GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=514
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58298,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=515",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=513",
    "results": [
        {
            "id": 113525,
            "name": "What is your go?#2",
            "director": {
                "id": 1524537,
                "username": "deleted-bfac7bdc-552b-460d-8e80-222e4740dc7e",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/081788ec75b49bfbc416f81d47176e9f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1254.5149732931982,
                        "deviation": 81.65758934257114,
                        "volatility": 0.06001432588622372
                    }
                },
                "ranking": 20.166104798446497,
                "professional": false,
                "ui_class": ""
            },
            "description": "What is your go?",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14054,
                "name": "院生の碁",
                "summary": "院生の碁!",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://user-uploads.online-go.com/ca04995cda0b3d01c5a595ca0fafb383-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-01-01T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 12,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-01T10:00:37.185357Z",
            "ended": "2025-03-14T19:55:09.046114Z",
            "start_waiting": "2025-01-01T10:00:36.925955Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ca04995cda0b3d01c5a595ca0fafb383-15.png",
            "player_count": 7
        },
        {
            "id": 2770,
            "name": "Let's Go",
            "director": {
                "id": 55726,
                "username": "bjaress",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e04e373f50b42892ad034cae8818fe22?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1225.910206045015,
                        "deviation": 148.81632941271542,
                        "volatility": 0.06000120245678094
                    }
                },
                "ranking": 19.63214011741182,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hard to find a tournament, so I'm starting one.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "canadian",
                "period_time": 259200,
                "main_time": 259200,
                "stones_per_period": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8768,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-01-25T00:51:18.353810Z",
            "ended": "2014-12-12T10:10:24.701935Z",
            "start_waiting": "2014-01-25T00:51:17.886955Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 0
        },
        {
            "id": 47724,
            "name": "Для тех, кому показалось мало!",
            "director": {
                "id": 667,
                "username": "IcedEarth",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/2886aa2c1b5facf75023893762dff62e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1598.49520032241,
                        "deviation": 63.1911171606045,
                        "volatility": 0.059699292703777725
                    }
                },
                "ranking": 25.775666131170926,
                "professional": false,
                "ui_class": ""
            },
            "description": "Work in progress",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2787,
                "name": "Kazan Go Association",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/20d63b4d48f99b38deb9bee54831764d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-24T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-04-24T19:00:11.207425Z",
            "ended": "2019-08-15T00:04:25.609002Z",
            "start_waiting": "2019-04-24T19:00:09.607207Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/20d63b4d48f99b38deb9bee54831764d-15.png",
            "player_count": 10
        },
        {
            "id": 1861,
            "name": "marcusa's handicap tournament",
            "director": {
                "id": 19906,
                "username": "marcusa",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0a4af0949a8834ad4c618b70ac6cbf0d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1727.2096707086046,
                        "deviation": 64.00279419294205,
                        "volatility": 0.05996034779490802
                    }
                },
                "ranking": 27.568506592537027,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": false,
            "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": 381,
                "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": 4,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-01-17T03:29:56Z",
            "ended": "2013-01-17T02:29:56Z",
            "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
        },
        {
            "id": 23555,
            "name": "Chinese group 2017 New Year Tournament (D1) OVO >_<",
            "director": {
                "id": 341646,
                "username": "✨【神乔】✨",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/798fe1383f4e8c4fdff29719ec98965b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2270.898658024943,
                        "deviation": 80.03100693357914,
                        "volatility": 0.0602490937321789
                    }
                },
                "ranking": 33.90393094321785,
                "professional": false,
                "ui_class": ""
            },
            "description": "Happy new year!!! division 1: kyu players here !!!!( division 2 is for dan players, please message 陈建安 for more information ). Chinese group Huaxia League welcome everyone who are Chinese or likes Chinese culture to join. please message me for any more information. OVO~",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1180,
                "name": "华夏兄弟盟 Chinese Brotherhood ",
                "summary": "A group that you can play with a lot of Chinese players :) .welcome everyone joining our group, we sincerely hope you can enjoy the game of Go and Chinese culture as well :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1150,
                "icon": "https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-01-31T07:51:00Z",
            "players_start": 100,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-01-30T07:37:41.180661Z",
            "ended": "2019-09-23T05:07:16.859217Z",
            "start_waiting": "2017-01-30T07:37:39.461239Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-15.png",
            "player_count": 43
        },
        {
            "id": 105593,
            "name": "9x9 Mini League 1k-9k #83",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1292.2022452062233,
                        "deviation": 71.09956782956624,
                        "volatility": 0.06013918489974378
                    }
                },
                "ranking": 20.85131950077235,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 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": 683,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-08-06T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-01T11:47:37.947794Z",
            "ended": "2023-08-13T09:38:43.158925Z",
            "start_waiting": "2023-08-01T11:47:37.790192Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5
        },
        {
            "id": 91039,
            "name": "9x9 Mini League 1k-9k #25",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1292.2022452062233,
                        "deviation": 71.09956782956624,
                        "volatility": 0.06013918489974378
                    }
                },
                "ranking": 20.85131950077235,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "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": 604800
            },
            "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": 683,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-19T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-06-18T15:05:29.729969Z",
            "ended": "2022-06-24T05:04:04.423608Z",
            "start_waiting": "2022-06-18T15:05:29.578218Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5
        },
        {
            "id": 43444,
            "name": "Torneo 9x9 de Navidad 2018 (1)",
            "director": {
                "id": 164484,
                "username": "ikkyu71",
                "country": "es",
                "icon": "https://user-uploads.online-go.com/3d0e1d47bec478e75a56fca3f205e3e3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1682.255510530397,
                        "deviation": 68.5690155481861,
                        "volatility": 0.059968618972678654
                    }
                },
                "ranking": 26.95800079999961,
                "professional": false,
                "ui_class": ""
            },
            "description": "Feliz Navidad a todos !! Y a disfrutar de las partidas.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 37920,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 1814400,
                "time_increment": 36000,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 32,
                "name": "Spain Go",
                "summary": "Group for spanish people that want to play Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 409,
                "icon": "https://user-uploads.online-go.com/55563a0bc6005cdf4cde0c413d2c6738-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-12-09T23:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-10T07:47:27.722369Z",
            "ended": "2018-12-27T09:25:55.693047Z",
            "start_waiting": "2018-12-10T07:47:24.703847Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/55563a0bc6005cdf4cde0c413d2c6738-15.png",
            "player_count": 8
        },
        {
            "id": 1857,
            "name": "kattla's mini-tournament",
            "director": {
                "id": 43274,
                "username": "kattla",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0d41b76abc2e33273ba72997f15af373?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2044.6843997726512,
                        "deviation": 64.92800961299046,
                        "volatility": 0.060002908839901274
                    }
                },
                "ranking": 31.474750793363228,
                "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": false,
            "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": 381,
                "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": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-09-20T21:22:10Z",
            "ended": "2012-09-20T19:22:10Z",
            "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
        },
        {
            "id": 23307,
            "name": "Reviewing tournament",
            "director": {
                "id": 400795,
                "username": "GOlearner2020",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/75b66cadacbb746362462fb3667cf8bb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 902.505734654976,
                        "deviation": 78.48007825807701,
                        "volatility": 0.059966422113450615
                    }
                },
                "ranking": 12.542132498289494,
                "professional": false,
                "ui_class": ""
            },
            "description": "December 24th to 25th will be a tournament among low skilled players in order to gain some experience. Higher skilled players are encouraged to review games they participate in, outside reviewers are also welcome.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 600,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 222,
                "name": "Low-Rating 30k's",
                "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 279,
                "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-12-25T03:30:00Z",
            "players_start": 5,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-01-06T11:12:49.095667Z",
            "ended": "2017-01-06T11:42:49.807743Z",
            "start_waiting": "2017-01-06T11:12:48.891306Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png",
            "player_count": 5
        }
    ]
}