List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=1517
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59739,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=1518",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=1516",
    "results": [
        {
            "id": 85680,
            "name": "1. ทดลองเล่น แบบ Swiss System",
            "director": {
                "id": 1010331,
                "username": "PomSii",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/aa13948ef4fee733d9d956be746af4af?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1528.2940953430661,
                        "deviation": 69.12209408595301,
                        "volatility": 0.060086127774657355
                    }
                },
                "ranking": 24.735987039854813,
                "professional": false,
                "ui_class": ""
            },
            "description": "กระดาน 9x9\n\nเวลาแข่งขันหลัก คนละ 2 นาที เมื่อหมดเวลาแข่งขันหลัก 2 นาที\n\nหมากที่จะเดินต่อไป ใช้เวลาในการเดิน 10 วินาที ได้ไม่เกิน 5 ครั้ง\n\nถ้าเกินเวลาเวลา 10 วินาที 5 ครั้ง ระบบจะปรับแพ้ทันที",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 150,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7652,
                "name": "PAT GO Club",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 122,
                "icon": "https://user-uploads.online-go.com/599802ad71f71b04087dc460aefa8947-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-02-04T02:05:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-02-04T02:02:26.663022Z",
            "ended": "2022-02-04T02:43:58.909752Z",
            "start_waiting": "2022-02-04T02:02:25.735021Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/599802ad71f71b04087dc460aefa8947-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 49710,
            "name": "Fast Cor. 9x9 10player R-Robin. Starts when full. Jul'19fB",
            "director": {
                "id": 497519,
                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
                "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.954785564748,
                        "deviation": 61.40997215047312,
                        "volatility": 0.060088015249815864
                    }
                },
                "ranking": 25.432209892698047,
                "professional": false,
                "ui_class": ""
            },
            "description": "---\n- STARTS WHEN FULL & Does NOT pause on the weekend.\n\n- Just one round. Ten players, nine games, Chinese Rules/Scoring.\n\n- If this suits you then, Bonne Partie. :)\n\n- This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the games for your opponents (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "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": 822,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-07-08T13:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-07-10T03:25:34.951827Z",
            "ended": "2019-08-06T04:57:20.845344Z",
            "start_waiting": "2019-07-10T03:25:26.927088Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 127836,
            "name": "Tournament 1 of the series",
            "director": {
                "id": 1310334,
                "username": "PilotClem",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/b00190484ad187723ff8143c2edb8b34-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1149.0578619384216,
                        "deviation": 61.234712987984565,
                        "volatility": 0.059912247963478785
                    }
                },
                "ranking": 18.13338047356629,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament is made for people to learn from each other, and to develop their senses of the game. It is also the first of the series, I will be hosting multiple tournaments. \n\nPlease join my groupe\nThank you,\nHave fun",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15283,
                "name": "Tournaments and games",
                "summary": "Please feel free to create your own tournament or game, and to have fun. The purpose of this group is for you guys to have fun, to learn and to gain experience. If you wish you can create reviews, you can share a game, or a impressive move you made.😁\n\nI am",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 25,
                "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-29T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-29T09:00:48.144226Z",
            "ended": "2025-04-29T09:31:43.077109Z",
            "start_waiting": "2025-04-29T09:00:48.055450Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 39634,
            "name": "Suicide Go Tournament",
            "director": {
                "id": 512396,
                "username": "gnozo",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/9eade3f961b2841342ad0c6a40b554ca-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1158.3789267840134,
                        "deviation": 67.68401689188295,
                        "volatility": 0.05998217493485402
                    }
                },
                "ranking": 18.320413831071487,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament focuses on Suicide-Go, which is an alternate rule.\nContact me or hekla for more information.\nCheck out our homepage : https://miraclego.wordpress.com/",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "total_time": 1200,
                "time_control": "absolute",
                "speed": "live",
                "system": "absolute",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2400,
                "name": "Suicide Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-25T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-25T03:00:52.907049Z",
            "ended": "2018-11-25T04:00:57.806154Z",
            "start_waiting": "2018-11-25T03:00:51.786875Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 19,
            "ranked": true
        },
        {
            "id": 105806,
            "name": "restart!",
            "director": {
                "id": 825888,
                "username": "govienna",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/b6cdb93a887689648e90bcbf2a4f3d61-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1175.8413205726342,
                        "deviation": 63.77584677942615,
                        "volatility": 0.05997966877570205
                    }
                },
                "ranking": 18.66679242016304,
                "professional": false,
                "ui_class": ""
            },
            "description": "lets play again!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 7785,
                "name": "Students of r42",
                "summary": "Group for players who are or have been playing teaching games with richyfourtytwo.\n\nI will review all ladder or tournament games within this group.\n\nPlaying is the best way to learn in the beginning, so join (at least) the 9x9 ladder and challenge each oth",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-29T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-29T06:00:51.109205Z",
            "ended": "2023-12-18T03:41:38.888915Z",
            "start_waiting": "2023-07-29T06:00:50.990983Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 76170,
            "name": "Hello",
            "director": {
                "id": 1006295,
                "username": "yahya.farooq",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/fb89bc783cfc1cd4e0dea3c4dc0fb6f3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1458.2818089827515,
                        "deviation": 309.82133189903516,
                        "volatility": 0.059999325778501
                    }
                },
                "ranking": 23.650408453653824,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Hello",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9418,
                "name": "Test for go",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-11T00:34:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-12T20:29:34.735245Z",
            "ended": "2021-06-24T03:56:51.625262Z",
            "start_waiting": "2021-06-12T20:29:34.614327Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72832,
            "name": "9x9 Double Elimination - April 2021",
            "director": {
                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0554496406809,
                        "deviation": 84.91308607572303,
                        "volatility": 0.076882078105041
                    }
                },
                "ranking": 15.194279748149173,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone is welcome",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 359,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-01T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-01T14:00:20.843324Z",
            "ended": "2021-11-10T07:19:11.208127Z",
            "start_waiting": "2021-04-01T14:00:20.352788Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 123229,
            "name": "12/14/2024 First Week tournament",
            "director": {
                "id": 1571128,
                "username": "ArsaArsa",
                "country": "tn",
                "icon": "https://user-uploads.online-go.com/d86f9b11bccfadc4ba384f1aa6854449-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 962.3704045101862,
                        "deviation": 64.8518535872202,
                        "volatility": 0.06017732654607431
                    }
                },
                "ranking": 14.028926618799872,
                "professional": false,
                "ui_class": ""
            },
            "description": "Live 19×19 Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 102,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1500,
                "period_time": 90,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14869,
                "name": "ArsaArsa's teaching group",
                "summary": "\"To Study the self is to forget the self;To forget the self is to be actualized by Myriad things.\" -Dougen Zenji.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/5e0a23f1599bfcc33fb1287c0620456e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-14T19:05:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-14T19:05:54.034766Z",
            "ended": "2024-12-14T20:33:22.083814Z",
            "start_waiting": "2024-12-14T19:05:53.959853Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5e0a23f1599bfcc33fb1287c0620456e-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 103326,
            "name": "OST - Olympic System Tournament",
            "director": {
                "id": 1033608,
                "username": "NetCat",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1406.6650193080409,
                        "deviation": 70.55993802829255,
                        "volatility": 0.06003444046653894
                    }
                },
                "ranking": 22.81614654991628,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11969,
                "name": "OST GO",
                "summary": "For Olympic tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 54,
                "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-17T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-17T14:00:26.679212Z",
            "ended": "2024-04-30T10:25:02.313918Z",
            "start_waiting": "2023-06-17T14:00:26.509819Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 102761,
            "name": "19x19 Open League #14",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1266.3339545161286,
                        "deviation": 69.11401413075777,
                        "volatility": 0.0602108012162927
                    }
                },
                "ranking": 20.383183590549244,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-05-07T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-07T22:42:57.322577Z",
            "ended": "2023-10-28T05:49:22.523859Z",
            "start_waiting": "2023-05-07T22:42:56.715370Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}