List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5338
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59603,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5339",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5337",
    "results": [
        {
            "id": 62042,
            "name": "Abc cup",
            "director": {
                "id": 564908,
                "username": "Sarawoot Kanya",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1451.1518772700958,
                        "deviation": 64.75698044754064,
                        "volatility": 0.06068329446567833
                    }
                },
                "ranking": 23.53694427651788,
                "professional": false,
                "ui_class": ""
            },
            "description": "12345678",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4793,
                "name": "Angel WFH",
                "summary": "การเล่นหมากล้อมออนไลน์สำหรับทีมพิธีการ และทีมหมากล้อม",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-17T08:10:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-06-17T08:04:49.474161Z",
            "ended": "2020-06-17T09:41:39.560192Z",
            "start_waiting": "2020-06-17T08:04:49.178416Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 60485,
            "name": "Blitz Tournament 9x9",
            "director": {
                "id": 535250,
                "username": "andyzhou",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/105954f48a899e137f853a65860f7c7b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1833.216906846001,
                        "deviation": 66.41302235084261,
                        "volatility": 0.06012770521888711
                    }
                },
                "ranking": 28.94743858640182,
                "professional": false,
                "ui_class": ""
            },
            "description": "Blitz!!!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 5,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 5,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 3659,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-14T00:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-19T17:24:37.427414Z",
            "ended": "2020-05-19T17:25:32.001847Z",
            "start_waiting": "2020-05-19T17:24:36.890900Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 99782,
            "name": "6.02kemdie",
            "director": {
                "id": 1280107,
                "username": "Isagi",
                "country": "ch",
                "icon": "https://secure.gravatar.com/avatar/ce75eae8dd16956ae511866756ab85bc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 905.4029940967151,
                        "deviation": 118.08828838975948,
                        "volatility": 0.06000667671236452
                    }
                },
                "ranking": 12.616330506658477,
                "professional": false,
                "ui_class": ""
            },
            "description": "hdfb homophobes",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8095,
                "name": "Elygo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-06T11:54:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-06T11:51:38.188393Z",
            "ended": null,
            "start_waiting": "2023-02-06T11:51:38.060573Z",
            "board_size": 9,
            "active_round": 2,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 84628,
            "name": "Web烏鷺の会 新春打ち始め19路盤",
            "director": {
                "id": 788184,
                "username": "f_uenoyama",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/acdee1cb9e308c99bb0cfbf83b3108ed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1893.2492921001538,
                        "deviation": 63.809210110372014,
                        "volatility": 0.06006277432250136
                    }
                },
                "ranking": 29.69338388010965,
                "professional": false,
                "ui_class": ""
            },
            "description": "明けましておめでとうございます。令和4年打ち始めトーナメントです。喜楽にご参加下さい。総当たり、オール互先です。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5915,
                "name": "Web烏鷺の会",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-15T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-01-15T23:00:30.468519Z",
            "ended": "2022-03-04T11:11:16.378609Z",
            "start_waiting": "2022-01-15T23:00:30.028390Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 89408,
            "name": "FOR MRSAUSTEN",
            "director": {
                "id": 1028051,
                "username": "RAGEMONKEY",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/8c59cc5b7cf31c3ef84966a70dee552f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 940.5851333179027,
                        "deviation": 62.475553138534316,
                        "volatility": 0.06001398789255109
                    }
                },
                "ranking": 13.49885531425695,
                "professional": false,
                "ui_class": ""
            },
            "description": "FOR YOU BRO!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 15
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8304,
                "name": "club hikaru no go",
                "summary": "welcome all fan of Hikaru no go and on piece",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 115,
                "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-30T19:35:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-30T19:35:06.447265Z",
            "ended": "2022-04-30T19:47:44.595207Z",
            "start_waiting": "2022-04-30T19:35:06.366103Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 65249,
            "name": "PlayWithMBL",
            "director": {
                "id": 803205,
                "username": "deleted-8775f22a-2b06-40d7-a417-78780aa87283",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/cbabf16d625ef35bed640f3f2246bb9c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1069.6758852313314,
                        "deviation": 64.49562346853283,
                        "volatility": 0.06003238867552211
                    }
                },
                "ranking": 16.476149189708508,
                "professional": false,
                "ui_class": ""
            },
            "description": "Now when you know how to play, let's have a tournament!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 180,
                "max_time": 240
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6779,
                "name": "PlayWithMBL",
                "summary": "",
                "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": "2020-09-09T15:36:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-09T15:36:41.574250Z",
            "ended": "2020-09-09T15:46:58.420731Z",
            "start_waiting": "2020-09-09T15:36:41.407839Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63721,
            "name": "Ninja l",
            "director": {
                "id": 811650,
                "username": "Kimmomimsimimwi",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/61e0f9ca340e6666205164c060d5e04a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1503.8058692141842,
                        "deviation": 65.25254908575168,
                        "volatility": 0.060002103858000304
                    }
                },
                "ranking": 24.36204504072503,
                "professional": false,
                "ui_class": ""
            },
            "description": "Nana.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 5,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "blitz",
                "pause_on_weekends": false,
                "per_move": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6406,
                "name": "Ninja warrior",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 0,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-30T05:03:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-30T05:03:09.892344Z",
            "ended": "2020-07-30T05:04:39.337246Z",
            "start_waiting": "2020-07-30T05:03:09.840010Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 136738,
            "name": "9x9 Open D.E. Cup #221",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1255.1325092914733,
                        "deviation": 70.70388156803322,
                        "volatility": 0.060218187290626925
                    }
                },
                "ranking": 20.177497600621148,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-02-01T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-02-01T13:39:05.232378Z",
            "ended": null,
            "start_waiting": "2026-02-01T13:39:04.989758Z",
            "board_size": 9,
            "active_round": 5,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 121782,
            "name": "19x19 Open D.E. Cup #88",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1255.1325092914733,
                        "deviation": 70.70388156803322,
                        "volatility": 0.060218187290626925
                    }
                },
                "ranking": 20.177497600621148,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-11-10T22:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-10T00:02:46.988621Z",
            "ended": "2025-11-18T05:04:44.244672Z",
            "start_waiting": "2024-11-10T00:02:46.886862Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 80973,
            "name": "Équipe de France Jeunes2",
            "director": {
                "id": 954697,
                "username": "LinLucas",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/18e87509e161428869264574b242dcec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1633.1398078129937,
                        "deviation": 73.02570853359137,
                        "volatility": 0.06016829888503836
                    }
                },
                "ranking": 26.27204235467344,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 conte 1",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 70,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 3600,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9992,
                "name": "Équipe de France Jeunes",
                "summary": "<b>Calendrier de la session 3</b><br>\nRonde 5 : lundi 30 mars, cours 18h30-19h suivi des parties. Pédagogue : Warren<br>\n\n---<br>\nSi vous ne pouvez pas être présent, veuillez contacter votre adversaire dès que possible.\n<br>\nSi votre adversaire n'est pas l",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/f3cc65b9cbd37b0642c70e30e9d92ff4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-05T08:10:00Z",
            "players_start": 0,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-05T08:10:40.498843Z",
            "ended": "2021-10-05T08:18:40.897910Z",
            "start_waiting": "2021-10-05T08:10:40.472560Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f3cc65b9cbd37b0642c70e30e9d92ff4-15.png",
            "player_count": 0,
            "ranked": true
        }
    ]
}