List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=557
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58899,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=558",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=556",
    "results": [
        {
            "id": 103866,
            "name": "13x13 Kyu Colosseum",
            "director": {
                "id": 1252765,
                "username": "KatNoire",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d798a462581639c7be0f220400b2b60f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1474.1058774576727,
                        "deviation": 63.78024967595756,
                        "volatility": 0.05995328684214665
                    }
                },
                "ranking": 23.900259960522494,
                "professional": false,
                "ui_class": ""
            },
            "description": "The enemy's never far in an arena this size. Step in!\n\nSwiss format. All kyu ranks except provisional welcome. No handicap. Paused on weekends.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "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": 1924,
                "name": "Small Board Fight Night",
                "summary": "A group for those of us wishing to learn more about playing Go on smaller boards.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-21T11:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-21T11:00:26.886558Z",
            "ended": "2023-12-13T07:51:23.077542Z",
            "start_waiting": "2023-06-21T11:00:26.770930Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 124971,
            "name": "kokoro atatakai",
            "director": {
                "id": 678723,
                "username": "kussbas",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/a05bce726085c9986e27e83f6a369394-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1232.4359862521858,
                        "deviation": 67.78015410841112,
                        "volatility": 0.0603625458977511
                    }
                },
                "ranking": 19.75504564399529,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go and horakter are the same thing",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12100,
                "name": "GoBanDit+",
                "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 65,
                "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-02T11:11:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2160,
            "name": "Mellon's mini-tournament",
            "director": {
                "id": 15325,
                "username": "Mellon",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/17e78cb35d68bae404a809d65d5b6aa0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1926.4135742067801,
                        "deviation": 69.65093113873655,
                        "volatility": 0.06020779063835434
                    }
                },
                "ranking": 30.095394450752128,
                "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": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 381,
                "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": 19,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-05-04T06:53:26Z",
            "ended": "2013-05-04T04:53:26Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 65764,
            "name": "ACAPULCO",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 702.7832420117375,
                        "deviation": 68.15986210019427,
                        "volatility": 0.06057660627238546
                    }
                },
                "ranking": 6.751703260465856,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hola vamo a jugar",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-22T18:50:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-22T18:50:22.277183Z",
            "ended": "2020-09-22T19:23:18.416905Z",
            "start_waiting": "2020-09-22T18:50:21.907919Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 13789,
            "name": "Japan Open 19x19",
            "director": {
                "id": 109444,
                "username": "VPshunt",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/70c797283afa9d1b71a708763c8c6051-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1703.9681645981816,
                        "deviation": 64.16663281633048,
                        "volatility": 0.059838863578554974
                    }
                },
                "ranking": 27.254883037419365,
                "professional": false,
                "ui_class": ""
            },
            "description": "A Happy New Year and my birthday;)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11,
                "name": "Japanese Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 155,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-01-05T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-01-05T13:00:53.457702Z",
            "ended": "2016-03-22T08:08:06.451539Z",
            "start_waiting": "2016-01-05T13:00:53.063063Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 85013,
            "name": "19x19 to kick off the new year",
            "director": {
                "id": 340298,
                "username": "cassidoo",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/cb0de43d07163253a51696127f58db45-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1303.7837499221387,
                        "deviation": 65.08175604857426,
                        "volatility": 0.05990699341422806
                    }
                },
                "ranking": 21.057879638977045,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Let's have a tourney!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 604800
            },
            "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": 8807,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-18T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-02-02T17:32:30.154809Z",
            "ended": "2022-07-31T14:24:35.475446Z",
            "start_waiting": "2022-02-02T17:32:30.000832Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 74703,
            "name": "2021 World Kyu Go Championship",
            "director": {
                "id": 720484,
                "username": "JtaoOMG",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/b79de628ffd7e4fe1a54a7c2b38163e5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1866.3720336200906,
                        "deviation": 64.63461166642907,
                        "volatility": 0.06005553853146774
                    }
                },
                "ranking": 29.36238292017167,
                "professional": false,
                "ui_class": ""
            },
            "description": "2021 World Kyu Go Championship",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": 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": 523,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-05-31T02:00:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-30T22:46:57.716308Z",
            "ended": "2021-05-30T23:28:32.073150Z",
            "start_waiting": "2021-05-30T22:46:57.644684Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 89013,
            "name": "Blitz 9x9",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1274.6513862158752,
                        "deviation": 65.37626830930803,
                        "volatility": 0.06010299986513658
                    }
                },
                "ranking": 20.534738366137827,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 10,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10855,
                "name": "⚫️The Brilliant World Of OGS⚪️",
                "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 191,
                "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-22T03:20:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-22T03:20:13.395976Z",
            "ended": "2022-04-22T03:26:03.284732Z",
            "start_waiting": "2022-04-22T03:20:13.296464Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 76156,
            "name": "Simple Correspondence Double Elimination 13x13 SDK 2021 Summer",
            "director": {
                "id": 302584,
                "username": "koast",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1518.190018088078,
                        "deviation": 64.08013528375135,
                        "volatility": 0.05996666523783403
                    }
                },
                "ranking": 24.58242625475131,
                "professional": false,
                "ui_class": ""
            },
            "description": "13x13 Summer D.E. no contional moves",
            "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": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5017,
                "name": "Simple Correspondence",
                "summary": "2 days per move. No Analysis.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 67,
                "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-01T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-07-01T19:00:20.846552Z",
            "ended": "2021-10-05T13:05:57.528228Z",
            "start_waiting": "2021-07-01T19:00:20.721117Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 27794,
            "name": "17k - 1k Players only Tournament (GOGOGO)",
            "director": {
                "id": 439429,
                "username": "ProfessorA",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/73de0839d2f9ef598da79c68b228f395-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1157.9244007851103,
                        "deviation": 63.9171822761565,
                        "volatility": 0.05995199947825181
                    }
                },
                "ranking": 18.311328425991398,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please check GOGOGO! Tournaments for 1 Dan or above coming soon!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "time_control": "none",
                "speed": "correspondence",
                "system": "none",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1651,
                "name": "GOGOGO",
                "summary": "Looking for a group to learn? Join us!\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/03fe9ebf23d694e99c67794f41ea65d8-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-06-11T01:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 13,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-08-05T19:46:39.956108Z",
            "ended": "2019-08-19T15:12:15.448641Z",
            "start_waiting": "2018-08-05T19:46:38.615262Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/03fe9ebf23d694e99c67794f41ea65d8-15.png",
            "player_count": 6,
            "ranked": true
        }
    ]
}