List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=368
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58979,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=369",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=367",
    "results": [
        {
            "id": 124235,
            "name": "power two heart",
            "director": {
                "id": 678723,
                "username": "kussbas",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/a05bce726085c9986e27e83f6a369394-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1232.4359862521858,
                        "deviation": 67.78015410841112,
                        "volatility": 0.0603625458977511
                    }
                },
                "ranking": 19.75504564399529,
                "professional": false,
                "ui_class": ""
            },
            "description": "И победит сильнейший.\nAnd the strongest will win.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87426,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 129600,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12100,
                "name": "GoBanDit+",
                "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 65,
                "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-12T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-12T12:00:38.710050Z",
            "ended": "2025-06-19T07:04:29.237264Z",
            "start_waiting": "2025-01-12T12:00:38.634946Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 1664,
            "name": "TedErnst's mini-tournament",
            "director": {
                "id": 7781,
                "username": "ThornsFan",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/4df0f17546b2749c9896c4ae9a13c66d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1326.9484859447628,
                        "deviation": 62.41508550443843,
                        "volatility": 0.05974564346244173
                    }
                },
                "ranking": 21.4655817168294,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-12-11T20:44:23Z",
            "ended": "2011-12-11T19:44:23Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 3369,
            "name": "death match",
            "director": {
                "id": 73094,
                "username": "hikaru1no1go",
                "country": "pk",
                "icon": "https://user-uploads.online-go.com/321d8cdbe7db0f9c7a8fa0c3059ca751-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1582.0014365944573,
                        "deviation": 64.84465326691476,
                        "volatility": 0.06006480111490102
                    }
                },
                "ranking": 25.535556427004384,
                "professional": false,
                "ui_class": ""
            },
            "description": "kill or be killed",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 313,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 300,
                "main_time": 1200,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17853,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-11-08T14:35:45.994131Z",
            "ended": "2014-11-08T16:46:09.800482Z",
            "start_waiting": "2014-11-08T14:35:45.789720Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 422,
            "name": "Be a �竜 (Go Dragon)! **1 day/move!**",
            "director": {
                "id": 2960,
                "username": "Ralke",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c328ec3e4fa6fcb8e3355ee965a724a1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1548.253432486618,
                        "deviation": 64.35886022735019,
                        "volatility": 0.060022935741669906
                    }
                },
                "ranking": 25.036366041532403,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 14,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-05-21T09:21:57Z",
            "ended": "2008-05-21T07:21:57Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2331,
            "name": "emistichio's mini-tournament",
            "director": {
                "id": 39842,
                "username": "emistichio",
                "country": "it",
                "icon": "https://secure.gravatar.com/avatar/b785a70fd6793c763688d7396afef657?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1659.7121401700329,
                        "deviation": 64.18187108752066,
                        "volatility": 0.05996951887962468
                    }
                },
                "ranking": 26.645677645398223,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 11,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-30T17:15:40Z",
            "ended": "2013-11-08T19:12:07.916595Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 95641,
            "name": "1st Trying for SDK, fast round robin",
            "director": {
                "id": 886972,
                "username": "Babbo Bruno",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1065.86606558932,
                        "deviation": 64.85065511570551,
                        "volatility": 0.05980179612261481
                    }
                },
                "ranking": 16.393549624528596,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "You must make an average of 3 moves per day.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 259200,
                "max_time": 345600
            },
            "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": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-10-15T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 17,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-15T20:00:23.655402Z",
            "ended": "2022-12-03T02:30:14.643599Z",
            "start_waiting": "2022-10-15T20:00:23.509454Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 78082,
            "name": "havefun",
            "director": {
                "id": 1008124,
                "username": "BCCG6PINE",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d52536230e4fb9fbc4caa5f21f22614e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1115.337445537608,
                        "deviation": 66.409041647751,
                        "volatility": 0.06011325479886125
                    }
                },
                "ranking": 17.443849499420548,
                "professional": false,
                "ui_class": ""
            },
            "description": "hello",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17853,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-27T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-28T04:41:21.873124Z",
            "ended": "2021-08-18T11:01:30.690561Z",
            "start_waiting": "2021-07-28T04:41:21.730318Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2329,
            "name": "TedSarvata's mini-tournament",
            "director": {
                "id": 7781,
                "username": "ThornsFan",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/4df0f17546b2749c9896c4ae9a13c66d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1326.9484859447628,
                        "deviation": 62.41508550443843,
                        "volatility": 0.05974564346244173
                    }
                },
                "ranking": 21.4655817168294,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-19T20:39:48Z",
            "ended": "2014-03-14T10:50:18.515615Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1316,
            "name": "1. Tournament of the Happy Cat",
            "director": {
                "id": 23723,
                "username": "Tergalon",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/0d301360702c7b84dc5011d415884040?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1599.516864569746,
                        "deviation": 66.00496671217826,
                        "volatility": 0.05994434386147867
                    }
                },
                "ranking": 25.790457525105985,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-03-08T11:37:36Z",
            "ended": "2011-03-08T10:37:36Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2044,
            "name": "nwurd's mini-tournament #2",
            "director": {
                "id": 44739,
                "username": "nwurd",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/75880773c73609ccce6e25ae0fa36e6a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1599.8041595545776,
                        "deviation": 66.23941095926146,
                        "volatility": 0.059769185695965885
                    }
                },
                "ranking": 25.79461520660564,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 17,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-02-27T12:55:51Z",
            "ended": "2013-02-27T11:55:51Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}