List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5824
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60019,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5825",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5823",
    "results": [
        {
            "id": 115456,
            "name": "Tournament",
            "director": {
                "id": 1552725,
                "username": "noob_bot_humanity",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1612.97968476873,
                        "deviation": 171.69690802064102,
                        "volatility": 0.05999584580354507
                    }
                },
                "ranking": 25.98449111074598,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "hi i am new",
            "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": 14244,
                "name": "New Players to Go",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-27T14:32:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-27T14:32:25.077448Z",
            "ended": "2024-04-27T14:34:11.800528Z",
            "start_waiting": "2024-04-27T14:32:25.017963Z",
            "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": 90603,
            "name": "駱皓希 陳俊霖",
            "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": "駱皓希\n陳俊霖",
            "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": "2022-05-29T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-05-29T07:47:41.133104Z",
            "ended": "2022-05-29T08:24:28.178232Z",
            "start_waiting": "2022-05-29T07:47:41.057947Z",
            "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": 67068,
            "name": "chibatest",
            "director": {
                "id": 860122,
                "username": "go-lecture",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/06738174368d96b4357840858c0b06ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1436.329305227951,
                        "deviation": 230.89152329372905,
                        "volatility": 0.059999336351304756
                    }
                },
                "ranking": 23.29926615135174,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "chibatest",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "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": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7103,
                "name": "中級 2020chiba test",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 0,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-26T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-26T09:00:34.840951Z",
            "ended": "2020-11-04T00:37:34.358496Z",
            "start_waiting": "2020-10-26T09:00:32.487625Z",
            "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": 60446,
            "name": "Tournament game",
            "director": {
                "id": 736006,
                "username": "鍾宛彤",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/128c9480828be009543e33745dc126ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1851.916304398883,
                        "deviation": 66.88854223337405,
                        "volatility": 0.06012199259618246
                    }
                },
                "ranking": 29.182379764371195,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5671,
                "name": "Go playhouse ",
                "summary": "Have fun ^^",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 0,
                "icon": "https://user-uploads.online-go.com/602771e7a8c1048a5781a27fcfc639d8-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-05-13T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-17T02:22:47.467326Z",
            "ended": "2020-05-24T02:41:20.373872Z",
            "start_waiting": "2020-05-17T02:22:47.195715Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/602771e7a8c1048a5781a27fcfc639d8-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 78068,
            "name": "ทดสอบแข่งขัน ป.2",
            "director": {
                "id": 779033,
                "username": "T.Boss Chanatip",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/b48d7002f7cfe5a5b7dbf304aa99b403-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2050.511863649683,
                        "deviation": 72.26620540796593,
                        "volatility": 0.06006501627688422
                    }
                },
                "ranking": 31.540635733245868,
                "professional": false,
                "ui_class": ""
            },
            "description": "ทดสอบ",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "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": 222,
                "icon": "https://user-uploads.online-go.com/377f55c70dc6d0f96d66a92236bb05d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-27T02:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-27T02:30:15.245807Z",
            "ended": "2021-07-27T02:46:50.410675Z",
            "start_waiting": "2021-07-27T02:30:14.976988Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/377f55c70dc6d0f96d66a92236bb05d1-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 115489,
            "name": "Tournament for Go players",
            "director": {
                "id": 1553164,
                "username": "noob_bot_6",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/64ee989429dd88ae846061da2bff367a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1631.0621051788066,
                        "deviation": 156.62944829321958,
                        "volatility": 0.05999171913807443
                    }
                },
                "ranking": 26.242571860041537,
                "professional": false,
                "ui_class": ""
            },
            "description": "Try your best and we might succeed!",
            "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": 14245,
                "name": "New players to GO chess",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-28T12:41:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-28T12:41:25.268541Z",
            "ended": "2024-04-28T12:45:37.914309Z",
            "start_waiting": "2024-04-28T12:41:25.222378Z",
            "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": 79052,
            "name": "Double elimination with auto handicaps 13x13",
            "director": {
                "id": 1032638,
                "username": "amateurplaying",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/a3ac11034dd78011f72aee0c3ea9de6c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1158.9125831713936,
                        "deviation": 65.38092199194944,
                        "volatility": 0.05998366584684001
                    }
                },
                "ranking": 18.331076404626156,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double elimination 13x13 long correspondence games with automatic handicaps",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9945,
                "name": "Unusual boards",
                "summary": "Group for those who love playing on unusual boards like 10x10, 2x25, 7x14 and so on...",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-30T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-30T16:00:25.511770Z",
            "ended": "2022-09-03T00:09:18.836268Z",
            "start_waiting": "2021-08-30T16:00:25.297705Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 136758,
            "name": "Зима - Лето Гудзуми 2026",
            "director": {
                "id": 1055025,
                "username": "Sviatopolk",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/28d0d3d94004a0556b2164ff794ab445-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1757.9398945063256,
                        "deviation": 63.08264321592301,
                        "volatility": 0.05992663264762931
                    }
                },
                "ranking": 27.9767663272786,
                "professional": false,
                "ui_class": ""
            },
            "description": "Всем привет! Играем 3 тура. Основное время - 7 дней, беёми: 3 периода по 1 дню. Система проведения: одновременный Мак-Магон. Если рейтинг занижен, то лучше его оперативно актуализировать до старта турнира. Всем хороших игр!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3922,
                "name": "Гудзуми-Юсей",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 107,
                "icon": "https://user-uploads.online-go.com/d9805b8d0e97919dd033d6a28e59afa4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-31T09:00:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-01-31T09:01:03.004235Z",
            "ended": null,
            "start_waiting": "2026-01-31T09:01:01.159276Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/d9805b8d0e97919dd033d6a28e59afa4-15.png",
            "player_count": 33,
            "ranked": true
        },
        {
            "id": 109954,
            "name": "9x9 Open D.E. Cup #108",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1317.1997592979628,
                        "deviation": 70.59911507982548,
                        "volatility": 0.060212816563961095
                    }
                },
                "ranking": 21.294877184752988,
                "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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-12-03T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-11-29T11:31:03.028737Z",
            "ended": "2024-05-06T21:31:21.728182Z",
            "start_waiting": "2023-11-29T11:31:02.901356Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 91328,
            "name": "第一屆嘉嘉盃 - 舊教堂遺址之戰",
            "director": {
                "id": 1159753,
                "username": "小幫手",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/1aad51ccd5db8261eefd78216dea04ec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1255.7991846407826,
                        "deviation": 89.06009305115134,
                        "volatility": 0.06001824585181738
                    }
                },
                "ranking": 20.189790674731025,
                "professional": false,
                "ui_class": ""
            },
            "description": "棋力限制 : 低於 5 級",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "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": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11838,
                "name": "蕭兔孽徒團 (Xiao Tu Legion)",
                "summary": "本群是黑嘉嘉成人班學員們在OGS開的社團,歡迎其他人加入社團一起交流。\nWe are students from Hei Jiajia Online Course in Taiwan, We are also welcome player around the world.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 327,
                "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-06-17T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2022-06-16T14:09:25.494145Z",
            "ended": "2022-06-17T16:52:47.245847Z",
            "start_waiting": "2022-06-17T16:52:47.235857Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-15.png",
            "player_count": 36,
            "ranked": true
        }
    ]
}