List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-time_per_move&page=4431
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59195,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-time_per_move&page=4432",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-time_per_move&page=4430",
    "results": [
        {
            "id": 138053,
            "name": "JORNADA 1 DE ENTRENAMIENTO BÁSICO DE GO VERANO 2026",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1171.207886687557,
                        "deviation": 60.582228588721904,
                        "volatility": 0.059730739267367286
                    }
                },
                "ranking": 18.575389024397857,
                "professional": false,
                "ui_class": ""
            },
            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
            "schedule": null,
            "title": null,
            "tournament_type": "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": 10,
                "initial_time": 600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14953,
                "name": "Kanik",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-08T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2026-03-08T00:35:20.255837Z",
            "ended": "2026-03-08T01:19:08.981579Z",
            "start_waiting": "2026-03-08T00:35:20.139907Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 71716,
            "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": 1651.3487276065237,
                        "deviation": 68.39959058760383,
                        "volatility": 0.05992636422453677
                    }
                },
                "ranking": 26.52872817189696,
                "professional": false,
                "ui_class": "aga"
            },
            "description": "Sunday 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": 120
            },
            "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": "2021-02-21T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-02-21T18:00:03.395360Z",
            "ended": "2021-02-21T19:00:16.521956Z",
            "start_waiting": "2021-02-21T18:00:03.127465Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 65135,
            "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": 1651.3487276065237,
                        "deviation": 68.39959058760383,
                        "volatility": 0.05992636422453677
                    }
                },
                "ranking": 26.52872817189696,
                "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": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": "2020-09-06T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-06T17:00:41.084100Z",
            "ended": "2020-09-06T18:01:21.627430Z",
            "start_waiting": "2020-09-06T17:00:40.609338Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 62634,
            "name": "13x13 1/7/20",
            "director": {
                "id": 622823,
                "username": "MrSuth",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/a67b4fec70f832da8e714ed1dea0d839-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.6809633316159,
                        "deviation": 62.7562486869202,
                        "volatility": 0.05999371942931435
                    }
                },
                "ranking": 22.55158512248858,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "13x13 1/7/20",
            "schedule": null,
            "title": null,
            "tournament_type": "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": 420
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5519,
                "name": "BSC GO",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/ef9477f87ad4d190ffab53eba8347ec3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-01T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-01T14:54:10.720241Z",
            "ended": "2020-07-01T16:07:53.071605Z",
            "start_waiting": "2020-07-01T14:54:10.241007Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ef9477f87ad4d190ffab53eba8347ec3-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 127782,
            "name": "Test 02",
            "director": {
                "id": 570487,
                "username": "GO_Learner",
                "country": "ma",
                "icon": "https://user-uploads.online-go.com/d3e97792e2d0932c7fd7ff68e8555919-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 561.5693844224456,
                        "deviation": 64.84691574188653,
                        "volatility": 0.06001503782696889
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "test 02",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 20,
                "initial_time": 300,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15266,
                "name": "go_CJD",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 26,
                "icon": "https://user-uploads.online-go.com/5fec240b630aa9b2114efff586b74a8c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-23T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-23T17:41:29.243495Z",
            "ended": "2025-04-23T19:04:39.312564Z",
            "start_waiting": "2025-04-23T17:41:29.112618Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fec240b630aa9b2114efff586b74a8c-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 65463,
            "name": "Testing 123",
            "director": {
                "id": 844998,
                "username": "DylanPM",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/a38535274a56b9e86160d5860e46bdb9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1337.6891060937023,
                        "deviation": 290.31896371798047,
                        "volatility": 0.05999967537233814
                    }
                },
                "ranking": 21.652208749198074,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "test of a tournaeitwgw",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6822,
                "name": "Games 101 Fall 2020 Wednesday 4PM",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/1f46c2080042e7feb0b4b215f5589062-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-14T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-14T22:00:09.238949Z",
            "ended": "2020-09-14T22:33:58.440248Z",
            "start_waiting": "2020-09-14T22:00:08.963399Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1f46c2080042e7feb0b4b215f5589062-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 77720,
            "name": "dfktkydktkt",
            "director": {
                "id": 1023117,
                "username": "SCPS4A24",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/a0a284057becfa7f0b0af57527e852f8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1366.0116260381594,
                        "deviation": 93.68944946253366,
                        "volatility": 0.060006302643667964
                    }
                },
                "ranking": 22.137240479048046,
                "professional": false,
                "ui_class": ""
            },
            "description": "tmemt87rkhiuf",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9709,
                "name": "toby  0820",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-18T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-19T12:06:31.797497Z",
            "ended": "2021-07-19T12:11:34.516639Z",
            "start_waiting": "2021-07-19T12:06:31.667086Z",
            "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": 89354,
            "name": "name asdf a",
            "director": {
                "id": 86116,
                "username": "Chris10",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1390086e36b7eb026e82b2fbb3c31e33?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "asdf. afsd asdf",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11709,
                "name": "Test group 2",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-29T20:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-26T00:14:15.225180Z",
            "ended": "2022-09-26T00:19:36.530520Z",
            "start_waiting": "2022-09-26T00:14:15.168682Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 135887,
            "name": "2025元旦杯",
            "director": {
                "id": 1864725,
                "username": "符某人",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/c44743389e6442e43a8fd455c259d88b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1492.1467648068137,
                        "deviation": 66.67647470190859,
                        "volatility": 0.05998339429035597
                    }
                },
                "ranking": 24.181862199022287,
                "professional": false,
                "ui_class": ""
            },
            "description": "公历新年1月1日。\n游戏特殊规则:轮空的选手将自动判负。",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16040,
                "name": "CRBW比赛专用",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "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": "2026-01-01T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-01T11:00:46.055162Z",
            "ended": "2026-01-01T11:11:03.475652Z",
            "start_waiting": "2026-01-01T11:00:46.002369Z",
            "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": 59333,
            "name": "Burgers",
            "director": {
                "id": 749776,
                "username": "TheABCBumblebee",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/1f795cf8e817f79332885ee2aecdbc97-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 954.7072568007593,
                        "deviation": 63.07353262081345,
                        "volatility": 0.059999761516800074
                    }
                },
                "ranking": 13.843850324884196,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4767,
                "name": "WeiqiMath",
                "summary": "Math rule is invented to replicate the original go rule. The score is the number of stones surviving on the board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 83,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-19T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-21T14:56:12.694479Z",
            "ended": "2020-04-21T15:26:34.861936Z",
            "start_waiting": "2020-04-21T14:56:12.290079Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}