List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5755
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58836,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5756",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5754",
    "results": [
        {
            "id": 60241,
            "name": "#2 повтор",
            "director": {
                "id": 713237,
                "username": "mc2q",
                "country": "ni",
                "icon": "https://secure.gravatar.com/avatar/dd42b7802cfe436bb21f0c270b6a26b0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1689.495801999772,
                        "deviation": 75.55256229606923,
                        "volatility": 0.060151818191154324
                    }
                },
                "ranking": 27.05742272623608,
                "professional": false,
                "ui_class": ""
            },
            "description": "Турнирчик два",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 240,
                "period_time": 30,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5579,
                "name": "Го в РТУ МИРЭА ССК Альянс ",
                "summary": "Игра Го в РТУ МИРЭА",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-05-08T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-08T17:34:16.226079Z",
            "ended": "2020-05-08T18:19:36.733958Z",
            "start_waiting": "2020-05-08T17:34:15.873430Z",
            "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": 14134,
            "name": "onegaishimasu",
            "director": {
                "id": 204661,
                "username": "ApolloWilliams",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/4017b00a60da1ad2754f01249b2f33c6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1003.5736446856988,
                        "deviation": 71.78818544015964,
                        "volatility": 0.06001905146917851
                    }
                },
                "ranking": 14.999447331564266,
                "professional": false,
                "ui_class": ""
            },
            "description": "Show respect have fun and use the customs of the game.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 420,
                "name": "Hikaru no go club",
                "summary": "Sai is the way.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 756,
                "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-02-01T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-02-01T18:00:26.288480Z",
            "ended": "2016-12-12T04:01:45.635091Z",
            "start_waiting": "2016-02-01T18:00:23.797310Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 130765,
            "name": "CHEERFUL GO #101 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1865.0895533548455,
                        "deviation": 76.71878997724393,
                        "volatility": 0.05983917352103438
                    }
                },
                "ranking": 29.346469895949156,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 69,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-31T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-31T04:00:43.671505Z",
            "ended": "2025-11-04T15:41:28.987437Z",
            "start_waiting": "2025-07-31T04:00:43.573358Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 114868,
            "name": "19x19 New Zealand Handicap D.E. #10",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Handicap games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "nz",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-04-20T03:19:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-19T00:57:09.596298Z",
            "ended": "2025-10-21T20:20:55.236972Z",
            "start_waiting": "2024-04-19T00:57:09.471536Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 67625,
            "name": "Go World Wide Tournament #3Qlingzone",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1509.524434648941,
                        "deviation": 65.82091186646322,
                        "volatility": 0.059492438825739416
                    }
                },
                "ranking": 24.449911245483396,
                "professional": false,
                "ui_class": ""
            },
            "description": "#RESPECT\n\n#JOYFUL",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-11-30T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-30T17:00:06.106310Z",
            "ended": "2021-09-25T00:34:37.544402Z",
            "start_waiting": "2020-11-30T17:00:00.927028Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 82587,
            "name": "2021-tournament3️⃣",
            "director": {
                "id": 802455,
                "username": "royz",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/23489ab482345a76b6d432ff07368b5a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.1310274249,
                        "deviation": 62.60253870008884,
                        "volatility": 0.06006769076422171
                    }
                },
                "ranking": 16.093293696950248,
                "professional": false,
                "ui_class": ""
            },
            "description": "stuff",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 23520,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 21600,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7025,
                "name": "the good go group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-30T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-30T07:00:20.771890Z",
            "ended": "2022-02-15T01:47:01.350725Z",
            "start_waiting": "2021-11-30T07:00:19.404569Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 133591,
            "name": "{Mema}SavaddoFGoKpop",
            "director": {
                "id": 845981,
                "username": "Nahuelaun",
                "country": "uy",
                "icon": "https://user-uploads.online-go.com/c819becef091d4ff02990273667585ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 841.201100047819,
                        "deviation": 65.80507683607888,
                        "volatility": 0.06166394645250626
                    }
                },
                "ranking": 10.913662119161058,
                "professional": false,
                "ui_class": ""
            },
            "description": "wasasa",
            "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": false,
            "group": {
                "id": 15507,
                "name": "ssssssssss",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 34,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-20T19:35:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 21,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-10-20T19:32:55.891328Z",
            "ended": "2025-10-23T20:48:28.998309Z",
            "start_waiting": "2025-10-20T19:32:55.744529Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 44138,
            "name": "ქართველების ტურნირი",
            "director": {
                "id": 21742,
                "username": "დათო",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2188.217274395995,
                        "deviation": 97.40479902700517,
                        "volatility": 0.06013689069472163
                    }
                },
                "ranking": 33.04533320130458,
                "professional": false,
                "ui_class": ""
            },
            "description": "ორ წაგებაზე გავარდნა",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 60,
            "time_control_parameters": {
                "period_time": 60,
                "main_time": 60,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 262,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-12-29T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-29T18:00:50.750022Z",
            "ended": "2018-12-29T18:36:03.074906Z",
            "start_waiting": "2018-12-29T18:00:50.263224Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 34899,
            "name": "9x9 Double Elimination - May 2018",
            "director": {
                "id": 138053,
                "username": "小狮子",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/f8bf837cba1ea6edbf6e8843cfac768c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1433.7025049325337,
                        "deviation": 65.9053721927179,
                        "volatility": 0.060410777051093704
                    }
                },
                "ranking": 23.256890005133684,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone is welcome",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2965,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-05-14T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-05-14T22:00:56.946642Z",
            "ended": "2019-07-22T11:50:46.511877Z",
            "start_waiting": "2018-05-14T22:00:50.062391Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 47,
            "ranked": true
        },
        {
            "id": 64171,
            "name": "Mega tournament 6",
            "director": {
                "id": 737259,
                "username": "天鵝國公主",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/21d30730db10658fec1192be234caa69-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1608.614780585304,
                        "deviation": 69.22071654364045,
                        "volatility": 0.06006522301189862
                    }
                },
                "ranking": 25.921759693266278,
                "professional": false,
                "ui_class": ""
            },
            "description": "Mega tournament 6",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 70,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 3600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 192,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-11-01T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-01T06:00:37.734657Z",
            "ended": "2020-11-01T14:53:46.162719Z",
            "start_waiting": "2020-11-01T06:00:36.585700Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 30,
            "ranked": true
        }
    ]
}