b6ae5c71c8b71c34e37?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 946.1847615199749,
                        "deviation": 171.664689168067,
                        "volatility": 0.059996756672184307
                    }
                },
                "ranking": 13.636266636999832,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "30 - 25 k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "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": 18144,
                "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": 5,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-12-24T08:36:06.527294Z",
            "ended": "2014-02-28T02:03:00.079385Z",
            "start_waiting": "2013-12-24T08:36:05.818884Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2735,
            "name": "Little GO",
            "director": {
                "id": 50597,
                "username": "corixan",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c5dae9d0a5a7d03446be9daa3e394b67?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1420.9863785075486,
                        "deviation": 64.45929052333585,
                        "volatility": 0.06001017537534425
                    }
                },
                "ranking": 23.05064667296717,
                "professional": false,
                "ui_class": ""
            },
            "description": "A little tournament for practice.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 86400
            },
            "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": 18144,
                "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": 5,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-12-28T10:08:10.626842Z",
            "ended": "2014-01-03T12:13:42.801670Z",
            "start_waiting": "2013-12-28T10:08:10.157013Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 59285,
            "name": "1234567890123456789012345678901234567890123456789012345678901234567890",
            "director": {
                "id": 748237,
                "username": "PAPA LOUIE",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5ca63bebc1e9733a922cf80a18e54a3a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 547.3072455519224,
                        "deviation": 78.58011345147807,
                        "volatility": 0.059984484173782465
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "ettetetetetettetetettetetet",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "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": 5329,
                "name": "25-25ks",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-18T23:50:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 5,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-19T10:54:32.879046Z",
            "ended": "2020-07-18T18:48:45.439659Z",
            "start_waiting": "2020-04-19T10:54:32.501086Z",
            "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": 68912,
            "name": "6th 25 kyu tournament",
            "director": {
                "id": 839136,
                "username": "Soccer is awesome",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/48e6240dacac17c93414108e4283e0b2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 891.2546598674192,
                        "deviation": 66.36813968008407,
                        "volatility": 0.06001779878165622
                    }
                },
                "ranking": 12.251719355114881,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "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": 3695,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-13T14:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 5,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-13T14:00:56.020469Z",
            "ended": "2020-12-13T14:15:26.460516Z",
            "start_waiting": "2020-12-13T14:00:55.976629Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": true
        }
    ]
}