GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=307
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 57703,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=308",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=306",
    "results": [
        {
            "id": 57166,
            "name": "STONES Duel April 2020",
            "director": {
                "id": 735737,
                "username": "Ragnungar",
                "country": "_Pirate",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/647be367d46d0bd0790f10af18082d82-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.6817300615635,
                        "deviation": 61.54187292528182,
                        "volatility": 0.060028961076769916
                    }
                },
                "ranking": 22.55159788587131,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's test our strength on a 9x9 board!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87840,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 129600,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4495,
                "name": "STONES",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 0,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9f43f6b228b1cde1bb33933e32e903de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-06T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-01T04:10:53.717929Z",
            "ended": "2020-10-23T13:56:58.100321Z",
            "start_waiting": "2020-04-01T04:10:52.803640Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9f43f6b228b1cde1bb33933e32e903de-15.png",
            "player_count": 16
        },
        {
            "id": 100634,
            "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": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 65,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 60,
                "initial_time": 600,
                "max_time": 600
            },
            "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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2510b06e500642c98f1a27be3aea35d9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-04T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-04T14:00:16.113388Z",
            "ended": "2023-03-04T15:47:43.179426Z",
            "start_waiting": "2023-03-04T14:00:16.034989Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2510b06e500642c98f1a27be3aea35d9-15.png",
            "player_count": 4
        },
        {
            "id": 74275,
            "name": "Spring KYU Tournament",
            "director": {
                "id": 658648,
                "username": "Alpha   Zero",
                "country": "zz",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f76ad31e6aaa65d8eeb3301f6a73e36c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1644.0357753686008,
                        "deviation": 67.15363457706835,
                        "volatility": 0.05999654042394354
                    }
                },
                "ranking": 26.425981362193568,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play as hard as you can",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": 2419200
            },
            "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": 17410,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-24T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-24T22:00:06.873747Z",
            "ended": "2022-03-16T15:40:48.089081Z",
            "start_waiting": "2021-04-24T22:00:06.714465Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 6
        },
        {
            "id": 125429,
            "name": "19x19 New Zealand Open League #16",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1306.8420247417312,
                        "deviation": 68.95583095423794,
                        "volatility": 0.06063865202648565
                    }
                },
                "ranking": 21.112118814233526,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 19x19 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": 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": 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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-27T04:19:00Z",
            "players_start": 10,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-26T03:28:57.991499Z",
            "ended": "2025-05-09T07:39:57.911721Z",
            "start_waiting": "2025-02-26T03:28:57.423261Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 10
        },
        {
            "id": 99236,
            "name": "2023.01 GO 19X19 tournament #3 1d+",
            "director": {
                "id": 1161013,
                "username": "朵兒普拉斯-doorplus-",
                "country": "_United_Nations",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7c935550f93ff5eb3f3e93239454342f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1151.0937500744108,
                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
                    }
                },
                "ranking": 18.174361096243295,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome and have fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 58968,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 57600,
                "initial_time": 172800,
                "max_time": 691200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8304,
                "name": "club hikaru no go",
                "summary": "welcome all fan of Hikaru no go and on piece",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 115,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-27T10:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 30,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-24T13:25:58.067108Z",
            "ended": "2024-07-28T07:41:05.423873Z",
            "start_waiting": "2023-01-24T13:25:54.360331Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png",
            "player_count": 33
        },
        {
            "id": 83786,
            "name": "9x9 swiss",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1272.3644745533093,
                        "deviation": 64.49199484629777,
                        "volatility": 0.06010648419689925
                    }
                },
                "ranking": 20.493166564382765,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 10773,
                "name": "Averyw",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 23,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e6a04a56e256c1a838804b59b01d3050-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-16T23:10:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-12-16T23:10:11.852374Z",
            "ended": "2021-12-18T23:15:29.849167Z",
            "start_waiting": "2021-12-16T23:10:11.788346Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e6a04a56e256c1a838804b59b01d3050-15.png",
            "player_count": 3
        },
        {
            "id": 75100,
            "name": "Latte",
            "director": {
                "id": 996827,
                "username": "spim0886",
                "country": "un",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e1f233a7bda04e517c5d63f3381aa3ec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1072.4760959071016,
                        "deviation": 86.35881676497142,
                        "volatility": 0.06005068577938286
                    }
                },
                "ranking": 16.536672359528637,
                "professional": false,
                "ui_class": ""
            },
            "description": "Latte",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 8276,
                "name": "SPIMGO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 373,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-13T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-13T14:39:47.675259Z",
            "ended": "2021-08-31T01:33:37.255877Z",
            "start_waiting": "2021-05-13T14:39:47.464526Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4
        },
        {
            "id": 125043,
            "name": "Test ป.3",
            "director": {
                "id": 779033,
                "username": "T.Boss Chanatip",
                "country": "th",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/b48d7002f7cfe5a5b7dbf304aa99b403-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2063.929284935558,
                        "deviation": 67.34474640346976,
                        "volatility": 0.0600475667994687
                    }
                },
                "ranking": 31.69162314204743,
                "professional": false,
                "ui_class": ""
            },
            "description": "ทดสอบ",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 40,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9318,
                "name": "Piyachat ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 216,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/377f55c70dc6d0f96d66a92236bb05d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-04T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-04T03:46:18.898509Z",
            "ended": "2025-02-04T04:53:35.983857Z",
            "start_waiting": "2025-02-04T03:46:18.749448Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/377f55c70dc6d0f96d66a92236bb05d1-15.png",
            "player_count": 20
        },
        {
            "id": 112832,
            "name": "世界霸王大戰 1",
            "director": {
                "id": 1236996,
                "username": "MingLau",
                "country": "hk",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ebcbf54b9538d3927e9914e2c51038e8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1133.1552083110032,
                        "deviation": 75.90915500890274,
                        "volatility": 0.0600733205101211
                    }
                },
                "ranking": 17.810752937338762,
                "professional": false,
                "ui_class": ""
            },
            "description": "做世界高手吧!\nBe the strongest in OGS!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "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": 13697,
                "name": "Online Go Tournament ",
                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9e17e96c684c6fa6c7eb16a8ba4be685-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-01T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-08-01T11:00:18.155642Z",
            "ended": null,
            "start_waiting": "2024-08-01T11:00:17.905153Z",
            "board_size": 19,
            "active_round": 3,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9e17e96c684c6fa6c7eb16a8ba4be685-15.png",
            "player_count": 16
        },
        {
            "id": 113310,
            "name": "Gucci Club",
            "director": {
                "id": 1376960,
                "username": "fancyTank",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6fa347ee5c999a554ac49b2ff6273910?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 708.0834023028157,
                        "deviation": 63.417236435422495,
                        "volatility": 0.06004413904725901
                    }
                },
                "ranking": 6.925637896224379,
                "professional": false,
                "ui_class": ""
            },
            "description": "Donald Duck",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 41,
            "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": 6757,
                "name": "If you die in an elevator, make sure you press the up button",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-02-27T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-02-27T19:09:09.381752Z",
            "ended": "2024-02-27T19:34:04.813499Z",
            "start_waiting": "2024-02-27T19:09:09.300636Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4
        }
    ]
}