List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5777
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60791,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5778",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5776",
    "results": [
        {
            "id": 90806,
            "name": "-00000000000000",
            "director": {
                "id": 1162643,
                "username": "An apple",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b4ee11f4b10a26723d99968a0f854e2f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 866.2790191963267,
                        "deviation": 93.83521987052758,
                        "volatility": 0.059971671887521734
                    }
                },
                "ranking": 11.593723422409594,
                "professional": false,
                "ui_class": ""
            },
            "description": "0000000000000",
            "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": false,
            "group": {
                "id": 11766,
                "name": "0000002",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-06-03T10:03:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-06-14T04:35:31.810044Z",
            "ended": "2022-06-14T05:36:26.809866Z",
            "start_waiting": "2022-06-14T04:35:31.737560Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 88182,
            "name": "123:)",
            "director": {
                "id": 1139274,
                "username": "yoyoplayinglala",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/52924593d995060a5ddf18e444f0f192?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1027.6917334649636,
                        "deviation": 165.96923438097087,
                        "volatility": 0.060002941017506
                    }
                },
                "ranking": 15.549213010755338,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "123:)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11496,
                "name": "Eevees",
                "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": true,
            "time_start": "2022-04-03T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-04-03T11:12:54.083605Z",
            "ended": "2022-04-03T11:13:05.255711Z",
            "start_waiting": "2022-04-03T11:12:54.047335Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 74969,
            "name": "23 Lines: Unusual Board Sizes Series",
            "director": {
                "id": 109488,
                "username": "DVbS78rkR7NVe",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2026.1476299885521,
                        "deviation": 66.05609734432652,
                        "volatility": 0.059874270189468615
                    }
                },
                "ranking": 31.26391960044579,
                "professional": false,
                "ui_class": ""
            },
            "description": "Join the group for more cat tournaments ^__^",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": false,
            "group": {
                "id": 6124,
                "name": "Leopard's Resting Tree",
                "summary": "A little corner for cat tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 313,
                "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-24T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-05-24T09:00:43.225006Z",
            "ended": "2024-06-06T17:49:12.188947Z",
            "start_waiting": "2021-05-24T09:00:42.309092Z",
            "board_size": 23,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png",
            "player_count": 48,
            "ranked": true
        },
        {
            "id": 112520,
            "name": "Round 3: Paul vs Lohit",
            "director": {
                "id": 1460501,
                "username": "caitnichols",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2d45010ae3a796549255f365b1a4bb11?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Round 3: Paul vs Lohit",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 34,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13777,
                "name": "CSL Go 2",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-08T19:03:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2024-02-08T19:03:38.951941Z",
            "ended": "2024-02-08T19:15:21.112229Z",
            "start_waiting": "2024-02-08T19:03:38.899540Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 60491,
            "name": "naciouru",
            "director": {
                "id": 780211,
                "username": "gc23",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b96930271fac3472aa84301d7a995de9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1140.3344896918138,
                        "deviation": 99.69530552664665,
                        "volatility": 0.05999952329547574
                    }
                },
                "ranking": 17.956960695884636,
                "professional": false,
                "ui_class": ""
            },
            "description": "naciouru",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 100,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 60,
                "initial_time": 3600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5706,
                "name": "cndf2020",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-14T03:28:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-14T03:30:59.422444Z",
            "ended": "2020-05-14T03:32:09.108547Z",
            "start_waiting": "2020-05-14T03:30:58.977725Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 90754,
            "name": "Civil War 1",
            "director": {
                "id": 844420,
                "username": "nblong93",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/3ed0f3eb4340f9be7a002a539efdfff3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1793.9229525703513,
                        "deviation": 60.908539061664385,
                        "volatility": 0.05981734301623304
                    }
                },
                "ranking": 28.44583640662505,
                "professional": false,
                "ui_class": ""
            },
            "description": "Giải đấu 9x9 nội bộ\nĐánh trường kỳ\nGiải nhất: 1 trà sữa\nGiải nhì: 1 trà chanh\nGiải 3: 1 vé gửi xe",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "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": false,
            "group": {
                "id": 11774,
                "name": "Sơ cấp 6",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-03T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-06-03T05:18:49.507287Z",
            "ended": "2022-06-03T13:26:36.247838Z",
            "start_waiting": "2022-06-03T05:18:49.443522Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 134804,
            "name": "9x9 Go Tournament",
            "director": {
                "id": 1907081,
                "username": "flyingpenguin.",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/a0b0615709f1588b884791dad17af978-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 651.2157746975336,
                        "deviation": 62.97030970268543,
                        "volatility": 0.059950918902653944
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "good luck!   :)",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 60,
                "max_time": 300
            },
            "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": 18120,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-29T20:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2026-01-11T14:19:48.043676Z",
            "ended": "2026-01-11T14:21:53.202065Z",
            "start_waiting": "2026-01-11T14:19:47.992294Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 58832,
            "name": "Oster-Go-Treffen: Ostersonntag-Nachmittag",
            "director": {
                "id": 739466,
                "username": "Wilhelm_BadenGo",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f1ae93890215cad17648917be321fc97-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1014.0102167413495,
                        "deviation": 202.52754676936783,
                        "volatility": 0.060008970451992584
                    }
                },
                "ranking": 15.238950434961222,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Willkommen zum Extra-Turnier am Sonntag-Nachmittag\n\n- da die Vormittagsrunde 2 (von 3) um 13:30 noch läuft - verschiebt sich das Turnier hier.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 15,
                "initial_time": 1500,
                "max_time": 2400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4816,
                "name": "Baden-Go-Treffen Karlsruhe",
                "summary": "Gruppe für offene Online-Turniere des Badischen Go-Vereins",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/87e12d57033a4663cc2a5dd4768d1aa6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-12T13:30:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-04-12T13:30:09.792868Z",
            "ended": "2020-04-12T16:46:36.200348Z",
            "start_waiting": "2020-04-12T13:30:09.326678Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/87e12d57033a4663cc2a5dd4768d1aa6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 45702,
            "name": "ქართველების ტურნირი",
            "director": {
                "id": 21742,
                "username": "დათო",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2188.217274395995,
                        "deviation": 97.40479902700517,
                        "volatility": 0.06013689069472163
                    }
                },
                "ranking": 33.04533320130458,
                "professional": false,
                "ui_class": ""
            },
            "description": "ორ წაგებაზე გავარდნა",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 60,
            "time_control_parameters": {
                "period_time": 60,
                "main_time": 60,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 270,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-02-16T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-02-16T18:00:11.365146Z",
            "ended": "2019-02-16T18:26:10.903059Z",
            "start_waiting": "2019-02-16T18:00:10.926047Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 75470,
            "name": "9x9OGS",
            "director": {
                "id": 929370,
                "username": "mike1004",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1ae5733ce3cf208417b07a7dad51c626-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1433.29273319705,
                        "deviation": 68.81068586915491,
                        "volatility": 0.05989731324002006
                    }
                },
                "ranking": 23.250272473569712,
                "professional": false,
                "ui_class": ""
            },
            "description": "Come and play with me.",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1800,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-23T04:47:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-05-23T04:47:28.265112Z",
            "ended": "2021-05-23T05:40:01.972421Z",
            "start_waiting": "2021-05-23T04:47:28.142819Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}