List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5335
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58958,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5336",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5334",
    "results": [
        {
            "id": 86930,
            "name": "Wabern",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 788.4782417507043,
                        "deviation": 64.76496024965462,
                        "volatility": 0.0599203180748189
                    }
                },
                "ranking": 9.415256608156199,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 23,
                "name": "German Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 357,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-08T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 13,
            "max_ranking": 17,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-03-06T14:39:22.423085Z",
            "ended": "2022-03-18T09:50:02.730599Z",
            "start_waiting": "2022-03-06T14:39:22.350267Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 120111,
            "name": "Kranj 85",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 788.4782417507043,
                        "deviation": 64.76496024965462,
                        "volatility": 0.0599203180748189
                    }
                },
                "ranking": 9.415256608156199,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 38051,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 36000,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-16T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 6,
            "max_ranking": 13,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-16T15:00:55.919028Z",
            "ended": "2025-01-20T23:21:54.603819Z",
            "start_waiting": "2024-09-16T15:00:55.816434Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 104396,
            "name": "二次的机会 第六季",
            "director": {
                "id": 1066263,
                "username": "Wc100",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/c5644483e9b766f9f7cff8b48c81d6f2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 806.2653841176599,
                        "deviation": 74.38583798687353,
                        "volatility": 0.060015394449862446
                    }
                },
                "ranking": 9.931689990449012,
                "professional": false,
                "ui_class": ""
            },
            "description": "每月第一个星期天的比赛\nDOUBLE CHANCE S6",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10348,
                "name": "Wc111",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-02T07:00:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-07-02T07:00:57.194229Z",
            "ended": "2023-07-31T15:46:52.458146Z",
            "start_waiting": "2023-07-02T07:00:57.106791Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 37773,
            "name": "MMT June 2018",
            "director": {
                "id": 531817,
                "username": "Dimmook",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/4abb18ded69f9ce10f3fd2c216023a6e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1385.8093298626732,
                        "deviation": 103.07930445931714,
                        "volatility": 0.0600042730582976
                    }
                },
                "ranking": 22.47034699908022,
                "professional": false,
                "ui_class": ""
            },
            "description": "Metal Monkey Temple regular tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2477,
                "name": "Metal Monkey Temple",
                "summary": "Sharing experience is our main goal.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/23da3f4f0de7781af644302409de351b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-06-30T07:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-06-30T07:00:24.806650Z",
            "ended": "2018-08-29T11:56:23.917177Z",
            "start_waiting": "2018-06-30T07:00:24.689729Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/23da3f4f0de7781af644302409de351b-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 96674,
            "name": "Pokemon Battle 🏆🗡🏹",
            "director": {
                "id": 1119615,
                "username": "RainZhang",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/0bbeec146196b64049475b7855e2ba5a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 919.5598350480423,
                        "deviation": 65.58704024452855,
                        "volatility": 0.060022263508483394
                    }
                },
                "ranking": 12.975502142256941,
                "professional": false,
                "ui_class": ""
            },
            "description": "Blitz tournament 9×9",
            "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": 12512,
                "name": "Pokemon OGS",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/7e43fe80ff2817783716ee3a42041a31-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-11-11T19:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-12-06T00:17:57.511597Z",
            "ended": "2023-01-17T23:22:04.578522Z",
            "start_waiting": "2022-12-06T00:17:57.416209Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7e43fe80ff2817783716ee3a42041a31-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 94364,
            "name": "Praha 21",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 788.4782417507043,
                        "deviation": 64.76496024965462,
                        "volatility": 0.0599203180748189
                    }
                },
                "ranking": 9.415256608156199,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 31,
                "name": "Český pokoj",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-09-07T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-07T11:52:26.459884Z",
            "ended": "2022-10-02T09:51:54.793947Z",
            "start_waiting": "2022-09-07T11:52:25.966016Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 88971,
            "name": "турнир",
            "director": {
                "id": 1078801,
                "username": "ilja",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/c9d3e0d522170af6bee99b1e6c1abacf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1097.7565673847937,
                        "deviation": 67.44346346583147,
                        "volatility": 0.06013384674802564
                    }
                },
                "ranking": 17.07603332105516,
                "professional": false,
                "ui_class": ""
            },
            "description": "турнир",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 152,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 150,
                "initial_time": 180,
                "max_time": 720
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9,
                "name": "Русская группа",
                "summary": "Интересные, призовые турниры.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1950,
                "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-21T10:00:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-07-27T09:24:39.504375Z",
            "ended": "2022-07-27T09:42:51.121068Z",
            "start_waiting": "2022-07-27T09:24:39.443791Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 30368,
            "name": "神魔之塔 寒霜冰川 13x13 在水一方杯",
            "director": {
                "id": 458218,
                "username": "RBC_TOS",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/522ac3f49523eaad5569c610f87bd129-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1526.3586057701564,
                        "deviation": 77.70914081014699,
                        "volatility": 0.060037090428492534
                    }
                },
                "ranking": 24.706650421919313,
                "professional": false,
                "ui_class": ""
            },
            "description": "神魔之塔 寒霜冰川 13x13 在水一方杯",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1795,
                "name": "神棋之塔Tower of GO",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/bc5ad85082c161635e562186adaf1f19-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-09-18T15:52:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-09-18T15:52:20.027887Z",
            "ended": "2017-09-18T17:24:30.958935Z",
            "start_waiting": "2017-09-18T15:52:19.597018Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bc5ad85082c161635e562186adaf1f19-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 80746,
            "name": "Web烏鷺の会Monthly tournament喜楽",
            "director": {
                "id": 788184,
                "username": "f_uenoyama",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/acdee1cb9e308c99bb0cfbf83b3108ed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1892.7773709169683,
                        "deviation": 64.05048468550963,
                        "volatility": 0.06005544104158299
                    }
                },
                "ranking": 29.687612671177586,
                "professional": false,
                "ui_class": ""
            },
            "description": "新企画 月例13路盤大会です。\nご都合に合わせて、気楽にご参加下さい。\nコロナに負けず、楽しみましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 265920,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 259200,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5915,
                "name": "Web烏鷺の会",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-07T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-10-07T23:00:19.404372Z",
            "ended": "2021-10-16T13:30:02.229395Z",
            "start_waiting": "2021-10-07T23:00:19.120513Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 134840,
            "name": "Bot Battle 2025-11-28",
            "director": {
                "id": 229617,
                "username": "JohnnieDarko",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/5a73fbf39ace472753d06c86d492dc20-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1077.9113062112642,
                        "deviation": 63.87869894920042,
                        "volatility": 0.06001953976291438
                    }
                },
                "ranking": 16.653698144150766,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Oroton bot battle",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": true,
            "group": {
                "id": 15897,
                "name": "Oroton Bot",
                "summary": "Give feedback and get support on the Oroton bot(s).",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/67647bf5276bf38fbe3a1c6bf86e6f58-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-28T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-11-28T22:14:20.088916Z",
            "ended": "2025-11-28T22:27:04.682020Z",
            "start_waiting": "2025-11-28T22:14:20.008417Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/67647bf5276bf38fbe3a1c6bf86e6f58-15.png",
            "player_count": 3,
            "ranked": true
        }
    ]
}