List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=370
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60818,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=371",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=369",
    "results": [
        {
            "id": 131245,
            "name": "de tornament",
            "director": {
                "id": 1826350,
                "username": "gobom",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/35d29cda86ac14b8bb0e6c57e39353a8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1381.8556084903591,
                        "deviation": 64.39289467743961,
                        "volatility": 0.06018793354985175
                    }
                },
                "ranking": 22.404205530318976,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tdf5vgggffftyghh",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "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": 1059,
                "name": "Brasília",
                "summary": "Grupo de Go do Distrito Federal",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 62,
                "icon": "https://user-uploads.online-go.com/8ac44fd3ea743166c13c9798c228f36c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-08-09T13:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-08-09T13:00:52.911247Z",
            "ended": "2025-08-26T09:29:05.928452Z",
            "start_waiting": "2025-08-09T13:00:52.880831Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8ac44fd3ea743166c13c9798c228f36c-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 104684,
            "name": "2 -> 王善緯 3 -> 郭在田",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "2 -> 王善緯\n3 -> 郭在田",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1500,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-06-24T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-06-24T08:43:57.924020Z",
            "ended": "2023-06-24T09:48:15.618278Z",
            "start_waiting": "2023-06-24T08:43:57.872668Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 77287,
            "name": "mlccc",
            "director": {
                "id": 416489,
                "username": "Spinaltap",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/fed9a5c54980ffee623ebb3db223b5db-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2132.8293430294343,
                        "deviation": 61.46294249559199,
                        "volatility": 0.06001543856613506
                    }
                },
                "ranking": 32.451819195331055,
                "professional": false,
                "ui_class": ""
            },
            "description": "a tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9506,
                "name": "MLCCC",
                "summary": "Students of Main Line Chinese Culture Center",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/31cd66c5a079813b0cda160187c8bc7f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-09T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-07-09T18:34:36.163960Z",
            "ended": "2021-07-17T13:00:50.966010Z",
            "start_waiting": "2021-07-09T18:34:35.947330Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/31cd66c5a079813b0cda160187c8bc7f-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 77746,
            "name": "Class A 19/7/64",
            "director": {
                "id": 912066,
                "username": "cp01",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.5388926772162,
                        "deviation": 96.54685520717858,
                        "volatility": 0.06006648813563598
                    }
                },
                "ranking": 16.102266201967904,
                "professional": false,
                "ui_class": ""
            },
            "description": "Class A 19/7/64 กด Join this tournament และพิมพ์ชื่อ-สกุล เพื่อเช็คชื่อและเข้าแข่งขัน",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 900
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9668,
                "name": "อบรมหมากล้อมออนไลน์",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 336,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-19T09:45:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-19T09:45:25.953979Z",
            "ended": "2021-07-19T11:36:56.745391Z",
            "start_waiting": "2021-07-19T09:45:25.689364Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 98115,
            "name": "Форовый турнир",
            "director": {
                "id": 698241,
                "username": "Андрей Голомыздо",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/76d174f0d1a97377902ca431c0bc8fca?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1358.6393020572616,
                        "deviation": 64.85957905515545,
                        "volatility": 0.05969040733617604
                    }
                },
                "ranking": 22.011962253565493,
                "professional": false,
                "ui_class": ""
            },
            "description": "Форовый турнир",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8062,
                "name": "Любители игры го",
                "summary": "Здесь я провожу разные турниры, рад новым участникам.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 48,
                "icon": "https://user-uploads.online-go.com/41d4de775268389735423350fdd3b100-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-31T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-01-10T12:58:31.155981Z",
            "ended": "2023-01-24T02:04:45.762518Z",
            "start_waiting": "2023-01-10T12:58:31.114617Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/41d4de775268389735423350fdd3b100-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 57603,
            "name": "3rd Atlanta 9x9 Fire: Final Group Actual",
            "director": {
                "id": 473434,
                "username": "DoubleSente",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1891.386906647593,
                        "deviation": 62.91280212348621,
                        "volatility": 0.05998964037582742
                    }
                },
                "ranking": 29.67060006447044,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is the actual tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3777,
                "name": "Atlanta Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-19T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-03-17T22:01:04.393335Z",
            "ended": "2020-04-04T03:43:41.245719Z",
            "start_waiting": "2020-03-17T22:01:02.607450Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 142931,
            "name": "9x9 Open D.E. Cup #248",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1448.2342414591133,
                        "deviation": 71.40722410074986,
                        "volatility": 0.06028281333625845
                    }
                },
                "ranking": 23.490352833324646,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "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": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 716,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-08-09T19:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-08-09T15:11:14.300916Z",
            "ended": null,
            "start_waiting": "2026-08-09T15:11:14.226775Z",
            "board_size": 9,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 107099,
            "name": "QWERTY111",
            "director": {
                "id": 1418879,
                "username": "花岗岩001",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/e341cdaefebdd2b6277a9cf21b3f8df6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1560.3693646684262,
                        "deviation": 167.2191411990621,
                        "volatility": 0.06000684735980321
                    }
                },
                "ranking": 25.21682231980875,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 716,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-06-08T23:02:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-06-08T23:02:50.700815Z",
            "ended": "2024-08-13T14:47:52.088273Z",
            "start_waiting": "2024-06-08T23:02:50.427774Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 47786,
            "name": "Fast Correspondence – April 2019 (C)",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1558.7681484843145,
                        "deviation": 62.264303238944116,
                        "volatility": 0.05973863153844848
                    }
                },
                "ranking": 25.193054109678815,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "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": "2019-05-01T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-05-01T00:01:02.860043Z",
            "ended": "2019-07-03T19:14:06.520755Z",
            "start_waiting": "2019-05-01T00:00:58.884527Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 101590,
            "name": "The 55th Murase Go Group Tournament",
            "director": {
                "id": 449215,
                "username": "SM-SYaKo",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1182.178471692773,
                        "deviation": 63.45983688838135,
                        "volatility": 0.060058455061893425
                    }
                },
                "ranking": 18.79122343818162,
                "professional": false,
                "ui_class": ""
            },
            "description": "毎月27日に開催される定例トーナメントです。これは第五十五回村瀬碁グループ定例トーナメントです。2023年5月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 55th tournament that starts on May 27th, 2023.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 20735,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 18000,
                "initial_time": 345600,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2389,
                "name": "Murase Go Group",
                "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 92,
                "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-26T23:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-26T23:01:00.461752Z",
            "ended": "2023-12-13T11:19:48.277134Z",
            "start_waiting": "2023-05-26T23:00:57.675174Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png",
            "player_count": 49,
            "ranked": true
        }
    ]
}