List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=775
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59132,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=776",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=774",
    "results": [
        {
            "id": 87267,
            "name": "OPP Tornument | March 2022",
            "director": {
                "id": 1121286,
                "username": "RS2",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/a9c1b24db971e934ca83cb3307459502-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1517.2693029323782,
                        "deviation": 152.14314621192983,
                        "volatility": 0.05999694138770983
                    }
                },
                "ranking": 24.568382543896405,
                "professional": false,
                "ui_class": ""
            },
            "description": "OPP Tornument | March 2022",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "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": 10313,
                "name": "2022-2023 ( 上學期 ) 培僑書院 初級進階A",
                "summary": "上課時間 : 17/10、31/10、7/11、21/11、28/11、5/12、12/12、19/12、16/1.\n\n星期一 4:00-5:00PM ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-21T08:31:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-03-21T08:31:09.137628Z",
            "ended": "2022-03-28T08:58:08.312785Z",
            "start_waiting": "2022-03-21T08:31:08.954612Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 2019,
            "name": "oppala's mini-tournament",
            "director": {
                "id": 42206,
                "username": "oppala",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/62949ffe863d96e598168cc3125ee5a0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1729.1999410919664,
                        "deviation": 63.633997904127234,
                        "volatility": 0.05996400647515056
                    }
                },
                "ranking": 27.59516706953017,
                "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": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-15T22:52:36Z",
            "ended": "2012-12-15T21:52:36Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1725,
            "name": "Opicka's mini-tournament",
            "director": {
                "id": 31740,
                "username": "Opicka",
                "country": "cz",
                "icon": "https://secure.gravatar.com/avatar/ff6de8416f9ef6ed4f3c10d3ee0e52c9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1504.3311054763062,
                        "deviation": 65.9857385111983,
                        "volatility": 0.0599801476970245
                    }
                },
                "ranking": 24.370129260090035,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-03-15T06:32:21Z",
            "ended": "2012-03-15T05:32:21Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1248,
            "name": "Opicka's mini-tournament",
            "director": {
                "id": 31740,
                "username": "Opicka",
                "country": "cz",
                "icon": "https://secure.gravatar.com/avatar/ff6de8416f9ef6ed4f3c10d3ee0e52c9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1504.3311054763062,
                        "deviation": 65.9857385111983,
                        "volatility": 0.0599801476970245
                    }
                },
                "ranking": 24.370129260090035,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-08-22T15:49:57Z",
            "ended": "2010-08-22T13:49:57Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1359,
            "name": "Opicka's mini-tournament",
            "director": {
                "id": 31740,
                "username": "Opicka",
                "country": "cz",
                "icon": "https://secure.gravatar.com/avatar/ff6de8416f9ef6ed4f3c10d3ee0e52c9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1504.3311054763062,
                        "deviation": 65.9857385111983,
                        "volatility": 0.0599801476970245
                    }
                },
                "ranking": 24.370129260090035,
                "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": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-02-05T17:14:19Z",
            "ended": "2011-02-05T16:14:19Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1342,
            "name": "Opicka's mini-tournament",
            "director": {
                "id": 31740,
                "username": "Opicka",
                "country": "cz",
                "icon": "https://secure.gravatar.com/avatar/ff6de8416f9ef6ed4f3c10d3ee0e52c9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1504.3311054763062,
                        "deviation": 65.9857385111983,
                        "volatility": 0.0599801476970245
                    }
                },
                "ranking": 24.370129260090035,
                "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": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-01-06T00:50:20Z",
            "ended": "2011-01-05T23:50:20Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1945,
            "name": "opex's mini-tournament",
            "director": {
                "id": 870,
                "username": "opex",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/e059138473f928fc41580483a7c2736a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1401.506145003007,
                        "deviation": 63.91043603773482,
                        "volatility": 0.05978007916330174
                    }
                },
                "ranking": 22.731089003544017,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "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": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 7,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-02T20:20:50Z",
            "ended": "2012-12-02T19:20:50Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 27343,
            "name": "Open Tournament Age Free Hi 1 Rank - Low 25s Korean-Rule",
            "director": {
                "id": 443303,
                "username": "TheMogulGamer",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/fb941482d787c6d6a3af86502fca96fc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1319.199139409236,
                        "deviation": 61.611025381264206,
                        "volatility": 0.05991546430391675
                    }
                },
                "ranking": 21.329989973240455,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is double elimination \n 19 by 19 game\n time control with byomi\n\n main 30seconds\n with blitz\n 3 periods by 10x",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 10,
            "time_control_parameters": {
                "period_time": 10,
                "main_time": 30,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 3,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1588,
                "name": "KAD Gamings",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-05-22T12:45:00Z",
            "players_start": 1,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-22T12:45:55.643742Z",
            "ended": "2017-05-22T12:59:32.284088Z",
            "start_waiting": "2017-05-22T12:45:55.479288Z",
            "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": 135874,
            "name": "Open Tournament 2",
            "director": {
                "id": 1926369,
                "username": "kyliewee02",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/ca62c83151453f1e19f9b6e5f28f3f48-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 853.5207502480254,
                        "deviation": 191.50108756903205,
                        "volatility": 0.05999789771946924
                    }
                },
                "ranking": 11.25024233849819,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Anyone wants to be challenged by a noob player? Anyone can join this tournament! Contact me if you want to join my group. ~Destroyer802",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 604800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16022,
                "name": "ChatRoom404",
                "summary": "This is just a group. Do whatever you like here! It is also alright if you want to just join this group and chat. ~Destroyer802 😝",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-01T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-01T09:00:46.047541Z",
            "ended": "2026-01-10T12:41:14.579574Z",
            "start_waiting": "2026-01-01T09:00:45.998040Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-15.png",
            "player_count": 3,
            "ranked": false
        },
        {
            "id": 71742,
            "name": "Open tournament 2",
            "director": {
                "id": 736023,
                "username": "2025vs",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1536.529914735449,
                        "deviation": 63.18073597410369,
                        "volatility": 0.06031088735864471
                    }
                },
                "ranking": 24.86040506661975,
                "professional": false,
                "ui_class": ""
            },
            "description": "an open tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 432000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 432000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 192,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-03-31T05:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-31T05:00:53.779315Z",
            "ended": "2021-08-23T04:39:32.996227Z",
            "start_waiting": "2021-03-31T05:00:52.770703Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 27,
            "ranked": true
        }
    ]
}