List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3310
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59751,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=3311",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=3309",
    "results": [
        {
            "id": 27556,
            "name": "Harasty Go Tournament (alpha)",
            "director": {
                "id": 448189,
                "username": "dharasty",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/f482e288611253fec37cd19645b9006b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1295.236868801641,
                        "deviation": 150.94164928907537,
                        "volatility": 0.060007441776920856
                    }
                },
                "ranking": 20.905621507775802,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just messing around with the \"tournament\" feature; I'm hoping this is closed to the \"Harasty Go\" group!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1624,
                "name": "Harasty Go Players",
                "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": false,
            "time_start": "2017-05-30T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-06-01T03:23:14.568126Z",
            "ended": "2017-07-06T19:12:58.846046Z",
            "start_waiting": "2017-06-01T03:23:14.258437Z",
            "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": 106115,
            "name": "Haragema1",
            "director": {
                "id": 1402264,
                "username": "pwalailuck123",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f2302a329d20c09e11490850c6eb152f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 935.251758596536,
                        "deviation": 210.08957431280646,
                        "volatility": 0.060002044946577675
                    }
                },
                "ranking": 13.36721491627976,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Where are you going?",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15861,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13470,
                "name": "Haragema1",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://user-uploads.online-go.com/2983b10ee14604639a9440d639c9a6e6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-05T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-29T01:22:10.385680Z",
            "ended": "2025-12-01T10:23:18.270007Z",
            "start_waiting": "2025-11-29T01:22:10.278991Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2983b10ee14604639a9440d639c9a6e6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 80579,
            "name": "Happychin Go1",
            "director": {
                "id": 1054758,
                "username": "happychin",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/30650664d1155fc17bd92886ac3d1400?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 668.1708242182566,
                        "deviation": 112.79474243604405,
                        "volatility": 0.06001039699790826
                    }
                },
                "ranking": 5.582520712473818,
                "professional": false,
                "ui_class": ""
            },
            "description": "It is good my name is Chin but my name is Chin good to play",
            "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": 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": 17979,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-26T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-02T22:18:09.759151Z",
            "ended": "2022-01-23T17:35:56.242400Z",
            "start_waiting": "2021-10-02T22:18:09.663668Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 119058,
            "name": "HappyPand.SG tournament🐼😀",
            "director": {
                "id": 1609997,
                "username": "ToppandaYT",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/73a15f1e31deadf8a41b2c040c3497de-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1268.410910474299,
                        "deviation": 64.24850080404143,
                        "volatility": 0.06014795765264081
                    }
                },
                "ranking": 20.42112156360248,
                "professional": false,
                "ui_class": ""
            },
            "description": "anyone can apply for this competition! what is happypand. SG?  \nHappyPanda.SG is a youtube channel! there will be information about the competition in the community! https://youtube.com/@happypanda2011?si=UGpdCwSkN_-fohHG",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 30,
                "max_time": 60
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14545,
                "name": "YouTube:HappyPanda.sg",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/5c1c1003c89292c045a91e5c198107c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-12T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-08-12T16:00:05.803730Z",
            "ended": "2024-08-12T16:05:01.804427Z",
            "start_waiting": "2024-08-12T16:00:05.751627Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5c1c1003c89292c045a91e5c198107c7-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 119026,
            "name": "HappyPand.SG tournament(YouTube)",
            "director": {
                "id": 1609997,
                "username": "ToppandaYT",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/73a15f1e31deadf8a41b2c040c3497de-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1268.410910474299,
                        "deviation": 64.24850080404143,
                        "volatility": 0.06014795765264081
                    }
                },
                "ranking": 20.42112156360248,
                "professional": false,
                "ui_class": ""
            },
            "description": "anyone can apply for this competition! what is happypand. SG?  \nHappyPanda.SG is a youtube channel! there will be information about the competition in the community! https://youtube.com/@happypanda2011?si=P9iUvdtVkXUUaPrI",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": true,
            "group": {
                "id": 14545,
                "name": "YouTube:HappyPanda.sg",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/5c1c1003c89292c045a91e5c198107c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-11T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-08-11T16:00:06.059389Z",
            "ended": "2024-08-11T16:40:15.318464Z",
            "start_waiting": "2024-08-11T16:00:05.971965Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5c1c1003c89292c045a91e5c198107c7-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 118926,
            "name": "HappyPand. tournament #1🐼🏆",
            "director": {
                "id": 1609997,
                "username": "ToppandaYT",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/73a15f1e31deadf8a41b2c040c3497de-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1268.410910474299,
                        "deviation": 64.24850080404143,
                        "volatility": 0.06014795765264081
                    }
                },
                "ranking": 20.42112156360248,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello Guys! anyone can apply for this competition! what is happypand.sg?\nhappypand.sg is a youtube channel. There will be information about the competition in the community!\nHave fun!\n\nHappyPand.sgYT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14545,
                "name": "YouTube:HappyPanda.sg",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/5c1c1003c89292c045a91e5c198107c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-08T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-16T13:04:16.585862Z",
            "ended": "2025-03-16T13:04:28.640751Z",
            "start_waiting": "2025-03-16T13:04:16.555522Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5c1c1003c89292c045a91e5c198107c7-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 63413,
            "name": "Happy tournament",
            "director": {
                "id": 787818,
                "username": "Ernie Ip",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/6ff93d62e603d6754e9948ca7f093372-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 848.0310294421083,
                        "deviation": 65.44134154669923,
                        "volatility": 0.0599842022485025
                    }
                },
                "ranking": 11.100864013221816,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play this tournament if you want to be happy!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5925,
                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-23T07:30:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-23T07:30:05.822083Z",
            "ended": "2020-07-23T07:40:32.731845Z",
            "start_waiting": "2020-07-23T07:30:05.468954Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 54160,
            "name": "Happy new year!",
            "director": {
                "id": 681206,
                "username": "the loser",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/cb9be7042776ad032de2e680e0e05d68-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1326.362270791935,
                        "deviation": 64.05772890157435,
                        "volatility": 0.060093816157454245
                    }
                },
                "ranking": 21.455352322496815,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have a happy 2020!",
            "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": 4032,
                "name": "Wu Family",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/7afdf4487b5624b1881ad26cae5f7e58-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-12-31T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-12-31T16:00:29.357278Z",
            "ended": "2020-08-09T13:07:22.968312Z",
            "start_waiting": "2019-12-31T16:00:25.462452Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7afdf4487b5624b1881ad26cae5f7e58-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 75745,
            "name": "Happy go testing",
            "director": {
                "id": 909840,
                "username": "Hapapaya",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/e0b41229bd9325d80c1b3b85700f128c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1673.10908647169,
                        "deviation": 62.156059131346794,
                        "volatility": 0.06005106213193024
                    }
                },
                "ranking": 26.83179082472548,
                "professional": false,
                "ui_class": ""
            },
            "description": "Happy go testing",
            "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": 9286,
                "name": "Happy GO Academy",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 52,
                "icon": "https://user-uploads.online-go.com/6cca37d3fe9d8294ffa9521edb4f96ef-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-30T13:20:00Z",
            "players_start": 2,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-05-30T13:20:03.556386Z",
            "ended": "2021-05-31T12:43:32.789140Z",
            "start_waiting": "2021-05-30T13:20:03.460917Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6cca37d3fe9d8294ffa9521edb4f96ef-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 116088,
            "name": "Happy every day",
            "director": {
                "id": 1430197,
                "username": "deleted-d13910fe-e5a4-4040-93d7-d0668f5ae4d4",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/927e69cecbf365e2078395ee98e817f3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 875.5175656976088,
                        "deviation": 135.16783669189448,
                        "volatility": 0.06004585505058601
                    }
                },
                "ranking": 11.839302451557224,
                "professional": false,
                "ui_class": ""
            },
            "description": "Be happy! Nice tournaments are on the way.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 962086,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 691200,
                "period_time": 950400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 496,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-05-18T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-18T01:00:07.982434Z",
            "ended": "2025-01-25T16:07:20.704739Z",
            "start_waiting": "2024-05-18T01:00:07.883693Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}