List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5721
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58823,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5722",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5720",
    "results": [
        {
            "id": 59319,
            "name": "13x13=169",
            "director": {
                "id": 93396,
                "username": "aguasnegras",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/62fe13b35920f3da1a5578fb2965f8e6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1399.3218114615543,
                        "deviation": 66.32619227944001,
                        "volatility": 0.06014640423818642
                    }
                },
                "ranking": 22.694980158214875,
                "professional": false,
                "ui_class": ""
            },
            "description": "torneo por correspondencia",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5077,
                "name": "Go-Chu",
                "summary": "Un lugar para recrearse",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-20T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-20T19:25:19.771425Z",
            "ended": "2020-05-30T10:51:48.888141Z",
            "start_waiting": "2020-04-20T19:25:19.121914Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 116837,
            "name": "freindly tournament",
            "director": {
                "id": 1571185,
                "username": "deleted-a5e028fc-a2ec-42fa-b294-d1ff2839be49",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/7bfbfd68f0578054aed47feb2812cb91?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1036.2554267236794,
                        "deviation": 79.78529842456763,
                        "volatility": 0.059995384298014244
                    }
                },
                "ranking": 15.741321258915953,
                "professional": false,
                "ui_class": ""
            },
            "description": "Group\tGo Basics\nTournament Director\t\nFuckedUrMom\n[15k]\nExclusivity\t\nOpen\nTournament Type\t\nDouble Elimination\nPlayers\t\n4\n-\n100\nStart when full\t\nInitial Pairing Method\t\nSlide\nSubsequent Pairing Method\t\nSlaughter\nRules\t\nJapanese\nBoard Size\t\n19x19\nHandicap\t\nNone\nConditional Moves & Analysis\t\nRank Restriction\t\n25 Kyu\n-\n15 Kyu",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "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": 17826,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-06-07T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 17,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-06-07T07:00:50.150647Z",
            "ended": "2024-06-07T07:50:03.120840Z",
            "start_waiting": "2024-06-07T07:00:50.003259Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 131724,
            "name": "JORNADA 5 DE ENTRENAMIENTO AVANZADO A DE GO OTOÑO 2025",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1122.8246878101952,
                        "deviation": 60.371331762484964,
                        "volatility": 0.05972935206691125
                    }
                },
                "ranking": 17.59873578097929,
                "professional": false,
                "ui_class": ""
            },
            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 39,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14953,
                "name": "Kanik",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-08-24T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2025-08-24T00:35:29.098163Z",
            "ended": "2025-08-24T01:12:41.449154Z",
            "start_waiting": "2025-08-24T00:35:29.015107Z",
            "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": 58602,
            "name": "paldkjdjdjdh",
            "director": {
                "id": 748237,
                "username": "PAPA LOUIE",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5ca63bebc1e9733a922cf80a18e54a3a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 547.3072455519224,
                        "deviation": 78.58011345147807,
                        "volatility": 0.059984484173782465
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "ftfrtfyyfttfy",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4456,
                "name": "Our Go House",
                "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 159,
                "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-14T23:21:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 5,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-14T23:21:40.738251Z",
            "ended": "2020-10-14T23:59:09.615196Z",
            "start_waiting": "2020-04-14T23:21:39.449588Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 129152,
            "name": "19x19 Open D.E. Cup #119",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1428.7607772259034,
                        "deviation": 69.43294160708245,
                        "volatility": 0.06017334395576651
                    }
                },
                "ranking": 23.17695807323701,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-06-15T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-06-12T15:35:08.912422Z",
            "ended": null,
            "start_waiting": "2025-06-12T15:35:08.803372Z",
            "board_size": 19,
            "active_round": 4,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 122614,
            "name": "black stone #06",
            "director": {
                "id": 635044,
                "username": "15.03",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/c95b24310a554e4ebac113077793f721-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1778.2373775269089,
                        "deviation": 73.97933459474831,
                        "volatility": 0.0601599324362456
                    }
                },
                "ranking": 28.242528960958047,
                "professional": false,
                "ui_class": ""
            },
            "description": "มาเล่นกันเถอะ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14619,
                "name": "black stone go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 61,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-11-26T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-26T13:00:17.213565Z",
            "ended": "2024-11-26T14:00:23.918678Z",
            "start_waiting": "2024-11-26T13:00:17.060675Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 63734,
            "name": "【比賽區】             30/7/2020 模擬比賽(1)",
            "director": {
                "id": 808564,
                "username": "wyze Y",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/044820d6ed4a7ff93330abf29f8f73d6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2021.0763856847452,
                        "deviation": 67.98254798551302,
                        "volatility": 0.060155077473309344
                    }
                },
                "ranking": 31.205904839404827,
                "professional": false,
                "ui_class": ""
            },
            "description": "首次模擬比賽,暫限6人(將陸續開放更多)\n\n請受獲邀的同學主動進入比賽區,謝謝!",
            "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": 60,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6293,
                "name": "圍棋廊——《互研網絡圍棋交流團》",
                "summary": "歡迎世界各地有品德的圍棋愛好者!\n我們每週四香港時間晚上8:30-10:00(香港公眾假期除外)定期舉辦圍棋交流活動,歡迎自律及有棋品人士加入,費用全免!\n如有興趣報名請使用OGS訊息留言及留下聯繫電話號碼,謝謝!",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 213,
                "icon": "https://user-uploads.online-go.com/4ef0ee391d2197a2d10cacacedbcee32-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-30T12:40:00Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-07-30T12:40:42.649545Z",
            "ended": "2020-07-30T14:32:27.064315Z",
            "start_waiting": "2020-07-30T12:40:42.246190Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ef0ee391d2197a2d10cacacedbcee32-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 79240,
            "name": "onon big tournament start",
            "director": {
                "id": 981903,
                "username": "葉其安",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/174ee5569b00935fb06685f89c7947de?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 551.3553902905966,
                        "deviation": 64.026310385682,
                        "volatility": 0.060056381964805255
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "it will be fun",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3640,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-25T02:02:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-26T19:04:27.574348Z",
            "ended": "2021-09-05T23:32:15.153086Z",
            "start_waiting": "2021-08-26T19:04:27.422155Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 66251,
            "name": "GRUPO A- RONDA 1",
            "director": {
                "id": 192805,
                "username": "Gissella",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/7499667de6f78d48d0eb4dd599849b2a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1746.9465906156422,
                        "deviation": 65.93195272532586,
                        "volatility": 0.05953526561823305
                    }
                },
                "ranking": 27.831542896658643,
                "professional": false,
                "ui_class": ""
            },
            "description": "A2- RONDA 1",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6424,
                "name": "CLASIFICATORIO FEMENINO- CONGRESO  LATINOAMERICANO 2022",
                "summary": "Bienvenidas al Clasificatorio femenino rumbo al 4.º Quzhou Lanke Congreso Latino­americano de Go 2022",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 37,
                "icon": "https://user-uploads.online-go.com/f2227edb00b8347df3aecab0f35f7edd-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-04T23:15:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-10-04T23:00:24.989733Z",
            "ended": "2020-10-05T00:17:52.601103Z",
            "start_waiting": "2020-10-04T23:00:24.860465Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f2227edb00b8347df3aecab0f35f7edd-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 81693,
            "name": "Go Zodiac Friendship Games Online ราศีตุลย์ รุ่น B กระดาน 19x19 (1-2 ดั้ง)",
            "director": {
                "id": 912068,
                "username": "cp02",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 469.4157984086007,
                        "deviation": 153.83582770708145,
                        "volatility": 0.06004073543967728
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go Zodiac Friendship Games Online ราศีตุลย์ รุ่น B กระดาน 19x19 (1-2 ดั้ง)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10404,
                "name": "Zodiac กลุ่ม B(1-2 ดั้ง)",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 124,
                "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-29T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-10-29T10:00:59.209544Z",
            "ended": "2021-10-29T12:07:34.339918Z",
            "start_waiting": "2021-10-29T10:00:59.065346Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
            "player_count": 9,
            "ranked": true
        }
    ]
}