List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=board_size&page=3396
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59470,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3397",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3395",
    "results": [
        {
            "id": 112825,
            "name": "FREE Palestine",
            "director": {
                "id": 1515593,
                "username": "FREEpalestine1007",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/6bfe652787a72c8d2eadcd1d8320d2b7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2287.7245280591424,
                        "deviation": 110.16785555656872,
                        "volatility": 0.059978255328765016
                    }
                },
                "ranking": 34.07482493654518,
                "professional": false,
                "ui_class": ""
            },
            "description": "FREE Palestine",
            "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": true,
            "group": {
                "id": 14060,
                "name": "FREE Palestine",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-25T16:07:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-25T16:07:29.351625Z",
            "ended": "2024-09-11T06:53:30.071801Z",
            "start_waiting": "2024-02-25T16:07:29.167183Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 1943,
            "name": "nomadfarmer's mini-tournament",
            "director": {
                "id": 41015,
                "username": "nomadfarmer",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/c566ab286b8cf697a3bd7cd2afea89d6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1929.5523955071098,
                        "deviation": 72.13321514395165,
                        "volatility": 0.06007468195886125
                    }
                },
                "ranking": 30.13308343956734,
                "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": 383,
                "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": 16,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-01-22T22:13:06Z",
            "ended": "2013-01-22T21:13:06Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 124956,
            "name": "19x19 Open League #75",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1449.4206189958652,
                        "deviation": 69.7033743288012,
                        "volatility": 0.06016120028799529
                    }
                },
                "ranking": 23.509309294900017,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-16T22:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-12T13:26:25.834213Z",
            "ended": "2025-05-28T12:56:56.132553Z",
            "start_waiting": "2025-02-12T13:26:24.883581Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 121030,
            "name": "VML Trial Tournament [19x19]",
            "director": {
                "id": 103583,
                "username": "Aftiz",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/66aae2ca71ca69f866afb2be7f0dbfc5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1627.9801208317642,
                        "deviation": 64.247194503856,
                        "volatility": 0.05995406602672668
                    }
                },
                "ranking": 26.19878724238098,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is the first trial tournament to test how everything works and see how many people will join, whether it's familiar faces or new players who find us online. We're also considering different formats for future events, such as a double-elimination system. The goal is to determine the best way to organize future tournaments and how to present them in the most appealing way.\n________________________________________________________\n\nЭто первый пробный турнир, чтобы протестировать, как всё работает, и понять, сколько людей примет участие — знакомые лица или новые игроки, которые найдут нас случайно. Также рассматриваются разные форматы для будущих турниров, например, система с выбыванием после двух поражений. Цель — определить лучший способ организации соревнований и как их красиво оформить.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": true,
            "group": {
                "id": 14700,
                "name": "Victory Move League",
                "summary": "Welcome to Victory Move League! We are a group of Go enthusiasts hosting our own league. Join us and create an exciting story together!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/d9486464f7250f0ec41e4ddd2fb0edc7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-31T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-31T21:00:34.731780Z",
            "ended": "2025-09-13T01:53:22.779992Z",
            "start_waiting": "2024-10-31T21:00:33.012022Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d9486464f7250f0ec41e4ddd2fb0edc7-15.png",
            "player_count": 34,
            "ranked": true
        },
        {
            "id": 109962,
            "name": "Blitz 19x19 Elimination Tournament 2023-11-25 01:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260225T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-02-25T17:00:22.219853Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-02-25T21:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-11-25T01:30:53.384505Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-11-25T01:31:53.551664Z",
            "ended": "2023-11-25T01:51:35.974514Z",
            "start_waiting": "2023-11-25T01:31:53.401007Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 1938,
            "name": "sojiro's mini-tournament",
            "director": {
                "id": 26067,
                "username": "sojiro",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ae9e9f82694dd345a1b73959e5bff557?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.3706280112874,
                        "deviation": 65.6403172878186,
                        "volatility": 0.05995340979497268
                    }
                },
                "ranking": 26.55705553962402,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": 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": 383,
                "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": 6,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-03-11T04:29:14Z",
            "ended": "2013-03-11T03:29:14Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1937,
            "name": "dietrenke's handicap mini-tournament",
            "director": {
                "id": 24005,
                "username": "dietrenke",
                "country": "at",
                "icon": "https://secure.gravatar.com/avatar/d50b3fabb9f82d42b4e7e74b04b4957d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1597.211772457064,
                        "deviation": 62.668121005771816,
                        "volatility": 0.05974103240706842
                    }
                },
                "ranking": 25.757071587344953,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "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": 13,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-04-06T19:52:29Z",
            "ended": "2013-04-06T17:52:29Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2004,
            "name": "cadrach's mini-tournament",
            "director": {
                "id": 1084,
                "username": "cadrach",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/2987a4fc4e293f60e5f8238217f0e83c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2048.8669763107737,
                        "deviation": 62.362863871457584,
                        "volatility": 0.060047083691021096
                    }
                },
                "ranking": 31.522057726466798,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 1209600,
                "max_time": 2592000,
                "time_increment": 259200
            },
            "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": 383,
                "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": 25,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-17T17:40:54Z",
            "ended": "2012-12-17T16:40:54Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2003,
            "name": "klabauta's mini-tournament, come and enjoy",
            "director": {
                "id": 30685,
                "username": "klabauta",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/5996834ca04ccf507cd9994530b9b261?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1339.148332182119,
                        "deviation": 67.63199924917608,
                        "volatility": 0.059972648933788376
                    }
                },
                "ranking": 21.67744830002774,
                "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": 604800,
                "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": 383,
                "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": 5,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-01-31T23:08:10Z",
            "ended": "2013-01-31T22:08:10Z",
            "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,
            "ranked": true
        },
        {
            "id": 79406,
            "name": "testet",
            "director": {
                "id": 1043936,
                "username": "zarya0410",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/82e607a8fe3a572493e6cc7179cea5ec?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "sdfsdf",
            "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": 10004,
                "name": "smart go academy",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 16,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-08-29T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-29T07:09:18.488779Z",
            "ended": "2021-09-01T07:10:05.591733Z",
            "start_waiting": "2021-08-29T07:09:18.436372Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}