List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-board_size&page=154
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58958,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=155",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=153",
    "results": [
        {
            "id": 126680,
            "name": "death hh",
            "director": {
                "id": 1743417,
                "username": "viuo",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c9869689f99539a5c2ce7b9c714673a4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 776.4194854218896,
                        "deviation": 73.21995259257929,
                        "volatility": 0.060027180406176855
                    }
                },
                "ranking": 9.058471970051594,
                "professional": false,
                "ui_class": ""
            },
            "description": "dddddd",
            "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": 11035,
                "name": "Pokémon",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-22T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-24T21:41:16.449278Z",
            "ended": "2025-04-26T13:17:12.831390Z",
            "start_waiting": "2025-04-24T21:41:16.383169Z",
            "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": 1021,
            "name": "1. Tenuki-Tyrann Turnier",
            "director": {
                "id": 23723,
                "username": "Tergalon",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/0d301360702c7b84dc5011d415884040?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1599.516864569746,
                        "deviation": 66.00496671217826,
                        "volatility": 0.05994434386147867
                    }
                },
                "ranking": 25.790457525105985,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 1209600,
                "max_time": 1728000,
                "time_increment": 86400
            },
            "is_open": false,
            "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": 384,
                "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-08-25T19:54:57Z",
            "ended": "2010-08-25T17:54:57Z",
            "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": 1020,
            "name": "Koworu's mini-tournament",
            "director": {
                "id": 18317,
                "username": "Koworu",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fc50c6bedbf20e687f14e33c1ed34eb0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1751.1741032696373,
                        "deviation": 63.61724873998119,
                        "volatility": 0.059966677759709666
                    }
                },
                "ranking": 27.88749692120436,
                "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": 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": 384,
                "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": 20,
            "max_ranking": 24,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-02-13T07:59:33Z",
            "ended": "2010-02-13T06:59:33Z",
            "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": 1019,
            "name": "Fragnix's Musing Meetings - Big Chinese",
            "director": {
                "id": 27708,
                "username": "fragnix",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f923149275abc4f0c8a031e8a9f991db-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1288.262978420763,
                        "deviation": 62.03911131299328,
                        "volatility": 0.0599600014565973
                    }
                },
                "ranking": 20.780639147409133,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 384,
                "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": 9,
            "max_ranking": 18,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-08-05T11:01:13Z",
            "ended": "2010-08-05T09:01:13Z",
            "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": 126679,
            "name": "zzzzzz",
            "director": {
                "id": 845981,
                "username": "Nahuelaun",
                "country": "uy",
                "icon": "https://user-uploads.online-go.com/d612c0f7013f45d428185141cab0de27-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 817.8345954025419,
                        "deviation": 69.9682731669557,
                        "volatility": 0.06178058068715532
                    }
                },
                "ranking": 10.261511768591344,
                "professional": false,
                "ui_class": ""
            },
            "description": "ssddddde\njbvg",
            "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": 14868,
                "name": "Study group 9x9, 13x13, 19x19",
                "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-22T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-23T17:45:17.631056Z",
            "ended": "2025-03-31T16:18:34.981753Z",
            "start_waiting": "2025-03-23T17:45:17.573288Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 1037,
            "name": "le144's mini-tournament",
            "director": {
                "id": 22853,
                "username": "le144",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/0182b594c16fab533d42eb9607db9275?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1127.8013695241411,
                        "deviation": 62.7870258256963,
                        "volatility": 0.05984436054912587
                    }
                },
                "ranking": 17.701116511069984,
                "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": 384,
                "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": 14,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-05-07T08:08:49Z",
            "ended": "2010-05-07T06:08:49Z",
            "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": 1036,
            "name": "Kaito234's Christmas Invitational",
            "director": {
                "id": 22631,
                "username": "Kaito234",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/4fa33b4fa301e444fb834c4345d6d836?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 911.7375469726643,
                        "deviation": 79.95743598144517,
                        "volatility": 0.05998804938084198
                    }
                },
                "ranking": 12.777732984659018,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": false,
            "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": 384,
                "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-05-07T09:58:04Z",
            "ended": "2010-05-07T07:58:04Z",
            "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": 119826,
            "name": "ROBLOX TOURNAMENT",
            "director": {
                "id": 1053363,
                "username": "Dean_Huawei",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/8ba2f57b818d3e60115468503df064a6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 755.1535669003812,
                        "deviation": 66.541419992615,
                        "volatility": 0.060035846864767366
                    }
                },
                "ranking": 8.415554344254035,
                "professional": false,
                "ui_class": ""
            },
            "description": "EVERYONE CAN JOIN",
            "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": 11548,
                "name": "Weelo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 88,
                "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-09-03T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-22T13:17:17.521163Z",
            "ended": "2025-03-31T13:34:24.109388Z",
            "start_waiting": "2025-03-22T13:17:17.433906Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 126676,
            "name": "Blitz 19x19 Elimination Tournament 2025-03-22 13:30",
            "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 Site-wide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260314T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-03-14T09:00:10.912637Z",
                "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": "2026-03-14T13:00:00Z",
                "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": "2025-03-22T13:30:17.437222Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-03-22T13:31:17.564008Z",
            "ended": "2025-03-22T14:35:28.739177Z",
            "start_waiting": "2025-03-22T13:31:17.437847Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 1033,
            "name": "Ronnie_007's mini-tournament",
            "director": {
                "id": 26869,
                "username": "Ronnie_007",
                "country": "aq",
                "icon": "https://secure.gravatar.com/avatar/4f548b8c3dc6b363c01187faec13c5a2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1379.3411322115244,
                        "deviation": 67.29094359021151,
                        "volatility": 0.05999829532402111
                    }
                },
                "ranking": 22.36204254997949,
                "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": "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": 384,
                "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": 0,
            "max_ranking": 6,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-01-26T00:00:25Z",
            "ended": "2011-01-25T23:00:25Z",
            "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
        }
    ]
}