List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=1410
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59662,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=1411",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=1409",
    "results": [
        {
            "id": 139752,
            "name": "Torneo Ludico",
            "director": {
                "id": 2013051,
                "username": "josetiburcio93",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/69bb8aa39334801a019bec80bcd2e051?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 710.3615547953566,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 7.000000000000001,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Torneo ludico de go , Inteligencia Artificial 7000",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 6,
                "initial_time": 180,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16385,
                "name": "UNAM FC IA 7000",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-30T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-05-02T06:49:48.890374Z",
            "ended": "2026-05-02T07:00:13.269132Z",
            "start_waiting": "2026-05-02T06:49:48.849253Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 68729,
            "name": "TORNEO DE GO SERAPIO RENDÓN - INVIERNO 2020",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 733.7386350417765,
                        "deviation": 67.58441146641512,
                        "volatility": 0.06059085558486428
                    }
                },
                "ranking": 7.749569442835256,
                "professional": false,
                "ui_class": ""
            },
            "description": "VAMOS A JUGAR GO Y A DIVERTIRNOS CON NUESTROS COMPAÑEROS",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-08T15:35:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-12-08T15:35:45.903370Z",
            "ended": "2020-12-08T16:40:22.630429Z",
            "start_waiting": "2020-12-08T15:35:44.987403Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 139750,
            "name": "第7回ほたて会[第3回春風戦]上級リーグ",
            "director": {
                "id": 1921641,
                "username": "ほたて囲碁教室2",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/651c2aebc8ac9e8fef162798dd97d08a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1837.3839021893393,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 29.0,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "日時:令和8年4月29日(水)16:00~20:00\n\n※20:00には終了できますようご協力お願い致します\n\n対局開始方法:お時間になりますと、自動で対局が開始されます。OGSを開いてお待ち下さい。\n\n対局方法:総当たり戦(同時対局)\n\n※全ての対局をまんべんなく打ち進めて頂くようご協力をお願いいたします\n\n着手方法:盤面ワンクリックで着手(打ち間違いに気をつけて下さい)or 盤面に石を打って画面右上のユーザー名下にある「着手決定」をクリック ※皆様のOGSの【通信対局】設定により変わります\n\n※着手すると【自動で自分の手番の他の対局画面に切り替わります】。もし、切り替わらない場合は、【ホーム画面】に戻り、対局一覧から自分の手番の対局を選択するか、画面右上のベルマーク(青色か緑色になっており、右に数字の吹き出しがある)をクリックすると、自分の手番の対局画面に移動します。こちらもOGSの設定で変更可能です。\n\nzoom:使用しません\n\n飲食:自由\n\n対局中に席を離れても大丈夫です\n\n解散方法:全ての対局が終わり次第、各自終了です\n\n結果:この画面に表示されます and ほたて先生から報告します。\n\n↓↓このリーグの参加者は↓↓\n\nisoisop 2級 高知県\n\nottyo2tsumen 2級 高知県\n\nYoshida Y 3級 高知県\n\ntt44hh1212 4級 高知県\n\nhotate01 7級 香川県\n\nm_tzr 8級 香川県",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15290,
                "name": "ほたてオンライン",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-29T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2026-04-29T07:00:48.786007Z",
            "ended": "2026-04-29T10:32:13.773144Z",
            "start_waiting": "2026-04-29T07:00:48.637657Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-15.png",
            "player_count": 6,
            "ranked": false
        },
        {
            "id": 139679,
            "name": "第7回ほたて会[第3回春風戦]高段リーグ",
            "director": {
                "id": 1921641,
                "username": "ほたて囲碁教室2",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/651c2aebc8ac9e8fef162798dd97d08a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1837.3839021893393,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 29.0,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "日時:令和8年4月29日(水)16:00~20:00\n\n※20:00には終了できますようご協力お願い致します\n\n対局開始方法:お時間になりますと、自動で対局が開始されます。OGSを開いてお待ち下さい。\n\n対局方法:総当たり戦(同時対局)\n\n※全ての対局をまんべんなく打ち進めて頂くようご協力をお願いいたします\n\n着手方法:盤面ワンクリックで着手(打ち間違いに気をつけて下さい)or 盤面に石を打って画面右上のユーザー名下にある「着手決定」をクリック ※皆様のOGSの【通信対局】設定により変わります\n\n※着手すると【自動で自分の手番の他の対局画面に切り替わります】。もし、切り替わらない場合は、【ホーム画面】に戻り、対局一覧から自分の手番の対局を選択するか、画面右上のベルマーク(青色か緑色になっており、右に数字の吹き出しがある)をクリックすると、自分の手番の対局画面に移動します。こちらもOGSの設定で変更可能です。\n\nzoom:使用しません\n\n飲食:自由\n\n対局中に席を離れても大丈夫です\n\n解散方法:全ての対局が終わり次第、各自終了です\n\n結果:この画面に表示されます and ほたて先生から報告します。\n\n↓↓このリーグの参加者は↓↓",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15290,
                "name": "ほたてオンライン",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-29T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2026-04-29T07:00:48.866216Z",
            "ended": "2026-04-29T10:15:47.745925Z",
            "start_waiting": "2026-04-29T07:00:48.796599Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ec922b6e3630bb40f525c38b768bb37c-15.png",
            "player_count": 4,
            "ranked": false
        },
        {
            "id": 136610,
            "name": "Not so strong Tounrament_2",
            "director": {
                "id": 1827323,
                "username": "deleted-c6a09559-3471-4d3e-b851-4e9de29f76d4",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/6e64e4aa4a8c7b7fbdb261608b6ec37f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1034.020494894613,
                        "deviation": 69.97968694330321,
                        "volatility": 0.06000933175355701
                    }
                },
                "ranking": 15.691338847005301,
                "professional": false,
                "ui_class": ""
            },
            "description": "Not so strong tournament\nNot so strong players",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87084,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "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": 17963,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-26T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-26T06:00:26.615096Z",
            "ended": null,
            "start_waiting": "2026-01-26T06:00:25.611815Z",
            "board_size": 19,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 86885,
            "name": "5MAR 3 -> 何家朗\t\t4 -> 王善緯",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "5MAR 3 -> 何家朗\t\t4 -> 王善緯",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-05T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-03-05T08:40:52.657438Z",
            "ended": "2022-03-05T09:21:45.583078Z",
            "start_waiting": "2022-03-05T08:40:52.599757Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 138405,
            "name": "13x13 Mini League 10k-25k #55",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1073.2840100977699,
                        "deviation": 66.95187850935433,
                        "volatility": 0.06002501957710229
                    }
                },
                "ranking": 16.55410507658349,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 59,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2026-03-27T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-03-22T17:39:46.667122Z",
            "ended": "2026-04-30T00:25:19.569540Z",
            "start_waiting": "2026-03-22T17:39:46.341809Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 135101,
            "name": "Christmas Championship",
            "director": {
                "id": 1818077,
                "username": "时光和褚嬴呀",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/65467471f69c780786a014ecc51b00f8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1281.5029489749418,
                        "deviation": 69.37727901897037,
                        "volatility": 0.06014234606192959
                    }
                },
                "ranking": 20.658842028855847,
                "professional": false,
                "ui_class": ""
            },
            "description": "World Cup Let's Go",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 345600
            },
            "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": 8891,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-23T09:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-23T09:00:10.620037Z",
            "ended": null,
            "start_waiting": "2025-12-23T09:00:10.352133Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 29,
            "ranked": true
        },
        {
            "id": 124608,
            "name": "Турнир \"КВК\" 2025",
            "director": {
                "id": 119281,
                "username": "vladislaw.ageew",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/70ba9bfdbba9168b7edda759da50bb97-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1215.4878925964497,
                        "deviation": 64.70378322735758,
                        "volatility": 0.059832130606222604
                    }
                },
                "ranking": 19.43448450181678,
                "professional": false,
                "ui_class": ""
            },
            "description": "III Ежегодный Турнир \"КВК\".",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89819,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11721,
                "name": "Го клуб \"Школа Героев\"",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-24T21:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2025-01-24T21:00:22.296801Z",
            "ended": "2026-04-30T12:00:07.190378Z",
            "start_waiting": "2025-01-24T21:00:22.058415Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 124573,
            "name": "Live 19x19 Double Elimination Tournament 2025",
            "director": {
                "id": 1592033,
                "username": "AlBrickHead",
                "country": "pt",
                "icon": "https://user-uploads.online-go.com/9a0df216d2bfe55ea10e6651e9028255-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1376.2813265173027,
                        "deviation": 71.69861389848171,
                        "volatility": 0.06004473833129476
                    }
                },
                "ranking": 22.310631638656087,
                "professional": false,
                "ui_class": ""
            },
            "description": "Live 19x19 Double Elimination Tournament 2025",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14897,
                "name": "Instrumentalka TLT GO",
                "summary": "Школа Го Тольятти",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://user-uploads.online-go.com/b20509fb8391207640e76bc21aa8ab74-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-02T15:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-02T15:00:23.564158Z",
            "ended": null,
            "start_waiting": "2025-02-02T15:00:23.406210Z",
            "board_size": 19,
            "active_round": 7,
            "icon": "https://user-uploads.online-go.com/b20509fb8391207640e76bc21aa8ab74-15.png",
            "player_count": 17,
            "ranked": true
        }
    ]
}