List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-name&page=3428
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 61006,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=3429",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=3427",
    "results": [
        {
            "id": 66152,
            "name": "Grupo A — Ronda 1",
            "director": {
                "id": 58535,
                "username": "blaumag",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/b9111f93173ba3f8763596a345d7e40e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.4078798746825,
                        "deviation": 341.6984305472543,
                        "volatility": 0.05999984344025184
                    }
                },
                "ranking": 24.170395885469745,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Grupo A — Ronda 1",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6840,
                "name": "CURSO UNR JULIO 2022",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-02T18:33:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-10-02T18:33:39.327010Z",
            "ended": "2020-10-02T18:51:07.709985Z",
            "start_waiting": "2020-10-02T18:33:39.161946Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 65480,
            "name": "Grupo A Ronda 1",
            "director": {
                "id": 58535,
                "username": "blaumag",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/b9111f93173ba3f8763596a345d7e40e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.4078798746825,
                        "deviation": 341.6984305472543,
                        "volatility": 0.05999984344025184
                    }
                },
                "ranking": 24.170395885469745,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Grupo A Ronda 1",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6840,
                "name": "CURSO UNR JULIO 2022",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-15T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-09-15T08:00:34.630022Z",
            "ended": "2020-09-15T08:14:06.834140Z",
            "start_waiting": "2020-09-15T08:00:34.432011Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 69756,
            "name": "Group LOL New Year Tournament 2",
            "director": {
                "id": 811533,
                "username": "CookiesAndGo",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c558c9ad91a9bfc86c40dd7285133a17-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1044.2620853899564,
                        "deviation": 111.84505863404993,
                        "volatility": 0.05998548276399042
                    }
                },
                "ranking": 15.919502948899362,
                "professional": false,
                "ui_class": ""
            },
            "description": "Happy new year! Join this tournament!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 7276,
                "name": "-GroupLOL-",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-05T02:21:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2021-01-05T02:21:17.195501Z",
            "ended": "2021-01-08T02:21:17.797266Z",
            "start_waiting": "2021-01-05T02:21:16.991679Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 82519,
            "name": "Group A Preliminary Round",
            "director": {
                "id": 1051055,
                "username": "Gamemaster Omar",
                "country": "my",
                "icon": "https://secure.gravatar.com/avatar/6d0d3825b329b214c542039ecf465d7b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1319.0583279381294,
                        "deviation": 167.0686942338122,
                        "volatility": 0.06000164251231347
                    }
                },
                "ranking": 21.32751880763243,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Prelims for Group A",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 3,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "blitz",
                "pause_on_weekends": false,
                "total_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10515,
                "name": "JCCU Go Tournament Group A",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/01739d4525787e1eb43dbce942547ce3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-19T13:10:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-11-19T13:10:10.038652Z",
            "ended": "2021-11-24T13:53:19.174951Z",
            "start_waiting": "2021-11-19T13:10:09.572160Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/01739d4525787e1eb43dbce942547ce3-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 107245,
            "name": "Group 1",
            "director": {
                "id": 1359419,
                "username": "Sunflower_",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/b1b4806e0a5ab7ce1299b4f9c27cbccf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1556.8682897485817,
                        "deviation": 63.117875203621715,
                        "volatility": 0.060097742053571185
                    }
                },
                "ranking": 25.164821203782736,
                "professional": false,
                "ui_class": ""
            },
            "description": "Round 1",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13499,
                "name": "Group 1",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-07T13:15:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-07T13:15:54.901340Z",
            "ended": "2023-09-07T13:49:52.758448Z",
            "start_waiting": "2023-09-07T13:15:54.776025Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 14362,
            "name": "Groundhog Day DDK Tournament",
            "director": {
                "id": 58836,
                "username": "DrQuantum",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 999.1783656058474,
                        "deviation": 61.82048686126659,
                        "volatility": 0.05898743891729457
                    }
                },
                "ranking": 14.89783627484627,
                "professional": false,
                "ui_class": ""
            },
            "description": "Here's a relatively fast paced tournament for DDK's to celebrate Groundhog day, Feb 2 (though it will start once we have 16 participants!)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 43200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3696,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-02-03T20:02:00Z",
            "players_start": 16,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-02-11T11:43:08.826893Z",
            "ended": "2017-02-08T02:17:40.487775Z",
            "start_waiting": "2016-02-11T11:43:08.511590Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 73854,
            "name": "Grosuplje",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 773.2217959726903,
                        "deviation": 65.21065764034428,
                        "volatility": 0.0599362841376826
                    }
                },
                "ranking": 8.962931645064884,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 37920,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 36000,
                "initial_time": 172800,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-04-17T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-17T16:00:42.484320Z",
            "ended": "2021-06-29T12:19:20.189153Z",
            "start_waiting": "2021-04-17T16:00:41.415543Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 891,
            "name": "Grizzfang's mini-tournament",
            "director": {
                "id": 25940,
                "username": "Grizzfang",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fbeddd1c97b6a58e3501ee3cde76efa8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1141.5345709421924,
                        "deviation": 78.7758986525938,
                        "volatility": 0.060005492015879104
                    }
                },
                "ranking": 17.98131080780557,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 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": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-09-03T17:03:45Z",
            "ended": "2009-09-03T15:03:45Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1881,
            "name": "Grimlock's Dino Tourney",
            "director": {
                "id": 32185,
                "username": "antinoun",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5a55fc1eb56c418d7ea0d2d33ea5336a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1738.574242995871,
                        "deviation": 66.20295526077192,
                        "volatility": 0.05995034719237882
                    }
                },
                "ranking": 27.720328401369557,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "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": 18,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-11-28T05:03:16Z",
            "ended": "2012-11-28T04:03:16Z",
            "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": 1684,
            "name": "Gridwave's mini-tournament",
            "director": {
                "id": 36647,
                "username": "Gridwave",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/612848ffe968ddbf0a27a43c73a834b2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1371.200093681942,
                        "deviation": 62.44532474735045,
                        "volatility": 0.05984732645002806
                    }
                },
                "ranking": 22.22500363521554,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "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": 1,
            "max_ranking": 17,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-02-16T21:55:05Z",
            "ended": "2012-02-16T20:55:05Z",
            "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
        }
    ]
}