List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=445
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59162,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=446",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=444",
    "results": [
        {
            "id": 674,
            "name": "Spiny flower bends in the wind.",
            "director": {
                "id": 20675,
                "username": "RaikB",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1780.665751010124,
                        "deviation": 65.40966971956041,
                        "volatility": 0.0596596409427389
                    }
                },
                "ranking": 28.274121197571755,
                "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": 383,
                "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": 22,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-01-21T12:33:19Z",
            "ended": "2009-01-21T11:33:19Z",
            "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": 35320,
            "name": "Tournament 44",
            "director": {
                "id": 12573,
                "username": "Misawa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 977.5796256115817,
                        "deviation": 69.02183474866371,
                        "volatility": 0.05986671976150141
                    }
                },
                "ranking": 14.391926363316212,
                "professional": false,
                "ui_class": ""
            },
            "description": "Equinox handicap tournament time! Open to all ranks, but with a handicap. Using strength pairing so hopefully that makes the handicaps less important. Good luck everyone!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 432000,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 591,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-21T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-03-21T19:01:03.334224Z",
            "ended": "2019-09-21T01:25:03.075092Z",
            "start_waiting": "2018-03-21T19:00:45.456567Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 37,
            "ranked": true
        },
        {
            "id": 673,
            "name": "marjanna's mini-tournament",
            "director": {
                "id": 24044,
                "username": "deleted-fa431bc3-5608-482a-9a81-2ede9096adcc",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/870ee330d2a4e96084d84f846d18e497-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1307.5090401004124,
                        "deviation": 62.502290577993485,
                        "volatility": 0.058341950747726856
                    }
                },
                "ranking": 21.12393161634429,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 383,
                "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": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-12-24T17:14:02Z",
            "ended": "2008-12-24T16:14:02Z",
            "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": 672,
            "name": "Foxiyama's mini-tournament",
            "director": {
                "id": 3320,
                "username": "Foxiyama",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/57a8d497b3e88bd21cdd563609e710f8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1622.334240994461,
                        "deviation": 67.00201131335707,
                        "volatility": 0.05981947814294727
                    }
                },
                "ranking": 26.118362867912534,
                "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": 383,
                "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": 12,
            "max_ranking": 24,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-03-14T10:34:20Z",
            "ended": "2009-03-14T09:34:20Z",
            "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": 671,
            "name": "Fireworks!",
            "director": {
                "id": 23608,
                "username": "mould",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/9596c1b8d33b51488c3d4b64608574a1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.8067656215044,
                        "deviation": 66.12670090123795,
                        "volatility": 0.05988500546120491
                    }
                },
                "ranking": 24.93977209521312,
                "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": 383,
                "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": 8,
            "max_ranking": 18,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-01-26T14:28:59Z",
            "ended": "2009-01-26T13:28:59Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 107456,
            "name": "Pokemon Go competition cool",
            "director": {
                "id": 1236996,
                "username": "MingLau",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1146.2730126750039,
                        "deviation": 69.62267423293558,
                        "volatility": 0.06008661084861132
                    }
                },
                "ranking": 18.077206182709606,
                "professional": false,
                "ui_class": ""
            },
            "description": "It can have 2-100 people and for 25-11 levels.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6427,
                "name": "Pokémon Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 52,
                "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-14T02:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-14T02:00:56.536451Z",
            "ended": "2023-09-14T02:28:21.407071Z",
            "start_waiting": "2023-09-14T02:00:56.426715Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 105917,
            "name": "9*9Blitz game",
            "director": {
                "id": 1343476,
                "username": "PR Liao",
                "country": "tw",
                "icon": "https://secure.gravatar.com/avatar/a3d5f8c8393ae09c58b1d67262e6406c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1149.940584407631,
                        "deviation": 64.13170688794865,
                        "volatility": 0.060083966440371714
                    }
                },
                "ranking": 18.15115780281928,
                "professional": false,
                "ui_class": ""
            },
            "description": "A game",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "blitz",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 30,
                "max_time": 70
            },
            "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": 17870,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-30T12:25:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-16T12:47:16.599552Z",
            "ended": "2025-03-16T12:54:06.847901Z",
            "start_waiting": "2025-03-16T12:47:16.550948Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 52109,
            "name": "Lords Of The Red Stone 2019",
            "director": {
                "id": 87790,
                "username": "WiseBear",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1104.0021061102002,
                        "deviation": 62.08308547890164,
                        "volatility": 0.06028822213904829
                    }
                },
                "ranking": 17.207368885691388,
                "professional": false,
                "ui_class": ""
            },
            "description": "Three of the best of this tournament will receive the honorary titles of the Lords Of The Red Stone and will take their places in the Hall Of Lords. In the name of the Game Of Stones, may this be done!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3516,
                "name": "Game Of Stones",
                "summary": "This group is no longer operated.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 143,
                "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-10-17T02:00:00Z",
            "players_start": 9,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-10-17T02:00:27.815024Z",
            "ended": "2021-02-22T08:28:20.729529Z",
            "start_waiting": "2019-10-17T02:00:25.091897Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png",
            "player_count": 28,
            "ranked": true
        },
        {
            "id": 3082,
            "name": "Everyone Welcomed! (until full) 17k and unders!!!",
            "director": {
                "id": 67357,
                "username": "Lein@d Why?",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/3a7c340bccabcef9661d2dc18ff12905-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1206.3338535720202,
                        "deviation": 62.726993542191146,
                        "volatility": 0.06012340100410309
                    }
                },
                "ranking": 19.25947821741587,
                "professional": false,
                "ui_class": ""
            },
            "description": "why are we all still in this group?? hahaha\na fraction of us are already stronger than the administrators! In fact I challenge any one of them in a 19x19 corro ( though I'll probably lose) anyway 20 spots to begin with! have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 173000,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 18000,
                "max_time": 1036800,
                "time_increment": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 222,
                "name": "Low-Rating 30k's",
                "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 279,
                "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.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": 13,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-11-11T17:50:32.185217Z",
            "ended": "2015-05-12T13:45:30.389297Z",
            "start_waiting": "2014-11-11T17:50:31.727795Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 670,
            "name": "gilback's mini-tournament",
            "director": {
                "id": 21427,
                "username": "gilback",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/cbce1b06724303d2fe396dd008429442-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1143.9630717485456,
                        "deviation": 63.98891633826869,
                        "volatility": 0.05998475399406151
                    }
                },
                "ranking": 18.030507808734708,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": false,
            "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": 383,
                "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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-12-29T15:02:12Z",
            "ended": "2008-12-29T14:02:12Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}