List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=140
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59983,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=141",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=139",
    "results": [
        {
            "id": 10350,
            "name": "Beginners Open #1 Correspondence 19x19 15k-25k",
            "director": {
                "id": 170321,
                "username": "muchgo",
                "country": "se",
                "icon": "https://secure.gravatar.com/avatar/ead1efb9910d3d579a7ebb5985878094?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1411.9328843760413,
                        "deviation": 67.19857798482741,
                        "volatility": 0.06004120595328262
                    }
                },
                "ranking": 22.902679799769526,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck and have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "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": 743,
                "name": "Sweden",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2015-09-08T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-09-08T11:00:52.872345Z",
            "ended": "2017-01-06T11:23:49.386685Z",
            "start_waiting": "2015-09-08T11:00:52.723343Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 20280,
            "name": "Newbies' Level",
            "director": {
                "id": 358981,
                "username": "MinionFazbear",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/b75aa4189e8435e0f79ea52851027902-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 934.1541915201726,
                        "deviation": 99.1393208822653,
                        "volatility": 0.05998725324419916
                    }
                },
                "ranking": 13.340031221121652,
                "professional": false,
                "ui_class": ""
            },
            "description": "I likeeeeeeeeeeee noobs",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "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": 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": 1788,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-09-15T06:19:00Z",
            "players_start": 5,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-09-15T06:19:42.212448Z",
            "ended": "2017-10-05T16:04:34.208663Z",
            "start_waiting": "2016-09-15T06:19:41.306864Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 12252,
            "name": "Radom 19x19 November 2015",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 762.2443490023227,
                        "deviation": 64.75627329635259,
                        "volatility": 0.059132401337595716
                    }
                },
                "ranking": 8.631915258955058,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "htre uio",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 28840,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 3600,
                "max_time": 604800,
                "time_increment": 28800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 476,
                "name": "Zbiegłe kurczaki",
                "summary": "Group for players from Kurnik / PlayOK",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 56,
                "icon": "https://user-uploads.online-go.com/daca8770a5adf92b79ec6207d56ba4a2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-11-10T18:01:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 9,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-11-10T18:01:46.401871Z",
            "ended": "2015-12-11T15:57:41.280596Z",
            "start_waiting": "2015-11-10T18:01:45.485951Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/daca8770a5adf92b79ec6207d56ba4a2-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 51150,
            "name": "25k - 15k tournament 19x19 DE",
            "director": {
                "id": 572024,
                "username": "BeamingBlackFlame",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/59c118eb318e6d5e29c7f4adc6d995c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1133.3918928571395,
                        "deviation": 62.93043043373966,
                        "volatility": 0.05999229649867983
                    }
                },
                "ranking": 17.815587822314367,
                "professional": false,
                "ui_class": ""
            },
            "description": "25k - 15k tournament 19x19 DE is back.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2946,
                "name": "Final Frontier",
                "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-08-24T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-08-23T21:46:40.799103Z",
            "ended": "2020-02-06T06:56:20.301648Z",
            "start_waiting": "2019-08-23T21:46:40.040919Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 108811,
            "name": "LE HONINBO",
            "director": {
                "id": 1409180,
                "username": "deleted-59daa536-5cf5-4f74-abc9-18352789d8a6",
                "country": "be",
                "icon": "https://secure.gravatar.com/avatar/a174b5e1e0864ecd881301db24b1ff2d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 766.675370480976,
                        "deviation": 70.48953321029607,
                        "volatility": 0.06002959976861402
                    }
                },
                "ranking": 8.766099458578926,
                "professional": false,
                "ui_class": ""
            },
            "description": "ON ESSAYE DE DéCROCHER LA VICTOIRE!!!!!\nQUI SERA LE FUTUR HONINBO ....",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": false,
            "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": 8906,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-10-29T15:00:00Z",
            "players_start": 32,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-11-13T14:23:59.203973Z",
            "ended": "2024-03-12T17:55:37.442924Z",
            "start_waiting": "2023-11-13T14:23:59.091535Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 94872,
            "name": "Akwa 33",
            "director": {
                "id": 1120294,
                "username": "deleted-77c49b2e-5e42-44c2-aa5c-d4619ca90c4e",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/4fddc1da78465323e6e60f9e24fd9a92?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 797.4061279538024,
                        "deviation": 64.89791980163515,
                        "volatility": 0.05999668427354532
                    }
                },
                "ranking": 9.675909595206456,
                "professional": false,
                "ui_class": ""
            },
            "description": "correspondence, 19x19, 21k-15k",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3317,
                "name": "Akwa-chichirmala",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-09-26T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-05T16:51:56.911597Z",
            "ended": "2022-10-22T15:47:26.392037Z",
            "start_waiting": "2022-10-05T16:51:56.741833Z",
            "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": 65182,
            "name": "9x9 diario",
            "director": {
                "id": 362737,
                "username": "seranhelo",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.4110560105903,
                        "deviation": 60.784797360228325,
                        "volatility": 0.05977725254366489
                    }
                },
                "ranking": 21.26341906930818,
                "professional": false,
                "ui_class": ""
            },
            "description": "principiantes",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "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": 4667,
                "name": "Universidad El Bosque",
                "summary": "UB GO",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-10T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-08T15:12:39.437998Z",
            "ended": "2020-09-14T17:01:09.892590Z",
            "start_waiting": "2020-09-08T15:12:39.019563Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 42477,
            "name": "Double digit turnament",
            "director": {
                "id": 576784,
                "username": "Rivan20",
                "country": "id",
                "icon": "https://user-uploads.online-go.com/a9fb791cbd94f8419382048c39ce4d2b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1336.591629676503,
                        "deviation": 61.52832941961669,
                        "volatility": 0.06005111953496993
                    }
                },
                "ranking": 21.633208066027755,
                "professional": false,
                "ui_class": ""
            },
            "description": "Keep learning",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 133440,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 345600,
                "max_time": 604800,
                "time_increment": 129600,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3668,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-21T13:00:00Z",
            "players_start": 32,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-08T10:35:14.888614Z",
            "ended": "2021-03-05T09:21:29.697100Z",
            "start_waiting": "2018-11-08T10:35:06.561604Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 58399,
            "name": "otrotorneocomplejo",
            "director": {
                "id": 362737,
                "username": "seranhelo",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.4110560105903,
                        "deviation": 60.784797360228325,
                        "volatility": 0.05977725254366489
                    }
                },
                "ranking": 21.26341906930818,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneo de práctica y clasificación del seminario de complejidad",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 4667,
                "name": "Universidad El Bosque",
                "summary": "UB GO",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-04T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-04T02:00:29.469158Z",
            "ended": "2020-04-13T00:27:17.919131Z",
            "start_waiting": "2020-04-04T02:00:27.978685Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 136344,
            "name": "BegINner fiGhT!!! vEr. 4",
            "director": {
                "id": 1742791,
                "username": "AKIBABO",
                "country": "_GoT_Lannister",
                "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 941.7276727914596,
                        "deviation": 61.74779929301154,
                        "volatility": 0.0598639645836995
                    }
                },
                "ranking": 13.526958817537938,
                "professional": false,
                "ui_class": ""
            },
            "description": "BegINner fiGhT!!!",
            "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": 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": 18020,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-19T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-19T04:00:26.834377Z",
            "ended": "2026-05-16T02:50:01.045543Z",
            "start_waiting": "2026-01-19T04:00:26.733263Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}