List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=562
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58908,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=563",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=561",
    "results": [
        {
            "id": 92802,
            "name": "tournament with their own",
            "director": {
                "id": 1145806,
                "username": "YT_Mr. Hosi",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/21b416fe0f4a7a32cca71355af09a5eb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1269.967313913865,
                        "deviation": 66.18287701360585,
                        "volatility": 0.059937188173005744
                    }
                },
                "ranking": 20.449510354362694,
                "professional": false,
                "ui_class": ""
            },
            "description": "GoBanDit",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 25,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 15,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12100,
                "name": "GoBanDit+",
                "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 65,
                "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-07-27T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-07-27T10:00:40.988413Z",
            "ended": "2022-07-27T11:42:00.094438Z",
            "start_waiting": "2022-07-27T10:00:40.825657Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 41234,
            "name": "Just a random 9x9 RR fun tournament :)",
            "director": {
                "id": 561660,
                "username": "redxpanda",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/a3f92305488b1c0cf4fff0101b307c6b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.2697865589387,
                        "deviation": 63.67529285214722,
                        "volatility": 0.060008563555866305
                    }
                },
                "ranking": 21.783029404157162,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day per turn. have fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": true,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 3612,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-09-28T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-09-28T04:00:01.612745Z",
            "ended": "2018-10-05T06:55:48.938607Z",
            "start_waiting": "2018-09-28T04:00:00.270098Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 124921,
            "name": "Servus Oida Handicap Tournament #9",
            "director": {
                "id": 1285178,
                "username": "VikingKoala",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1072.5944869996276,
                        "deviation": 64.38572122897551,
                        "volatility": 0.05971550279449975
                    }
                },
                "ranking": 16.539227756835,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Handicap McMahon Kyu Player Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "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": false,
            "time_start": "2025-03-18T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 12,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-18T17:00:17.058813Z",
            "ended": "2025-12-28T20:02:39.956936Z",
            "start_waiting": "2025-03-18T17:00:16.956926Z",
            "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": 119085,
            "name": "No1 real competition for no dan",
            "director": {
                "id": 1606495,
                "username": "Madara Uchiha",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/8eec8f0c775a4648b9b2bbcc7712eaf5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1254.5247369993929,
                        "deviation": 71.56514087746773,
                        "volatility": 0.06002016894426035
                    }
                },
                "ranking": 20.166284970802867,
                "professional": false,
                "ui_class": ""
            },
            "description": "New year tournament\n\n\nDan players are not allowed because they are op",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 864000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14552,
                "name": "Kb group",
                "summary": "Another get to one Dan but this will have real tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/a72d83f9547b071f1b8a58b0b8bec847-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-01T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-01T08:00:35.648752Z",
            "ended": null,
            "start_waiting": "2025-01-01T08:00:35.521946Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/a72d83f9547b071f1b8a58b0b8bec847-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 65302,
            "name": "21 Encuentro de Go en línea, septiembre 2020",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 702.7832420117375,
                        "deviation": 68.15986210019427,
                        "volatility": 0.06057660627238546
                    }
                },
                "ranking": 6.751703260465856,
                "professional": false,
                "ui_class": ""
            },
            "description": "Partidas de Go",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 20,
                "periods": 3
            },
            "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": 237,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-12T22:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-12T22:30:07.090994Z",
            "ended": "2020-09-12T23:34:37.772054Z",
            "start_waiting": "2020-09-12T22:30:06.061353Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 86227,
            "name": "Correspondence SDK and DDK tournament (all based on strength)",
            "director": {
                "id": 765440,
                "username": "-Crr-Ake-",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/9d99bf00e6d20984d9593370304f4512?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1600.786020918073,
                        "deviation": 61.22517156646065,
                        "volatility": 0.059964088743382375
                    }
                },
                "ranking": 25.808818894048446,
                "professional": false,
                "ui_class": ""
            },
            "description": "One of the first tournaments this group has had in ages..\nFor SDK and DDK people, join to practice your skills and battle it out to the finals to claim the champion Kyu player!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "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": true,
            "group": {
                "id": 9245,
                "name": "Kyu teaching group",
                "summary": "If you are a weaker kyu player, join and learn!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/4a1b6fcbccdec3790c8c05893fbde6a8-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-01T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-06-13T21:34:44.185623Z",
            "ended": "2022-06-30T04:09:12.198387Z",
            "start_waiting": "2022-06-13T21:34:44.097985Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4a1b6fcbccdec3790c8c05893fbde6a8-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2930,
            "name": "Defunct.",
            "director": {
                "id": 69513,
                "username": "Platitude",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/711f070e5ab63c48bd82ac6dd5b4c291-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1822.3404202246109,
                        "deviation": 75.94079791189718,
                        "volatility": 0.06002281925948845
                    }
                },
                "ranking": 28.809680435859967,
                "professional": false,
                "ui_class": ""
            },
            "description": "NOTE TO ALL PLAYERS OF THE MEMORIAL WEEKEND TOURNAMENT: Due to my own stupidity and lack of experience with the site, I unwittingly started the games early, causing most of the matches to time out. My deepest apologies go out to you guys, and I hope that my next experience organizing a tournament turns out better.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 180,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 180
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8807,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "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": false,
            "exclusivity": "open",
            "started": "2014-05-23T23:51:40.933156Z",
            "ended": "2014-05-24T00:12:05.537869Z",
            "start_waiting": "2014-05-23T23:51:40.454423Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 13226,
            "name": "GO Italia - Winter Double Elimination",
            "director": {
                "id": 88657,
                "username": "ema",
                "country": "ie",
                "icon": "https://user-uploads.online-go.com/639800871596bbd9bbed20e3d1ab26ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1840.9105844323144,
                        "deviation": 67.35246744470619,
                        "volatility": 0.05986074416191198
                    }
                },
                "ranking": 29.044391616407477,
                "professional": false,
                "ui_class": ""
            },
            "description": "Wanna try a double elimination tournament for kyu players? Then join this one. :D It's a correspondence tourney, but kinda fast (3 moves/day at least). Enjoy!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 28800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 93,
                "name": "GO Italia",
                "summary": "Il gruppo per i giocatori di GO italiani.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-12-21T11:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "strength",
            "min_ranking": 13,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-12-21T11:00:08.943031Z",
            "ended": "2016-07-15T20:43:11.769197Z",
            "start_waiting": "2015-12-21T11:00:08.676823Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 83635,
            "name": "9x9 Mini League 1k-9k #3",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1317.204020981182,
                        "deviation": 70.01380103919239,
                        "volatility": 0.060139846375902514
                    }
                },
                "ranking": 21.294952084407523,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10752",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 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": 685,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-19T21:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-17T20:11:01.308097Z",
            "ended": "2022-01-23T11:41:53.028878Z",
            "start_waiting": "2021-12-17T20:11:01.022786Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 63630,
            "name": "tournament for fun",
            "director": {
                "id": 787818,
                "username": "Ernie Ip",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/6ff93d62e603d6754e9948ca7f093372-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 848.0310294421083,
                        "deviation": 65.44134154669923,
                        "volatility": 0.0599842022485025
                    }
                },
                "ranking": 11.100864013221816,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play this for fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5925,
                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-28T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-28T07:52:22.087530Z",
            "ended": "2020-07-29T08:02:01.010678Z",
            "start_waiting": "2020-07-28T07:52:21.856225Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png",
            "player_count": 6,
            "ranked": true
        }
    ]
}