List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5945
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60019,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5946",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5944",
    "results": [
        {
            "id": 41578,
            "name": "For Beginners LIVE Weekly On Sundays 6:00 PM (UTC+0)",
            "director": {
                "id": 488500,
                "username": "Picard",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f1c34fa096a5d8ad30ce9febb7d4870e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1470.3231083618412,
                        "deviation": 67.06113000039035,
                        "volatility": 0.0599711398659376
                    }
                },
                "ranking": 23.840777355800686,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournaments occurs 1 hour before it starts\nOn saturdays and sundays 6:00 PM (UTC+0)\n\nPLEASE JOIN ONLY IF YOU SURE YOU WILL BE HERE WHEN TOURNAMENT STARTS OR RIGHT BEFORE IT STARTS\n\nIf you a beginner but your rank higher than 20k you need to play more ranked games (about 10 total)\n\nLEARN TO PLAY GO https://online-go.com/learn-to-play-go\n\nThere is documentary about go SURROUNDING GAME and anime HIKARU NO GO\n\nTO JOIN OTHER TOURNAMENTS VISIT THE GROUP PAGE https://online-go.com/group/2946\n\nMOST OF THE PLAYERS WHO JOINED TO THE LAST LIVE TOURNAMENT DINT COME AT THE TIME AND THERE WAS LOTS OF TIMEOUTS. I TRY SOMETHING DIFRENT NEXT LIVE TOURNAMENTS WILL OCCURS ON SATURDAY AND SUNDAY 1 HOUR BEFORE IT STARS. START TIME THE SAME",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 34,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 420,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 3,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2946,
                "name": "Final Frontier",
                "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-10-07T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-10-07T18:00:09.691384Z",
            "ended": "2018-10-07T18:25:40.136224Z",
            "start_waiting": "2018-10-07T18:00:08.925884Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 128498,
            "name": "Let's go",
            "director": {
                "id": 1649997,
                "username": "jjaassoonn",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/0c10713785bc1c0f1af706a90b6a6e51?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 902.1491175043427,
                        "deviation": 66.10541677678857,
                        "volatility": 0.060290924469969996
                    }
                },
                "ranking": 12.53298317299359,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's go",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "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": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15337,
                "name": "Camden Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-06-01T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-06-01T02:00:40.861175Z",
            "ended": "2025-11-17T14:34:13.873380Z",
            "start_waiting": "2025-06-01T02:00:40.716227Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 1714,
            "name": "come and win me 3",
            "director": {
                "id": 39869,
                "username": "ny",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/4a5bd899aafac4b589a567052c590316?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1372.0713020870298,
                        "deviation": 65.00493730427769,
                        "volatility": 0.060048814960913535
                    }
                },
                "ranking": 22.23970759435493,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 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": 385,
                "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": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-11-04T23:08:50Z",
            "ended": "2012-11-04T22:08:50Z",
            "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": 19218,
            "name": "The tournament",
            "director": {
                "id": 347221,
                "username": "Alectheawesome",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/8cc82c3bd72324f5d5a9593a44dc37c8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 990.4079179848546,
                        "deviation": 84.17537818788169,
                        "volatility": 0.06001435971211636
                    }
                },
                "ranking": 14.693736378050405,
                "professional": false,
                "ui_class": ""
            },
            "description": "super",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 60,
                "max_time": 604800,
                "time_increment": 0
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 28,
                "name": "Teaching League",
                "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4495,
                "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-07-22T19:50:00Z",
            "players_start": 20,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-08-09T05:20:15.642958Z",
            "ended": "2016-08-09T05:40:20.807439Z",
            "start_waiting": "2016-08-09T05:20:13.958672Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 50476,
            "name": "第3期 ひよこクラス 9路盤【 楽人リーグ戦 】",
            "director": {
                "id": 582205,
                "username": "さかもと",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/a4fd22623c4d90b173eef890e634934d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1806.4877161432678,
                        "deviation": 141.8396152914018,
                        "volatility": 0.06002488366424099
                    }
                },
                "ranking": 28.607415450972766,
                "professional": false,
                "ui_class": ""
            },
            "description": "ひよこクラスは9路盤での開催です。 対象棋力:25級~20級\n\n挨拶はしっかり! マナーを守って楽しく対局しましょう!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44160,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3048,
                "name": "【 公式 】楽人リーグ戦",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/b602a3a4c62da69475b1f2bf4b93d4a1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-07-26T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-07-26T19:24:04.005044Z",
            "ended": "2019-07-31T12:02:51.270166Z",
            "start_waiting": "2019-07-26T19:24:02.492184Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b602a3a4c62da69475b1f2bf4b93d4a1-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 110201,
            "name": "Beginners",
            "director": {
                "id": 1474087,
                "username": "Desemperejilado",
                "country": "_cat",
                "icon": "https://user-uploads.online-go.com/c16324424dda0e606d61c0c9c442596d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 691.6241413239898,
                        "deviation": 62.46178107941615,
                        "volatility": 0.06014803198165181
                    }
                },
                "ranking": 6.381167792675083,
                "professional": false,
                "ui_class": ""
            },
            "description": "Mostly for beginners",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 107733,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 1814400
            },
            "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": 18023,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-02T00:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-10-17T22:18:01.147997Z",
            "ended": "2025-12-01T10:49:40.885095Z",
            "start_waiting": "2025-10-17T22:18:00.979552Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 19751,
            "name": "basic tournament",
            "director": {
                "id": 347221,
                "username": "Alectheawesome",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/8cc82c3bd72324f5d5a9593a44dc37c8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 990.4079179848546,
                        "deviation": 84.17537818788169,
                        "volatility": 0.06001435971211636
                    }
                },
                "ranking": 14.693736378050405,
                "professional": false,
                "ui_class": ""
            },
            "description": "easy tourny",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "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": false,
            "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": 3669,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2016-08-14T18:07:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2016-08-27T21:39:02.985597Z",
            "ended": "2016-10-03T19:05:45.063151Z",
            "start_waiting": "2016-08-27T21:39:02.595807Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 3350,
            "name": "20´s kyu",
            "director": {
                "id": 84536,
                "username": "milo622",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/7077830ca37826211efcc990439b3db9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1550.8397903076873,
                        "deviation": 61.85750368021896,
                        "volatility": 0.059947037540241284
                    }
                },
                "ranking": 25.07500585850708,
                "professional": false,
                "ui_class": ""
            },
            "description": "participantes de 26k a 20k por lo tanto se juega enun tablero 13x13",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 283,
                "name": "Colombia",
                "summary": "Bienvenidos",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 150,
                "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 4,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-12-03T15:42:03.904261Z",
            "ended": "2015-01-14T12:02:37.617499Z",
            "start_waiting": "2014-12-03T15:42:03.065691Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 135878,
            "name": "tournament for beginners118",
            "director": {
                "id": 1646800,
                "username": "Art_Go",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d09843def420533835408ba0e61d9430?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1388.2155831565826,
                        "deviation": 61.720186774149184,
                        "volatility": 0.06001150475404504
                    }
                },
                "ranking": 22.5105086987562,
                "professional": false,
                "ui_class": ""
            },
            "description": "25-20 ku",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 172800,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 8910,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-06T11:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-06T11:00:13.064650Z",
            "ended": null,
            "start_waiting": "2026-01-06T11:00:12.977488Z",
            "board_size": 19,
            "active_round": 4,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 26179,
            "name": "Blitz for fun",
            "director": {
                "id": 433332,
                "username": "HikaruIzBack",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/f8f5905cf1f11baefaf6108985afd4ca-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 822.7743318535855,
                        "deviation": 70.73468933931811,
                        "volatility": 0.060029696151245864
                    }
                },
                "ranking": 10.400917622734466,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 30,
                "max_time": 60,
                "time_increment": 10,
                "speed": "live"
            },
            "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": 18023,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-04-09T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-04-19T19:45:18.891882Z",
            "ended": "2017-04-19T19:53:15.120551Z",
            "start_waiting": "2017-04-19T19:45:18.739245Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 3,
            "ranked": true
        }
    ]
}