List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=4676
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59363,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=4677",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=4675",
    "results": [
        {
            "id": 101961,
            "name": "9x9 Open D.E. Cup #77",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1378.8621286869252,
                        "deviation": 66.61260604697289,
                        "volatility": 0.060203637791238884
                    }
                },
                "ranking": 22.354001857791825,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-16T19:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-14T13:00:52.697446Z",
            "ended": "2023-07-30T07:00:05.367524Z",
            "start_waiting": "2023-04-14T13:00:52.528210Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 824,
            "name": "unrated shortest time 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": "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-06-25T19:37:38Z",
            "ended": "2009-06-25T17:37:38Z",
            "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": 843,
            "name": "Lazygirl's \"It's Not Checkers Daddy, It's GO\" Mini-Tournament",
            "director": {
                "id": 13272,
                "username": "LazyGirl",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/bc01e7f3d61a30b5095e89f668f09fe4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1265.1925182295072,
                        "deviation": 63.657352301451475,
                        "volatility": 0.06010630630914548
                    }
                },
                "ranking": 20.362307449524884,
                "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": 0,
            "max_ranking": 9,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-07-30T13:48:22Z",
            "ended": "2009-07-30T11:48:22Z",
            "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": 842,
            "name": "crizzly's 2nd mini-tournament",
            "director": {
                "id": 3491,
                "username": "crizzly",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/667431622ed6e002950c307ce108c3e8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1468.7584835301914,
                        "deviation": 65.6427261486988,
                        "volatility": 0.0599791843917617
                    }
                },
                "ranking": 23.816129473704265,
                "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": 345600,
                "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": 0,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-07-22T15:30:43Z",
            "ended": "2009-07-22T13:30:43Z",
            "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": 841,
            "name": "matsuda's mini-tournament",
            "director": {
                "id": 20178,
                "username": "matsuda",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/013de5c705ec420a929022ee007983af?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1135.5149925846133,
                        "deviation": 81.78437888103069,
                        "volatility": 0.060022106320304004
                    }
                },
                "ranking": 17.858912450003256,
                "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-07-25T14:43:34Z",
            "ended": "2009-07-25T12:43:34Z",
            "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": 129863,
            "name": "Olival 2",
            "director": {
                "id": 681764,
                "username": "LeandroMoi",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/213156d9bbd3cd2c352d1d8067118643?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 917.9328528339249,
                        "deviation": 64.32197717463806,
                        "volatility": 0.06005923638427612
                    }
                },
                "ranking": 12.934506443772584,
                "professional": false,
                "ui_class": ""
            },
            "description": "Olival costa",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 300,
                "max_time": 1200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15461,
                "name": "Olival Costa",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-06-26T15:45:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-06-26T15:45:29.224029Z",
            "ended": "2025-06-26T16:05:07.845734Z",
            "start_waiting": "2025-06-26T15:45:29.116878Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 839,
            "name": "littleman's mini-tournament",
            "director": {
                "id": 17827,
                "username": "littleman",
                "country": "nl",
                "icon": "https://secure.gravatar.com/avatar/746e5eebf69379b2924fcbd2c981f3b0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2100.9280183570545,
                        "deviation": 67.28376883688223,
                        "volatility": 0.05999704049713282
                    }
                },
                "ranking": 32.102942497740635,
                "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-09-26T08:30:32Z",
            "ended": "2009-09-26T06:30:32Z",
            "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": 838,
            "name": "The Fourth Dimension (of Infinity's original series)",
            "director": {
                "id": 20606,
                "username": "Infinity",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b0b3c0b98c88f5056f73a31e9a78419f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1862.987308823708,
                        "deviation": 69.46877791327594,
                        "volatility": 0.060188015447715834
                    }
                },
                "ranking": 29.320361546870892,
                "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": 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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-05-28T23:11:50Z",
            "ended": "2009-05-28T21:11:50Z",
            "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": 837,
            "name": "Happy Valley Go Open 8",
            "director": {
                "id": 13725,
                "username": "Aznviolin",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/40b562d6fabfb44fb3e28022dd650f9e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.5817230678103,
                        "deviation": 65.38647225905848,
                        "volatility": 0.059752988395153216
                    }
                },
                "ranking": 21.266422454503005,
                "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": 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": 0,
            "max_ranking": 12,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-10-21T18:07:50Z",
            "ended": "2009-10-21T16:07:50Z",
            "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": 836,
            "name": "cook777's Teaching mini-tournament",
            "director": {
                "id": 21970,
                "username": "cook777",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0f098ad54cec84475b7a3faa0a0fc9fc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1887.652406918629,
                        "deviation": 68.3275060222648,
                        "volatility": 0.06044844218564597
                    }
                },
                "ranking": 29.624845739259918,
                "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": 432000,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": false,
            "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-05-24T02:46:05Z",
            "ended": "2009-05-24T00:46:05Z",
            "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
        }
    ]
}