List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=41
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59398,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=42",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=40",
    "results": [
        {
            "id": 67174,
            "name": "hot cocoa",
            "director": {
                "id": 769861,
                "username": "rainncat",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.0308630931373,
                        "deviation": 65.62894696966373,
                        "volatility": 0.060026784983209604
                    }
                },
                "ranking": 14.331490463627786,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 262080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 259200,
                "initial_time": 259200,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6414,
                "name": "Hot Cocoa",
                "summary": "\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-01T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-04T19:51:20.433768Z",
            "ended": "2021-04-27T03:03:50.901604Z",
            "start_waiting": "2020-11-04T19:51:20.148011Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 66493,
            "name": "tournament",
            "director": {
                "id": 769861,
                "username": "rainncat",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.0308630931373,
                        "deviation": 65.62894696966373,
                        "volatility": 0.060026784983209604
                    }
                },
                "ranking": 14.331490463627786,
                "professional": false,
                "ui_class": ""
            },
            "description": "have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 262080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 259200,
                "initial_time": 259200,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6414,
                "name": "Hot Cocoa",
                "summary": "\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-12T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-12T20:33:18.389534Z",
            "ended": "2021-02-20T11:49:47.554818Z",
            "start_waiting": "2020-10-12T20:33:18.169938Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 19751,
            "name": "basic tournament",
            "director": {
                "id": 347221,
                "username": "Alectheawesome",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/8cc82c3bd72324f5d5a9593a44dc37c8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 990.4079179848546,
                        "deviation": 84.17537818788169,
                        "volatility": 0.06001435971211636
                    }
                },
                "ranking": 14.693736378050405,
                "professional": false,
                "ui_class": ""
            },
            "description": "easy tourny",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 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": 3654,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-08-14T18:07:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2016-08-27T21:39:02.985597Z",
            "ended": "2016-10-03T19:05:45.063151Z",
            "start_waiting": "2016-08-27T21:39:02.595807Z",
            "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": 66009,
            "name": "Katsushika",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 790.2994072178445,
                        "deviation": 64.66815139504368,
                        "volatility": 0.05991724621983771
                    }
                },
                "ranking": 9.46866501470618,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 119,
                "name": "TOKYO GO!",
                "summary": "Tokyo Go Players Meet Together!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 44,
                "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-29T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-29T13:00:21.848035Z",
            "ended": "2020-11-03T18:23:15.030398Z",
            "start_waiting": "2020-09-29T13:00:21.296199Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 58267,
            "name": "Beginners 9x9 Knockout Tournament",
            "director": {
                "id": 750750,
                "username": "begingo1000",
                "country": "ez",
                "icon": "https://secure.gravatar.com/avatar/d705f1ba732fe17b3a05d20723059c83?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1317.1885810619165,
                        "deviation": 64.49012040956917,
                        "volatility": 0.06003208049018038
                    }
                },
                "ranking": 21.294680724602816,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is a 9x9 Knockout Tournament for beginners.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4957,
                "name": "Beginners 9x9",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 32,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-03T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-03T13:00:54.402889Z",
            "ended": "2020-04-28T22:00:55.247410Z",
            "start_waiting": "2020-04-03T13:00:52.287166Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 76104,
            "name": "The strongest newcomer in the World (25k - 20k)",
            "director": {
                "id": 721084,
                "username": "Lexxgo",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/eadd3bb95af972db608b10e308217d0d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1702.0164192076516,
                        "deviation": 66.54857732174423,
                        "volatility": 0.059972624948633195
                    }
                },
                "ranking": 27.22835155459872,
                "professional": false,
                "ui_class": ""
            },
            "description": "The strongest newcomer in the World (25k - 20k)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9239,
                "name": "World tournaments",
                "summary": "World tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-06-15T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-06-15T08:00:06.340373Z",
            "ended": "2021-06-15T08:01:43.883664Z",
            "start_waiting": "2021-06-15T08:00:06.252758Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 45141,
            "name": "DDK.NL Go Club - February LDDK Swiss",
            "director": {
                "id": 463810,
                "username": "SuzieKyu",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1171.4995125731932,
                        "deviation": 63.025646037873635,
                        "volatility": 0.06000597450469722
                    }
                },
                "ranking": 18.5811525604583,
                "professional": false,
                "ui_class": ""
            },
            "description": "Monthly Swiss tournament for low ddk players.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2979,
                "name": "Internatio.NL Go Club",
                "summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 64,
                "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-02-23T11:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-02-24T21:33:09.440681Z",
            "ended": "2019-04-04T17:37:22.031152Z",
            "start_waiting": "2019-02-24T21:33:09.003316Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 43708,
            "name": "simple",
            "director": {
                "id": 596800,
                "username": "chikai 9522",
                "country": "it",
                "icon": "https://secure.gravatar.com/avatar/888b9e2fa0e60b5837a576b41a02568d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.7501331836572,
                        "deviation": 76.77294942654319,
                        "volatility": 0.0600231944211688
                    }
                },
                "ranking": 14.348561681136944,
                "professional": false,
                "ui_class": ""
            },
            "description": "for beginner",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 6720,
            "time_control_parameters": {
                "total_time": 604800,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 710,
                "name": "Italian Group",
                "summary": "Questo รจ un gruppo creato per raccogliere tutti i giocatori italiani ๐Ÿ˜œ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 275,
                "icon": "https://user-uploads.online-go.com/b25a2f6a1c298402adb7a561be5719ff-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-12-20T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-20T02:00:12.763916Z",
            "ended": "2019-01-06T10:40:31.727226Z",
            "start_waiting": "2018-12-20T02:00:11.061488Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b25a2f6a1c298402adb7a561be5719ff-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 134851,
            "name": "Lets Go 123",
            "director": {
                "id": 1646800,
                "username": "Art_Go",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d09843def420533835408ba0e61d9430?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1388.2155831565826,
                        "deviation": 61.720186774149184,
                        "volatility": 0.06001150475404504
                    }
                },
                "ranking": 22.5105086987562,
                "professional": false,
                "ui_class": ""
            },
            "description": "Lets Go 123",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": 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": 8868,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-06T07:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-06T07:00:30.126923Z",
            "ended": "2026-02-26T18:42:40.682339Z",
            "start_waiting": "2025-12-06T07:00:30.023333Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 47593,
            "name": "vnthrfkskjsoksdkjroe",
            "director": {
                "id": 605157,
                "username": "Fire star",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/d7e9e5f1ee4446a210616ebf38a86275-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1047.4355412738178,
                        "deviation": 63.98618735861515,
                        "volatility": 0.06003629386112332
                    }
                },
                "ranking": 15.989747863023222,
                "professional": false,
                "ui_class": ""
            },
            "description": "tournoi",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 3354,
                "name": "go player",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-18T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-05-03T10:54:48.777501Z",
            "ended": "2019-09-20T09:31:17.859215Z",
            "start_waiting": "2019-05-03T10:54:48.292506Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}