List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=4663
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59322,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=4664",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=4662",
    "results": [
        {
            "id": 115455,
            "name": "升級比賽 in english",
            "director": {
                "id": 1552725,
                "username": "noob_bot_humanity",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1612.97968476873,
                        "deviation": 171.69690802064102,
                        "volatility": 0.05999584580354507
                    }
                },
                "ranking": 25.98449111074598,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "hi i am new",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14244,
                "name": "New Players to Go",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-27T14:29:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-27T14:29:25.143799Z",
            "ended": "2024-04-27T14:30:00.395717Z",
            "start_waiting": "2024-04-27T14:29:25.017395Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 62808,
            "name": "Ice cream month!!!",
            "director": {
                "id": 747694,
                "username": "kingkaio",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1167.6804695413712,
                        "deviation": 62.48738706337885,
                        "volatility": 0.06012577810744558
                    }
                },
                "ranking": 18.505561177652012,
                "professional": false,
                "ui_class": ""
            },
            "description": "July is ice cream month\n\nLong tournament stress free just like ice cream\n\nAnyone can join\n\nWhats your favorite Ice Cream flavor, Mine is cookie monster (cookies and cream with cookie dough). Put it in the chat",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 440640,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 432000,
                "initial_time": 777600,
                "max_time": 1814400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5683,
                "name": "Tournaments Group",
                "summary": "A group for people who like tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-10T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-10T23:00:31.558223Z",
            "ended": "2021-02-12T15:22:53.575563Z",
            "start_waiting": "2020-07-10T23:00:31.276440Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 70008,
            "name": "Shogi 将棋 9x9 XXXVIII",
            "director": {
                "id": 697149,
                "username": "deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17",
                "country": "se",
                "icon": "https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1665.2715388700315,
                        "deviation": 71.21323820073493,
                        "volatility": 0.0598806998975717
                    }
                },
                "ranking": 26.723091679426847,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
            "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": false,
            "group": {
                "id": 935,
                "name": "Shogi 81Dojo",
                "summary": "Group for Shogi players on 81Dojo",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-29T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-01-29T17:00:13.161491Z",
            "ended": "2021-03-06T12:38:12.695066Z",
            "start_waiting": "2021-01-29T17:00:12.881325Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 115456,
            "name": "Tournament",
            "director": {
                "id": 1552725,
                "username": "noob_bot_humanity",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1612.97968476873,
                        "deviation": 171.69690802064102,
                        "volatility": 0.05999584580354507
                    }
                },
                "ranking": 25.98449111074598,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "hi i am new",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14244,
                "name": "New Players to Go",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-27T14:32:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-27T14:32:25.077448Z",
            "ended": "2024-04-27T14:34:11.800528Z",
            "start_waiting": "2024-04-27T14:32:25.017963Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 63311,
            "name": "Sunday tournament",
            "director": {
                "id": 56637,
                "username": "milanm",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1674.4012321116072,
                        "deviation": 67.27535794501007,
                        "volatility": 0.05991125824851243
                    }
                },
                "ranking": 26.849662717686456,
                "professional": false,
                "ui_class": "aga"
            },
            "description": "weekly 9x9 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 240
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5803,
                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-19T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-19T17:00:05.113032Z",
            "ended": "2020-07-19T17:36:55.539726Z",
            "start_waiting": "2020-07-19T17:00:04.630882Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 115489,
            "name": "Tournament for Go players",
            "director": {
                "id": 1553164,
                "username": "noob_bot_6",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/64ee989429dd88ae846061da2bff367a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1631.0621051788066,
                        "deviation": 156.62944829321958,
                        "volatility": 0.05999171913807443
                    }
                },
                "ranking": 26.242571860041537,
                "professional": false,
                "ui_class": ""
            },
            "description": "Try your best and we might succeed!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14245,
                "name": "New players to GO chess",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-28T12:41:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-28T12:41:25.268541Z",
            "ended": "2024-04-28T12:45:37.914309Z",
            "start_waiting": "2024-04-28T12:41:25.222378Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 33916,
            "name": "bob ross",
            "director": {
                "id": 329243,
                "username": "EricTroung",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/7ac06901b58cbe2021b15eebb0d499a9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1275.043434996399,
                        "deviation": 82.0981097290586,
                        "volatility": 0.06000206254300756
                    }
                },
                "ranking": 20.541857594105927,
                "professional": false,
                "ui_class": ""
            },
            "description": "bob ross is cool",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "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": 1107,
                "name": "South Go Club",
                "summary": "NSHS Online Go Group",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-01-22T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-01-27T06:59:02.089293Z",
            "ended": "2018-04-15T23:19:58.891488Z",
            "start_waiting": "2018-01-27T06:59:01.887620Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 47641,
            "name": "2019 - Spring Lviv Tournament - Middle",
            "director": {
                "id": 427977,
                "username": "OleksandrPshenychnyy",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/d549d0e6e73d804c76aa49a720165e9a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.1799772081822,
                        "deviation": 60.84221974114072,
                        "volatility": 0.059952114221648964
                    }
                },
                "ranking": 26.554385950300443,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "2019 - Winter Lviv Tournament - Middle",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35520,
            "time_control_parameters": {
                "period_time": 604800,
                "main_time": 604800,
                "system": "canadian",
                "pause_on_weekends": true,
                "time_control": "canadian",
                "stones_per_period": 21,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1460,
                "name": "Lviv Club",
                "summary": "Lviv Go Players Group",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-29T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2019-04-29T06:00:14.738501Z",
            "ended": "2019-08-03T06:59:47.722207Z",
            "start_waiting": "2019-04-29T06:00:13.111511Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 47062,
            "name": "May Correspondence tournament",
            "director": {
                "id": 607169,
                "username": "Koreadars",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/1910420678f28b78fe5b8898350c77ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2357.1359340613008,
                        "deviation": 75.92640303674303,
                        "volatility": 0.0600299512870185
                    }
                },
                "ranking": 34.76676980364381,
                "professional": false,
                "ui_class": ""
            },
            "description": "May Correspondence tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "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": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1778,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-05-01T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-05-01T08:00:37.877723Z",
            "ended": "2020-07-07T09:47:52.468534Z",
            "start_waiting": "2019-05-01T08:00:29.571502Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 33,
            "ranked": true
        },
        {
            "id": 36980,
            "name": "Correspondence 19x19 RR - May 2018 (β)",
            "director": {
                "id": 116299,
                "username": "riou",
                "country": "aq",
                "icon": "https://user-uploads.online-go.com/ec94d52b8f02220a0057c7c900b65047-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1471.008005441877,
                        "deviation": 64.10598063295498,
                        "volatility": 0.05938018775714291
                    }
                },
                "ranking": 23.851558438974205,
                "professional": false,
                "ui_class": ""
            },
            "description": "non-stop Correspondence 19x19 RoundRobin free for all. have fun!!! +。゜~”(゜∀゜)゜。+",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 2214,
                "name": "Dogs fun",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-05-19T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-05-17T09:10:33.466360Z",
            "ended": "2018-07-28T14:16:00.385766Z",
            "start_waiting": "2018-05-17T09:10:28.454215Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}