List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=rules&page=3
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59866,
    "next": "https://online-go.com/api/v1/tournaments/?ordering=rules&page=4",
    "previous": "https://online-go.com/api/v1/tournaments/?ordering=rules&page=2",
    "results": [
        {
            "id": 126995,
            "name": "1776s open tournaments 0.0004",
            "director": {
                "id": 1436588,
                "username": "Arrow A6 anti-",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 588.6751839572613,
                        "deviation": 80.73457404236709,
                        "volatility": 0.0636275307525229
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "A Tournament series",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "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": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 496,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-03T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-03T11:00:13.521932Z",
            "ended": "2026-02-14T10:48:05.756941Z",
            "start_waiting": "2025-04-03T11:00:13.399452Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 60485,
            "name": "Blitz Tournament 9x9",
            "director": {
                "id": 535250,
                "username": "andyzhou",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/105954f48a899e137f853a65860f7c7b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1833.216906846001,
                        "deviation": 66.41302235084261,
                        "volatility": 0.06012770521888711
                    }
                },
                "ranking": 28.94743858640182,
                "professional": false,
                "ui_class": ""
            },
            "description": "Blitz!!!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 5,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 5,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3665,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-14T00:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-19T17:24:37.427414Z",
            "ended": "2020-05-19T17:25:32.001847Z",
            "start_waiting": "2020-05-19T17:24:36.890900Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 8110,
            "name": "Open Tournament",
            "director": {
                "id": 103791,
                "username": "Ashurax",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1323.2452014190344,
                        "deviation": 61.103655008951236,
                        "volatility": 0.05992979294361819
                    }
                },
                "ranking": 21.400883734202964,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "First BIrmingham Club Tournament on OGS.\nAGA rules.\nEveryone is welcome to join.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 340,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 300,
                "main_time": 3600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 490,
                "name": "Birmingham Go Club",
                "summary": "We meet in the Friends of the Earth warehouse every Thursday from 6pm.\nFor more details check the facebook group https://www.facebook.com/groups/bhamgo\nIf anyone is passing by in Birmingham, England. please drop in and visit.\n\nFeel free to make tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-06-13T19:30:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-06-13T19:30:15.979552Z",
            "ended": "2015-06-13T23:56:24.950932Z",
            "start_waiting": "2015-06-13T19:30:15.868979Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 41954,
            "name": "New Years day 2k19 Go",
            "director": {
                "id": 503127,
                "username": "zombiewarrior88",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fb4e72418e490f4e6579d86b747db6f1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1214.311434818523,
                        "deviation": 86.67575938156371,
                        "volatility": 0.06001172103733663
                    }
                },
                "ranking": 19.412067012948505,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome to the New Years Day Go. I'm your host, zombiewarrior88. This tournament is for rookies and pros both young and old. Keep it friendly and, more importantly, have fun. Enjoy. :)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 10,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "live",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2979,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-02T01:00:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-01-02T01:00:33.466900Z",
            "ended": "2019-01-02T01:17:12.478907Z",
            "start_waiting": "2019-01-02T01:00:32.196220Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 126506,
            "name": "7 mouse's and cat's 🐭🐭🐭🐭🐭🐭🐭🐱 #3 Tournament",
            "director": {
                "id": 1436588,
                "username": "Arrow A6 anti-",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 588.6751839572613,
                        "deviation": 80.73457404236709,
                        "volatility": 0.0636275307525229
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<!--  <title>左对齐文本</title> -->\n\n  <style>\n    .left-align {\n    \n    \n      text-align: left;\n    }\n     \n      p {\n\n    margin: 0;\n\n    padding: 0;\n    }\n\n  </style>\n</head>\n<body>\n  <div class=\"left-align\">\n    <p><H2><I><a Href=\"https://online-go.com/group/13797\"><big><span  style=\"color:pink;\">W</big><span  style=\"color: orange;\">e</span><big><big><span  style=\"color: skyblue;\">l</span></big></big><span style=\"color: springgreen;\">C</span><span style=\"color:red;\">o</span><span  style=\"color: purple;\">m</span><span style=\"color:yellow;\">e</span> <big><big>j</big></big>o<big>i</big>n Us</I><br>\n     <a Href=\"https://online-go.com/group/13797\">\n     <span style=\"color: white;\">\n<!--     <IMG src=\"https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9682e94fbb47d2ccab4998f738b6b042-128.png\"></p>  -->     \n\n\n <P><IMG src=\"https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ad7ddd76dd6ca4fae6858121fc33beb3-128.png\"width=\"160\"height=\"160\" /></p>\n \n   <P><IMG src=\"https://media4.giphy.com/media/11JTxkrmq4bGE0/giphy.gif?cid=6c09b9525bmqpkj81egnar3ji8s1u8ysb75ohcn47y76avgg&ep=v1_internal_gif_by_id&rid=giphy.gif&ct=g\"width=\"160\"height=\"160\" /><IMG src=\"https://media.tenor.com/_Utilxgj8RUAAAAj/peach-goma-peach-and-goma.gif\"width=\"160\"height=\"160\" /></p> \n\n\n<!-- <P><IMG src=\"https://media1.tenor.com/m/LYZ3FOucgP4AAAAd/shinchan-mooning.gif\"width=\"160\"height=\"160\" /></p> -->\n\nWe enjoy playing Go\n\n</div>\n</body>\n</html>\n\n<hr />\n\n🐭🐭🐭🐭🐭🐭🐭🐱\n\nhttps://youtu.be/LN8_VOsL4Kw\nhttps://youtu.be/RyQKgJwx0mM",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 496,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-19T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-19T12:00:17.125766Z",
            "ended": "2025-03-31T18:27:34.564176Z",
            "start_waiting": "2025-03-19T12:00:17.040471Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 139150,
            "name": "Game of relax",
            "director": {
                "id": 1424564,
                "username": "AdamChen",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/35a206ed6425ec5e5972423128dca01b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1221.211678494236,
                        "deviation": 64.53459918552456,
                        "volatility": 0.060006415407960464
                    }
                },
                "ranking": 19.543242995328296,
                "professional": false,
                "ui_class": ""
            },
            "description": "plz join relax as it is unranked",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 63,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 420,
                "period_time": 60,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14633,
                "name": "THE  TOURNERMENT PLACE (FOR EVERYBODY !!!!!!)",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-11T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-12T10:17:35.265206Z",
            "ended": "2026-04-12T10:38:00.138632Z",
            "start_waiting": "2026-04-12T10:17:35.173133Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": false
        },
        {
            "id": 72093,
            "name": "Double Elimination Correspondence",
            "director": {
                "id": 948618,
                "username": "Cytotoxic",
                "country": "001",
                "icon": "https://secure.gravatar.com/avatar/93b831c6ff5897a3ddf5c94f8186165f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 941.3854831062848,
                        "deviation": 69.58805356584392,
                        "volatility": 0.05998000692685948
                    }
                },
                "ranking": 13.518545418402388,
                "professional": false,
                "ui_class": ""
            },
            "description": "A simple correspondence tourney",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 6720,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3665,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-03-03T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-03T17:00:53.944212Z",
            "ended": "2021-04-01T13:08:24.081359Z",
            "start_waiting": "2021-03-03T17:00:53.702830Z",
            "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": 98312,
            "name": "9x9 tournament",
            "director": {
                "id": 1006991,
                "username": "WillMa",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/3b854740fb42fc74c8b43503d4f64f46?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1425.3905788313666,
                        "deviation": 65.04358839826483,
                        "volatility": 0.06003849668312953
                    }
                },
                "ranking": 23.12228674059785,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 board, have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "aga",
            "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": 9509,
                "name": "Goggle",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-31T14:00:00Z",
            "players_start": 1,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-31T14:00:03.309889Z",
            "ended": "2024-03-04T15:38:06.851862Z",
            "start_waiting": "2023-01-31T14:00:02.976938Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 2612,
            "name": "SDK4",
            "director": {
                "id": 104,
                "username": "Oolong4Go",
                "country": "_Klingon",
                "icon": "https://secure.gravatar.com/avatar/8e91ccf2e8ceef7a17d825edc71c1924?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1487.0974735216928,
                        "deviation": 79.93436684201419,
                        "volatility": 0.06000532839122804
                    }
                },
                "ranking": 24.103391824779585,
                "professional": false,
                "ui_class": ""
            },
            "description": "Even games ",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 20,
                "name": "Single Digit Kyu Room",
                "summary": "A room for SDK's \r\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 758,
                "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 20,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2013-12-04T19:14:01.851421Z",
            "ended": "2014-03-11T13:23:15.391154Z",
            "start_waiting": "2013-12-04T19:14:00.107416Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2964,
            "name": "Newby's Month Long Round Robin",
            "director": {
                "id": 66298,
                "username": "Peter ;)",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/00eabc6c532138982adc562c0c346c98-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1941.4459960341776,
                        "deviation": 78.28401574064385,
                        "volatility": 0.05996981929695001
                    }
                },
                "ranking": 30.275340134490737,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament finishes in a month. No more waiting for seven days for the next move. Each player has 15 days total time. For 110 stones each, that's 3.5 hours per move.  \n\nThis is for impatient newbies like me. So keeping the dans out! Please don't join if you can't finish a game in a month.\n\nConditional moves enabled, no handicaps.\n\nBegins on August 1st and finishes on August 31st.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 14400,
            "time_control_parameters": {
                "total_time": 1296000,
                "time_control": "absolute"
            },
            "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": 383,
                "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": 10,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-08-01T07:24:52.340817Z",
            "ended": "2014-09-11T14:10:11.537199Z",
            "start_waiting": "2014-08-01T07:24:49.080563Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}