List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=5720
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58823,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=5721",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=5719",
    "results": [
        {
            "id": 68764,
            "name": "19x19 Tornament",
            "director": {
                "id": 878148,
                "username": "LightningSword9",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e803ae1155f71ea2d5939a299c78a89a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 857.9160778417479,
                        "deviation": 70.2083462414838,
                        "volatility": 0.060014505833218754
                    }
                },
                "ranking": 11.369150680113405,
                "professional": false,
                "ui_class": ""
            },
            "description": "Here is the new 19x19 tornament, the first one for this group, good luck!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7438,
                "name": "Practice Group.",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-12T09:00:00Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-12T09:00:40.201013Z",
            "ended": "2023-04-12T23:59:12.977679Z",
            "start_waiting": "2020-12-12T09:00:39.608081Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 21,
            "ranked": true
        },
        {
            "id": 120773,
            "name": "9x9 Open D.E. Cup #150",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1428.7607772259034,
                        "deviation": 69.43294160708245,
                        "volatility": 0.06017334395576651
                    }
                },
                "ranking": 23.17695807323701,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 694,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-10-06T19:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-05T22:01:38.106953Z",
            "ended": "2025-11-05T12:53:09.429429Z",
            "start_waiting": "2024-10-05T22:01:37.987640Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 129593,
            "name": "Summer 2025",
            "director": {
                "id": 422739,
                "username": "dinesh.ramdhayan",
                "country": "mu",
                "icon": "https://secure.gravatar.com/avatar/75cc0a8cf6e5122173cd1fad55aed86f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2019.0107399322299,
                        "deviation": 62.000460285042514,
                        "volatility": 0.05999894199581147
                    }
                },
                "ranking": 31.18223222945815,
                "professional": false,
                "ui_class": ""
            },
            "description": "open to anyone",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1783,
                "name": "University of Toronto Go Club",
                "summary": "OGS group for The University of Toronto Go Club",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 75,
                "icon": "https://user-uploads.online-go.com/e59a13573ce512c0cb84dd5ea88cf1ce-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-06-25T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-06-25T19:00:06.775210Z",
            "ended": "2025-08-05T16:37:58.728334Z",
            "start_waiting": "2025-06-25T19:00:06.711329Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e59a13573ce512c0cb84dd5ea88cf1ce-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 112180,
            "name": "Blitz 13x13 Swiss Tournament 2024-01-29 19:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260303T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-03-03T07:00:40.909895Z",
                "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": "2026-03-03T11:00:00Z",
                "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": "2024-01-29T19:30:18.409184Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-01-29T19:31:18.138201Z",
            "ended": "2024-01-29T20:16:08.601870Z",
            "start_waiting": "2024-01-29T19:31:17.998443Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 37593,
            "name": "Blitz 13x13 Swiss Tournament 2018-05-25 19:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260303T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-03-03T07:00:40.909895Z",
                "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": "2026-03-03T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "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": "2018-05-25T19:30:38.874851Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-05-25T19:30:41.675954Z",
            "ended": "2018-05-25T20:23:39.698459Z",
            "start_waiting": "2018-05-25T19:30:40.859254Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 38038,
            "name": "Blitz 13x13 Swiss Tournament 2018-06-10 19:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260303T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-03-03T07:00:40.909895Z",
                "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": "2026-03-03T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "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": "2018-06-10T19:30:20.898120Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-06-10T19:30:23.835402Z",
            "ended": "2018-06-10T20:30:50.597359Z",
            "start_waiting": "2018-06-10T19:30:22.838840Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 114549,
            "name": "GLAD GO #9 Simul Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1928.7374822360814,
                        "deviation": 74.94776378579382,
                        "volatility": 0.05981425176768912
                    }
                },
                "ranking": 30.123304370030002,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSimul McMahon tournament every 1st.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 69,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-05-01T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 33,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-01T04:00:41.199216Z",
            "ended": "2024-10-14T16:05:00.964984Z",
            "start_waiting": "2024-05-01T04:00:41.000118Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 16180,
            "name": "Blitz 13x13 Swiss Tournament 2016-03-30 19:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260303T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-03-03T07:00:40.909895Z",
                "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": "2026-03-03T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "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": "2016-03-30T19:30:58.022599Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-03-30T19:30:59.747735Z",
            "ended": "2016-03-30T20:42:16.104058Z",
            "start_waiting": "2016-03-30T19:30:59.445322Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 95855,
            "name": "19x19 Double elimination.",
            "director": {
                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0554496406809,
                        "deviation": 84.91308607572303,
                        "volatility": 0.076882078105041
                    }
                },
                "ranking": 15.194279748149173,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone is welcome.\nIt is capped at 16 players. An identical tournament that starts after one month or at 16 players will be created as soon as this tournament starts.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 19080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 16200,
                "initial_time": 259200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 360,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-11-20T00:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-11-09T21:50:55.974398Z",
            "ended": "2023-05-05T13:29:36.693152Z",
            "start_waiting": "2022-11-09T21:50:55.757068Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 69842,
            "name": "Live 19x19 Swiss Tournament 2021-01-07 12:30",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260303T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-03-03T08:00:40.906085Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "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": "2026-03-03T12:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-01-07T12:30:46.675821Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-01-07T12:31:45.840283Z",
            "ended": "2021-01-07T13:23:11.224448Z",
            "start_waiting": "2021-01-07T12:31:45.547345Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 6,
            "ranked": true
        }
    ]
}