List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-id&page=3360
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 61023,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-id&page=3361",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-id&page=3359",
    "results": [
        {
            "id": 67076,
            "name": "THE OFFICIAL TOURNAMENT",
            "director": {
                "id": 835159,
                "username": "Pulak Agarwalla",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ba95358353c033361d431a98a6d3852d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1121.4535995352353,
                        "deviation": 78.74735541402917,
                        "volatility": 0.06001749987382639
                    }
                },
                "ranking": 17.570449897100133,
                "professional": false,
                "ui_class": ""
            },
            "description": "HELLO",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 60,
                "max_time": 120
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6721,
                "name": "Mr. Erb's Math Class",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-26T13:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-26T13:30:44.593166Z",
            "ended": "2020-10-26T14:14:03.465928Z",
            "start_waiting": "2020-10-26T13:30:44.201144Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 67074,
            "name": "mamamiya",
            "director": {
                "id": 863066,
                "username": "1dc8bab0c6094437",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1f7792c16824b3737a4ff62de88d633d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500.0,
                        "deviation": 350.0,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "come come",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7153,
                "name": "jacooooooob",
                "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": "2020-10-26T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-27T18:13:58.973153Z",
            "ended": "2020-12-20T15:25:05.675750Z",
            "start_waiting": "2020-10-27T18:13:58.746221Z",
            "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": 67070,
            "name": "Blitz 19x19 Elimination Tournament 2020-10-26 09:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260914T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-09-14T01:00:36.453150Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-09-14T05:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-10-26T09:30:34.886100Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-26T09:31:34.278818Z",
            "ended": "2020-10-26T09:50:52.365121Z",
            "start_waiting": "2020-10-26T09:31:34.058216Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 67069,
            "name": "chibatestmini",
            "director": {
                "id": 860122,
                "username": "go-lecture",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/06738174368d96b4357840858c0b06ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1436.329305227951,
                        "deviation": 230.89152329372905,
                        "volatility": 0.059999336351304756
                    }
                },
                "ranking": 23.29926615135174,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "chibatestmini",
            "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",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7103,
                "name": "中級 2020chiba test",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 0,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-26T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-26T08:34:41.888957Z",
            "ended": "2020-10-30T08:36:10.396751Z",
            "start_waiting": "2020-10-26T08:34:41.453344Z",
            "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": 67068,
            "name": "chibatest",
            "director": {
                "id": 860122,
                "username": "go-lecture",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/06738174368d96b4357840858c0b06ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1436.329305227951,
                        "deviation": 230.89152329372905,
                        "volatility": 0.059999336351304756
                    }
                },
                "ranking": 23.29926615135174,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "chibatest",
            "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",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7103,
                "name": "中級 2020chiba test",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 0,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-26T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-26T09:00:34.840951Z",
            "ended": "2020-11-04T00:37:34.358496Z",
            "start_waiting": "2020-10-26T09:00:32.487625Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 67060,
            "name": "สาระRails361! Tour ครั้งที่ 29",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1509.9281578536597,
                        "deviation": 64.32309863587987,
                        "volatility": 0.059492626897775285
                    }
                },
                "ranking": 24.45610189889398,
                "professional": false,
                "ui_class": ""
            },
            "description": "#RESPECT\n\nOnly a few close friends were invited.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 12,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-13T03:00:53.325490Z",
            "ended": "2020-12-18T03:37:28.637475Z",
            "start_waiting": "2020-11-13T03:00:51.683192Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 67056,
            "name": "Fast Correspondence 2020-10-31",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.8341986334494,
                        "deviation": 62.44546334826878,
                        "volatility": 0.05974674944331501
                    }
                },
                "ranking": 25.43043733747297,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "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": 833,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-31T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-31T00:00:21.623856Z",
            "ended": "2021-01-12T15:36:50.931945Z",
            "start_waiting": "2020-10-31T00:00:19.783292Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 67054,
            "name": "Live 9x9 Double Elimination Tournament 2020-10-25 22:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260914T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-09-14T02:00:36.460157Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-09-14T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-10-25T22:30:02.980353Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-25T22:30:04.487287Z",
            "ended": "2020-10-25T22:57:08.314637Z",
            "start_waiting": "2020-10-25T22:30:04.134191Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 67053,
            "name": "Tournament 65",
            "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": "A crazy day to start a tournament - so why not. If you are in the US - you better have voted!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 432000
            },
            "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": 595,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-04T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 13,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-11-04T02:00:39.266576Z",
            "ended": "2021-12-17T20:27:49.064566Z",
            "start_waiting": "2020-11-04T02:00:36.011116Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 67050,
            "name": "Tournoi des Jeunes Lions / Jonge Leuwen Toernooi",
            "director": {
                "id": 522547,
                "username": "Gnxmeh",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/7754104064afb8a23cfa10723854602a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1708.0873752260813,
                        "deviation": 85.68435463718828,
                        "volatility": 0.05998953992688673
                    }
                },
                "ranking": 27.310778828827498,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 rapid\npour jeunes/voor jonge\n4 rondes/ronden, 10:00-11:30",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 900,
                "max_time": 900
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 459,
                "name": "Belgian Go Federation",
                "summary": "Room of the Belgian Go Federation",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 182,
                "icon": "https://user-uploads.online-go.com/1f6969c738ccf007912cbdf623b1cb90-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-01T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-01T09:00:44.555868Z",
            "ended": "2020-11-01T10:11:12.937025Z",
            "start_waiting": "2020-11-01T09:00:44.209080Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1f6969c738ccf007912cbdf623b1cb90-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}