List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=399
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58999,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=400",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=398",
    "results": [
        {
            "id": 78645,
            "name": "🔪🔪🍣 Slaughter Championship 2021 🥩🔪🔪",
            "director": {
                "id": 427962,
                "username": "Zitouna",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/be09b48ffd2b3ad0748bb28c0e3368a1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1302.5396094815028,
                        "deviation": 63.97245577767052,
                        "volatility": 0.06033319629625766
                    }
                },
                "ranking": 21.03577811939048,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome to the Championship.\n\nHave fun dear GO player.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2967,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-22T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-22T16:00:15.180564Z",
            "ended": "2022-05-09T08:19:57.962742Z",
            "start_waiting": "2021-08-22T16:00:14.373440Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 35,
            "ranked": true
        },
        {
            "id": 117226,
            "name": "Speed chess tourney warm up",
            "director": {
                "id": 1345524,
                "username": "RYDE",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/a930974d00e101f87e3c8f7df176e571?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1398.6897678611665,
                        "deviation": 63.15650273391108,
                        "volatility": 0.06005975382915719
                    }
                },
                "ranking": 22.684521438382564,
                "professional": false,
                "ui_class": ""
            },
            "description": "Simulation for speed chess",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 14,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13134,
                "name": "SPMS Weiqi AY24/25",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 34,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-06-18T11:45:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-06-18T11:44:10.775066Z",
            "ended": "2024-06-18T13:21:16.321245Z",
            "start_waiting": "2024-06-18T11:44:10.526358Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 56710,
            "name": "9x9 D.E. (New Zealand Rules)",
            "director": {
                "id": 582354,
                "username": "GlacialNoivern",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/bae7db25edc19db310969d9c23831e70-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1538.257364713131,
                        "deviation": 65.55077561199136,
                        "volatility": 0.06026203340214659
                    }
                },
                "ranking": 24.886416928616224,
                "professional": false,
                "ui_class": ""
            },
            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n \n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n \n☆ Does NOT pause on the weekend.\n \n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.<BR><BR>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 592,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-02-23T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-24T10:59:51.278418Z",
            "ended": "2020-03-06T22:45:46.516876Z",
            "start_waiting": "2020-02-24T10:59:50.815141Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 99128,
            "name": "trews",
            "director": {
                "id": 1262572,
                "username": "coati",
                "country": "002",
                "icon": "https://secure.gravatar.com/avatar/150aaa6db5004e4c7c20fe97e9d12bc4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1123.2639070297118,
                        "deviation": 65.96186734802812,
                        "volatility": 0.060044161730389456
                    }
                },
                "ranking": 17.607789675901138,
                "professional": false,
                "ui_class": ""
            },
            "description": "dwecd",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11035,
                "name": "Pokémon",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-19T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-25T15:12:36.308246Z",
            "ended": "2024-02-01T16:45:35.566704Z",
            "start_waiting": "2023-10-25T15:12:36.040897Z",
            "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": 84927,
            "name": "Воскресенье 16 января",
            "director": {
                "id": 659128,
                "username": "Эльфия Ходжер",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1088.5816631229495,
                        "deviation": 67.79168480487998,
                        "volatility": 0.060132267783685814
                    }
                },
                "ranking": 16.881735588417715,
                "professional": false,
                "ui_class": ""
            },
            "description": "=) сегодня тут",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10058,
                "name": "НижнеАмурское Го))",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/f6d77b6e44db9494f44346d769972596-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-16T05:15:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-01-16T05:15:45.829472Z",
            "ended": "2022-01-16T07:12:17.385877Z",
            "start_waiting": "2022-01-16T05:15:45.750504Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f6d77b6e44db9494f44346d769972596-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 97284,
            "name": "Decembre",
            "director": {
                "id": 874275,
                "username": "Rakoon",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/f1a56afe790bcae30cd80b50c834c202-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1224.6456368306337,
                        "deviation": 63.654236027219305,
                        "volatility": 0.05996290442138016
                    }
                },
                "ranking": 19.60824775846267,
                "professional": false,
                "ui_class": ""
            },
            "description": "Test de tournoi, juste pour le plaisir. :)",
            "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": 4702,
                "name": "Nantes Yosakura",
                "summary": "Groupe OGS du club Nantes Yosakura.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-01T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-01T21:00:47.429745Z",
            "ended": "2023-03-10T04:28:59.595699Z",
            "start_waiting": "2022-12-01T21:00:47.238222Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 86301,
            "name": "19-2 1 -> 周家峻 2 -> 鄒綽廉",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "19-2 1 -> 周家峻 2 -> 鄒綽廉",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 20,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7533,
                "name": "傳碁 A班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 36,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-02-19T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-02-19T10:12:50.264720Z",
            "ended": "2022-02-19T10:53:45.026566Z",
            "start_waiting": "2022-02-19T10:12:50.214626Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 56915,
            "name": "korea go",
            "director": {
                "id": 727930,
                "username": "09sai",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/4aeeade9671720a17dee9f10076efd64-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1888.4807111427333,
                        "deviation": 74.97761981725517,
                        "volatility": 0.06005050216536164
                    }
                },
                "ranking": 29.635001759980607,
                "professional": false,
                "ui_class": ""
            },
            "description": "korea go",
            "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": 4424,
                "name": "KOREA GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-02-25T10:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-26T04:28:40.375560Z",
            "ended": "2020-03-03T01:50:25.177008Z",
            "start_waiting": "2020-02-26T04:28:40.167678Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 126737,
            "name": "N y h",
            "director": {
                "id": 845981,
                "username": "Nahuelaun",
                "country": "uy",
                "icon": "https://user-uploads.online-go.com/d612c0f7013f45d428185141cab0de27-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 943.4304295814525,
                        "deviation": 65.24766615090725,
                        "volatility": 0.061783892130680376
                    }
                },
                "ranking": 13.568779002655205,
                "professional": false,
                "ui_class": ""
            },
            "description": "@xzsdfffffffffffff",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8883,
                "name": "WSOIHHNNININ",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 5,
                "icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-23T22:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-23T22:00:17.663032Z",
            "ended": "2025-03-23T22:15:22.160990Z",
            "start_waiting": "2025-03-23T22:00:17.612028Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 96485,
            "name": "MHS - Monthly Go Tournament - 1",
            "director": {
                "id": 862441,
                "username": "kkll2010",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/59e3c435676eaecbe09657a3b5a14101-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1486.0795536676756,
                        "deviation": 62.75130891032089,
                        "volatility": 0.060082641440334934
                    }
                },
                "ranking": 24.08754019850525,
                "professional": false,
                "ui_class": ""
            },
            "description": "kkll2010 vs insanegameingonyt\n(MHS ranked)",
            "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": 12458,
                "name": "Gamer Clan",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/bc7181bcd3b774fc6aa4ee32f331a99e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-11-06T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-11-06T18:00:26.104028Z",
            "ended": "2022-11-10T03:55:40.148987Z",
            "start_waiting": "2022-11-06T18:00:26.021964Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bc7181bcd3b774fc6aa4ee32f331a99e-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}