List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=77
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60625,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=78",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=76",
    "results": [
        {
            "id": 2320,
            "name": "Bentaye's mini-tournament",
            "director": {
                "id": 13250,
                "username": "Bentaye",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/e634650be997711b90d7163415d61eb1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1808.098042488414,
                        "deviation": 63.79466767567506,
                        "volatility": 0.05984361810153658
                    }
                },
                "ranking": 28.62804246598684,
                "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": 387,
                "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": 19,
            "max_ranking": 24,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-30T20:16:52Z",
            "ended": "2014-03-29T12:02:53.159904Z",
            "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": 2322,
            "name": "13x13 MT #2",
            "director": {
                "id": 50931,
                "username": "proximus63",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/7b6e4484f3aa94aeb33d527be3543ffe-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 696.8971781740913,
                        "deviation": 66.37048324133268,
                        "volatility": 0.060137297492055215
                    }
                },
                "ranking": 6.556997127368995,
                "professional": false,
                "ui_class": "supporter"
            },
            "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": 387,
                "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": 1,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-09-22T17:07:34Z",
            "ended": "2013-09-22T15:07:34Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2314,
            "name": "13x13 MT",
            "director": {
                "id": 50931,
                "username": "proximus63",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/7b6e4484f3aa94aeb33d527be3543ffe-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 696.8971781740913,
                        "deviation": 66.37048324133268,
                        "volatility": 0.060137297492055215
                    }
                },
                "ranking": 6.556997127368995,
                "professional": false,
                "ui_class": "supporter"
            },
            "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": 387,
                "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": 0,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-07T01:22:56Z",
            "ended": "2013-10-27T16:04:51.464390Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2321,
            "name": "solomonko's mini-tournament",
            "director": {
                "id": 49348,
                "username": "solomonko",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/c46e5c3fb9545721e483dc061e1bb47e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1681.2389884238842,
                        "deviation": 69.82385505298559,
                        "volatility": 0.060055653811659504
                    }
                },
                "ranking": 26.944007919981786,
                "professional": false,
                "ui_class": "supporter"
            },
            "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": 387,
                "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": 19,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-10T20:41:36Z",
            "ended": "2013-11-21T07:03:04.284711Z",
            "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": 109291,
            "name": "Blitz 13x13 Swiss Tournament 2023-11-06 11:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260814T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-08-14T19:00:29.942333Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-08-14T23:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-11-06T11:30:14.268851Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-11-06T11:31:14.412833Z",
            "ended": "2023-11-06T12:20:14.499356Z",
            "start_waiting": "2023-11-06T11:31:14.273499Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 2319,
            "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": "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": 387,
                "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": 9,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-09-27T10:28:45Z",
            "ended": "2013-09-27T08:28:45Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2315,
            "name": "50-30kyu Tournament 1",
            "director": {
                "id": 50128,
                "username": "InterestingMan",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d65d09a57dfa860c45143711b684b844?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1062.357381391259,
                        "deviation": 93.42285220789576,
                        "volatility": 0.05999007100057011
                    }
                },
                "ranking": 16.317217308115058,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1209600,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 1209600
            },
            "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": 387,
                "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": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-10-14T13:47:38Z",
            "ended": "2013-10-14T11:47:38Z",
            "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": 2313,
            "name": "beidao's mini-tournament",
            "director": {
                "id": 12516,
                "username": "beidao",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/59a2fd07c62e453c1050a020696090aa?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 995.454570184927,
                        "deviation": 63.453394567703505,
                        "volatility": 0.05972874626759784
                    }
                },
                "ranking": 14.811398351757724,
                "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": 387,
                "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": 12,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-10-14T20:29:10Z",
            "ended": "2013-10-14T18:29:10Z",
            "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": 2317,
            "name": "Hikaris Just-For-Fun-Tournament 2",
            "director": {
                "id": 20370,
                "username": "HikarisGo",
                "country": "ch",
                "icon": "https://user-uploads.online-go.com/4fca2f8e7932b9cbf07a7c8d52acf1e6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 932.7021074403569,
                        "deviation": 75.59572910356786,
                        "volatility": 0.05995283926118546
                    }
                },
                "ranking": 13.304018001201374,
                "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": 432000,
                "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": 387,
                "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": "2013-08-11T05:58:55Z",
            "ended": "2013-11-25T00:17:23.562479Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2318,
            "name": "The 1K Challenge!",
            "director": {
                "id": 50841,
                "username": "deleteme",
                "country": "nl",
                "icon": "https://secure.gravatar.com/avatar/02fa0df5164c2dc6739e2b88a0028bfc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1536.721050074547,
                        "deviation": 73.31416439099094,
                        "volatility": 0.06001826584601807
                    }
                },
                "ranking": 24.863284612193148,
                "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": 387,
                "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": 23,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-22T19:39:10Z",
            "ended": "2014-01-11T22:33:24.695350Z",
            "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
        }
    ]
}