List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-players_start&page=5988
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59883,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-players_start&page=5989",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-players_start&page=5987",
    "results": [
        {
            "id": 85807,
            "name": "test for alvin",
            "director": {
                "id": 558734,
                "username": "Rock_wu",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/91b8924879ec8e6d008d5860f7bd24b9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1217.2994985881783,
                        "deviation": 140.21487980079888,
                        "volatility": 0.059990052906017666
                    }
                },
                "ranking": 19.468962390523753,
                "professional": false,
                "ui_class": ""
            },
            "description": "afal hha a hksf",
            "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": true,
            "group": {
                "id": 10786,
                "name": "空中教室围棋班",
                "summary": "G3-G12零基础到3级的学生\n\n\n\n",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 24,
                "icon": "https://user-uploads.online-go.com/853d070c2d98ea9872c521c37780030b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-02-06T19:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-02-06T19:00:32.225508Z",
            "ended": "2022-02-06T19:17:16.510567Z",
            "start_waiting": "2022-02-06T19:00:32.165184Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/853d070c2d98ea9872c521c37780030b-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 83159,
            "name": "19x19 swiss tournament 12/01/2021 5:00 PM",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1274.6513862158752,
                        "deviation": 65.37626830930803,
                        "volatility": 0.06010299986513658
                    }
                },
                "ranking": 20.534738366137827,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 40,
                "periods": 3
            },
            "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": 18003,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-01T04:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-01T04:00:12.639648Z",
            "ended": "2021-12-01T04:00:12.627502Z",
            "start_waiting": "2021-12-01T04:00:12.586751Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 42362,
            "name": "Clapped",
            "director": {
                "id": 585040,
                "username": "tobynicholls.tn",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/3320f010bf0e9856b6bf8d3b8c2aef3d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1337.6891060937023,
                        "deviation": 290.31896371798047,
                        "volatility": 0.05999967537233814
                    }
                },
                "ranking": 21.652208749198074,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Clapped",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 113280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 2419200,
                "max_time": 2419200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3032,
                "name": "tobyniks",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-10-31T18:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-10-31T18:00:28.335543Z",
            "ended": "2018-10-31T18:00:28.243863Z",
            "start_waiting": "2018-10-31T18:00:28.106227Z",
            "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": 83116,
            "name": "live swiss tournament 11/30/2021 3:00 PM",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1274.6513862158752,
                        "deviation": 65.37626830930803,
                        "volatility": 0.06010299986513658
                    }
                },
                "ranking": 20.534738366137827,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "automatic sitewide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 9,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 9,
                "periods": 5
            },
            "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": 18003,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-30T02:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 28,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-30T02:00:06.974655Z",
            "ended": "2021-11-30T02:11:14.894168Z",
            "start_waiting": "2021-11-30T02:00:06.904263Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 115184,
            "name": "GOGOGO",
            "director": {
                "id": 1548989,
                "username": "deleted-e896bd40-c6d7-4837-a20e-d24042dc3694",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/121ffb4170ef13cb3f381b84acdc84f5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1577.3023482002736,
                        "deviation": 179.93762959852722,
                        "volatility": 0.0600043761080307
                    }
                },
                "ranking": 25.466690636338747,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "GOGOGO",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 60
            },
            "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": 18003,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-20T12:33:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 29,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-20T12:33:23.289072Z",
            "ended": "2024-04-20T12:33:23.257709Z",
            "start_waiting": "2024-04-20T12:33:23.195164Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 38601,
            "name": "retest",
            "director": {
                "id": 48251,
                "username": "Mitsunari",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1592.0266220351723,
                        "deviation": 64.7738023267211,
                        "volatility": 0.06031436372122342
                    }
                },
                "ranking": 25.681795723214673,
                "professional": false,
                "ui_class": ""
            },
            "description": "retest",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88320,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 526,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-06-28T22:00:00Z",
            "players_start": -1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-06-28T22:00:22.344661Z",
            "ended": "2019-02-12T20:14:54.788207Z",
            "start_waiting": "2018-06-28T22:00:21.761287Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 57133,
            "name": "A Tournament",
            "director": {
                "id": 735304,
                "username": "Oceanboy98",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/408a0d1ff0ba5bb121b89a0745b11487?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 810.7849333855323,
                        "deviation": 100.95612014770612,
                        "volatility": 0.060001909536257995
                    }
                },
                "ranking": 10.061095781794211,
                "professional": false,
                "ui_class": ""
            },
            "description": "Join! It's open!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4339,
                "name": "The Animals Group",
                "summary": "Animals lovers group",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/28bf885f122f2eabb7dbf17af125faab-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-04T06:00:00Z",
            "players_start": -1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-04T06:00:06.387546Z",
            "ended": "2020-03-04T06:11:58.637971Z",
            "start_waiting": "2020-03-04T06:00:06.359378Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/28bf885f122f2eabb7dbf17af125faab-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 59487,
            "name": "test tourney 2",
            "director": {
                "id": 444278,
                "username": "Haze with a Z",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/02656380a3a787e02316603bdfc6be88-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1029.8388188079111,
                        "deviation": 67.94999787085683,
                        "volatility": 0.060040733701657904
                    }
                },
                "ranking": 15.597528253196192,
                "professional": false,
                "ui_class": ""
            },
            "description": "test tourney",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "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": 5391,
                "name": "Sup People",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-23T05:44:00Z",
            "players_start": -4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-04-23T05:44:51.360762Z",
            "ended": "2020-04-23T05:44:51.447912Z",
            "start_waiting": "2020-04-23T05:44:51.312144Z",
            "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": 90297,
            "name": "8989898",
            "director": {
                "id": 1082106,
                "username": "rayman2012",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/ad418949b149ab2b282f6fb646e761c8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1182.1477900994553,
                        "deviation": 63.73438771925608,
                        "volatility": 0.06005634213728667
                    }
                },
                "ranking": 18.790622608341152,
                "professional": false,
                "ui_class": ""
            },
            "description": "8989898",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": true,
            "group": {
                "id": 11766,
                "name": "0000002",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "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": "2022-05-21T11:28:00Z",
            "players_start": -5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-05-21T11:28:54.335468Z",
            "ended": "2022-05-21T11:28:54.317469Z",
            "start_waiting": "2022-05-21T11:28:54.242231Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 123160,
            "name": "Fun tournament",
            "director": {
                "id": 1053363,
                "username": "Dean_Huawei",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/8ba2f57b818d3e60115468503df064a6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 755.1535669003812,
                        "deviation": 66.541419992615,
                        "volatility": 0.060035846864767366
                    }
                },
                "ranking": 8.415554344254035,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 432000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11147,
                "name": "tetris go (match every stones) :D",
                "summary": "play go and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-13T08:00:00Z",
            "players_start": -11,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-13T08:00:53.794938Z",
            "ended": "2025-08-20T00:27:32.708742Z",
            "start_waiting": "2024-12-13T08:00:53.699079Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-15.png",
            "player_count": 6,
            "ranked": true
        }
    ]
}