List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5798
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60018,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5799",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5797",
    "results": [
        {
            "id": 744,
            "name": "Mellon's mini-tournament",
            "director": {
                "id": 15325,
                "username": "Mellon",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/17e78cb35d68bae404a809d65d5b6aa0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1926.4135742067801,
                        "deviation": 69.65093113873655,
                        "volatility": 0.06020779063835434
                    }
                },
                "ranking": 30.095394450752128,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "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": 9,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-02-24T20:44:00Z",
            "ended": "2009-02-24T19:44:00Z",
            "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": 3589,
            "name": "Reddit Round Robin #14 - Handicap - 20k - 11k",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1225.3097183465236,
                        "deviation": 63.16265289496393,
                        "volatility": 0.0595733871372196
                    }
                },
                "ranking": 19.620797772843037,
                "professional": false,
                "ui_class": ""
            },
            "description": "Round Robin, Handicap, Correspondence, 20k-11k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2286,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-01-05T17:17:00Z",
            "players_start": 8,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-01-05T17:17:13.524045Z",
            "ended": "2015-08-04T15:11:59.623009Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 1952,
            "name": "2nd sojiro's mini-tournament",
            "director": {
                "id": 26067,
                "username": "sojiro",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ae9e9f82694dd345a1b73959e5bff557?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.3706280112874,
                        "deviation": 65.6403172878186,
                        "volatility": 0.05995340979497268
                    }
                },
                "ranking": 26.55705553962402,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 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": 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": 7,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-03-14T16:29:41Z",
            "ended": "2013-03-14T15:29:41Z",
            "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": 105893,
            "name": "Comme il faut #05",
            "director": {
                "id": 1224784,
                "username": "deleted-8a6b2d14-d91b-4606-9de6-ae56bac9bb56",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/4f1b28979a22153f6fe69bb1490efbad-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 848.1503119998227,
                        "deviation": 63.285346813954284,
                        "volatility": 0.059946951695909155
                    }
                },
                "ranking": 11.10412002264507,
                "professional": false,
                "ui_class": ""
            },
            "description": ">>> Have fun playing with someone of similar rank, using handicap to equalize the difference! This one is 19x19.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13256,
                "name": "Comme il faut (fast correspondence) ",
                "summary": "fast correspondence, similar rank adversaries, with handicap",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/c2a5d1e14eac226d377f42bd1d458a63-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-14T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-14T02:00:55.734669Z",
            "ended": "2024-06-18T10:52:38.997706Z",
            "start_waiting": "2023-08-14T02:00:55.516545Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c2a5d1e14eac226d377f42bd1d458a63-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 407,
            "name": "Mumawsan Presents: The Bottom Feeder's Ball",
            "director": {
                "id": 18751,
                "username": "Mumawsan",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/39b7b19586c0fbb5cf7d994a4051368b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1524.6902069693224,
                        "deviation": 67.27409659338673,
                        "volatility": 0.05997688327282205
                    }
                },
                "ranking": 24.681332284806743,
                "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": 432000,
                "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": 0,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-01-10T03:55:00Z",
            "ended": "2008-03-01T11:36:00Z",
            "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": 118733,
            "name": "DDK Tournament Series #1 (Correspondence 19*19)",
            "director": {
                "id": 1583021,
                "username": "thebeautyofmath.kl.lac.2",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f4ceceed4b2a54a7bb4849c0bab231b1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 855.173663501654,
                        "deviation": 61.59451599382608,
                        "volatility": 0.060208973379485387
                    }
                },
                "ranking": 11.295030866451913,
                "professional": false,
                "ui_class": ""
            },
            "description": "DDK Tournament (Correspondence) - Double Elimination Game",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "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": 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": 3669,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-09-01T15:00:00Z",
            "players_start": 10,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-08-03T14:18:32.924532Z",
            "ended": "2025-03-01T08:11:23.936180Z",
            "start_waiting": "2024-08-03T14:18:32.797574Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 59565,
            "name": "Ples' join this tournament",
            "director": {
                "id": 743424,
                "username": "The best 31 kyu",
                "country": "003",
                "icon": "https://secure.gravatar.com/avatar/abff2c4c5a4e77fbacac885a97a20756?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1380.1285708607697,
                        "deviation": 62.80870091968557,
                        "volatility": 0.05994386514694468
                    }
                },
                "ranking": 22.375254657511984,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please join this tournament. Pleaseeeeeeeeeeeeee!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 14,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 360,
                "period_time": 10,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4796,
                "name": "The 10 dan pro",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-24T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-27T09:15:07.514721Z",
            "ended": "2020-04-27T09:27:45.792697Z",
            "start_waiting": "2020-04-27T09:15:06.859346Z",
            "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": 219,
            "name": "william7o20602's mini-tournament",
            "director": {
                "id": 8257,
                "username": "william7o20602",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f7cd4663e75add184a74316af1728239?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1448.2628531550708,
                        "deviation": 69.819532684174,
                        "volatility": 0.05996895383527234
                    }
                },
                "ranking": 23.490810186285696,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 345600,
                "max_time": 1209600,
                "time_increment": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 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": 2,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-04-18T02:48:00Z",
            "ended": "2007-12-28T12:17:00Z",
            "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": 2237,
            "name": "VipassanaMan's mini-tournament",
            "director": {
                "id": 42348,
                "username": "VipassanaMan",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/ccea5dbdaaccb856977c4bfe2cade7b1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.2924230042822,
                        "deviation": 65.64629499811377,
                        "volatility": 0.05997607167953027
                    }
                },
                "ranking": 25.42247188708251,
                "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": 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": 4,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-06-06T02:01:16Z",
            "ended": "2013-12-07T16:38:19.742159Z",
            "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": 694,
            "name": "Darkwraith MT #1",
            "director": {
                "id": 23072,
                "username": "Quindo",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/5dd6afc4e405a714bf95c4e3eba4c64e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1378.232644123022,
                        "deviation": 63.93239562491623,
                        "volatility": 0.06004644783458493
                    }
                },
                "ranking": 22.343430898787233,
                "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": 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": 0,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-03-19T06:18:08Z",
            "ended": "2009-03-19T05:18:08Z",
            "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
        }
    ]
}