List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=373
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60113,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=374",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=372",
    "results": [
        {
            "id": 42878,
            "name": "Lions 19x19 Swiss - November 2018",
            "director": {
                "id": 557899,
                "username": "🦁 Lvicala 🦁",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1215.5307681865688,
                        "deviation": 63.83387610820817,
                        "volatility": 0.060058613626475424
                    }
                },
                "ranking": 19.435301089469824,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 29760,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2773,
                "name": "Lions",
                "summary": "for all fighters like lion :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-20T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-20T16:00:53.885216Z",
            "ended": "2019-04-08T21:54:55.032747Z",
            "start_waiting": "2018-11-20T16:00:52.799440Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 89684,
            "name": "9x9 Mini League 10k-25k #44",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1367.588622677485,
                        "deviation": 69.4904002406682,
                        "volatility": 0.06023013142209927
                    }
                },
                "ranking": 22.163950658246716,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-05-08T20:10:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-05-08T09:24:05.968022Z",
            "ended": "2022-05-23T20:27:21.596945Z",
            "start_waiting": "2022-05-08T09:24:05.804064Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 123412,
            "name": "πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„New Year's Go tournament 9v9",
            "director": {
                "id": 1679852,
                "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 455.94942443569244,
                        "deviation": 73.05424876127188,
                        "volatility": 0.06008889600126372
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1518,
                "name": "Π“ΠΎ Π“ΡƒΠ½Ρ„Ρƒ",
                "summary": "Π“ΡƒΠ½Ρ„Ρƒ (мастСрство) - Π½Π°Π²Ρ‹ΠΊ, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΉ Ρ‚Ρ‹ ΡΠΎΠ²Π΅Ρ€ΡˆΠ΅Π½ΡΡ‚Π²ΡƒΠ΅ΡˆΡŒ бСсконСчно Π΄ΠΎΠ»Π³ΠΎ ΠΈ всСгда осознанно. РСгулярная ΠΈ осознанная Π½Π°Ρ€Π°Π±ΠΎΡ‚ΠΊΠ°, Π½Π΅ пСрСходя Π½Π° Π°Π²Ρ‚ΠΎΠΌΠ°Ρ‚ΠΈΠ·ΠΌ.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 53,
                "icon": "https://user-uploads.online-go.com/7a2a4ad48a818573f808f11af277368b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-31T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-22T08:15:38.198681Z",
            "ended": "2025-02-24T22:58:05.490765Z",
            "start_waiting": "2024-12-22T08:15:38.105466Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7a2a4ad48a818573f808f11af277368b-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 62891,
            "name": "Simple Correspondence 13x13 DDK 2020 August",
            "director": {
                "id": 302584,
                "username": "koast",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1518.190018088078,
                        "deviation": 64.08013528375135,
                        "volatility": 0.05996666523783403
                    }
                },
                "ranking": 24.58242625475131,
                "professional": false,
                "ui_class": ""
            },
            "description": "Counting is good for you!\n\nHave fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5017,
                "name": "Simple Correspondence",
                "summary": "2 days per move. No Analysis.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-01T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-08-01T23:00:30.216238Z",
            "ended": "2020-09-16T19:52:09.200515Z",
            "start_waiting": "2020-08-01T23:00:27.184008Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 105656,
            "name": "9x9 Mini League 10k-25k #167",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1367.588622677485,
                        "deviation": 69.4904002406682,
                        "volatility": 0.06023013142209927
                    }
                },
                "ranking": 22.163950658246716,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": true,
            "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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-30T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-27T05:36:57.346220Z",
            "ended": "2023-08-06T19:54:43.112540Z",
            "start_waiting": "2023-07-27T05:36:57.080687Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 70990,
            "name": "Auto handicap for 25-10k -- Tournament 5",
            "director": {
                "id": 902324,
                "username": "ζž—ε³»εΈŒ",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/16d8cf873ce39682456313cf977561db?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1238.2556866816683,
                        "deviation": 67.2057871599663,
                        "volatility": 0.060153671350274045
                    }
                },
                "ranking": 19.864105236973693,
                "professional": false,
                "ui_class": ""
            },
            "description": "Auto handicap",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8069,
                "name": "friend group",
                "summary": "ONLY FOR MY FRIENDS! SO FRIEND ME NOW!",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-09T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-06T05:10:25.548363Z",
            "ended": "2021-06-27T20:26:58.857844Z",
            "start_waiting": "2021-02-06T05:10:25.427000Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 33390,
            "name": "Road to SDK",
            "director": {
                "id": 135206,
                "username": "BenVsb",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/9959e354c236fbb8082399e5db1e36cd-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1294.3379070752537,
                        "deviation": 64.18874471317686,
                        "volatility": 0.06003197955500563
                    }
                },
                "ranking": 20.889548625852704,
                "professional": false,
                "ui_class": ""
            },
            "description": "Road to SDK with a tournament for DDK  and fast correspondence player. To do a review is recommended.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 38880,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 345600,
                "time_increment": 36000,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-01-10T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-01-04T16:48:26.995124Z",
            "ended": "2018-02-04T09:20:12.812854Z",
            "start_waiting": "2018-01-04T16:48:24.199314Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 117415,
            "name": "9x9 Mini League 10k-25k #240",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1367.588622677485,
                        "deviation": 69.4904002406682,
                        "volatility": 0.06023013142209927
                    }
                },
                "ranking": 22.163950658246716,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": true,
            "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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-06-30T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-06-29T08:36:28.663710Z",
            "ended": "2024-07-14T17:32:35.960657Z",
            "start_waiting": "2024-06-29T08:36:28.503138Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 49916,
            "name": "Training Ground Class 1 July 2019",
            "director": {
                "id": 87790,
                "username": "WiseBear",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1104.0021061102002,
                        "deviation": 62.08308547890164,
                        "volatility": 0.06028822213904829
                    }
                },
                "ranking": 17.207368885691388,
                "professional": false,
                "ui_class": ""
            },
            "description": "If you want to be stronger, then you should often play with those who are a little stronger than you. Training Grounds tournaments provide you with this opportunity.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3516,
                "name": "Game Of Stones",
                "summary": "This group is no longer operated.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 143,
                "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-07-22T00:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-07-22T00:00:14.492691Z",
            "ended": "2019-11-20T07:02:55.567705Z",
            "start_waiting": "2019-07-22T00:00:13.777390Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 98857,
            "name": "DDK Power 2023 13x13 Edition",
            "director": {
                "id": 1237754,
                "username": "Dr_Leadfoot",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/1455b564ea498d0bf879357d00274182-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1106.5754695090932,
                        "deviation": 61.349192007624794,
                        "volatility": 0.05999070616979341
                    }
                },
                "ranking": 17.261267369284024,
                "professional": false,
                "ui_class": ""
            },
            "description": "Small board, fast correspondence. Handicap enabled. Provisional players welcome.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 20450,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12568,
                "name": "League of Extraordinary Players",
                "summary": "We play Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-01T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-01T05:00:32.048959Z",
            "ended": "2024-01-11T23:59:18.236358Z",
            "start_waiting": "2023-04-01T05:00:31.788667Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 34,
            "ranked": true
        }
    ]
}