List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=name&page=378
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59564,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=name&page=379",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=name&page=377",
    "results": [
        {
            "id": 108726,
            "name": "3rd Go Exchange Tournament 2K~3D",
            "director": {
                "id": 1161013,
                "username": "朵兒普拉斯-doorplus-",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1151.0937500744108,
                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
                    }
                },
                "ranking": 18.174361096243295,
                "professional": false,
                "ui_class": ""
            },
            "description": "Attention: Time Setting for the Game.\n                                                     \n⭐️⭐️⭐️⭐️⭐️ When all players(who are not disqualified) have finished the games, but there are still some games continued by players who were disqualified by timeout. In order to keep the tournament going, the games with the disqualified players will be TERMINATED by the tournament director.                                                                                                      \n\n⭐️⭐️⭐️⭐️⭐️ The smallest group in each round will get an extra (?) points so that their points will be only 1 point less than the other groups.                                    \n*(?) usually 0-2 points.                                                                                    \n                                                               \n🍭Tips:                                                      \n1️⃣Disqualification will occur if a player loses by timeout.                                                           \n2️⃣If disqualified by the tournament director, all outstanding games will be forfeited, which will affect the player’s ranking.                                               \n                                                                \n🍭The following rules must be obeyed to guarantee a respectful game:                                                   \n1️⃣No pauses are allowed.                                       \n2️⃣No vacation mode is permitted. (If a player is on vacation, they and their opponent can still make a move, but time will be suspended. Soooooooooooo, vacation mode is absolutely NOT allowed.)                                      \n3️⃣Any player who is on vacation or has paused the game will be disqualified without further notice or reminder.         \n4️⃣If you find that a player pauses the game or enters vacation mode, please send a message to the tournament director.                                                        \n\nHave fun and Enjoy. :)",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45573,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 36000,
                "initial_time": 1209600,
                "max_time": 1814400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12824,
                "name": "Way to GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-11-07T09:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 28,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-11-05T20:55:01.400681Z",
            "ended": "2024-07-22T00:04:47.423138Z",
            "start_waiting": "2023-11-05T20:55:00.045207Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 85113,
            "name": "3rd International Mandelbrot Cup",
            "director": {
                "id": 527014,
                "username": "deleted-fae04c4c-3738-4477-a91f-f0435f893e32",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/b243196be54f7c40b369dcf90670360e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1043.6976545990792,
                        "deviation": 69.08991620947712,
                        "volatility": 0.05998374323037165
                    }
                },
                "ranking": 15.90698683292563,
                "professional": false,
                "ui_class": ""
            },
            "description": "In honour of Benoit Mandelbrot a mathematician famous for the Mandelbrot set. The Mandelbrot set is one of the most beautiful bits of maths showing all values of c in which the corresponding Julia set of z->z^2+c is connected.\n\n…maybe our games of Go demonstrate something of the fractal properties that we see in the Mandelbrot set.\n\nThis cup has moved from the UK group to here.\nWho has what it takes to hold the third title!\n\nJoin in and have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2748,
                "name": "English Go Clan",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/74aca6b5e68bc9cae703988a2219d093-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-24T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-24T20:00:42.307776Z",
            "ended": "2022-12-02T18:04:12.709729Z",
            "start_waiting": "2022-01-24T20:00:41.248578Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/74aca6b5e68bc9cae703988a2219d093-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 513,
            "name": "3rd Kuroi Neko Invitational -- Please do not enter!",
            "director": {
                "id": 925,
                "username": "nmb3rw9pf8a",
                "country": "",
                "icon": "https://secure.gravatar.com/avatar/7fa732b517cbed14a48843d74526c11a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2328.9918453060527,
                        "deviation": 156.83309587863613,
                        "volatility": 0.06000987291398867
                    }
                },
                "ranking": 34.488696511937015,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-06-08T18:11:48Z",
            "ended": "2008-06-08T16:11:48Z",
            "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": 86529,
            "name": "3rd Kwago League",
            "director": {
                "id": 753236,
                "username": "totesuru",
                "country": "ph",
                "icon": "https://user-uploads.online-go.com/210744714a0baefd001f5eef4084dc84-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1487.7479916401726,
                        "deviation": 62.878382806141644,
                        "volatility": 0.05991274501706562
                    }
                },
                "ranking": 24.113516380733298,
                "professional": false,
                "ui_class": ""
            },
            "description": "Mabuhay, kwago players!\n\nSimula na ng liga sa March 7, 2022.\n\nPara sa detalye ng rules at results, pumunta sa 3KL tournament page: https://braacket.com/tournament/3rdkwago",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 604800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 309,
                "name": "Filipino Go Group",
                "summary": "Go Group for Filipinos",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 94,
                "icon": "https://user-uploads.online-go.com/d85657374f9a7c3118ee143d11e0598b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-06T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2022-03-06T16:00:28.763561Z",
            "ended": "2022-05-11T23:28:50.846613Z",
            "start_waiting": "2022-03-06T16:00:28.300945Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d85657374f9a7c3118ee143d11e0598b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 3032,
            "name": "3rd Kyu Level Nines",
            "director": {
                "id": 52052,
                "username": "ST000MA",
                "country": "rs",
                "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1773.7204734712398,
                        "deviation": 64.7543915421217,
                        "volatility": 0.06233350490466346
                    }
                },
                "ranking": 28.18365079311867,
                "professional": false,
                "ui_class": ""
            },
            "description": "Starts on Saturday, 23.8.2014. at 19:00 UTC",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 120,
                "max_time": 120,
                "time_increment": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-08-23T18:59:46.012547Z",
            "ended": "2014-08-23T19:21:47.011394Z",
            "start_waiting": "2014-08-23T18:59:45.771913Z",
            "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": 26686,
            "name": "3rd Lviv Group Tournament",
            "director": {
                "id": 79,
                "username": "oldyew",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1705.3371445600435,
                        "deviation": 62.790139205239456,
                        "volatility": 0.06003537827844153
                    }
                },
                "ranking": 27.273474442381108,
                "professional": false,
                "ui_class": ""
            },
            "description": "continue tournament practice :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1460,
                "name": "Lviv Club",
                "summary": "Lviv Go Players Group",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-05-01T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 2,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-04-29T16:57:52.387383Z",
            "ended": "2018-01-17T13:21:46.120547Z",
            "start_waiting": "2017-04-29T16:57:48.977026Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 132495,
            "name": "3rd SPMS Internal Tournament",
            "director": {
                "id": 1640355,
                "username": "Jxmeen",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/c5389eaa972e9dbf1be046e179c3d68a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1278.8474909084346,
                        "deviation": 63.40216235751937,
                        "volatility": 0.059996834135477885
                    }
                },
                "ranking": 20.61082213648176,
                "professional": false,
                "ui_class": ""
            },
            "description": "3rd Holiday Internal Tournament for AY2025/26",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "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": 15657,
                "name": "SPMS Weiqi AY25/26 Exco-Subcomm",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-09-21T11:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-09-21T11:01:24.260647Z",
            "ended": "2025-09-21T12:56:55.224186Z",
            "start_waiting": "2025-09-21T11:01:24.175834Z",
            "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": 60560,
            "name": "3rd Tournament",
            "director": {
                "id": 766536,
                "username": "THWCLS",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b61dce2fdf0ca2fc2a14ea43b1b36f5e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 979.4363615347038,
                        "deviation": 63.2998750826044,
                        "volatility": 0.05999648511733788
                    }
                },
                "ranking": 14.435853903816318,
                "professional": false,
                "ui_class": ""
            },
            "description": "Third time lucky, please join before 13:15 today if you want to play!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 5406,
                "name": "CLSGOSOC",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 20,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-15T12:15:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-05-15T12:15:23.278710Z",
            "ended": "2020-05-21T12:38:04.233237Z",
            "start_waiting": "2020-05-15T12:15:22.882642Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 98013,
            "name": "3rd Trying for SDK, fast round robin",
            "director": {
                "id": 886972,
                "username": "Babbo Bruno",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1066.6504568231258,
                        "deviation": 65.21964745839705,
                        "volatility": 0.0597946843745531
                    }
                },
                "ranking": 16.41057988684139,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Note the aggressive time requirement, you must average 3 plays per day.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30851,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 28800,
                "initial_time": 259200,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 821,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-22T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 17,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-22T23:00:53.845226Z",
            "ended": "2023-01-20T13:26:19.855086Z",
            "start_waiting": "2022-12-22T23:00:53.487876Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 18007,
            "name": "3rd Weekly Vanilla cup",
            "director": {
                "id": 313632,
                "username": "AtariTime",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/86c18b2d06178a83c364e700a68a7179-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1025.6217318681754,
                        "deviation": 61.71658235558162,
                        "volatility": 0.06005974607211303
                    }
                },
                "ranking": 15.502536695610152,
                "professional": false,
                "ui_class": ""
            },
            "description": "A beginner-friendly weekly tournament. Restricted to group members, non-provisional players, level under 20kyu. *Non-members can contact the group admin to apply to the tournament.*\n\n**A note for fake-beginners:** If you're not a beginner, try other tournaments according to your real skills instead (it would be more fair, no pain no gain!). Good luck to all players!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 1200,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1118,
                "name": "The Vanilla Cups",
                "summary": "For beginner players (25k-20k): tournaments, strategies & tips, friendly matches...",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/6045359e14a7f4da55c9df5bdd94b41c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-06-16T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2016-09-02T14:04:53.393772Z",
            "ended": "2016-09-02T15:05:50.578331Z",
            "start_waiting": "2016-09-02T14:04:52.725829Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6045359e14a7f4da55c9df5bdd94b41c-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}