List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5287
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60111,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5288",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5286",
    "results": [
        {
            "id": 22399,
            "name": "ninavip",
            "director": {
                "id": 342315,
                "username": "роман.го",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/0c010f0135c7770fc7382331b900d9d6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1079.2951898791944,
                        "deviation": 64.98552674156217,
                        "volatility": 0.0600236071408643
                    }
                },
                "ranking": 16.683400364467186,
                "professional": false,
                "ui_class": ""
            },
            "description": "igo game",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 5,
                "main_time": 3600,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1292,
                "name": "i go game",
                "summary": "игра и го",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-11-21T17:26:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2016-11-21T17:26:27.402691Z",
            "ended": "2016-11-21T17:53:57.905396Z",
            "start_waiting": "2016-11-21T17:26:27.223174Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 55765,
            "name": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1224.6277064583512,
                        "deviation": 63.11354021176334,
                        "volatility": 0.05957460229763895
                    }
                },
                "ranking": 19.607908810488993,
                "professional": false,
                "ui_class": ""
            },
            "description": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2287,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-01-24T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-01-22T03:17:09.417410Z",
            "ended": "2020-04-11T15:40:42.877904Z",
            "start_waiting": "2020-01-22T03:17:04.291756Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 117279,
            "name": "Handicap tournament",
            "director": {
                "id": 380817,
                "username": "look info döskee",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1001.1282744304297,
                        "deviation": 68.63680878166396,
                        "volatility": 0.058646562422007574
                    }
                },
                "ranking": 14.942969758566955,
                "professional": false,
                "ui_class": ""
            },
            "description": "Handicap tournament, chinese rules",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 261935,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 345600,
                "period_time": 259200,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1790,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-06-22T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-06-22T19:00:49.502060Z",
            "ended": "2025-08-02T08:26:49.274708Z",
            "start_waiting": "2024-06-22T19:00:49.204928Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 27384,
            "name": "τετρακόρυμβος greetings!Tournament",
            "director": {
                "id": 442364,
                "username": "acount4103",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/662b5af3b03717f0ec843dcdaa72211f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1716.8733327156694,
                        "deviation": 63.24289762535955,
                        "volatility": 0.0601474446501545
                    }
                },
                "ranking": 27.429551205730498,
                "professional": false,
                "ui_class": ""
            },
            "description": "Don't have a clue what to say. So have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 8915,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-05-23T20:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 8,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-24T18:52:39.445981Z",
            "ended": "2017-07-03T19:45:05.267979Z",
            "start_waiting": "2017-05-24T18:52:39.270926Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 38689,
            "name": "Tournament 46",
            "director": {
                "id": 12573,
                "username": "Misawa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 977.5796256115817,
                        "deviation": 69.02183474866371,
                        "volatility": 0.05986671976150141
                    }
                },
                "ranking": 14.391926363316212,
                "professional": false,
                "ui_class": ""
            },
            "description": "It's the middle of the year! Hard to believe it. Let's celebrate by starting another Go tournament. I have so many games right now - we'll keep this simple - one game at a time. Elimination time!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 432000,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 593,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-07-15T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 10,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-07-15T06:00:17.753332Z",
            "ended": "2021-08-14T08:14:11.635983Z",
            "start_waiting": "2018-07-15T06:00:13.333950Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 43,
            "ranked": true
        },
        {
            "id": 69280,
            "name": "크크루 삥뽕vs 김재헌 바둑쓰",
            "director": {
                "id": 901428,
                "username": "크크루삥뽕",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c760cf33b56e92f20803946172f65862?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "ㄹ다들어와",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 306,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7724,
                "name": "김재헌 바둑쓰 들어와",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-23T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-23T13:28:28.417901Z",
            "ended": "2020-12-23T15:02:04.297716Z",
            "start_waiting": "2020-12-23T13:28:28.270123Z",
            "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": 5542,
            "name": "Чемпионат Русской Группы OGS 2015",
            "director": {
                "id": 135535,
                "username": "DarkSpirit",
                "country": "_CIS",
                "icon": "https://user-uploads.online-go.com/3ff0cbeb74378914ca08a8ab7741274f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1368.452026020624,
                        "deviation": 62.29275318546769,
                        "volatility": 0.05999468544710196
                    }
                },
                "ranking": 22.178561397357377,
                "professional": false,
                "ui_class": ""
            },
            "description": "Не перевелись ли еще на Руси?)))",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9,
                "name": "Русская группа",
                "summary": "Интересные, призовые турниры.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1961,
                "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-04-21T15:00:00Z",
            "players_start": 20,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 34,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2015-06-29T18:12:30.266784Z",
            "ended": "2016-08-29T17:38:32.186843Z",
            "start_waiting": "2015-06-29T18:12:29.980326Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png",
            "player_count": 19,
            "ranked": true
        },
        {
            "id": 126958,
            "name": "CHEERFUL GO #90 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1980.3414282259255,
                        "deviation": 69.69626456146821,
                        "volatility": 0.05980615642347034
                    }
                },
                "ranking": 30.734548491478442,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 75,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-03T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-03T04:00:13.478985Z",
            "ended": "2025-08-16T15:08:08.157473Z",
            "start_waiting": "2025-04-03T04:00:13.371138Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 129930,
            "name": "CHEERFUL GO #98 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1980.3414282259255,
                        "deviation": 69.69626456146821,
                        "volatility": 0.05980615642347034
                    }
                },
                "ranking": 30.734548491478442,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 75,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-10T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-10T04:01:01.733983Z",
            "ended": "2025-10-16T09:10:46.579602Z",
            "start_waiting": "2025-07-10T04:01:01.288115Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 120200,
            "name": "HAPPY GO #83 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1980.3414282259255,
                        "deviation": 69.69626456146821,
                        "volatility": 0.05980615642347034
                    }
                },
                "ranking": 30.734548491478442,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 75,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-09-22T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-22T04:00:56.962410Z",
            "ended": "2024-11-20T15:55:35.752740Z",
            "start_waiting": "2024-09-22T04:00:56.877719Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}