List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=649
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60259,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=650",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=648",
    "results": [
        {
            "id": 3326,
            "name": "Holiday in Calais",
            "director": {
                "id": 913,
                "username": "orbitaleccentric",
                "country": "154",
                "icon": "https://secure.gravatar.com/avatar/53eeecc069afe75227d01613021745ee?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1209.184198901628,
                        "deviation": 65.91932539006912,
                        "volatility": 0.05874416983304882
                    }
                },
                "ranking": 19.314112895007842,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A Tournament",
            "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": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-11-04T16:15:17.739306Z",
            "ended": "2015-05-01T21:22:48.950400Z",
            "start_waiting": "2014-11-04T16:15:15.410343Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 114864,
            "name": "Giải đấu cờ vây siêu nhây :)",
            "director": {
                "id": 1358858,
                "username": "piii7777",
                "country": "vn",
                "icon": "https://user-uploads.online-go.com/c98f52b964618fc2dfe8f264c6a5d804-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1937.6831820311227,
                        "deviation": 68.71146629116117,
                        "volatility": 0.0599974874133445
                    }
                },
                "ranking": 30.230428419776782,
                "professional": false,
                "ui_class": ""
            },
            "description": "Giải đông sẽ có tài trợ thưởng :)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35,
            "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": true,
            "group": {
                "id": 14084,
                "name": "Pi7 & Giải đấu thập cẩm",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/61859aabd2b29eaaa933e387f8c5a685-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-11T15:15:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-11T15:14:34.187263Z",
            "ended": "2024-04-18T14:46:04.049031Z",
            "start_waiting": "2024-04-11T15:14:34.062881Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/61859aabd2b29eaaa933e387f8c5a685-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 47507,
            "name": "9x9 Lovers Round Robin",
            "director": {
                "id": 620746,
                "username": "9x9 Lover num.3524",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a993c9c1a006353ba6912cf5a4d762f4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1600.5988747154418,
                        "deviation": 66.79698692838825,
                        "volatility": 0.059976129930831824
                    }
                },
                "ranking": 25.80611229378819,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please ensure that your schedule and playing habits work with the time settings. \nYou will have one match (m) per player (n) involved in the tournament (m=n-1) so if there are 10 players, you will be playing 9 games at once.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 713,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-18T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-04-18T21:00:10.479479Z",
            "ended": "2019-05-19T23:44:42.198632Z",
            "start_waiting": "2019-04-18T21:00:07.729831Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 3460,
            "name": "kleines wiener 5",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 722.324502584235,
                        "deviation": 63.6413283732424,
                        "volatility": 0.059132423547457034
                    }
                },
                "ranking": 7.386614606241782,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "offen",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 445,
                "name": "Go7wien",
                "summary": "Wiener Go Klub",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 20,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-12-17T05:58:31.962892Z",
            "ended": "2015-01-29T10:19:03.522775Z",
            "start_waiting": "2014-12-17T05:58:31.729043Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 79561,
            "name": "The best",
            "director": {
                "id": 1035756,
                "username": "SATSIN Chantaurai",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f4248e451ddbd70976c5b2d10f528336?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1319.056296006411,
                        "deviation": 68.40637515647248,
                        "volatility": 0.06004475149723243
                    }
                },
                "ranking": 21.327483146392503,
                "professional": false,
                "ui_class": ""
            },
            "description": "ห้ามเก่งเกิน",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 60,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10036,
                "name": "ogs.exe",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-02T07:35:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 15,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-09-02T07:35:07.495737Z",
            "ended": "2021-09-02T08:35:37.987292Z",
            "start_waiting": "2021-09-02T07:35:07.315421Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 970,
            "name": "Vin Diesel Memorial Tournament",
            "director": {
                "id": 28548,
                "username": "mcw85",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/a42dd5dbaa02d5b73780d6a9fd377c7c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1937.37784947797,
                        "deviation": 125.97129176715627,
                        "volatility": 0.059996341810241986
                    }
                },
                "ranking": 30.226780245689902,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 20,
            "max_ranking": 30,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-01-24T10:17:57Z",
            "ended": "2010-01-24T09:17:57Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2774,
            "name": "19x19, Japanese rules, 3d + 1d per move",
            "director": {
                "id": 10670,
                "username": "boredom",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/885cf176491879164a14993fb1af835c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1822.8504864288059,
                        "deviation": 64.53786161281363,
                        "volatility": 0.05990507402656149
                    }
                },
                "ranking": 28.816159126829287,
                "professional": false,
                "ui_class": ""
            },
            "description": "Apparently I need to join my own tournaments to be included in them. Let's try this again. :|",
            "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": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 19,
            "max_ranking": 30,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-02-13T23:48:02.473282Z",
            "ended": "2014-07-07T14:16:54.359730Z",
            "start_waiting": "2014-02-13T23:47:59.907551Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 68000,
            "name": "마스터 사이 마스터 이세돌 토너먼트",
            "director": {
                "id": 803789,
                "username": "AvikDragon55",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/0355456393e771d91fd6ce96b92bd2eb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1824.683300219573,
                        "deviation": 62.462287449078616,
                        "volatility": 0.061285243005013215
                    }
                },
                "ranking": 28.839423965654102,
                "professional": false,
                "ui_class": ""
            },
            "description": "english. hello this is a correspondence tournament 25kyu to 1dan can join this and make sure to have fun! And play your best :D",
            "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": 6774,
                "name": "😀Korea Go한국바둑😀",
                "summary": "많이 가입해주세요. 한국분 환영",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-19T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-21T16:58:47.134471Z",
            "ended": "2021-01-28T02:22:01.808248Z",
            "start_waiting": "2020-11-21T16:58:46.849563Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 362,
            "name": "9x9 Kyu Mini-Bootcamp",
            "director": {
                "id": 13464,
                "username": "ichderfisch",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/96d36b433abfed6b225004b831b4e6a5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1993.0540480384739,
                        "deviation": 66.73990904201048,
                        "volatility": 0.060002351704365686
                    }
                },
                "ranking": 30.882682828774666,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 20,
            "max_ranking": 30,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-11-18T13:50:00Z",
            "ended": "2007-12-11T07:03:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 35120,
            "name": "2018 Class B Single Elimination",
            "director": {
                "id": 153455,
                "username": "El0m",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/018b099d6b5f111ad780b468738dc998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1295.7038814112566,
                        "deviation": 70.83331711939027,
                        "volatility": 0.0603648964543371
                    }
                },
                "ranking": 20.913967003155264,
                "professional": false,
                "ui_class": ""
            },
            "description": "Intermediate level.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 46080,
            "time_control_parameters": {
                "period_time": 604800,
                "main_time": 259200,
                "system": "canadian",
                "pause_on_weekends": true,
                "time_control": "canadian",
                "stones_per_period": 14,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1398,
                "name": "Ratio",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-06-30T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-06-30T23:00:23.976337Z",
            "ended": "2019-08-06T21:56:38.787250Z",
            "start_waiting": "2018-06-30T23:00:22.580318Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 32,
            "ranked": true
        }
    ]
}