List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=858
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59503,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=859",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=857",
    "results": [
        {
            "id": 120867,
            "name": "Torneo de prueba 1",
            "director": {
                "id": 515535,
                "username": "Cararam11",
                "country": "gt",
                "icon": "https://user-uploads.online-go.com/ddab5ddfd6ec1219d83d540c2e56b418-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "prueba",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14687,
                "name": "Eliminatorias por boletos para el Congreso Latinoamericano de Go  2024",
                "summary": "Anuncios:\n\n1. El grupo ya tiene las configuraciones de las partidas preprogramadas. Cuando entren al grupo, regístrense en el torneo correspondiente.\n\n2. **[Reporte de resultados]** El ganador de cada ronda deberá llenar este formulario para reportar el re",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 27,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-05T17:09:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2024-10-05T17:09:35.863060Z",
            "ended": "2024-10-05T17:15:46.068638Z",
            "start_waiting": "2024-10-05T17:09:35.789947Z",
            "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": 112588,
            "name": "13x13 Open D.E. Cup #38",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1328.4337060647135,
                        "deviation": 68.98965903759373,
                        "volatility": 0.060206245193250185
                    }
                },
                "ranking": 21.491478440446674,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-02-25T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-25T03:11:51.507359Z",
            "ended": "2024-09-17T08:11:06.979370Z",
            "start_waiting": "2024-02-25T03:11:51.366419Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 67431,
            "name": "5 Person AllVsAll",
            "director": {
                "id": 751480,
                "username": "IceTsunami",
                "country": "_Tibet",
                "icon": "https://user-uploads.online-go.com/af50490dfea3295e8e9172305d92e28f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1196.2312656807467,
                        "deviation": 81.32419211783879,
                        "volatility": 0.06000695930662531
                    }
                },
                "ranking": 19.06478939401627,
                "professional": false,
                "ui_class": ""
            },
            "description": "Die Spiele werden alle Gleichzeitig angezeigt was nervig beim spielen sein kann. vielleicht kann man das bei seinen Einstellungen verändern ich schreibe das hier wenn ichs finde",
            "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": 7212,
                "name": "TheLeagueOfExtraordinaryPhysicists",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "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": false,
            "time_start": "2020-11-06T21:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-11-06T21:00:26.717592Z",
            "ended": "2020-12-17T21:19:35.672991Z",
            "start_waiting": "2020-11-06T21:00:26.024866Z",
            "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": 96623,
            "name": ".................................",
            "director": {
                "id": 1143064,
                "username": "ZRSSDann",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/3fc85a52a0dcce2bc3033af4ef21c708-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1481.8848605019614,
                        "deviation": 68.31433548847164,
                        "volatility": 0.06046352798150052
                    }
                },
                "ranking": 24.022103287618204,
                "professional": false,
                "ui_class": ""
            },
            "description": "...............",
            "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": 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": 1781,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-02T11:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-02T11:30:28.036217Z",
            "ended": "2023-12-18T03:10:57.808977Z",
            "start_waiting": "2023-01-02T11:30:27.815299Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 110208,
            "name": "4x4 12345678",
            "director": {
                "id": 1230929,
                "username": "koonp2s2",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/e830d5abe031d7021a414f090ce76fc3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 691.7379528187089,
                        "deviation": 73.95923526570202,
                        "volatility": 0.06002219227681165
                    }
                },
                "ranking": 6.384976970503283,
                "professional": false,
                "ui_class": ""
            },
            "description": "4x4 12345678",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5893,
                "name": "Go Family",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 149,
                "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-02T03:08:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-12-02T03:08:26.647218Z",
            "ended": "2023-12-02T03:47:00.917851Z",
            "start_waiting": "2023-12-02T03:08:26.564977Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 130056,
            "name": "ป.5 รอบ 2",
            "director": {
                "id": 1304979,
                "username": "arcanis2u",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2527119d92dde00a45791e7b2fec99f7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1281.9350511842033,
                        "deviation": 113.47103864284946,
                        "volatility": 0.06001685765620799
                    }
                },
                "ranking": 20.666646521290243,
                "professional": false,
                "ui_class": ""
            },
            "description": "ทดสอบ รอบ 2",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "rapid",
                "pause_on_weekends": false,
                "per_move": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14105,
                "name": "โรงเรียนสามัคคีบำรุง",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 96,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-02T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-07-02T03:49:00.311459Z",
            "ended": "2025-07-02T04:01:36.430133Z",
            "start_waiting": "2025-07-02T03:48:59.869947Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 133078,
            "name": "JORNADA 8 DE ENTRENAMIENTO AVANZADO A 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": 1144.0604799325788,
                        "deviation": 60.36983920811666,
                        "volatility": 0.0597288618958486
                    }
                },
                "ranking": 18.032478941820354,
                "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": 39,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "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": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-05T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2025-10-05T00:35:49.606515Z",
            "ended": "2025-10-05T01:22:32.489191Z",
            "start_waiting": "2025-10-05T00:35:49.564575Z",
            "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": 110684,
            "name": "tttttttttttt",
            "director": {
                "id": 1475932,
                "username": "susy baka",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/bd15601cf5ad063f1564e611446ff8c7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 669.4820695020807,
                        "deviation": 65.91189052091784,
                        "volatility": 0.06015693980445426
                    }
                },
                "ranking": 5.6279066839555245,
                "professional": false,
                "ui_class": ""
            },
            "description": "ttttttttttttttt",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5893,
                "name": "Go Family",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 149,
                "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-12-16T01:56:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-12-16T01:57:31.381422Z",
            "ended": "2023-12-16T02:10:03.425957Z",
            "start_waiting": "2023-12-16T01:57:31.321881Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 67605,
            "name": "Dostluk Maçı",
            "director": {
                "id": 752386,
                "username": "aysetugan97",
                "country": "tr",
                "icon": "https://secure.gravatar.com/avatar/da075d3a077fc2fc09cb7b7e6de74303?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1090.263491856799,
                        "deviation": 73.32616783637499,
                        "volatility": 0.05957359418218612
                    }
                },
                "ranking": 16.91747410139297,
                "professional": false,
                "ui_class": ""
            },
            "description": "İyi oyunlar :) Good for game ...",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 86400,
                "period_time": 86400,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5882,
                "name": "Go Time ⚫⚪⚫⚪",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "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": "2020-11-10T07:05:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-10T23:52:40.424854Z",
            "ended": "2021-03-11T10:40:50.671539Z",
            "start_waiting": "2020-11-10T23:52:40.112932Z",
            "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": 67672,
            "name": "BGoS Round Robin",
            "director": {
                "id": 780058,
                "username": "Chorb",
                "country": "se",
                "icon": "https://user-uploads.online-go.com/c5c2db8d0fe0d30cf954dfac93509b1c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 940.3438680578769,
                        "deviation": 62.92423826809965,
                        "volatility": 0.06003243022936169
                    }
                },
                "ranking": 13.492916450220996,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ok, try two.\n\nPause on weekends, all should be welcome, no analysis, japanese rules.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 6446,
                "name": "BGoS Club",
                "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": true,
            "time_start": "2020-11-10T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-10T21:47:43.553751Z",
            "ended": "2021-03-12T20:28:20.424860Z",
            "start_waiting": "2020-11-10T21:47:42.353765Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        }
    ]
}