List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=438
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59150,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=439",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=437",
    "results": [
        {
            "id": 127899,
            "name": "TorneoCOSA",
            "director": {
                "id": 1758657,
                "username": "maudorqw",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9fd422eae42cb2138480f9775f768460?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 461.7358825805775,
                        "deviation": 69.17135930051244,
                        "volatility": 0.060053506563370905
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "asdasd",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 180,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15288,
                "name": "Good_ESCOM",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-27T04:16:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-04-27T04:16:01.238137Z",
            "ended": "2025-04-27T04:38:11.739932Z",
            "start_waiting": "2025-04-27T04:16:01.158618Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 100548,
            "name": "13th Kuksu Main Title Match - Board 3",
            "director": {
                "id": 40318,
                "username": "gamesorry",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1991.7792636342383,
                        "deviation": 68.18014117707304,
                        "volatility": 0.06015600072832247
                    }
                },
                "ranking": 30.86787103733619,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "<!-- 13th Kuksu Main Title Match - Board 1 -->\n\nTitle Holder: \n<a style=\"color:purple\" href='https://online-go.com/user/view/43936/'>Sadaharu [Kuksu] x1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>13th</td>\n\t<td style=\"color:purple\">Kuksu</td>\n\t<td>Main</td>\n\t<td>2021</td>\n\t<td><a style=\"color:purple\" href='https://online-go.com/user/view/43936/'>Sadaharu [Kuksu]</a></td>\n\t<td><a href='https://online-go.com/player/1044/'>drmwc [5d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/51949612'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/51949657'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100548'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100549'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100550'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/62321'>Kuksu Main Title Tournament 13th Cycle</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2969,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-16T07:14:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2023-03-16T07:14:54.955668Z",
            "ended": "2023-07-15T19:15:03.077252Z",
            "start_waiting": "2023-03-16T07:14:54.884805Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 120875,
            "name": "JORNADA 5 DE ENTRENAMIENTO INTERMEDIO DE GO INVIERNO 2024",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1171.207886687557,
                        "deviation": 60.582228588721904,
                        "volatility": 0.059730739267367286
                    }
                },
                "ranking": 18.575389024397857,
                "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": 42,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 720,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-06T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2024-10-06T00:35:27.477093Z",
            "ended": "2024-10-06T01:00:11.000329Z",
            "start_waiting": "2024-10-06T00:35:27.429646Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 81268,
            "name": "Wasaboi Tournament",
            "director": {
                "id": 1047083,
                "username": "Wasaboy",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7f427ae4bebe830ccc4b6cc6e669143a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1047.2758675027353,
                        "deviation": 62.762950067504484,
                        "volatility": 0.06001305265766314
                    }
                },
                "ranking": 15.986218548395701,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10174,
                "name": "Wasaboys",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/a5b1223637417680999eb6841d90533b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-13T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-23T09:08:47.302781Z",
            "ended": "2021-10-23T09:15:58.762277Z",
            "start_waiting": "2021-10-23T09:08:47.206041Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a5b1223637417680999eb6841d90533b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 85433,
            "name": "29/1 1 -> 何炬輘\t2 -> 楊興宇",
            "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": "29/1 1 -> 何炬輘\t2 -> 楊興宇",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 900
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-01-29T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-01-29T07:21:26.523193Z",
            "ended": "2022-01-29T07:49:45.549171Z",
            "start_waiting": "2022-01-29T07:21:26.469500Z",
            "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": 138656,
            "name": "แข่งขันครั้งที่3",
            "director": {
                "id": 1834808,
                "username": "CP12",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9e6657edb905f03c794b5126e0930eff?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 718.3342462557268,
                        "deviation": 157.18203853328103,
                        "volatility": 0.060000465207427335
                    }
                },
                "ranking": 7.258375118164892,
                "professional": false,
                "ui_class": ""
            },
            "description": "แข่งขัน",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16274,
                "name": "หมากล้อม ล้อมใจ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/f1ebbdbad8e7da980156e1af70e2c954-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-26T04:23:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-03-26T04:23:08.471469Z",
            "ended": "2026-03-26T05:04:35.848262Z",
            "start_waiting": "2026-03-26T04:23:08.238149Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f1ebbdbad8e7da980156e1af70e2c954-15.png",
            "player_count": 12,
            "ranked": false
        },
        {
            "id": 81236,
            "name": "good luck",
            "director": {
                "id": 1061947,
                "username": "YoArt",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/963dddfffbb3e48e8b9a668a389f2338-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1683.2714724536918,
                        "deviation": 97.07174632783313,
                        "volatility": 0.05999092887917752
                    }
                },
                "ranking": 26.971977523025522,
                "professional": false,
                "ui_class": ""
            },
            "description": "Owddfttffttt",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 10,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10314,
                "name": "เรียงเกมคนเก่งๆ",
                "summary": "ดูเกมโปร",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/6ca82871fef50875fec3e3a5cb710883-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-12T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-12T06:30:28.446857Z",
            "ended": "2021-10-12T06:35:58.795309Z",
            "start_waiting": "2021-10-12T06:30:28.396242Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6ca82871fef50875fec3e3a5cb710883-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 89637,
            "name": "19x19",
            "director": {
                "id": 599102,
                "username": "🐬⚔️🐬 🍩🥂🕯️🌱",
                "country": "bs",
                "icon": "https://user-uploads.online-go.com/9f1b3b5e4e9ea8e9cad3ce3456addaf5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1646.7114093252521,
                        "deviation": 65.53236576357357,
                        "volatility": 0.06020281826982568
                    }
                },
                "ranking": 26.463626879317594,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10635,
                "name": "Blitz ⚡",
                "summary": "Welcome,\n\nBlitz style tourneys, please join if you like speedy Go!\n\n\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-05-06T02:38:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-05-06T02:38:28.066988Z",
            "ended": "2022-05-06T03:05:13.059770Z",
            "start_waiting": "2022-05-06T02:38:28.007329Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 85807,
            "name": "test for alvin",
            "director": {
                "id": 558734,
                "username": "Rock_wu",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/91b8924879ec8e6d008d5860f7bd24b9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1217.2994985881783,
                        "deviation": 140.21487980079888,
                        "volatility": 0.059990052906017666
                    }
                },
                "ranking": 19.468962390523753,
                "professional": false,
                "ui_class": ""
            },
            "description": "afal hha a hksf",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "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": 10786,
                "name": "空中教室围棋班",
                "summary": "G3-G12零基础到3级的学生\n\n\n\n",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 24,
                "icon": "https://user-uploads.online-go.com/853d070c2d98ea9872c521c37780030b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-02-06T19:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-02-06T19:00:32.225508Z",
            "ended": "2022-02-06T19:17:16.510567Z",
            "start_waiting": "2022-02-06T19:00:32.165184Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/853d070c2d98ea9872c521c37780030b-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 82276,
            "name": "My birthday tournament🎉",
            "director": {
                "id": 802455,
                "username": "royz",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/23489ab482345a76b6d432ff07368b5a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.1310274249,
                        "deviation": 62.60253870008884,
                        "volatility": 0.06006769076422171
                    }
                },
                "ranking": 16.093293696950248,
                "professional": false,
                "ui_class": ""
            },
            "description": "yay!\n10/11/21\nhave fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "nz",
            "time_per_move": 89280,
            "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": 7025,
                "name": "the good go group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-11-10T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-10T06:09:37.960678Z",
            "ended": "2021-12-26T18:06:15.361479Z",
            "start_waiting": "2021-11-10T06:09:37.032741Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}