List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5855
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60022,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5856",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5854",
    "results": [
        {
            "id": 64374,
            "name": "this one",
            "director": {
                "id": 618817,
                "username": "seowoo",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/be8bf568607c719ab945396de589c117?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1735.1134146788784,
                        "deviation": 289.7177918657447,
                        "volatility": 0.06001246400469732
                    }
                },
                "ranking": 27.674199785361104,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "erlhagekr",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6563,
                "name": "wlfhbawkfnakwf",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/f4e07c1612689536fedf8d140fcfa32a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-16T23:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-16T23:00:16.129832Z",
            "ended": "2020-08-16T23:07:50.719209Z",
            "start_waiting": "2020-08-16T23:00:15.758446Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f4e07c1612689536fedf8d140fcfa32a-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 78277,
            "name": "第1回老害トーナメント(13路)",
            "director": {
                "id": 856925,
                "username": "scarletmath",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/142302ef127ea9d8b5e62e0e8439b8fd?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1830.2750756498024,
                        "deviation": 61.635559153749135,
                        "volatility": 0.0599831889781684
                    }
                },
                "ranking": 28.91025908271748,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "老害の為の老害による老害選手権",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9796,
                "name": "九大囲碁部年忘れ碁会",
                "summary": "いご",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/4022a97083e4302332b454627aaf21f6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-01T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-08-01T09:35:54.532034Z",
            "ended": "2021-08-17T07:16:43.892072Z",
            "start_waiting": "2021-08-01T09:35:54.390526Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4022a97083e4302332b454627aaf21f6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 133516,
            "name": "JORNADA 10 DE ENTRENAMIENTO AVANZADO DE GO OTOÑO 2025",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1116.3894591373814,
                        "deviation": 60.59466797679924,
                        "volatility": 0.059732167326301724
                    }
                },
                "ranking": 17.465674855011894,
                "professional": false,
                "ui_class": ""
            },
            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 37,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14953,
                "name": "Kanik",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-19T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2025-10-19T00:35:46.186357Z",
            "ended": "2025-10-19T01:46:55.376138Z",
            "start_waiting": "2025-10-19T00:35:46.130649Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 24939,
            "name": "Lviv Go Club Tournament 001",
            "director": {
                "id": 79,
                "username": "oldyew",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1705.3371445600435,
                        "deviation": 62.790139205239456,
                        "volatility": 0.06003537827844153
                    }
                },
                "ranking": 27.273474442381108,
                "professional": false,
                "ui_class": ""
            },
            "description": "test tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 6720,
            "time_control_parameters": {
                "total_time": 604800,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": true
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1460,
                "name": "Lviv Club",
                "summary": "Lviv Go Players Group",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-02-23T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2017-02-23T11:02:33.375220Z",
            "ended": "2017-03-06T15:36:14.557576Z",
            "start_waiting": "2017-02-23T11:02:32.688671Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 58312,
            "name": "TURNUVA",
            "director": {
                "id": 693929,
                "username": "yildirim",
                "country": "tr",
                "icon": "https://secure.gravatar.com/avatar/17c3de03311a9c01c93ba3f451b3eb77?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1147.8315497929327,
                        "deviation": 61.72569746637121,
                        "volatility": 0.059978265826549214
                    }
                },
                "ranking": 18.10866084299068,
                "professional": false,
                "ui_class": ""
            },
            "description": "İyi oyunlar.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4167,
                "name": "RİGOKU",
                "summary": "Rize Go Kulübü",
                "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": "2020-04-01T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-01T18:00:04.883351Z",
            "ended": "2020-04-04T12:03:52.340526Z",
            "start_waiting": "2020-04-01T18:00:04.517237Z",
            "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": 131412,
            "name": "End of August Cup",
            "director": {
                "id": 1764999,
                "username": "Iole",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/192acdaf3c828eb96a183f483e860cef-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1512.149595050098,
                        "deviation": 65.93400029274257,
                        "volatility": 0.05997433479158144
                    }
                },
                "ranking": 24.490135623082892,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87084,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 86400,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 93,
                "name": "GO Italia",
                "summary": "Il gruppo per i giocatori di GO italiani.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 203,
                "icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-08-24T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 20,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-08-24T15:00:29.153045Z",
            "ended": "2025-09-10T16:47:09.080940Z",
            "start_waiting": "2025-08-24T15:00:29.087155Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 101570,
            "name": "HAPPY GO #16 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2054.1002399397503,
                        "deviation": 70.15551552374649,
                        "volatility": 0.05979157549607755
                    }
                },
                "ranking": 31.58111260666615,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-02T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-02T04:00:34.142243Z",
            "ended": "2023-06-08T16:58:17.749342Z",
            "start_waiting": "2023-04-02T04:00:34.023037Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 77390,
            "name": "SCPS4D1",
            "director": {
                "id": 1023102,
                "username": "scps00",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6d44cde2d6b20aba8e2a8b5951f5cdfd?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1304.2918227457508,
                        "deviation": 240.12621952785298,
                        "volatility": 0.05999840599104936
                    }
                },
                "ranking": 21.066899228852943,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "hello",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 900
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9648,
                "name": "SCPS4D",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-12T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-07-12T04:14:03.280548Z",
            "ended": "2021-07-12T05:14:50.235349Z",
            "start_waiting": "2021-07-12T04:14:03.136873Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 15471,
            "name": "EGB Iron Man",
            "director": {
                "id": 195308,
                "username": "Korolo",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/9b28099b7050fcf86d8d20fa74591c57-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2033.1176923585222,
                        "deviation": 99.4962372843392,
                        "volatility": 0.060012037723894386
                    }
                },
                "ranking": 31.343420243853103,
                "professional": false,
                "ui_class": ""
            },
            "description": "WHO CAN LAST THE LONGEST?!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 806,
                "name": "EgbFailBus",
                "summary": "We are to lose",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/9a7fefc75750e451799e8b90d004f462-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-03-12T15:48:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2016-03-12T15:48:18.848771Z",
            "ended": "2017-02-23T13:46:40.147356Z",
            "start_waiting": "2016-03-12T15:48:18.623223Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9a7fefc75750e451799e8b90d004f462-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 75737,
            "name": "Csipkerek",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 91,
                "name": "Magyar",
                "summary": "Hungarian go players",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-05-30T10:35:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-30T10:35:57.050886Z",
            "ended": "2021-08-03T18:05:25.124881Z",
            "start_waiting": "2021-05-30T10:35:56.903556Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}