List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=456
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60255,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=457",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=455",
    "results": [
        {
            "id": 47681,
            "name": "Great King Of Stones 2019",
            "director": {
                "id": 87790,
                "username": "WiseBear",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1104.0021061102002,
                        "deviation": 62.08308547890164,
                        "volatility": 0.06028822213904829
                    }
                },
                "ranking": 17.207368885691388,
                "professional": false,
                "ui_class": ""
            },
            "description": "The main annual tournament in the Game Of Stones group. Who will win the crown and be named the Great King Of Stones? Perhaps it will be you?",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3516,
                "name": "Game Of Stones",
                "summary": "This group is no longer operated.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 143,
                "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-05-21T02:00:00Z",
            "players_start": 12,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-05-21T02:00:47.622530Z",
            "ended": "2020-06-22T12:30:14.127997Z",
            "start_waiting": "2019-05-21T02:00:46.401970Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 38105,
            "name": "Tiny board tourny!",
            "director": {
                "id": 542444,
                "username": "Gooplet",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/51435bc93464aa513212e5d490a99229-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1699.4460493097738,
                        "deviation": 66.2357787946769,
                        "volatility": 0.05996063286895244
                    }
                },
                "ranking": 27.193364207236908,
                "professional": false,
                "ui_class": "supporter aga"
            },
            "description": "9x9 games: friendly tournament! Have fun, be polite, play nice. No fistfighting.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 8919,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-06-13T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 24,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-06-14T10:45:59.384952Z",
            "ended": "2018-06-19T13:40:13.376980Z",
            "start_waiting": "2018-06-14T10:45:59.127819Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 90875,
            "name": "9x9 Open League #34",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1325.0529908848616,
                        "deviation": 70.58676374549262,
                        "volatility": 0.06023746882442591
                    }
                },
                "ranking": 21.43248918766429,
                "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/10842",
            "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": false,
                "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": 713,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-12T20:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-06-10T08:56:13.102651Z",
            "ended": "2022-08-27T22:24:41.614175Z",
            "start_waiting": "2022-06-10T08:56:12.456350Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 114298,
            "name": "Big Four Nummer 2",
            "director": {
                "id": 1376960,
                "username": "fancyTank",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6fa347ee5c999a554ac49b2ff6273910?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 708.0834023028157,
                        "deviation": 63.417236435422495,
                        "volatility": 0.06004413904725901
                    }
                },
                "ranking": 6.925637896224379,
                "professional": false,
                "ui_class": ""
            },
            "description": "Consultant Clash",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 40,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6757,
                "name": "If you die in an elevator, make sure you press the up button",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-27T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-03-27T19:06:54.030088Z",
            "ended": "2024-03-27T19:44:00.145821Z",
            "start_waiting": "2024-03-27T19:06:53.920063Z",
            "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": 113085,
            "name": "☆★Kyu Level Match★☆ 19x19 (Ranking)#1",
            "director": {
                "id": 1517595,
                "username": "deleted-c450503a-a3ed-4365-a208-e1dda8262208",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/3b8d49e36d3ae7ecf441bd4510b0cbc4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1174.1092143440676,
                        "deviation": 67.30388423481288,
                        "volatility": 0.060036122662211824
                    }
                },
                "ranking": 18.63266551761154,
                "professional": false,
                "ui_class": ""
            },
            "description": "여러분의 관심이 필요합니다",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 172800,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 351,
                "name": "Fight Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 369,
                "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-01T04:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-23T13:09:17.362125Z",
            "ended": "2024-04-12T04:55:28.842694Z",
            "start_waiting": "2024-02-23T13:09:16.990717Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 101290,
            "name": "駱皓希 岑老師",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "駱皓希 岑老師",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 27,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-19T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-03-19T07:42:27.702570Z",
            "ended": "2023-03-19T08:18:09.440270Z",
            "start_waiting": "2023-03-19T07:42:27.651855Z",
            "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": 99382,
            "name": "9x9 Open D.E. Cup #63",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1325.0529908848616,
                        "deviation": 70.58676374549262,
                        "volatility": 0.06023746882442591
                    }
                },
                "ranking": 21.43248918766429,
                "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": 713,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-29T20:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-28T12:11:56.118694Z",
            "ended": "2023-05-16T21:44:55.637690Z",
            "start_waiting": "2023-01-28T12:11:55.963483Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 132547,
            "name": "15k-10k Fast Correspondence Round-Robin #4",
            "director": {
                "id": 1408189,
                "username": "msaari",
                "country": "fi",
                "icon": "https://user-uploads.online-go.com/d84f8843f1ada4bb45291df34e84950f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 988.8943992786072,
                        "deviation": 62.67729136359411,
                        "volatility": 0.05974368983835584
                    }
                },
                "ranking": 14.658332019076823,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast round-robin tournament for high-end DDK players (15k to 10k). No handicaps, NZ rules, Fischer time with 2-day main time and 12 hours per move.\n\nShort vacations are allowed.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 44568,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 172800
            },
            "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": 826,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-09-26T04:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-09-20T17:21:11.280289Z",
            "ended": "2025-11-20T10:05:21.862614Z",
            "start_waiting": "2025-09-20T17:21:10.267422Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 132531,
            "name": "19x19 Open D.E. Cup #134",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1325.0529908848616,
                        "deviation": 70.58676374549262,
                        "volatility": 0.06023746882442591
                    }
                },
                "ranking": 21.43248918766429,
                "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": 79,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-09-28T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-09-25T19:31:04.331434Z",
            "ended": null,
            "start_waiting": "2025-09-25T19:31:04.102461Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 91648,
            "name": "黃穎兒Silvia 黃星澄Sofie",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "黃穎兒Silvia\n黃星澄Sofie",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7530,
                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-24T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-06-24T07:48:30.324113Z",
            "ended": "2022-06-24T08:05:13.715083Z",
            "start_waiting": "2022-06-24T07:48:30.264714Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}