List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5452
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60028,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5453",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5451",
    "results": [
        {
            "id": 83946,
            "name": "Correspondence19×19Round Robin20211225for kyu",
            "director": {
                "id": 782501,
                "username": "マンジュリカ",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/fbeb691b3d1b4b41a890cb9b89b59bc6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1613.1492347649423,
                        "deviation": 66.21889845362597,
                        "volatility": 0.05849840812884101
                    }
                },
                "ranking": 25.986924418598104,
                "professional": false,
                "ui_class": ""
            },
            "description": "kyu level\n\nno vacation",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2214,
                "name": "Dogs fun",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-25T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-24T10:18:28.265104Z",
            "ended": "2022-03-22T17:30:48.826861Z",
            "start_waiting": "2021-12-24T10:18:27.271010Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 92811,
            "name": "17th SDK DDK Ultra Fast Handicap",
            "director": {
                "id": 886972,
                "username": "Babbo Bruno",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1023.2416118750762,
                        "deviation": 64.67977078308544,
                        "volatility": 0.05978954234238058
                    }
                },
                "ranking": 15.448750968227035,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Please note very aggressive time requirement, you must average 6 plays per day. Use conditional plays to help.\nThis is a Handicap tournament, so get ready to fight.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-07-31T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-07-31T10:31:46.668278Z",
            "ended": "2022-11-04T21:03:22.448505Z",
            "start_waiting": "2022-07-31T10:31:46.500762Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 106138,
            "name": "September 2023 9x9 A League Correspondence (SDK)",
            "director": {
                "id": 1162525,
                "username": "ants",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/112db88f312658e329b4c4730bb7be3b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17448,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11630,
                "name": "SDK Proving Grounds (Single Digit Kyu)",
                "summary": "The Official SDK Proving Grounds. This group spawned from the DDK Proving Grounds (Double Digit Kyu) group, & it's popularity. Here, SDK's can play against other SDK's (or Dan players that haven’t established a solid foothold in Dan land yet). If you get s",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 101,
                "icon": "https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-01T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 25,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-09-01T19:00:11.512696Z",
            "ended": "2023-09-20T01:29:55.801772Z",
            "start_waiting": "2023-09-01T19:00:11.444210Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 83369,
            "name": "9x9 Mini League 1k-9k #2",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1330.102390589312,
                        "deviation": 70.60115236712406,
                        "volatility": 0.060226788274447
                    }
                },
                "ranking": 21.5205395856883,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10752",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-12T21:15:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-12T17:39:41.555291Z",
            "ended": "2022-01-06T17:43:47.402200Z",
            "start_waiting": "2021-12-12T17:39:41.322537Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 106763,
            "name": "Viva l'estate",
            "director": {
                "id": 1055696,
                "username": "deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/c176d6849a1892b9017c85f548813837-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1520.9618235200285,
                        "deviation": 65.86233200519976,
                        "volatility": 0.05999729225859075
                    }
                },
                "ranking": 24.624653373951272,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 362,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-09-01T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 20,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-09-01T07:00:10.855581Z",
            "ended": "2023-10-15T14:00:11.216790Z",
            "start_waiting": "2023-09-01T07:00:10.601813Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 712,
            "name": "vbhands's 13-I",
            "director": {
                "id": 13157,
                "username": "vbhands",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/9193f9c0c650ede8fabc0042fae377a2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1963.0393408382492,
                        "deviation": 69.37252577087732,
                        "volatility": 0.059975169375367274
                    }
                },
                "ranking": 30.531400017194475,
                "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": false,
            "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": 385,
                "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": 9,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-03-11T01:49:40Z",
            "ended": "2009-03-11T00:49:40Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 127448,
            "name": "N9  ტურნირი",
            "director": {
                "id": 1459143,
                "username": "Gochadvalii",
                "country": "ge",
                "icon": "https://secure.gravatar.com/avatar/91b1714ddc9099ef33e2e3b50fad9a7a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 851.2230886670213,
                        "deviation": 61.65453633314708,
                        "volatility": 0.05997273424139829
                    }
                },
                "ranking": 11.18783894791891,
                "professional": false,
                "ui_class": ""
            },
            "description": "turniri 9 saaatzea",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 4
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15109,
                "name": "გო ქუთაისში",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 37,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-13T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-13T17:00:15.032022Z",
            "ended": "2025-04-13T17:57:46.451784Z",
            "start_waiting": "2025-04-13T17:00:14.943527Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 74526,
            "name": "แข่งขันวันสิ้นโลก555 ครั้งที่3 9x9",
            "director": {
                "id": 750170,
                "username": "keixdggez",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/0a3ec7b947dd7dbbb7d256d5732f4a62-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1222.8137714598254,
                        "deviation": 64.2164526140808,
                        "volatility": 0.06035737450097156
                    }
                },
                "ranking": 19.573593299140708,
                "professional": false,
                "ui_class": ""
            },
            "description": "เฉพาะปลาทูเท่านั้น",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 20,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4821,
                "name": "ST Maklom ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 34,
                "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-28T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-28T08:00:36.524890Z",
            "ended": "2021-04-28T08:10:13.877303Z",
            "start_waiting": "2021-04-28T08:00:36.401404Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 113889,
            "name": "9x9 Mini League 1k-9k #111",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1330.102390589312,
                        "deviation": 70.60115236712406,
                        "volatility": 0.060226788274447
                    }
                },
                "ranking": 21.5205395856883,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": true,
            "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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-24T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-23T17:08:49.328934Z",
            "ended": "2024-04-16T00:02:29.205855Z",
            "start_waiting": "2024-03-23T17:08:49.161733Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 103602,
            "name": "To each their own sdk #1",
            "director": {
                "id": 1186160,
                "username": "hanzpk",
                "country": "id",
                "icon": "https://secure.gravatar.com/avatar/9245cc93e872b1d6469e9924bdfc1000?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1099.1868419962555,
                        "deviation": 67.5807259463736,
                        "volatility": 0.059982893227010815
                    }
                },
                "ranking": 17.106175983621572,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tired of being laid waste by dan?",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-01T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 20,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-01T13:00:59.345309Z",
            "ended": "2024-02-10T07:40:10.817988Z",
            "start_waiting": "2023-06-01T13:00:59.183173Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}