List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4634
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59295,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4635",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4633",
    "results": [
        {
            "id": 10340,
            "name": "all r welcome",
            "director": {
                "id": 158119,
                "username": "The Joker",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/928a971310ddc1fc017c5dba95910ec7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1327.9452605310623,
                        "deviation": 67.2027521783985,
                        "volatility": 0.060165384704193005
                    }
                },
                "ranking": 21.482964960725848,
                "professional": false,
                "ui_class": ""
            },
            "description": "hf gl",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 17885,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-08-29T15:15:00Z",
            "players_start": 2,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-08-29T15:15:03.704914Z",
            "ended": "2015-08-29T15:23:01.644716Z",
            "start_waiting": "2015-08-29T15:15:03.613183Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 75345,
            "name": "4th Beginners 9x9 Knockout Tournament",
            "director": {
                "id": 750750,
                "username": "begingo1000",
                "country": "ez",
                "icon": "https://secure.gravatar.com/avatar/d705f1ba732fe17b3a05d20723059c83?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1317.1885810619165,
                        "deviation": 64.49012040956917,
                        "volatility": 0.06003208049018038
                    }
                },
                "ranking": 21.294680724602816,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is the 4th edition of the Beginners 9x9 Knockout Tournament! Old and new players between 8-25 kyu are welcome to participate!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "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": 4957,
                "name": "Beginners 9x9",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 32,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-26T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-26T13:00:57.712958Z",
            "ended": "2021-10-18T16:28:03.034148Z",
            "start_waiting": "2021-05-26T13:00:57.053240Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 81367,
            "name": "Tournament",
            "director": {
                "id": 865411,
                "username": "enb0511",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/afbb660e7c09cdf90165d4367c744695?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 901.9758009015326,
                        "deviation": 67.74729405990936,
                        "volatility": 0.06000418437705174
                    }
                },
                "ranking": 12.528535277699351,
                "professional": false,
                "ui_class": ""
            },
            "description": "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": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 885,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-15T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-15T19:04:50.455663Z",
            "ended": "2021-11-06T09:36:11.403451Z",
            "start_waiting": "2021-10-15T19:04:50.375418Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 39739,
            "name": "1st Continental Go World Cup-Qualification Phase for Africa/Australia/Neutral : 9-5kyu Category (Group 2)",
            "director": {
                "id": 539970,
                "username": "Samioka",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/9582cd2660544491f2579526f26e3e1c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1148.805330372039,
                        "deviation": 97.61189177297982,
                        "volatility": 0.060030694354630036
                    }
                },
                "ranking": 18.128292176051577,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello This is the qualification phase for the African/Australian/Neutral players who have a level between 9k and 5k. (This is the group n°2. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.) REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, Starfleet or DOOP flag are considered as Neutral flags).\n\nHave fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 59520,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 57600,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 526,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-12-31T15:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-08-15T19:44:36.795922Z",
            "ended": "2019-03-08T02:10:59.036019Z",
            "start_waiting": "2018-08-15T19:44:33.976537Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 101099,
            "name": "cool people",
            "director": {
                "id": 880434,
                "username": "angle89",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7659feb46d1923d77ede06e88cd59589-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 756.276940153486,
                        "deviation": 72.86551242033138,
                        "volatility": 0.060011464047172725
                    }
                },
                "ranking": 8.449966903054184,
                "professional": false,
                "ui_class": ""
            },
            "description": "fuck you",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 15,
                "initial_time": 60,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12971,
                "name": "cool people group",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/6150b439e6c936284d9820e9eb07550f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-14T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-14T05:43:38.506239Z",
            "ended": "2023-03-14T08:17:53.764253Z",
            "start_waiting": "2023-03-14T05:43:38.421471Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6150b439e6c936284d9820e9eb07550f-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 82039,
            "name": "Tournament 1",
            "director": {
                "id": 835368,
                "username": "ScienceMarc",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e211153cc39b72cbd32da568314c92ad-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1123.5383491408475,
                        "deviation": 86.66176896958628,
                        "volatility": 0.060018780462853104
                    }
                },
                "ranking": 17.613445122335676,
                "professional": false,
                "ui_class": ""
            },
            "description": "first tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8935,
                "name": "BISH Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-11-02T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-02T20:52:19.048432Z",
            "ended": "2021-11-02T21:26:18.571249Z",
            "start_waiting": "2021-11-02T20:52:18.851304Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 38654,
            "name": "1st Continental Go World Cup-Qualification Phase for Africa/Australia/Neutral: Category 14-10k (Group 1) A",
            "director": {
                "id": 539970,
                "username": "Samioka",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/9582cd2660544491f2579526f26e3e1c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1148.805330372039,
                        "deviation": 97.61189177297982,
                        "volatility": 0.060030694354630036
                    }
                },
                "ranking": 18.128292176051577,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello This is the qualification phase for the African/Australian/Neutral players who have a level between 14k and 10k. (This is the group n°1. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.) REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, Starfleet or DOOP flag are considered as Neutral flags).\n\nHave fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 59520,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 57600,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 526,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-06-30T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-07-18T11:10:24.939824Z",
            "ended": "2018-12-28T20:21:51.373866Z",
            "start_waiting": "2018-07-18T11:10:22.827756Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 127915,
            "name": "Show Today GO Cup",
            "director": {
                "id": 1734968,
                "username": "KungYo",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/ca1e6a51c9c50cde1821739e5b556fba?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 643.0170330173323,
                        "deviation": 68.06400311660414,
                        "volatility": 0.06001881331211665
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Турнир для команды Show Today Красноярск.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 15,
                "initial_time": 300,
                "max_time": 1800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15275,
                "name": "Show Today GO",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-04-27T14:00:00Z",
            "players_start": 10,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-04-27T13:46:08.264016Z",
            "ended": "2025-04-27T13:50:51.391008Z",
            "start_waiting": "2025-04-27T13:46:08.200765Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 40271,
            "name": "Reckless Fury v Spocki Groki Game 2",
            "director": {
                "id": 512334,
                "username": "danielml01",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/4d5da62e5cdaf4e31b1d5decf55b3b25-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1753.397503238611,
                        "deviation": 61.25800126538397,
                        "volatility": 0.059902216641597256
                    }
                },
                "ranking": 27.91687096286579,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Game 2 Reckless v Spocki",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 1800,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2509,
                "name": "Kyu Clash",
                "summary": "Where Kyu Level Go Streamers Face Off! https://twitch.tv/kyuclash",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-08-25T22:51:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-08-25T22:51:48.193992Z",
            "ended": "2018-08-25T23:47:22.776587Z",
            "start_waiting": "2018-08-25T22:51:47.949840Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 80948,
            "name": "Classic W.D.D.T. XXXIII",
            "director": {
                "id": 929191,
                "username": "EnsoZEN",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1463.5820448380764,
                        "deviation": 67.30723430909097,
                        "volatility": 0.06004488935091738
                    }
                },
                "ranking": 23.734396346844115,
                "professional": false,
                "ui_class": ""
            },
            "description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
            "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": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 48,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-24T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-24T23:00:26.348577Z",
            "ended": "2021-12-15T18:40:47.499342Z",
            "start_waiting": "2021-10-24T23:00:26.164246Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}