List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5751
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59401,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5752",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5750",
    "results": [
        {
            "id": 136125,
            "name": "ROAD to DAN_2nd Q-round",
            "director": {
                "id": 1864146,
                "username": "컬리타임",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/911e6202829231fef8fc97edf966f6bd?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1759.7419988179279,
                        "deviation": 69.25021409115699,
                        "volatility": 0.05997855221204473
                    }
                },
                "ranking": 28.000485765095004,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament is for players who want to play FAST CORRESPONDENCE.\n\nDouble Elimination for 15k~1k\n\nStart Time: 1 day\n\nIncrements Time (Ficher): 6 hours\n\nMax. Time: 3 days\n\nBE CAREFUL about the time settings.\n\nNo pause and No vacation, anyone who turns on the vacation mode or pauses a game, will be disqualified.  (If you notice a player violating the above rules, please notify the tournament administrator.)\n\nPlease send a messege to  <a href=\"https://online-go.com/user/view/1864146\" target=\"_blank\">컬리타임 or </a> <a href=\"https://online-go.com/player/1776211/\" target=\"_blank\">MAESTRO of BADUK </a> if you find that anyone or your opponent pauses or turns vacation mode on.\n\n-----\nRestricted Rank: 1k\n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to Dec 1. 2025)\n\n*****\nDuplicate Participate Possible:\n\nYou can join more than one qualifier without any problem. If you earn multiple spots in the main tournament, you’ll keep one seed, and the remaining one(s) will go to the next eligible player in the qualifier.\n\n*****\nQualify Round Participant:\n\nIf there are 16 or fewer players, the top two players will advance to the finals.\nAlso,  If there are 16 to 32 players, the top 4 players will advance to the finals.\n*****\nFeel free to give tips to your opponent after the game. It could be how we can improve Baduk/Go.\n\nDo not use AI\n\n-----\n<a href=\"https://online-go.com/tournament/135235\" target=\"_blank\">1st Q-round: in progress </a>",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 22284,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 21600,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15815,
                "name": "RollingStones : Global & 한국인",
                "summary": "한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 68,
                "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-21T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 15,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-21T04:43:23.604611Z",
            "ended": null,
            "start_waiting": "2026-01-21T04:43:23.225344Z",
            "board_size": 19,
            "active_round": 5,
            "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png",
            "player_count": 27,
            "ranked": true
        },
        {
            "id": 130578,
            "name": "13x13 Mini League 5k-15k #10",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.853799560171,
                        "deviation": 67.3768163524415,
                        "volatility": 0.060025167068784406
                    }
                },
                "ranking": 16.823651478136373,
                "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": 58,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-08-08T17:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-08-04T13:14:38.472182Z",
            "ended": "2025-12-16T12:21:14.872647Z",
            "start_waiting": "2025-08-04T13:14:38.261896Z",
            "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": 121779,
            "name": "9x9 Mini League 5k-15k #102",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.1348379116837,
                        "deviation": 67.2035710014903,
                        "volatility": 0.06020465154221762
                    }
                },
                "ranking": 21.98631332494487,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-11-10T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-06T20:25:21.157620Z",
            "ended": "2024-11-26T11:54:24.527475Z",
            "start_waiting": "2024-11-06T20:25:21.014013Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 80,
            "name": "ekabiljo's mini-tournament",
            "director": {
                "id": 2394,
                "username": "ekabiljo",
                "country": "rs",
                "icon": "https://secure.gravatar.com/avatar/f0f6c65e88e394b3f5c64879f1c6f9f0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1597.0769069026514,
                        "deviation": 64.91854794373918,
                        "volatility": 0.0601948878231282
                    }
                },
                "ranking": 25.75511676240588,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 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": 15,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2006-04-24T14:01:00Z",
            "ended": "2006-08-08T08:47:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 15913,
            "name": "Reddit Round Robin Handicap Correspondence - 15k-6k",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1271.8291525938307,
                        "deviation": 62.37331178311686,
                        "volatility": 0.059568650713133164
                    }
                },
                "ranking": 20.483424614389193,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Reddit Round Robin Handicap Correspondence - 15k-6k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2283,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-03-28T18:46:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 24,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-03-21T20:24:56.236184Z",
            "ended": "2016-07-08T14:25:55.017166Z",
            "start_waiting": "2016-03-21T20:24:53.096678Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 123077,
            "name": "Servus Oida Open Tournament #9",
            "director": {
                "id": 1285178,
                "username": "VikingKoala",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1062.179105447224,
                        "deviation": 63.93545283650046,
                        "volatility": 0.05970758767833281
                    }
                },
                "ranking": 16.313332142442768,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "McMahon Kyu Player Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5720,
                "name": "Outside Go7",
                "summary": "Die Gruppe für alle, die sonst im Go7 spielen.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-11T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-10T17:05:41.578431Z",
            "ended": "2025-05-29T06:55:03.706020Z",
            "start_waiting": "2025-02-10T17:05:41.353733Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 767,
            "name": "unrated 13",
            "director": {
                "id": 17565,
                "username": "kwiatek",
                "country": "ca",
                "icon": "https://secure.gravatar.com/avatar/b117b1cc992aec6d4722200d4cbf7720?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1416.6134971145868,
                        "deviation": 62.6470618011909,
                        "volatility": 0.06000269339231975
                    }
                },
                "ranking": 22.979296032411114,
                "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": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 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": 15,
            "max_ranking": 18,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-04-03T17:32:29Z",
            "ended": "2009-04-03T15:32:29Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 119606,
            "name": "Servus Oida Open Tournament #4",
            "director": {
                "id": 1285178,
                "username": "VikingKoala",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1062.179105447224,
                        "deviation": 63.93545283650046,
                        "volatility": 0.05970758767833281
                    }
                },
                "ranking": 16.313332142442768,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "McMahon Kyu Player Tournament\n\nServus Oida Open Tournament #5: https://online-go.com/tournament/120234",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5720,
                "name": "Outside Go7",
                "summary": "Die Gruppe für alle, die sonst im Go7 spielen.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-10-16T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-16T17:00:43.807005Z",
            "ended": "2025-02-27T01:05:49.278654Z",
            "start_waiting": "2024-10-16T17:00:43.565934Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 135375,
            "name": "Midrange Madness 19x19 2601",
            "director": {
                "id": 1164695,
                "username": "Guy Mulford",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5cb2530df2b32aef8bd63989615c3485-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1272.2387297156342,
                        "deviation": 66.20731223507522,
                        "volatility": 0.0599763971830409
                    }
                },
                "ranking": 20.49087859037592,
                "professional": false,
                "ui_class": ""
            },
            "description": "Life happens. Vacation time is legal but please don't use it to stall the tournament as that will be considered grounds for disqualification.\n\nHave fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12568,
                "name": "League of Extraordinary Players",
                "summary": "We play Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-04T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-04T08:00:47.143876Z",
            "ended": "2026-04-09T02:06:16.251770Z",
            "start_waiting": "2026-01-04T08:00:47.031453Z",
            "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": 111948,
            "name": "Put and Rumis Tournament",
            "director": {
                "id": 1470605,
                "username": "コビー大佐",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/0d3eeb73d3a223e7c934d52715fa8233-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1152.2780303362724,
                        "deviation": 64.84780508577205,
                        "volatility": 0.06056773556265623
                    }
                },
                "ranking": 18.19816627672791,
                "professional": false,
                "ui_class": ""
            },
            "description": "For 13x13 playes good luck",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 345600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13972,
                "name": " All Game Lovers ",
                "summary": "A space for \"All Games Lovers!\"",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 61,
                "icon": "https://user-uploads.online-go.com/dc4b9333339c5a29353686ab5290b5e6-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-01-25T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-25T16:00:14.199976Z",
            "ended": "2024-05-26T09:55:21.583411Z",
            "start_waiting": "2024-01-25T16:00:14.027274Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc4b9333339c5a29353686ab5290b5e6-15.png",
            "player_count": 11,
            "ranked": true
        }
    ]
}