List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=876
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59510,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=877",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=875",
    "results": [
        {
            "id": 71476,
            "name": "no handicap Gold single elimination",
            "director": {
                "id": 902324,
                "username": "林峻希",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/16d8cf873ce39682456313cf977561db?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1238.2556866816683,
                        "deviation": 67.2057871599663,
                        "volatility": 0.060153671350274045
                    }
                },
                "ranking": 19.864105236973693,
                "professional": false,
                "ui_class": ""
            },
            "description": "no handicap Gold single elimination",
            "schedule": null,
            "title": null,
            "tournament_type": "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": false,
            "group": {
                "id": 8069,
                "name": "friend group",
                "summary": "ONLY FOR MY FRIENDS! SO FRIEND ME NOW!",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-27T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-27T12:00:59.770590Z",
            "ended": "2022-02-23T12:15:31.568048Z",
            "start_waiting": "2021-02-27T12:00:58.956853Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 36,
            "ranked": true
        },
        {
            "id": 104620,
            "name": "Monthly Tournament: July 2023",
            "director": {
                "id": 1175667,
                "username": "PPProm",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/12507b959b9075059f6e1c43f0f27ba5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 929.5238447430535,
                        "deviation": 66.65390974576505,
                        "volatility": 0.060037795123986826
                    }
                },
                "ranking": 13.224997673087842,
                "professional": false,
                "ui_class": ""
            },
            "description": "Coming soon……",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 13102,
                "name": "Online Go - OGS",
                "summary": "Welcome to group “Online Go - OGS”\n\nHave fun😊😊",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 61,
                "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-01T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-01T05:00:56.857247Z",
            "ended": "2024-10-29T00:04:32.158640Z",
            "start_waiting": "2023-07-01T05:00:56.721661Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 112550,
            "name": "9x9 New Zealand Open D.E. #2",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. Starts when full.\n\nNew Zealand rules. 9x9 even. Double-elimination.\n\nFor more tournaments with New Zealand rules: https://online-go.com/group/14024",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 95543,
            "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": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 80,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-02-27T04:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-24T15:04:00.968969Z",
            "ended": "2024-08-25T07:46:54.197641Z",
            "start_waiting": "2024-02-24T15:04:00.842093Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 95502,
            "name": "Greg's January 2023 9x9",
            "director": {
                "id": 839774,
                "username": "greg556",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/ab22c240c07a79025a1565e22698dd21?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1352.355170779992,
                        "deviation": 65.78171266435913,
                        "volatility": 0.06010244192669599
                    }
                },
                "ranking": 21.90463787420026,
                "professional": false,
                "ui_class": ""
            },
            "description": "January 9x9 Swiss, slide and strength.\n\nVacation and pauses not allowed, at discretion of director.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 22560,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 21600,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7162,
                "name": "Greg's Tournament Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-02T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-02T18:00:45.207651Z",
            "ended": "2023-03-03T19:41:35.583855Z",
            "start_waiting": "2023-01-02T18:00:44.543779Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 82348,
            "name": "Correspondence 19x19",
            "director": {
                "id": 665775,
                "username": "Behanix",
                "country": "no",
                "icon": "https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 930.0331612858862,
                        "deviation": 64.22289072919479,
                        "volatility": 0.05997256294371637
                    }
                },
                "ranking": 13.23767884201483,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Let's tourney and have some fun! DDKs are encouraged to join!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88320,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8875,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-17T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-17T20:00:24.127047Z",
            "ended": "2023-05-29T16:57:35.510124Z",
            "start_waiting": "2021-11-17T20:00:20.500675Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 44,
            "ranked": true
        },
        {
            "id": 32708,
            "name": "ChicaGo Winter Classic 2017",
            "director": {
                "id": 46842,
                "username": "pútáo",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/8599969d3677c89211997f4cb73b9d8a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1793.459838750026,
                        "deviation": 66.55286389657842,
                        "volatility": 0.059948044848881464
                    }
                },
                "ranking": 28.43985929984624,
                "professional": false,
                "ui_class": ""
            },
            "description": "\"Only the Coldest Shall Prevail\"",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 109,
                "name": "ChicaGo",
                "summary": "Go players from around Chicago. Meet other locals, or chat online with your friends from your local club.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/7d53fb408db534d34ad7e9b341767861-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-12-28T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-12-28T19:00:42.444251Z",
            "ended": "2018-02-16T16:18:16.117281Z",
            "start_waiting": "2017-12-28T19:00:35.488020Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7d53fb408db534d34ad7e9b341767861-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 130065,
            "name": "de tournamentnt",
            "director": {
                "id": 1513547,
                "username": "kjnt",
                "country": "fr",
                "icon": "https://secure.gravatar.com/avatar/b2118dd2a6cb53b77ea0a75a67edfc87?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1455.7473211770416,
                        "deviation": 79.43319700961996,
                        "volatility": 0.06105802016040248
                    }
                },
                "ranking": 23.61013884420494,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fyfut7t656",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 11594,
                "name": "brawl star",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-02T10:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-02T10:00:29.989988Z",
            "ended": "2025-07-02T10:00:29.969521Z",
            "start_waiting": "2025-07-02T10:00:29.907893Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 68446,
            "name": "Tristan vs Felix",
            "director": {
                "id": 885922,
                "username": "mathiesentristan",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1db5180489ff2fc5e593bcd5756e2b91?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1662.3108939062977,
                        "deviation": 290.31896371798047,
                        "volatility": 0.05999967537233814
                    }
                },
                "ranking": 26.681897238489267,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Feel free to spectate.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "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": 7261,
                "name": "TG Goklub",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/89b3efbf4d77e9dbd7a9a5609e2deb27-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-12-01T15:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-01T14:24:13.529928Z",
            "ended": "2020-12-01T15:30:59.282845Z",
            "start_waiting": "2020-12-01T14:24:13.420929Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/89b3efbf4d77e9dbd7a9a5609e2deb27-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 77904,
            "name": "Fast Correspondence 2021-08-01",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1533.9068554548614,
                        "deviation": 61.970540108221776,
                        "volatility": 0.05973687122758995
                    }
                },
                "ranking": 24.820851190957736,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 823,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-01T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-01T00:00:14.788898Z",
            "ended": "2021-09-15T00:02:07.681434Z",
            "start_waiting": "2021-08-01T00:00:13.508014Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 71470,
            "name": "OCU2020年度総当たりリーグ戦",
            "director": {
                "id": 935058,
                "username": "せんにん",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/f17e4f7d28e14ccbe66888894dea86dd-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1988.7880961663263,
                        "deviation": 77.91436501774292,
                        "volatility": 0.060008923360261146
                    }
                },
                "ranking": 30.83307924327437,
                "professional": false,
                "ui_class": ""
            },
            "description": "2020年度囲碁部内総当たりリーグ戦です。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90240,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 345600,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8272,
                "name": "OCU囲碁部",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/77dcde27f57536f8a663f8363a6dcc70-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-02-18T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-02-18T00:00:16.182470Z",
            "ended": "2021-08-10T05:36:43.290595Z",
            "start_waiting": "2021-02-18T00:00:15.267013Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/77dcde27f57536f8a663f8363a6dcc70-15.png",
            "player_count": 9,
            "ranked": true
        }
    ]
}