List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=379
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58983,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=380",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=378",
    "results": [
        {
            "id": 77289,
            "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": "mlccc",
            "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": 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": 15,
                "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": "2021-07-09T18:54:46.659163Z",
            "ended": "2021-07-27T18:24:08.813432Z",
            "start_waiting": "2021-07-09T18:54:46.455288Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/31cd66c5a079813b0cda160187c8bc7f-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 77231,
            "name": "1 serdar",
            "director": {
                "id": 1018785,
                "username": "serdar.musab.gul",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/15cdfaa183b2bbf6f09a19545d8e6669-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1645.876619641304,
                        "deviation": 229.9238367434865,
                        "volatility": 0.0600038966168155
                    }
                },
                "ranking": 26.451888161064677,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "1 serdar",
            "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": 9562,
                "name": "Uze 3.Grup Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-08T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-12T09:00:18.175196Z",
            "ended": "2021-08-06T14:38:24.241108Z",
            "start_waiting": "2021-07-12T09:00:18.065276Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 91999,
            "name": "1 -> 居芷琪 岑",
            "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": "1 -> 居芷琪 岑",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-07-03T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-07-03T03:44:50.967399Z",
            "ended": "2022-07-03T04:12:10.826133Z",
            "start_waiting": "2022-07-03T03:44:50.909181Z",
            "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": 77300,
            "name": "10/7 馬悅思\t\t蔡得恩",
            "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": "10/7 馬悅思\t\t蔡得恩",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 25,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 480,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-07-10T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-07-10T03:47:15.515084Z",
            "ended": "2021-07-10T03:59:25.240750Z",
            "start_waiting": "2021-07-10T03:47:15.444509Z",
            "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": 77587,
            "name": "SCPS4C5",
            "director": {
                "id": 1023102,
                "username": "scps00",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6d44cde2d6b20aba8e2a8b5951f5cdfd?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1304.2918227457508,
                        "deviation": 240.12621952785298,
                        "volatility": 0.05999840599104936
                    }
                },
                "ranking": 21.066899228852943,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "123456789",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9647,
                "name": "SCPS4C",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-16T03:10:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-07-16T03:00:55.065127Z",
            "ended": "2021-07-16T04:01:28.894356Z",
            "start_waiting": "2021-07-16T03:00:54.920321Z",
            "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": 118947,
            "name": "หมากล้อมวันที่ 9 เวลา 12.00",
            "director": {
                "id": 1606875,
                "username": "thakham2566",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0214e393d1b55939985d8607cc983414?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 912.2901390713149,
                        "deviation": 138.81023955090083,
                        "volatility": 0.059996698676960225
                    }
                },
                "ranking": 12.79175964398333,
                "professional": false,
                "ui_class": ""
            },
            "description": "เล่นหมากล้อม",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 90,
                "max_time": 120
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14502,
                "name": "หมากล้อมโรงเรียนวัดท่าข้าม",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 102,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-09T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-08-09T05:00:05.566966Z",
            "ended": "2024-08-09T05:42:32.282286Z",
            "start_waiting": "2024-08-09T05:00:05.277824Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 51810,
            "name": "Reg Cor. 9x9 10player R-Robin. Starts when full. Sep'19rC",
            "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- Note: Provisional players allowed & welcome.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2014,
                "name": "The Nines 9x9 ",
                "summary": "9x9 Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 373,
                "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-09-16T12:59:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-09-18T07:46:45.486884Z",
            "ended": "2019-10-03T04:23:53.968918Z",
            "start_waiting": "2019-09-18T07:46:39.556832Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 105097,
            "name": "saffgsew",
            "director": {
                "id": 85719,
                "username": "💖 KoBa 💖",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/e02f22fbecfc7c11575f2263f7fdbc3a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1707.6987133559219,
                        "deviation": 68.68226218185929,
                        "volatility": 0.060181173910032915
                    }
                },
                "ranking": 27.3055106287121,
                "professional": false,
                "ui_class": " supporter"
            },
            "description": "adafgsfgrsg",
            "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": 3807,
                "name": "randomtestgroup",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-07T01:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-07T01:00:58.408544Z",
            "ended": "2023-12-11T17:02:44.290002Z",
            "start_waiting": "2023-07-07T01:00:58.304280Z",
            "board_size": 25,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 109190,
            "name": "Sunday Go VN",
            "director": {
                "id": 1425573,
                "username": "Ngha",
                "country": "vn",
                "icon": "https://user-uploads.online-go.com/8d7bc2c84956fb468115899223cf8f6e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1922.3348068513528,
                        "deviation": 66.66924112373165,
                        "volatility": 0.06011736128080924
                    }
                },
                "ranking": 30.046327330598515,
                "professional": false,
                "ui_class": ""
            },
            "description": "nhóm lập lâu rồi mà vắng tanh vậy ?",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 56,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 45,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4021,
                "name": "Cờ vây Việt Nam - Vietnam's Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 168,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-11-05T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-12-26T09:31:03.844502Z",
            "ended": "2023-12-26T10:21:58.519176Z",
            "start_waiting": "2023-12-26T09:31:03.681175Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 126381,
            "name": "Let's just play",
            "director": {
                "id": 554767,
                "username": "houth",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/6db2f831666d8005bc24f1ad4befd6a0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1758.417207357097,
                        "deviation": 61.58749104469931,
                        "volatility": 0.059956216914386316
                    }
                },
                "ranking": 27.983051122732043,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just play okay",
            "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": 14883,
                "name": "We actually study go",
                "summary": "Weekly games, play or forfeit! Start date TBD",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 26,
                "icon": "https://user-uploads.online-go.com/503b621c6f0fcffdc096b2348be8d2c7-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-03-13T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-13T21:09:16.310551Z",
            "ended": "2025-11-19T10:06:32.672429Z",
            "start_waiting": "2025-03-13T21:09:16.228617Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/503b621c6f0fcffdc096b2348be8d2c7-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}