List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5719
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60019,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5720",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5718",
    "results": [
        {
            "id": 75954,
            "name": "Friendly Handicap 19*19",
            "director": {
                "id": 743533,
                "username": "ss76",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 865.69965614538,
                        "deviation": 63.39878919317945,
                        "volatility": 0.06003400172803372
                    }
                },
                "ranking": 11.578235639193064,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6802,
                "name": "Beginner Go",
                "summary": "a group for beginners. come join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/c7f2561134c3945ccb5995a7872e747f-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-06-09T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-08T00:36:54.897481Z",
            "ended": "2021-09-20T08:15:28.103686Z",
            "start_waiting": "2021-06-08T00:36:54.236944Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c7f2561134c3945ccb5995a7872e747f-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 93833,
            "name": "Praha 16",
            "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": "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": 50,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-08-24T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-24T09:39:36.408901Z",
            "ended": "2022-12-16T08:50:40.979270Z",
            "start_waiting": "2022-08-24T09:39:35.513096Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 59402,
            "name": "Gogogogogogogo",
            "director": {
                "id": 736022,
                "username": "楊博皓",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0bcc85dcf5138f903a59c1fc96b917bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.604332011829,
                        "deviation": 65.76762527276921,
                        "volatility": 0.05999650627120625
                    }
                },
                "ranking": 24.93673238502052,
                "professional": false,
                "ui_class": ""
            },
            "description": "You can play GO there.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 25,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 25,
                "initial_time": 80,
                "max_time": 180
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4573,
                "name": "Go Playground",
                "summary": "",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/9d7bc58cb903eb4610d051c64257b436-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-21T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 23,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-04-29T19:39:37.641675Z",
            "ended": "2020-04-29T19:41:05.602519Z",
            "start_waiting": "2020-04-29T19:39:36.979081Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9d7bc58cb903eb4610d051c64257b436-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 86538,
            "name": "SDK DDK Ultra Fast Handicap 4",
            "director": {
                "id": 886972,
                "username": "Babbo Bruno",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1023.2416118750762,
                        "deviation": 64.67977078308544,
                        "volatility": 0.05978954234238058
                    }
                },
                "ranking": 15.448750968227035,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Please note the extremely aggressive time requirement. You must average at least 6 moves per day. Conditional moves are allowed",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "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": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-04T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-03-04T12:49:54.765171Z",
            "ended": "2022-05-17T06:02:00.089385Z",
            "start_waiting": "2022-03-04T12:49:54.583702Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 330,
            "name": "The Tournament !!!!!!!!!!!",
            "director": {
                "id": 11897,
                "username": "Baby_Lucifer63467",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/41eccf74b4c9d21c4b47db017c90c81a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1511.40778006541,
                        "deviation": 65.74550217407152,
                        "volatility": 0.06000717697124527
                    }
                },
                "ranking": 24.47877614475353,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-09-26T18:31:00Z",
            "ended": "2008-01-22T20:07:00Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 101339,
            "name": "Kranj 12",
            "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": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 3
            },
            "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": "2023-03-22T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-22T16:00:23.274912Z",
            "ended": "2023-12-22T13:24:00.114229Z",
            "start_waiting": "2023-03-22T16:00:22.988907Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 68254,
            "name": "Handi tournament",
            "director": {
                "id": 380817,
                "username": "look info döskee",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1001.1282744304297,
                        "deviation": 68.63680878166396,
                        "volatility": 0.058646562422007574
                    }
                },
                "ranking": 14.942969758566955,
                "professional": false,
                "ui_class": ""
            },
            "description": "Handi tournament, with chinese rules\n4 rounds",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2988,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-30T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-30T10:00:42.459853Z",
            "ended": "2021-12-05T17:31:48.702949Z",
            "start_waiting": "2020-11-30T10:00:41.976570Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 129225,
            "name": "Zodiac Tournament : Cancer 2025",
            "director": {
                "id": 1015821,
                "username": "TimSeok",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/23efcd90e76c1f96a3d8996eb59f5435-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1208.1001509634063,
                        "deviation": 65.79463747628661,
                        "volatility": 0.060004406791227136
                    }
                },
                "ranking": 19.293349337378725,
                "professional": false,
                "ui_class": ""
            },
            "description": "One tournament for each astrological signs of the Zodiac.\n\n<b>Be carreful about the time settings.</b>\n\nUse the conditional move feature to speed up the game. No pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\nAlso, please do not use AI.\n\n<h3>Title holder :</h3>\n\n<br><b><a href=\"https://online-go.com/tournament/129225\">Cancer</a></b> : \n<br><b><a href=\"\">Lion</a></b> : \n<br><b><a href=\"\">Virgo</a></b> : \n<br><b><a href=\"\">Libra</a></b> :\n<br><b><a href=\"\">Scorpio</a></b> :\n<br><b><a href=\"\">Sagittarius</a></b> :\n<br><b><a href=\"\">Capricornus</a></b> :\n<br><b><a href=\"\">Aquarius</a></b> : \n<br><b><a href=\"\">Pisces</a></b> : \n<br><b><a href=\"\">Aeris</a></b> :\n<br><b><a href=\"\">Taurus</a></b> :\n<br><b><a href=\"https://online-go.com/tournament/128666\">Gemini</a></b> : On going",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 27251,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 25200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "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": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-06-21T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-06-21T16:00:27.639518Z",
            "ended": "2026-02-10T19:25:38.812854Z",
            "start_waiting": "2025-06-21T16:00:27.389568Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 7968,
            "name": "Reddit Round Robin #16 - Handicap - 20k-11k",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1225.3097183465236,
                        "deviation": 63.16265289496393,
                        "volatility": 0.0595733871372196
                    }
                },
                "ranking": 19.620797772843037,
                "professional": false,
                "ui_class": ""
            },
            "description": "Round Robin, Handicap, Correspondence, 20k-11k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2286,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-06-15T18:30:00Z",
            "players_start": 8,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-06-03T18:07:27.405499Z",
            "ended": "2016-05-03T04:42:49.457540Z",
            "start_waiting": "2015-06-03T18:07:26.477258Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 74210,
            "name": "Review and improve!",
            "director": {
                "id": 910762,
                "username": "Blakie",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/acb4da16a64f35acc7e8718bd99af6f4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1348.6423283804777,
                        "deviation": 65.18555839472641,
                        "volatility": 0.06002915076910726
                    }
                },
                "ranking": 21.840992975814853,
                "professional": false,
                "ui_class": ""
            },
            "description": "Review and improve your skills.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18023,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-22T06:25:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-23T10:53:35.226563Z",
            "ended": "2021-05-29T14:30:06.652553Z",
            "start_waiting": "2021-04-23T10:53:35.082465Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}