List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5381
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60072,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5382",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5380",
    "results": [
        {
            "id": 10118,
            "name": "Poznań 19x19 Avgust 2015",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 762.296275412008,
                        "deviation": 64.55060914934347,
                        "volatility": 0.059132785039090134
                    }
                },
                "ranking": 8.633492253841816,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "dfz brtew",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 20,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 476,
                "name": "Zbiegłe kurczaki",
                "summary": "Group for players from Kurnik / PlayOK",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 56,
                "icon": "https://user-uploads.online-go.com/daca8770a5adf92b79ec6207d56ba4a2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-08-21T16:58:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 7,
            "max_ranking": 17,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-08-21T16:58:54.054333Z",
            "ended": "2015-08-21T17:40:03.505866Z",
            "start_waiting": "2015-08-21T16:58:53.931794Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/daca8770a5adf92b79ec6207d56ba4a2-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 128060,
            "name": "Honinbo Shuusaku Vs Tōya Akira Vs Hikaru Shindo No Go",
            "director": {
                "id": 1744286,
                "username": "GM.Chu1wee.PBI",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/45cb97a3beda09bd740546bd842ed7b2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 676.3934248137774,
                        "deviation": 66.26174558512402,
                        "volatility": 0.060065171175311335
                    }
                },
                "ranking": 5.8656690662357205,
                "professional": false,
                "ui_class": ""
            },
            "description": "Honinbo Shuusaku Vs Tōya Akira Vs Hikaru Shindo No Go",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14340,
                "name": "HackerGO.",
                "summary": "<strong><h1>Welcome to my group page!!!</strong></h1>\n<strong><h2> This page make by css.</strong></h2>\n\n<b class=\"hr anim\"></b>\n<h2>Free source for decorate profile</h2>\nIf you like the design of my page, add the following line to your bio:\n\n(link rel=\"st",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 102,
                "icon": "https://user-uploads.online-go.com/6c711586e8252cb78c5b436af5fd7209-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-05-01T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-01T22:30:38.459401Z",
            "ended": "2025-05-02T05:35:16.145151Z",
            "start_waiting": "2025-05-01T22:30:38.398708Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6c711586e8252cb78c5b436af5fd7209-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 103295,
            "name": "kkkkosdefhoaedncoakcnlaskn",
            "director": {
                "id": 832318,
                "username": "miguel0204",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/471c6f87781deced9d324ef7093a8382?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1512.9146229729881,
                        "deviation": 61.86826186404416,
                        "volatility": 0.060012243764688264
                    }
                },
                "ranking": 24.50184472776037,
                "professional": false,
                "ui_class": ""
            },
            "description": "kkkkk",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 34,
            "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": 13117,
                "name": "alunos verissimo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 110,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-16T13:00:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-16T13:00:00.966267Z",
            "ended": "2023-05-16T13:20:16.294814Z",
            "start_waiting": "2023-05-16T13:00:00.908156Z",
            "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": 31721,
            "name": "LET US DO THIS PART 2",
            "director": {
                "id": 447072,
                "username": "Vivian-Mana-Kendall",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/5ae9bdff5a76539b6a2e63337281eaa8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1565.4719920758496,
                        "deviation": 61.98304631563931,
                        "volatility": 0.06002090339547554
                    }
                },
                "ranking": 25.292402565845087,
                "professional": false,
                "ui_class": ""
            },
            "description": "BOOP This is enough",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1840,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 3600,
                "max_time": 3600,
                "time_increment": 1800,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1838,
                "name": "The Unusual Pack",
                "summary": "For those who go up in ranking and then hit that wall.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/6558d2a006496b901cb456e3373e391b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-11-08T01:45:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-11-08T01:45:21.124612Z",
            "ended": "2017-11-08T03:20:33.179265Z",
            "start_waiting": "2017-11-08T01:45:20.870713Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6558d2a006496b901cb456e3373e391b-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 57300,
            "name": "Julko's mini tournament XXVI",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 878.7247966784927,
                        "deviation": 67.30028237692554,
                        "volatility": 0.059270927315771986
                    }
                },
                "ranking": 11.923951507498291,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Just Go!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 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": true,
            "time_start": "2020-03-12T04:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-12T04:00:17.509386Z",
            "ended": "2020-07-12T17:09:07.449517Z",
            "start_waiting": "2020-03-12T04:00:15.138807Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 63279,
            "name": "T1 Ultra tournament",
            "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": "Go to our group page to read rules.\n\n<big> If you are in another ultra tournament then you will be disqualified from both",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": true,
            "time_start": "2020-09-20T00:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-14T10:32:08.313399Z",
            "ended": "2020-10-16T23:41:21.052971Z",
            "start_waiting": "2020-08-14T10:32:07.772323Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 78241,
            "name": "Gospodjinci",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 board",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 28800,
                "initial_time": 259200,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 27,
                "name": "Serbian Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-07-31T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-31T16:00:54.011190Z",
            "ended": "2021-08-15T14:40:56.493667Z",
            "start_waiting": "2021-07-31T16:00:53.741625Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 33693,
            "name": "Hannah Cho is lovely",
            "director": {
                "id": 479639,
                "username": "Nicomachean Ethics",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/69b67c8c6e849ca65f8d2f289f28291f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2471.0663898077773,
                        "deviation": 72.14232633317815,
                        "volatility": 0.06002146630477017
                    }
                },
                "ranking": 35.85950766592663,
                "professional": false,
                "ui_class": ""
            },
            "description": "Land Economics",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 600,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 142,
                "name": "Sunjang Baduk - 순장바둑",
                "summary": "For those who would like to play Sunjang Baduk, a form of Go which was popular in Korea (Joseon) through the 16th century.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 199,
                "icon": "https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-01-15T09:35:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-01-15T09:35:18.213582Z",
            "ended": "2018-01-15T10:18:17.271152Z",
            "start_waiting": "2018-01-15T09:35:17.867497Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 103575,
            "name": "2ª ETAPA - ESTUDANTES FEMININO",
            "director": {
                "id": 805908,
                "username": "marcosrczr",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/6b2772f241c4e75eb7373fa32b3283b9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 917.6243027324846,
                        "deviation": 66.44761086575319,
                        "volatility": 0.06001801279592092
                    }
                },
                "ranking": 12.926723591689818,
                "professional": false,
                "ui_class": ""
            },
            "description": "Evento para estudantes",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6411,
                "name": "CIRCUITO ONLINE SME-SP",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 479,
                "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-26T22:30:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-05-26T22:30:57.884426Z",
            "ended": "2023-05-27T00:12:23.273443Z",
            "start_waiting": "2023-05-26T22:30:57.669918Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 34873,
            "name": "Kasukabe",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31680,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 119,
                "name": "TOKYO GO!",
                "summary": "Tokyo Go Players Meet Together!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 44,
                "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-06T17:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-03-06T17:00:21.837998Z",
            "ended": "2019-03-14T11:29:30.461759Z",
            "start_waiting": "2018-03-06T17:00:20.908937Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-15.png",
            "player_count": 19,
            "ranked": true
        }
    ]
}