List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=561
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59260,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=562",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=560",
    "results": [
        {
            "id": 124010,
            "name": "19x19 Open League #72",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.9261925911521,
                        "deviation": 69.59599630709448,
                        "volatility": 0.0602068047357829
                    }
                },
                "ranking": 21.999808315401925,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 70,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-01-19T22:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-14T21:22:28.751975Z",
            "ended": "2025-06-09T06:40:54.053547Z",
            "start_waiting": "2025-01-14T21:22:27.827799Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 138144,
            "name": "GAMBATE 02",
            "director": {
                "id": 775143,
                "username": "c16896",
                "country": "pe",
                "icon": "https://user-uploads.online-go.com/00f634cd07ddcbcdfcdd7eb157515147-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1054.7275486904118,
                        "deviation": 90.80601680581353,
                        "volatility": 0.05999389210736036
                    }
                },
                "ranking": 16.150354477783242,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 114,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 14400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16240,
                "name": "MBA 48P 49AD",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 43,
                "icon": "https://user-uploads.online-go.com/857b07f395f816e1a97388d7afa286d2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-11T02:07:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-03-11T02:07:44.761515Z",
            "ended": "2026-03-11T11:09:24.189967Z",
            "start_waiting": "2026-03-11T02:07:44.641849Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/857b07f395f816e1a97388d7afa286d2-15.png",
            "player_count": 5,
            "ranked": false
        },
        {
            "id": 138164,
            "name": "GAMBATE 08",
            "director": {
                "id": 775143,
                "username": "c16896",
                "country": "pe",
                "icon": "https://user-uploads.online-go.com/00f634cd07ddcbcdfcdd7eb157515147-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1054.7275486904118,
                        "deviation": 90.80601680581353,
                        "volatility": 0.05999389210736036
                    }
                },
                "ranking": 16.150354477783242,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 114,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 14400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16240,
                "name": "MBA 48P 49AD",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 43,
                "icon": "https://user-uploads.online-go.com/857b07f395f816e1a97388d7afa286d2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-11T02:50:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-03-11T02:50:44.788709Z",
            "ended": "2026-03-11T03:27:28.082568Z",
            "start_waiting": "2026-03-11T02:50:44.646641Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/857b07f395f816e1a97388d7afa286d2-15.png",
            "player_count": 4,
            "ranked": false
        },
        {
            "id": 138161,
            "name": "GAMBATE 05",
            "director": {
                "id": 775143,
                "username": "c16896",
                "country": "pe",
                "icon": "https://user-uploads.online-go.com/00f634cd07ddcbcdfcdd7eb157515147-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1054.7275486904118,
                        "deviation": 90.80601680581353,
                        "volatility": 0.05999389210736036
                    }
                },
                "ranking": 16.150354477783242,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 114,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 14400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16240,
                "name": "MBA 48P 49AD",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 43,
                "icon": "https://user-uploads.online-go.com/857b07f395f816e1a97388d7afa286d2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-11T02:24:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-03-11T02:24:44.835772Z",
            "ended": "2026-03-11T15:33:27.928684Z",
            "start_waiting": "2026-03-11T02:24:44.649810Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/857b07f395f816e1a97388d7afa286d2-15.png",
            "player_count": 6,
            "ranked": false
        },
        {
            "id": 37224,
            "name": "Sind sie zu stark, bist du zu schwach. Fischerman's Friends.",
            "director": {
                "id": 522816,
                "username": "RufusGoldstreiff",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/4ff1a2b835bdb6c41c4679349208dc90?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1153.4641900213853,
                        "deviation": 64.81230610804766,
                        "volatility": 0.06007891407607496
                    }
                },
                "ranking": 18.221984723465166,
                "professional": false,
                "ui_class": ""
            },
            "description": "Turnieri",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 30,
                "max_time": 30,
                "time_increment": 10,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2321,
                "name": "Schulis Beginner Tournaments",
                "summary": "A group of brothers playing each other, but hosting public tournaments as well. Beginner level!",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-05-13T12:40:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-05-13T12:40:27.578133Z",
            "ended": "2018-05-13T13:12:50.992558Z",
            "start_waiting": "2018-05-13T12:40:26.752845Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 127087,
            "name": "1776s open tournaments 0.0006",
            "director": {
                "id": 1436588,
                "username": "Arrow A6 anti-",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 588.6751839572613,
                        "deviation": 80.73457404236709,
                        "volatility": 0.0636275307525229
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "A Tournament series",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "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": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 496,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-08T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-08T08:00:14.332141Z",
            "ended": "2026-03-03T00:19:48.408684Z",
            "start_waiting": "2025-04-08T08:00:14.208833Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 111289,
            "name": "DDK playground II, fast correspondence.",
            "director": {
                "id": 1081052,
                "username": "Malakia",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/c79fd56979d8c75717ce4a3094a39e8e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.9885935446694,
                        "deviation": 65.86626184996788,
                        "volatility": 0.059965440240615196
                    }
                },
                "ranking": 24.761640415537734,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast correspondence game, for DDK players.",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 432000
            },
            "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": 3652,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-01-18T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-10T07:16:28.154476Z",
            "ended": "2025-10-20T10:02:19.546265Z",
            "start_waiting": "2024-01-10T07:16:27.823518Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 113402,
            "name": "19x19 Open League #47",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.9261925911521,
                        "deviation": 69.59599630709448,
                        "volatility": 0.0602068047357829
                    }
                },
                "ranking": 21.999808315401925,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 70,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-17T22:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-15T20:50:47.920626Z",
            "ended": "2024-07-26T04:03:36.352558Z",
            "start_waiting": "2024-03-15T20:50:47.173509Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 116442,
            "name": "World Association2",
            "director": {
                "id": 1430197,
                "username": "deleted-d13910fe-e5a4-4040-93d7-d0668f5ae4d4",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/927e69cecbf365e2078395ee98e817f3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 875.5175656976088,
                        "deviation": 135.16783669189448,
                        "volatility": 0.06004585505058601
                    }
                },
                "ranking": 11.839302451557224,
                "professional": false,
                "ui_class": ""
            },
            "description": "World Association!World Association!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 609587,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 604800,
                "period_time": 604800,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13633,
                "name": "World Association",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-05-26T06:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-26T05:12:24.551418Z",
            "ended": "2024-05-26T05:44:46.916378Z",
            "start_waiting": "2024-05-26T05:12:24.485900Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 100584,
            "name": "Ranked Mode",
            "director": {
                "id": 1035316,
                "username": "KoreaAlphaZero",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/6bca86ee91a1431a7292c1b3aa326d4d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2103.1586210706237,
                        "deviation": 77.02247323636563,
                        "volatility": 0.06006780525011338
                    }
                },
                "ranking": 32.12750833669386,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fight",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 3714,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 14400,
                "period_time": 3600,
                "periods": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12925,
                "name": "OGS [Korea]",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/fb5b366e11c08f76835a6454da5ff087-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-28T03:30:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-26T12:49:25.834706Z",
            "ended": "2024-08-01T08:04:03.099274Z",
            "start_waiting": "2024-07-26T12:49:25.609419Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fb5b366e11c08f76835a6454da5ff087-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}