List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=5429
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59163,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=5430",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=5428",
    "results": [
        {
            "id": 1788,
            "name": "marco_g's mini-tournament",
            "director": {
                "id": 41624,
                "username": "marco_g",
                "country": "nl",
                "icon": "https://secure.gravatar.com/avatar/e4c1e9dd25f9f453b1c71a4343d6a316?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1450.5538713854294,
                        "deviation": 63.26208490074675,
                        "volatility": 0.05992473436270848
                    }
                },
                "ranking": 23.527402415540116,
                "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": 0,
            "max_ranking": 9,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-04-04T12:07:38Z",
            "ended": "2012-04-04T10:07:38Z",
            "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": 34,
            "name": "Welcome 9x9",
            "director": {
                "id": 654,
                "username": "jonw",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/891f85daa2744c83414396130b540ba0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1709.9941357009798,
                        "deviation": 107.66816532392959,
                        "volatility": 0.06001430176280394
                    }
                },
                "ranking": 27.336607065767783,
                "professional": false,
                "ui_class": ""
            },
            "description": "A friendly 9x9 tournament to get the ball rolling.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "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": 57,
                "name": "Instructure",
                "summary": "A group for Instructure-ites to play in. http://www.instructure.com",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/2476a22b658608ef0b41c619a6a3b6d8-64.png"
            },
            "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": true,
            "exclusivity": "open",
            "started": "2013-10-03T16:29:35.191452Z",
            "ended": "2013-10-16T16:16:08.431198Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2476a22b658608ef0b41c619a6a3b6d8-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 91748,
            "name": "4th of July:D",
            "director": {
                "id": 769861,
                "username": "rainncat",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.0308630931373,
                        "deviation": 65.62894696966373,
                        "volatility": 0.060026784983209604
                    }
                },
                "ranking": 14.331490463627786,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 18960,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 18000,
                "initial_time": 86400,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6843,
                "name": "bunny and squirrel",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/4fbbe44d15fe786fd4c4d0d540f0ee05-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-07-04T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-07-04T19:00:34.240857Z",
            "ended": "2022-09-25T05:53:31.637507Z",
            "start_waiting": "2022-07-04T19:00:33.898312Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4fbbe44d15fe786fd4c4d0d540f0ee05-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 1789,
            "name": "Amane's IGo Marathon 21",
            "director": {
                "id": 7425,
                "username": "masutami",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/966aad8981dcc75b5b8ab04427a833b2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1464.8658156740034,
                        "deviation": 64.25957956452444,
                        "volatility": 0.05979175956401998
                    }
                },
                "ranking": 23.75469330835485,
                "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": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-09-15T00:41:07Z",
            "ended": "2012-09-14T22:41:07Z",
            "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": 10350,
            "name": "Beginners Open #1 Correspondence 19x19 15k-25k",
            "director": {
                "id": 170321,
                "username": "muchgo",
                "country": "se",
                "icon": "https://secure.gravatar.com/avatar/ead1efb9910d3d579a7ebb5985878094?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1411.9328843760413,
                        "deviation": 67.19857798482741,
                        "volatility": 0.06004120595328262
                    }
                },
                "ranking": 22.902679799769526,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck and have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 743,
                "name": "Sweden",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2015-09-08T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-09-08T11:00:52.872345Z",
            "ended": "2017-01-06T11:23:49.386685Z",
            "start_waiting": "2015-09-08T11:00:52.723343Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 1065,
            "name": "2nd annual OGS open",
            "director": {
                "id": 29698,
                "username": "jobbob245",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/20912d55780c93bb66b8b9477b5c37d1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1338.05506261425,
                        "deviation": 72.43903673204956,
                        "volatility": 0.06000638321309588
                    }
                },
                "ranking": 21.658541113556804,
                "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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-03-02T17:32:51Z",
            "ended": "2010-03-02T16:32:51Z",
            "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": 1790,
            "name": "taikobara's mini-tournament",
            "director": {
                "id": 42644,
                "username": "taikobara",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/48d15cd20e428e2fb55ca18f425b4ebc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1177.580267556001,
                        "deviation": 66.55052203197117,
                        "volatility": 0.0597468885906336
                    }
                },
                "ranking": 18.701003570595574,
                "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": 0,
            "max_ranking": 11,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-13T21:28:50Z",
            "ended": "2012-12-13T20:28:50Z",
            "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": 74274,
            "name": "Swiss 5/1/2021 6:00 PM 19*19",
            "director": {
                "id": 658648,
                "username": "Alpha   Zero",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/f76ad31e6aaa65d8eeb3301f6a73e36c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1644.0357753686008,
                        "deviation": 67.15363457706835,
                        "volatility": 0.05999654042394354
                    }
                },
                "ranking": 26.425981362193568,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play the best you can.",
            "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": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 2419200
            },
            "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": 17870,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-01T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-01T22:00:21.405812Z",
            "ended": "2022-10-05T06:22:17.816278Z",
            "start_waiting": "2021-05-01T22:00:20.945362Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 1792,
            "name": "RaikB's mini-tournament",
            "director": {
                "id": 20675,
                "username": "RaikB",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1780.665751010124,
                        "deviation": 65.40966971956041,
                        "volatility": 0.0596596409427389
                    }
                },
                "ranking": 28.274121197571755,
                "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": 15,
            "max_ranking": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-10-13T22:25:42Z",
            "ended": "2012-10-13T20:25:42Z",
            "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": 12463,
            "name": ".Fight Club´s \"Bareknuckle Beatdown\" #18",
            "director": {
                "id": 91463,
                "username": "petit",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/fa3db5dae6a1029dc200cabda72dd8d3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1592.6954080290957,
                        "deviation": 65.36061228637242,
                        "volatility": 0.05968997028479681
                    }
                },
                "ranking": 25.691518641473003,
                "professional": false,
                "ui_class": ""
            },
            "description": "\"enjoy the procedure and the goal will unfold\"\n\nno gloves - no handicap",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 43200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 351,
                "name": "Fight Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 367,
                "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-11-19T19:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-11-19T19:00:31.710785Z",
            "ended": "2017-06-07T18:44:56.218216Z",
            "start_waiting": "2015-11-19T19:00:31.220172Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
            "player_count": 26,
            "ranked": true
        }
    ]
}