List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5527
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59381,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5528",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5526",
    "results": [
        {
            "id": 1007,
            "name": "LordShaper's mini-tournament",
            "director": {
                "id": 24203,
                "username": "LordShaper",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/76d5ba9c3a6e204298a5dd19c744c1aa?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1677.7778418166656,
                        "deviation": 65.0641072603433,
                        "volatility": 0.05999617658988031
                    }
                },
                "ranking": 26.89630016716965,
                "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": 19,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-02-16T20:38:25Z",
            "ended": "2010-02-16T19:38:25Z",
            "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": 16298,
            "name": "Tournament of Ideas",
            "director": {
                "id": 232219,
                "username": "Chandler",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/457faf68b5a0afa24a6a17e98f90d86e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1364.1577031562863,
                        "deviation": 62.32120859250644,
                        "volatility": 0.059999048804427975
                    }
                },
                "ranking": 22.105800435492426,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament for this group's members to play and get to know each other",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": false,
            "group": {
                "id": 564,
                "name": "The Philosophy Corners",
                "summary": "A place to have serious, yet civil, discussions and debates. Leave your hard feelings at the door =)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 98,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-04-05T02:11:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-05-11T17:09:37.604987Z",
            "ended": "2017-07-21T22:55:23.385206Z",
            "start_waiting": "2017-05-11T17:09:36.316179Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 11323,
            "name": "long fair with handicap",
            "director": {
                "id": 114073,
                "username": "elma.218",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/c451275c8b10a1d6c4052257d70c3cd1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1787.7450440536031,
                        "deviation": 64.86830524553237,
                        "volatility": 0.05997042542835535
                    }
                },
                "ranking": 28.365974887281094,
                "professional": false,
                "ui_class": ""
            },
            "description": "long-its fair",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 265920,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 447,
                "name": "turkey go players team",
                "summary": "Kader Oyunu (the game of destiny)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 165,
                "icon": "https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-10-08T20:08:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-10-11T10:55:41.754125Z",
            "ended": "2016-07-01T14:28:49.569086Z",
            "start_waiting": "2015-10-11T10:55:41.597915Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 1701,
            "name": "The fastest way to get more points",
            "director": {
                "id": 27056,
                "username": "Leira",
                "country": "cr",
                "icon": "https://user-uploads.online-go.com/edefc4995500223832e03c2af5a12200-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1723.8054017070444,
                        "deviation": 64.735602087367,
                        "volatility": 0.06012529715064123
                    }
                },
                "ranking": 27.522833739017017,
                "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": 20,
            "max_ranking": 30,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-03-03T08:33:55Z",
            "ended": "2012-03-03T07:33:55Z",
            "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": 107,
            "name": "holywarrior's tournament of the mighty",
            "director": {
                "id": 2888,
                "username": "holywarrior",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/281065e5a9c2a99ec2908564c4abcbf4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1562.5212201311695,
                        "deviation": 64.26190143848615,
                        "volatility": 0.06003171395128944
                    }
                },
                "ranking": 25.24872575061682,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 172800
            },
            "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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2006-06-26T17:36:00Z",
            "ended": "2006-10-30T23:08:00Z",
            "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": 138469,
            "name": "So fast, not so strong #2",
            "director": {
                "id": 1901664,
                "username": "deleted-0d14e7ba-294c-4f05-8a2d-598440adbd99",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/008409a8b0f615c9df2146442d116588-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1155.0950809191593,
                        "deviation": 69.95506381986796,
                        "volatility": 0.060030168361559944
                    }
                },
                "ranking": 18.25469354843633,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go, beginners!\nVery fast, not strong =)\n\n!!!Disqualification is awarded for a vacation or a game pause.!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4140,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 86400,
                "period_time": 86400,
                "stones_per_period": 25
            },
            "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": 17903,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-06T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-04-06T06:21:49.696202Z",
            "ended": null,
            "start_waiting": "2026-04-06T06:21:47.419075Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 15835,
            "name": "\"Blitz-blitz-blitz\" tournament.",
            "director": {
                "id": 202160,
                "username": "Lalaka",
                "country": "_Pirate",
                "icon": "https://secure.gravatar.com/avatar/b62e8ddace1aa52b91cbcf0a2ab02075?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.2682102203644,
                        "deviation": 61.1957145570833,
                        "volatility": 0.060019865998826256
                    }
                },
                "ranking": 24.93168435309793,
                "professional": false,
                "ui_class": ""
            },
            "description": "Blitz tournament for kyu-players.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8867,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-03-18T22:20:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-03-18T22:37:27.487243Z",
            "ended": "2016-03-18T22:45:56.103569Z",
            "start_waiting": "2016-03-18T22:37:27.427969Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 15445,
            "name": "3 турнир",
            "director": {
                "id": 170189,
                "username": "deleted-2d6dcf45-2382-4efa-a04c-acd1024c8b7e",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/06df12f6eb9803b65a800872b06b0b15?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1577.9993159973938,
                        "deviation": 61.84225560607734,
                        "volatility": 0.060144602120477814
                    }
                },
                "ranking": 25.476917743907464,
                "professional": false,
                "ui_class": ""
            },
            "description": "игрокам 10 - 25 кю",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 34,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 14,
                "main_time": 1800,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 825,
                "name": "И Го и жизнь похожи, хорошо играть нужно и там и там!",
                "summary": "Обучение игре Го - Russian",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 317,
                "icon": "https://user-uploads.online-go.com/1a6879af9ec778776e4aeec6ad2350c0-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-03-06T23:52:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-03-06T23:52:06.778411Z",
            "ended": "2016-03-10T13:29:09.975167Z",
            "start_waiting": "2016-03-06T23:52:06.510879Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1a6879af9ec778776e4aeec6ad2350c0-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 2622,
            "name": "Simultaneous McMahon Correspondence 3 => 7 days per move",
            "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": "Simultaneous McMahon Correspondence",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 43200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1779,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.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": "2013-11-06T06:38:47.845020Z",
            "ended": "2016-04-17T01:54:06.473740Z",
            "start_waiting": "2013-11-06T06:38:47.758542Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1008,
            "name": "Naizen's mini-tournament 13x13",
            "director": {
                "id": 29877,
                "username": "Naizen",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6b55dcc97e9926e504aa8bb1ca3ff5f3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1791.3893042792097,
                        "deviation": 64.9437694033227,
                        "volatility": 0.06014788469512258
                    }
                },
                "ranking": 28.413117377708346,
                "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": "2010-02-01T21:17:21Z",
            "ended": "2010-02-01T20:17:21Z",
            "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
        }
    ]
}