List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=593
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60350,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=594",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=592",
    "results": [
        {
            "id": 120160,
            "name": "SDK Tournament Auto Handicap",
            "director": {
                "id": 809885,
                "username": "F.W.Nietzsche",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8ab38005ce633c5a0033596845d38301-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1098.5691891405918,
                        "deviation": 62.177583318180595,
                        "volatility": 0.06020919917444374
                    }
                },
                "ranking": 17.093163926066058,
                "professional": false,
                "ui_class": ""
            },
            "description": "SDK Tournament Auto Handicap.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11630,
                "name": "SDK Proving Grounds (Single Digit Kyu)",
                "summary": "The Official SDK Proving Grounds. This group spawned from the DDK Proving Grounds (Double Digit Kyu) group, & it's popularity. Here, SDK's can play against other SDK's (or Dan players that haven’t established a solid foothold in Dan land yet). If you get s",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 101,
                "icon": "https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-20T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-09-20T10:00:56.705357Z",
            "ended": "2025-09-29T13:00:03.896330Z",
            "start_waiting": "2024-09-20T10:00:56.531303Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 77377,
            "name": "Go basics",
            "director": {
                "id": 1004942,
                "username": "Taybuddyz",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/b9464ad096ebc62e2a7ef87a9f39ebc6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 701.5807232241659,
                        "deviation": 61.86619545966917,
                        "volatility": 0.05996754285214079
                    }
                },
                "ranking": 6.712057816086596,
                "professional": false,
                "ui_class": ""
            },
            "description": "Do your best",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 613440,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 604800,
                "initial_time": 777600,
                "max_time": 777600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18068,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-14T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-14T03:10:08.530766Z",
            "ended": "2021-08-07T04:14:55.813430Z",
            "start_waiting": "2021-07-14T03:10:08.310339Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 122381,
            "name": "9x9 Mini League 1k-9k #131",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1304.0449737080983,
                        "deviation": 72.33565864620505,
                        "volatility": 0.060239346492758986
                    }
                },
                "ranking": 21.06251746707549,
                "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/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": 713,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-12-01T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-30T17:43:07.364960Z",
            "ended": "2024-12-16T03:42:45.361780Z",
            "start_waiting": "2024-11-30T17:43:07.143016Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 85143,
            "name": "SDK DDK Ultra Fast Handicap 2",
            "director": {
                "id": 886972,
                "username": "Babbo Bruno",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1017.1128530989848,
                        "deviation": 63.935322600783195,
                        "volatility": 0.05978839634293706
                    }
                },
                "ranking": 15.309675925318908,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Please note the extremely aggresive time requiremets. You must achieve 6 moves per day.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "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": 831,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-01-26T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-26T19:05:54.148690Z",
            "ended": "2022-03-31T17:32:42.306803Z",
            "start_waiting": "2022-01-26T19:05:53.515131Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 69914,
            "name": "2021 Kyu Play Learn Fun",
            "director": {
                "id": 910587,
                "username": "Snownogo",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/690d308991db4812357f5097912edfb2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 833.9511885680065,
                        "deviation": 140.3786897881897,
                        "volatility": 0.060004277743834454
                    }
                },
                "ranking": 10.71327854829572,
                "professional": false,
                "ui_class": ""
            },
            "description": "2021 for play learning and fun. Hope we can improve our skills and learn from each other. Chinese rules.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18068,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-01-16T20:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-16T19:02:44.531637Z",
            "ended": "2021-09-15T20:06:37.552182Z",
            "start_waiting": "2021-01-16T19:02:43.924864Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 30,
            "ranked": true
        },
        {
            "id": 63701,
            "name": "15vo Encuentro de Go en línea, agosto 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": 742.6556598508159,
                        "deviation": 67.77077305143554,
                        "volatility": 0.06060159640981342
                    }
                },
                "ranking": 8.029212401580375,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ya estamos en agosto y seguimos entrenando go!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "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": "2020-08-01T22:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-08-01T22:30:17.852167Z",
            "ended": "2020-08-02T00:14:47.709259Z",
            "start_waiting": "2020-08-01T22:30:16.099538Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 37,
            "ranked": true
        },
        {
            "id": 87144,
            "name": "WSC Tournament",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1274.6513862158752,
                        "deviation": 65.37626830930803,
                        "volatility": 0.06010299986513658
                    }
                },
                "ranking": 20.534738366137827,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10855,
                "name": "⚫️The Brilliant World Of OGS⚪️",
                "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 191,
                "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-12T12:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-03-12T12:00:03.435428Z",
            "ended": "2022-06-13T21:33:35.096688Z",
            "start_waiting": "2022-03-12T12:00:03.308848Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 99938,
            "name": "9x9 2-fail-out tournament",
            "director": {
                "id": 1289397,
                "username": "I am small",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/17524d40926466658ec6e36c2b5f2187-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 944.4400483626783,
                        "deviation": 64.09691638308709,
                        "volatility": 0.05999632154199083
                    }
                },
                "ranking": 13.59353989307291,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 tournament!!\n\nTime: 11:40-11:50\n\nVenue: 1C classroom\n\n(Posted by I am small in 1C)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 28,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 25,
                "initial_time": 80,
                "max_time": 90
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12876,
                "name": "SPC go (F1)",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-10T03:42:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 8,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-02-10T03:42:42.091266Z",
            "ended": "2023-02-10T03:49:05.996419Z",
            "start_waiting": "2023-02-10T03:42:41.998998Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 118912,
            "name": "Go Like tournament",
            "director": {
                "id": 1508661,
                "username": "Vadim4ik",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/8ae6f8d4e48a541c14a904302d12d04c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 472.2234118614783,
                        "deviation": 67.5295802169114,
                        "volatility": 0.06042682585189197
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Го турнир для игроков группы Go Like",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14387,
                "name": "Go Like",
                "summary": "Group for Go lovers",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 22,
                "icon": "https://user-uploads.online-go.com/bdc70a6bd645aaca6bcdc9c61710f51e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-11T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-08-11T04:00:05.963648Z",
            "ended": "2024-08-27T04:10:13.225996Z",
            "start_waiting": "2024-08-11T04:00:05.882069Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bdc70a6bd645aaca6bcdc9c61710f51e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 116047,
            "name": "Spring Tournament",
            "director": {
                "id": 1265911,
                "username": "WillZ",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/57b72eb841ee2184293939760d71a983-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1647.4912107018076,
                        "deviation": 67.6728804343012,
                        "volatility": 0.059934250425532735
                    }
                },
                "ranking": 26.4745869836504,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 174851,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 172800,
                "initial_time": 259200,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8605,
                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2195,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-05-20T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-24T13:19:52.847973Z",
            "ended": "2025-03-05T08:43:42.650383Z",
            "start_waiting": "2024-05-24T13:19:52.288982Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}