List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=730
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60302,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=731",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=729",
    "results": [
        {
            "id": 43440,
            "name": "Blitz 13x13 Swiss Tournament 2018-12-06 19:30",
            "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:20260718T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-07-18T15:00:48.689274Z",
                "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": "2026-07-18T19:00:00Z",
                "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": "2018-12-06T19:30:23.533570Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-12-06T19:30:26.326627Z",
            "ended": "2018-12-06T20:18:03.236423Z",
            "start_waiting": "2018-12-06T19:30:25.416907Z",
            "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": 63955,
            "name": "Live 19x19 Swiss Tournament 2020-08-05 08:30",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260718T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-07-18T16:00:48.678382Z",
                "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": "2026-07-18T20:00:00Z",
                "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": "2020-08-05T08:30:48.948674Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-08-05T08:30:50.626723Z",
            "ended": "2020-08-05T10:14:07.170279Z",
            "start_waiting": "2020-08-05T08:30:50.220797Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 15208,
            "name": "Blitz 13x13 Swiss Tournament 2016-02-24 19:30",
            "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:20260718T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-07-18T15:00:48.689274Z",
                "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": "2026-07-18T19:00:00Z",
                "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": "2016-02-24T19:30:03.375045Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-02-24T19:30:05.095716Z",
            "ended": "2016-02-24T20:36:29.452390Z",
            "start_waiting": "2016-02-24T19:30:04.879762Z",
            "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": 26758,
            "name": "Monthly Simultaneous McMahon 2017-05-16 17:00",
            "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": 10,
                "name": "Monthly Simultaneous McMahon",
                "rrule": "DTSTART:20260701T170000Z\nRRULE:FREQ=MONTHLY",
                "active": true,
                "created": "2015-12-16T02:47:16.592231Z",
                "last_run": "2026-07-01T17:00:17.531176Z",
                "lead_time_seconds": 1296000,
                "tournament_type": "s_mcmahon",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 20,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": 3,
                    "upper_bar": "25",
                    "lower_bar": "15",
                    "group_size": 5,
                    "maximum_players": 200
                },
                "next_run": "2026-08-01T17:00:00Z",
                "base_points": "50.0"
            },
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-05-16T17:00:52.031747Z",
            "players_start": 50,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-16T17:02:15.344058Z",
            "ended": "2018-12-06T22:15:59.053096Z",
            "start_waiting": "2017-05-16T17:01:49.625802Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 100,
            "ranked": true
        },
        {
            "id": 92236,
            "name": "please come to the 19x19 tournament",
            "director": {
                "id": 1145806,
                "username": "YT_Mr. Hosi",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/21b416fe0f4a7a32cca71355af09a5eb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1249.2711633811136,
                        "deviation": 65.72296078363976,
                        "volatility": 0.059936400912794126
                    }
                },
                "ranking": 20.069136151501784,
                "professional": false,
                "ui_class": ""
            },
            "description": "please come to the 19x19 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 30
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9,
                "name": "Русская группа",
                "summary": "Интересные, призовые турниры.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1962,
                "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-07-09T13:00:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-07-11T11:20:17.698149Z",
            "ended": "2022-07-11T11:23:17.934732Z",
            "start_waiting": "2022-07-11T11:20:17.645656Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 36370,
            "name": "First AOGC Correspondence Tournament",
            "director": {
                "id": 510628,
                "username": "cary_j",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/4e0ece68975e89a63ad3869e8a21f2c1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2094.2778766158417,
                        "deviation": 196.96276217361648,
                        "volatility": 0.06000208699030062
                    }
                },
                "ranking": 32.02954876493618,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Please note: No pauses on weekends, and no vacations",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 87840,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 129600,
                "max_time": 1209600,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2246,
                "name": "Australian Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-04-17T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-04-17T08:00:29.487232Z",
            "ended": "2018-11-14T03:39:57.049728Z",
            "start_waiting": "2018-04-17T08:00:26.378344Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 21300,
            "name": "Blitz 13x13 Swiss Tournament 2016-10-08 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:20260718T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-07-18T15:00:48.689274Z",
                "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": "2026-07-18T19:00:00Z",
                "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": "2016-10-08T11:30:20.710260Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-10-08T11:34:22.569493Z",
            "ended": "2016-10-08T11:53:14.426445Z",
            "start_waiting": "2016-10-08T11:34:22.294690Z",
            "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": 11323,
            "name": "long fair with handicap",
            "director": {
                "id": 114073,
                "username": "elma.218",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/c451275c8b10a1d6c4052257d70c3cd1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1787.7450440536031,
                        "deviation": 64.86830524553237,
                        "volatility": 0.05997042542835535
                    }
                },
                "ranking": 28.365974887281094,
                "professional": false,
                "ui_class": ""
            },
            "description": "long-its fair",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 265920,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 447,
                "name": "turkey go players team",
                "summary": "Kader Oyunu (the game of destiny)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 169,
                "icon": "https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-10-08T20:08:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-10-11T10:55:41.754125Z",
            "ended": "2016-07-01T14:28:49.569086Z",
            "start_waiting": "2015-10-11T10:55:41.597915Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 92266,
            "name": "Blitz 13x13 Swiss Tournament 2022-07-10 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:20260718T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-07-18T15:00:48.689274Z",
                "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": "2026-07-18T19:00:00Z",
                "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": "2022-07-10T11:30:16.120845Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-07-10T11:30:17.513323Z",
            "ended": "2022-07-10T12:10:59.369206Z",
            "start_waiting": "2022-07-10T11:30:17.391271Z",
            "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": 94467,
            "name": "Live 19x19 Swiss Tournament 2022-09-10 12:30",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260718T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-07-18T16:00:48.678382Z",
                "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": "2026-07-18T20:00:00Z",
                "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": "2022-09-10T12:30:16.511346Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-10T12:30:16.712847Z",
            "ended": "2022-09-10T14:04:15.944482Z",
            "start_waiting": "2022-09-10T12:30:16.574530Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}