List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-player_count&page=5672
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59541,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=5673",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=5671",
    "results": [
        {
            "id": 2763,
            "name": "19x19",
            "director": {
                "id": 55394,
                "username": "san",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/a65ba7e3ee2ae75ba8ae263e5a73537c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1121.1517979685377,
                        "deviation": 73.12695470651377,
                        "volatility": 0.06002430222803883
                    }
                },
                "ranking": 17.564219013754354,
                "professional": false,
                "ui_class": ""
            },
            "description": "do your best\n",
            "schedule": null,
            "title": null,
            "tournament_type": "s_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 92160,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 518400,
                "max_time": 518400,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 108,
                "name": "###Test",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "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": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-02-05T07:19:50.934737Z",
            "ended": "2015-08-12T13:19:02.244334Z",
            "start_waiting": "2014-02-05T07:19:46.311985Z",
            "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": 3195,
            "name": "Title match for: Mingren Main Title Tournament 2012",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Title match for: Mingren Main Title Tournament 2012 (Sadaharu vs vitality)",
            "schedule": null,
            "title": {
                "id": 10,
                "name": "Mingren Main Title Tournament",
                "holder": {
                    "id": 48681,
                    "username": "gogop2016",
                    "country": "un",
                    "icon": "https://secure.gravatar.com/avatar/35495de00a8e17adf5d8a9a9d241565d?s=64&d=retro",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 2035.1561101134394,
                            "deviation": 64.11226294350045,
                            "volatility": 0.05987887663756385
                        }
                    },
                    "ranking": 31.366618965112558,
                    "professional": false,
                    "ui_class": ""
                },
                "rules": "chinese",
                "tournament_type": "s_elimination"
            },
            "tournament_type": "s_title",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "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": "2014-10-02T03:00:58.378559Z",
            "ended": "2015-08-05T02:42:44.882081Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/mingren_19.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2860,
            "name": "OGS SWT 19x19 30-20kyu",
            "director": {
                "id": 52052,
                "username": "ST000MA",
                "country": "rs",
                "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1773.7204734712398,
                        "deviation": 64.7543915421217,
                        "volatility": 0.06233350490466346
                    }
                },
                "ranking": 28.18365079311867,
                "professional": false,
                "ui_class": ""
            },
            "description": "Starts on 01.05.2014. (May 1st). For more information, see http://online-go.com/forum/thread/3493/ .",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "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": 0,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-05-01T08:24:41.661388Z",
            "ended": "2016-02-18T00:01:54.155485Z",
            "start_waiting": "2014-05-01T08:24:37.654110Z",
            "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": 3228,
            "name": "FSTS Bronze Meijin of 2014 Title",
            "director": {
                "id": 92537,
                "username": "YoDeath",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/70ee7fe26d2aaedd93c70ad26f3df95f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1295.7178862598735,
                        "deviation": 64.72292315987252,
                        "volatility": 0.06001419026516723
                    }
                },
                "ranking": 20.914217222744785,
                "professional": false,
                "ui_class": ""
            },
            "description": "Competition for the title of FSTS Bronze Meijin of 2014. Will start after 10th player join.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 864000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 353,
                "name": "Four Seasons Tournament Series",
                "summary": "Серия турниров \"Четыре Сезона\"",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 623,
                "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 14,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2014-10-08T07:28:57.818175Z",
            "ended": "2015-08-16T15:21:30.173004Z",
            "start_waiting": "2014-10-08T07:28:55.083159Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 9905,
            "name": "Title match for: Tianyuan Nines Title Tournament 2014",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Title match for: Tianyuan Nines Title Tournament 2014 (mark5000 vs pollemand)",
            "schedule": null,
            "title": {
                "id": 14,
                "name": "Tianyuan Nines Title Tournament",
                "holder": {
                    "id": 64817,
                    "username": "mark5000",
                    "country": "us",
                    "icon": "https://user-uploads.online-go.com/9b5320a244a5d988372d7e6e830a8fbe-64.png",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 2344.234225031492,
                            "deviation": 77.88182347311346,
                            "volatility": 0.060461501778830445
                        }
                    },
                    "ranking": 34.6397109660297,
                    "professional": false,
                    "ui_class": "supporter moderator"
                },
                "rules": "chinese",
                "tournament_type": "s_mcmahon"
            },
            "tournament_type": "s_title",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "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": "2015-08-13T13:41:33.306279Z",
            "ended": "2015-08-26T00:00:25.018712Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_9.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2842,
            "name": "Sitewide April 2014 McMahon No Handicap and No Provisional Players",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "3 Rounds No Handicap and No Provisional players.  Bars are set at 5k and 10k.  Analysis is enabled",
            "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": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "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": "2014-04-04T00:45:53.246086Z",
            "ended": "2016-03-11T14:49:30.458584Z",
            "start_waiting": "2014-04-04T00:45:50.183967Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2197,
            "name": "mkjackson83's mini-tournament",
            "director": {
                "id": 649,
                "username": "mkjackson83",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/3ceecbecf2798842082d0519dc4fa331-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1835.2192863279033,
                        "deviation": 64.99966503779345,
                        "volatility": 0.0600532339848412
                    }
                },
                "ranking": 28.972710984322212,
                "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": 14,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-07T20:32:11Z",
            "ended": "2013-08-07T18:32:11Z",
            "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": 2196,
            "name": "FAST, PLEASE. AT LEAST 1 MOVE 1 DAY",
            "director": {
                "id": 37953,
                "username": "carokarm",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/a0691435eb8d73bedb868dfc58a43deb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1070.280775706649,
                        "deviation": 63.91998008727588,
                        "volatility": 0.059720797677923085
                    }
                },
                "ranking": 16.489236571459887,
                "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": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-05-09T20:28:48Z",
            "ended": "2013-05-09T18:28:48Z",
            "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": 2194,
            "name": "The most stunning mini-tournament",
            "director": {
                "id": 48360,
                "username": "wurfmaul",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/dbb817f1faf2a5dbae84d1c850966229?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2399.370908001257,
                        "deviation": 72.20714715817591,
                        "volatility": 0.060078170857038427
                    }
                },
                "ranking": 35.177897287180535,
                "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": 864000,
                "max_time": 864000,
                "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": "2013-07-10T20:49:03Z",
            "ended": "2013-07-10T18:49:03Z",
            "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": 2193,
            "name": "Ronnie_007's mini-tournament",
            "director": {
                "id": 26869,
                "username": "Ronnie_007",
                "country": "aq",
                "icon": "https://secure.gravatar.com/avatar/4f548b8c3dc6b363c01187faec13c5a2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1379.3411322115244,
                        "deviation": 67.29094359021151,
                        "volatility": 0.05999829532402111
                    }
                },
                "ranking": 22.36204254997949,
                "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": 604800,
                "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": "2013-06-17T02:48:16Z",
            "ended": "2013-06-17T00:48:16Z",
            "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
        }
    ]
}