List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5579
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60025,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5580",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5578",
    "results": [
        {
            "id": 1756,
            "name": "carokarm's 13x13 mini-tournament",
            "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": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-03-10T00:10:05Z",
            "ended": "2012-03-09T23:10:05Z",
            "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": 1757,
            "name": "lasid11's mini-tournament",
            "director": {
                "id": 42297,
                "username": "lasid11",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/94272c32a45e0be610be58d8d9e4f5fb?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1323.3019303031792,
                        "deviation": 253.45580273769437,
                        "volatility": 0.060006960624486586
                    }
                },
                "ranking": 21.401876177263897,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "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": "2012-06-04T15:11:29Z",
            "ended": "2012-06-04T13:11:29Z",
            "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": 1758,
            "name": "Very Mini Tournament",
            "director": {
                "id": 42360,
                "username": "Henrib736",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/cfd31e74c2d9b1ad2b6d571ecc820cf6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.0585409259156,
                        "deviation": 64.53637528197693,
                        "volatility": 0.06005390268858446
                    }
                },
                "ranking": 21.7793939100321,
                "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": 385,
                "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": "2012-02-22T12:15:44Z",
            "ended": "2012-02-22T11:15:44Z",
            "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": 1036,
            "name": "Kaito234's Christmas Invitational",
            "director": {
                "id": 22631,
                "username": "Kaito234",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/4fa33b4fa301e444fb834c4345d6d836?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 911.7375469726643,
                        "deviation": 79.95743598144517,
                        "volatility": 0.05998804938084198
                    }
                },
                "ranking": 12.777732984659018,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "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": 385,
                "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": "2010-05-07T09:58:04Z",
            "ended": "2010-05-07T07:58:04Z",
            "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": 1759,
            "name": "2012 (2) 9x9",
            "director": {
                "id": 34734,
                "username": "varcos",
                "country": "ro",
                "icon": "https://user-uploads.online-go.com/9521e434b5969d7c96058055f4baca35-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1260.0400451524174,
                        "deviation": 62.594850131405416,
                        "volatility": 0.0600299724504993
                    }
                },
                "ranking": 20.267837008272274,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 172800
            },
            "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": 385,
                "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": "2012-03-13T21:06:55Z",
            "ended": "2012-03-13T20:06:55Z",
            "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": 11453,
            "name": "FSTS Nines December 2015 Regular",
            "director": {
                "id": 135535,
                "username": "DarkSpirit",
                "country": "_CIS",
                "icon": "https://user-uploads.online-go.com/3ff0cbeb74378914ca08a8ab7741274f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1368.452026020624,
                        "deviation": 62.29275318546769,
                        "volatility": 0.05999468544710196
                    }
                },
                "ranking": 22.178561397357377,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just normal 9x9 tournament.",
            "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": {
                "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": "2015-12-09T11:30:00Z",
            "players_start": 5,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2015-12-09T11:30:11.784904Z",
            "ended": "2016-04-22T08:37:54.457723Z",
            "start_waiting": "2015-12-09T11:30:11.530087Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 3062,
            "name": "Go Fight Club: DDK Live 9x9 - 7/28/14",
            "director": {
                "id": 67689,
                "username": "deleted-917cec75-b08a-4a68-ab58-74a73a3a29f1",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/476d9cf7ad2c21c097c7272e0acfc962?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1204.825567179209,
                        "deviation": 62.50245677818495,
                        "volatility": 0.059948158596285835
                    }
                },
                "ranking": 19.230515524822877,
                "professional": false,
                "ui_class": ""
            },
            "description": "Start time: As soon as we feel like it.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 308,
                "name": "Go Fight Club",
                "summary": "Focused giving DDKs a place for live tournaments and sparring matches for improvement.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/838e9779347fbfd5b8760444427a6b9f-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": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-07-28T21:29:26.119828Z",
            "ended": "2014-07-28T21:57:09.885354Z",
            "start_waiting": "2014-07-28T21:29:25.774320Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/838e9779347fbfd5b8760444427a6b9f-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1037,
            "name": "le144's mini-tournament",
            "director": {
                "id": 22853,
                "username": "le144",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/0182b594c16fab533d42eb9607db9275?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1105.1256247924741,
                        "deviation": 63.24825507317348,
                        "volatility": 0.05984154344041419
                    }
                },
                "ranking": 17.23091615221952,
                "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": 385,
                "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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-05-07T08:08:49Z",
            "ended": "2010-05-07T06:08:49Z",
            "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": 81097,
            "name": "chicas de 3RO + Osvald +P",
            "director": {
                "id": 88120,
                "username": "satoshi84",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.7959829193692,
                        "deviation": 78.40429708623937,
                        "volatility": 0.06016044531576248
                    }
                },
                "ranking": 17.885013568829635,
                "professional": false,
                "ui_class": ""
            },
            "description": "partida s de go",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4841,
                "name": "PIPIOLO GO 2022🏆",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 214,
                "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-08T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-10-08T18:13:03.548500Z",
            "ended": "2021-10-08T18:50:03.966898Z",
            "start_waiting": "2021-10-08T18:13:03.370964Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 122140,
            "name": "Blue Christmas Go battle",
            "director": {
                "id": 1436588,
                "username": "Arrow A6 anti-",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 588.6751839572613,
                        "deviation": 80.73457404236709,
                        "volatility": 0.0636275307525229
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<!--  <title>左对齐文本</title> -->\n\n  <style>\n    .left-align {\n    \n    \n      text-align: left;\n    }\n  </style>\n</head>\n<body>\n  <div class=\"left-align\">\n    <p><H2><I><a Href=\"https://online-go.com/group/13797\"><big><span  style=\"color:pink;\">W</big><span  style=\"color:yellow;\">e</span><big><big><span  style=\"color: skyblue;\">l</span></big></big><span style=\"color: springgreen;\">c</span><span style=\"color:red;\">o</span><span  style=\"color:orange;\">m</span><span style=\"color:yellow;\">e</span> <big><big>j</big></big>o<big>i</big>n Us</I><br>\n     <a Href=\"https://online-go.com/group/13797\">\n     <span style=\"color:gold;\">无间勤碁术化<br><span style=\"color:purple;\">Go Advance forward forever</p>\n      \n  </div>\n</body>\n</html>\n\n<hr />\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<!--  <title>center对齐文本</title> -->\n\n  <style>\n    . center-align {\n    \n    \n      text-align: center;\n    }\n  </style>\n</head>\n<body>\n  <div class=\"center-align\">\n\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https://media0.giphy.com/media/aCFFoeahQVAeQ/giphy.gif?cid=6c09b952kelgk7nice0k3oxrafspn2w42rm4ezadqynivhoq&ep=v1_internal_gif_by_id&rid=giphy.gif&ct>\" width=\"640\" height=\"380\" /></p>\n\n\n\n\n\n\n<!-- https://media.tenor.com/O1-G64Dda9YAAAAd/hikaru-shindo-hikaru-no-go.gif -->\n\n<p>\n<embed src=\"https://www.youtube.com/embed/wO6Kubm5tyE\"width=\"640\" height=\"380\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/srbjHH5J7Ww\"width=\"640\" height=\"380\">\n</p>\n\n<a href=\"https://info.flagcounter.com/Gvy2\"><img src=\"https://s11.flagcounter.com/map/Gvy2/size_l/txt_000000/border_CCCCCC/pageviews_1/viewers_0/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n<hr />\n\n<H2><span  style=\"color:blue;\">Blue Christmas Go battle</H2>\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<!--  <title>center对齐文本</title> -->\n\n  <style>\n    . center-align {\n    \n    \n      text-align: center;\n    }\n  </style>\n</head>\n<body>\n  <div class=\"center-align\">\n\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https://media.tenor.com/O1-G64Dda9YAAAAd/hikaru-shindo-hikaru-no-go.gif\" width=\"640\" height=\"380\" /></p>\n         \n  </div>\n</body>\n</html>\n\n<p><a Href=\"https://online-go.com/group/13797\">\n      <IMG src=\"https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9682e94fbb47d2ccab4998f738b6b042-128.png\"></h2></p>",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 495,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-11-16T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-16T13:00:32.645495Z",
            "ended": "2025-07-20T07:34:53.260541Z",
            "start_waiting": "2024-11-16T13:00:31.840039Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 36,
            "ranked": true
        }
    ]
}