List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4788
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59324,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4789",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4787",
    "results": [
        {
            "id": 53213,
            "name": "1ST 9x9 ROLAND GORROS: TABLE A",
            "director": {
                "id": 48251,
                "username": "Mitsunari",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1584.7412279865507,
                        "deviation": 64.42988204036969,
                        "volatility": 0.06031357205398458
                    }
                },
                "ranking": 25.575614109784766,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello,<p>\nThis is the table A of the 1st 9x9 Roland GOrros.\nThis table is a single elimination tournament. The winner will be qualified to the final table (single elimination too).<p>\nEnjoy :)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 59520,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 57600,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 526,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-31T21:00:00Z",
            "players_start": 32,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-03T04:48:08.891610Z",
            "ended": "2020-10-01T05:47:45.608683Z",
            "start_waiting": "2020-06-03T04:48:07.363625Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 65295,
            "name": "Shogi 将棋 9x9 XX",
            "director": {
                "id": 697149,
                "username": "deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17",
                "country": "se",
                "icon": "https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1665.2715388700315,
                        "deviation": 71.21323820073493,
                        "volatility": 0.0598806998975717
                    }
                },
                "ranking": 26.723091679426847,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 935,
                "name": "Shogi 81Dojo",
                "summary": "Group for Shogi players on 81Dojo",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-25T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-09-25T16:00:23.240693Z",
            "ended": "2020-11-14T18:01:52.939800Z",
            "start_waiting": "2020-09-25T16:00:22.508960Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 65480,
            "name": "Grupo A Ronda 1",
            "director": {
                "id": 58535,
                "username": "blaumag",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/b9111f93173ba3f8763596a345d7e40e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.4078798746825,
                        "deviation": 341.6984305472543,
                        "volatility": 0.05999984344025184
                    }
                },
                "ranking": 24.170395885469745,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Grupo A Ronda 1",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6840,
                "name": "CURSO UNR JULIO 2022",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-15T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-09-15T08:00:34.630022Z",
            "ended": "2020-09-15T08:14:06.834140Z",
            "start_waiting": "2020-09-15T08:00:34.432011Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 66726,
            "name": "BLAHHELLO",
            "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": "BLAHHELLO",
            "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": 30,
                "max_time": 60
            },
            "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": "2020-10-16T13:41:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-16T13:41:19.068043Z",
            "ended": "2020-10-16T13:59:44.858547Z",
            "start_waiting": "2020-10-16T13:41:18.772387Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 64937,
            "name": "small tournament #2",
            "director": {
                "id": 736023,
                "username": "2026vs.",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.4955917779457,
                        "deviation": 63.196335111054026,
                        "volatility": 0.060307009572073786
                    }
                },
                "ranking": 24.754179686665076,
                "professional": false,
                "ui_class": ""
            },
            "description": "small and fast",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 194,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-05T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-02T02:27:56.026065Z",
            "ended": "2020-10-27T04:51:37.213525Z",
            "start_waiting": "2020-09-02T02:27:55.728285Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 64935,
            "name": "Play with bot 16 19x19",
            "director": {
                "id": 798997,
                "username": "noob_bot",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/c0482108c2d871387c75860f532c7f8c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1535.0124232797054,
                        "deviation": 58.78153779280172,
                        "volatility": 0.05548248745379214
                    }
                },
                "ranking": 24.837530610602073,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Fast correspondence tournament, human/bot are welcome.\n\nGame result is NOT important.\n\nThis is running for debug & test.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 885,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-02T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-02T10:00:13.220250Z",
            "ended": "2020-09-04T23:22:49.428813Z",
            "start_waiting": "2020-09-02T10:00:12.938228Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 65489,
            "name": "Weekly 19x19 Games 2020-09-16",
            "director": {
                "id": 741522,
                "username": "wolfmeister",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1209.6169056480942,
                        "deviation": 65.52079638031556,
                        "volatility": 0.06013235595814508
                    }
                },
                "ranking": 19.32239564406787,
                "professional": false,
                "ui_class": ""
            },
            "description": "%%%%%%%%%%%%%%%%%%%%%%%%\n\n!!!LIVE GAME APPOINTMENTS ARE NOT SCHEDULED AUTOMATICALLY!!!\n\nONCE TOURNAMENT STARTS:\n\nCOME BACK HERE TO FIND YOUR ASSIGNED OPPONENT ARRANGE A >30min VIDEO CONFERENCE WITH YOUR OPPONENT FINISH YOUR GAME WITHIN ONE WEEK, TO PREVENT BLOCKING THE TOURNAMENT. EACH MONDAY, SCHEDULE YOUR NEXT MATCH VIDEO CONFERENCE. %%%%%%%%%%%%%%%%%%%%%%%%",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 6720,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6518,
                "name": "Madison Google Go",
                "summary": "Nominally a social league for the MSN site, but friendly, casual players from other sites welcome.  Make sure to join the Hangouts room, go-msn@ group for announcements!  Please send an *INTERNAL* email to the organizers to join.  We don't always notice OG",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-16T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-16T15:00:57.755129Z",
            "ended": "2020-10-09T18:27:14.985764Z",
            "start_waiting": "2020-09-16T15:00:57.254008Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 65466,
            "name": "한국인만 오삼요",
            "director": {
                "id": 831306,
                "username": "상어고양이 아빠",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/db60d9f14079d08540de384240548fd3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1379.3147955484346,
                        "deviation": 65.91437466412411,
                        "volatility": 0.060013537153480276
                    }
                },
                "ranking": 22.361600527656655,
                "professional": false,
                "ui_class": ""
            },
            "description": "한국인만 와라",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6774,
                "name": "😀Korea Go한국바둑😀",
                "summary": "많이 가입해주세요. 한국분 환영",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 224,
                "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-15T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-15T16:54:59.328410Z",
            "ended": "2020-09-21T04:06:20.584900Z",
            "start_waiting": "2020-09-15T16:54:59.107559Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 67307,
            "name": "Sunday 9x9 tournament",
            "director": {
                "id": 56637,
                "username": "milanm",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1674.4012321116072,
                        "deviation": 67.27535794501007,
                        "volatility": 0.05991125824851243
                    }
                },
                "ranking": 26.849662717686456,
                "professional": false,
                "ui_class": "aga"
            },
            "description": "weekly 9x9 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 240
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5803,
                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-01T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-11-01T17:58:34.570633Z",
            "ended": "2020-11-01T18:30:09.612943Z",
            "start_waiting": "2020-11-01T17:58:34.055095Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 62112,
            "name": "Manchester Go Club - Correspondence 19x19 Tournament #1",
            "director": {
                "id": 206311,
                "username": "taiyaki 鯛焼き",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/bf298249efe61246416591f25414b80c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1867.1000057404892,
                        "deviation": 65.45025222666547,
                        "volatility": 0.060005676838603444
                    }
                },
                "ranking": 29.37141073911507,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Welcome to the 1st Manchester Go Club Correspondence 19x19 Tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4609,
                "name": "Manchester Go Club",
                "summary": "A group for players living in or connected to Manchester, UK. Go friends from around the world are also welcome to join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 103,
                "icon": "https://user-uploads.online-go.com/765ff76c1663dd5f81156a7cd3befddd-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-28T19:15:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-06-28T19:15:42.177407Z",
            "ended": "2020-09-15T20:03:55.468820Z",
            "start_waiting": "2020-06-28T19:15:40.624997Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/765ff76c1663dd5f81156a7cd3befddd-15.png",
            "player_count": 28,
            "ranked": true
        }
    ]
}