List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4714
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60407,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4715",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4713",
    "results": [
        {
            "id": 34418,
            "name": "Show yourselves",
            "director": {
                "id": 431917,
                "username": "jkp",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/61f8bc121cdb3d46f9f0f68ab8875974-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1133.1160219614135,
                        "deviation": 60.44939350118458,
                        "volatility": 0.05984066060549196
                    }
                },
                "ranking": 17.80995235885462,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Who have we got in here?",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 941,
                "name": "Spotify",
                "summary": "A group for Spotify employees.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/31bca5d2c8c4d02a27d57767621e160b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-02-09T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-02-12T19:58:18.982648Z",
            "ended": "2018-03-16T11:15:09.018271Z",
            "start_waiting": "2018-02-12T19:58:18.489302Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/31bca5d2c8c4d02a27d57767621e160b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 31968,
            "name": "Первый Спутник Турнир",
            "director": {
                "id": 163488,
                "username": "AlexanderLyabah",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/196c37972832acb557fb9b38b18d41f7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1221.4742243400144,
                        "deviation": 68.8865757210094,
                        "volatility": 0.05996641818037213
                    }
                },
                "ranking": 19.54821943241022,
                "professional": false,
                "ui_class": ""
            },
            "description": "можно книжки,\nнельзя ИИ,\nАйФоны не разыгрываются.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1943,
                "name": "Супутник - київський клуб ґо / Suputnyk Kyiv Go Club",
                "summary": "Навчання та спілкування!\nВідкриті для дітей та дорослих. Всі, хто цікавиться ґо - приходьте.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 30,
                "icon": "https://user-uploads.online-go.com/514d71d1d9a7e4b4f8a69963d64cad53-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-11-20T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-11-20T12:00:22.176074Z",
            "ended": "2018-03-17T15:03:00.087336Z",
            "start_waiting": "2017-11-20T12:00:21.911718Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/514d71d1d9a7e4b4f8a69963d64cad53-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 102561,
            "name": "Elimanation tournament",
            "director": {
                "id": 1333360,
                "username": "1wuryd",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/09df0c62018124939bfa3b81283f554c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1127.6000700937311,
                        "deviation": 162.59080438930707,
                        "volatility": 0.0600029206577095
                    }
                },
                "ranking": 17.696984136456305,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Tournament for begginers",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 90,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18073,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-29T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-26T07:28:16.966789Z",
            "ended": "2024-11-26T08:02:06.020638Z",
            "start_waiting": "2024-11-26T07:28:16.895701Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 118401,
            "name": "Handicap Arena 2024 - 056",
            "director": {
                "id": 2408,
                "username": "richyfourtytwo",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1550.4185671235334,
                        "deviation": 65.85588179594849,
                        "volatility": 0.05973340191172436
                    }
                },
                "ranking": 25.0687172390828,
                "professional": false,
                "ui_class": ""
            },
            "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": true,
            "group": {
                "id": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 108,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-07-26T05:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-26T03:30:41.655169Z",
            "ended": "2024-09-20T13:47:46.688497Z",
            "start_waiting": "2024-07-26T03:30:41.466725Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 119886,
            "name": "9x9 New Zealand 25k-10k League #17",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "nz",
            "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": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 79,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-17T03:09:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-16T17:52:14.606293Z",
            "ended": "2024-09-29T12:21:43.527000Z",
            "start_waiting": "2024-09-16T17:52:14.463873Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 99875,
            "name": "Fast tourney. 1 move per day for DDKs",
            "director": {
                "id": 957016,
                "username": "deleted-9afdcef8-6ee9-44d0-b3e7-c68dbed55a1c",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/05c3b73b3b41c7c1a2c658710bebad43-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1302.7319708466093,
                        "deviation": 62.07498285390118,
                        "volatility": 0.05975820517321376
                    }
                },
                "ranking": 21.039196700120364,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast tourney with 1 move per day time limit",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 86400
            },
            "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": 8929,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-13T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-13T15:56:29.723831Z",
            "ended": "2023-03-25T11:53:41.265452Z",
            "start_waiting": "2023-02-13T15:56:29.473727Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 99715,
            "name": "4th Trying for SDK, fast round robin",
            "director": {
                "id": 886972,
                "username": "Babbo Bruno",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0587490027268,
                        "deviation": 64.04727555255688,
                        "volatility": 0.05978683928939723
                    }
                },
                "ranking": 15.194355218427889,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "For those of us trying to move from DDK to SDK.\nPlease note you must average at least 4 plays per day.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23651,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 21600,
                "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": 832,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-11T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 17,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-11T16:00:13.721588Z",
            "ended": "2023-03-25T18:57:07.362024Z",
            "start_waiting": "2023-02-11T16:00:12.944401Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 98272,
            "name": "19×19(ハンディ自由)",
            "director": {
                "id": 416935,
                "username": "Audrey07",
                "country": "_ASEAN",
                "icon": "https://user-uploads.online-go.com/493d6f2deebf947520f58c0b4bad165c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1818.1667193178046,
                        "deviation": 72.28392295185553,
                        "volatility": 0.060090579313919736
                    }
                },
                "ranking": 28.75659924984869,
                "professional": false,
                "ui_class": ""
            },
            "description": "置石は自由にどうぞ(中国式)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 174851,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 172800,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7987,
                "name": "山梨囲碁愛好会",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/af728d654619df354932eabe96a35364-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-31T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-28T16:48:49.341494Z",
            "ended": "2024-12-23T13:47:03.818945Z",
            "start_waiting": "2022-12-28T16:48:49.150761Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/af728d654619df354932eabe96a35364-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 16147,
            "name": "Polish Group Tournament - April 2016",
            "director": {
                "id": 117423,
                "username": "PawelD",
                "country": "pl",
                "icon": "https://secure.gravatar.com/avatar/fd36ab1329312b56976df28231035546?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1624.8355965295718,
                        "deviation": 70.07010249253263,
                        "volatility": 0.05946771981146978
                    }
                },
                "ranking": 26.154028629168607,
                "professional": false,
                "ui_class": ""
            },
            "description": "Polish Group Tournament - April 2016",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7,
                "name": "Polish Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 458,
                "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-04-15T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-04-15T10:00:15.293731Z",
            "ended": "2016-07-07T00:00:09.119447Z",
            "start_waiting": "2016-04-15T10:00:15.202578Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 128080,
            "name": "13x13 Mini League 15k-5k #2",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1062.034995039414,
                        "deviation": 66.56893126321066,
                        "volatility": 0.06002437483027117
                    }
                },
                "ranking": 16.31019106928526,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 61,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-05-09T10:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-05-07T17:01:32.651648Z",
            "ended": "2025-06-12T08:38:43.921131Z",
            "start_waiting": "2025-05-07T17:01:32.503207Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        }
    ]
}