List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5852
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58838,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5853",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5851",
    "results": [
        {
            "id": 97767,
            "name": "Julko's 11",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 787.1375532532616,
                        "deviation": 67.40246389566151,
                        "volatility": 0.059277604591144055
                    }
                },
                "ranking": 9.375860016290655,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Just for fun go.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 7,
                "name": "Polish Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 454,
                "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-14T05:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-13T21:20:04.817667Z",
            "ended": "2023-03-25T18:21:00.879725Z",
            "start_waiting": "2022-12-13T21:20:04.442452Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 56192,
            "name": "waikeat99",
            "director": {
                "id": 727414,
                "username": "waikeat99",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/67712d1d97b59803baa026bd08471b9b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1553.2718470843174,
                        "deviation": 214.6013067725043,
                        "volatility": 0.06000102556702684
                    }
                },
                "ranking": 25.11128169679937,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "competition",
            "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": 4392,
                "name": "7th World Collegiate WEICHI Championship",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 14,
                "icon": "https://user-uploads.online-go.com/36e789c6de8f374ebca17525ea9d6be7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-02-01T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-02T21:00:05.029092Z",
            "ended": "2020-05-04T01:56:58.487414Z",
            "start_waiting": "2020-02-02T21:00:04.633507Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36e789c6de8f374ebca17525ea9d6be7-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 95078,
            "name": "all box",
            "director": {
                "id": 1111279,
                "username": "alvin124",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/5ebd6fd1cba57ca533d7c9dc75134e4e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1099.6725619868325,
                        "deviation": 64.6186286352423,
                        "volatility": 0.059976043733380446
                    }
                },
                "ranking": 17.116403484247016,
                "professional": false,
                "ui_class": ""
            },
            "description": "all can jion tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26880,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5590,
                "name": "AI Communicate Group",
                "summary": "",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-10-31T08:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-31T08:00:01.380901Z",
            "ended": "2023-03-24T12:26:16.728804Z",
            "start_waiting": "2022-10-31T08:00:01.108452Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 81322,
            "name": "9 by 9 ~ Simultaneous McMahon ~ Open",
            "director": {
                "id": 933436,
                "username": "Bennydigs",
                "country": "in",
                "icon": "https://user-uploads.online-go.com/16840806b909d392a3790d37ae8f2f95-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1404.113490111294,
                        "deviation": 61.40084854645849,
                        "volatility": 0.05995303924154076
                    }
                },
                "ranking": 22.77411697203847,
                "professional": false,
                "ui_class": ""
            },
            "description": "Lets play 9 by 9. Play to learn and have fun. Winning is a bonus.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9503,
                "name": "NineNine",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/41020490227e621ed3eb97ac20582a8a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-28T09:00:00Z",
            "players_start": 15,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-11-03T18:34:24.933852Z",
            "ended": "2023-02-16T13:41:25.043659Z",
            "start_waiting": "2021-11-03T18:34:23.843449Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/41020490227e621ed3eb97ac20582a8a-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 97687,
            "name": "Santa Claus Battle 2023",
            "director": {
                "id": 1051076,
                "username": "Qwentum",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/ec85d2c66ad78a73ad60a339509b683b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1666.9850527582553,
                        "deviation": 68.21639202911662,
                        "volatility": 0.05969688678386694
                    }
                },
                "ranking": 26.746900080081467,
                "professional": false,
                "ui_class": ""
            },
            "description": "\"Santa Claus Battle 2023\" is a continuation-a new series of tournaments of Great Battles. The first was a grand battle called \"Battle of Santa Claus 2022\". \nThe slogan of the tournament is \"WHO IS THE BEST SANTA HERE\".",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": false,
            "group": {
                "id": 10103,
                "name": "World battles",
                "summary": "World tournament s",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 48,
                "icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-25T19:00:00Z",
            "players_start": 20,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-10T19:33:24.163327Z",
            "ended": "2024-09-06T02:16:19.890313Z",
            "start_waiting": "2022-12-10T19:32:54.206885Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-15.png",
            "player_count": 148,
            "ranked": true
        },
        {
            "id": 56996,
            "name": "................",
            "director": {
                "id": 734675,
                "username": "实习生--CXK",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/f8e0383096e0b3b1b5c0f9a1cbedc8b6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1854.0260417624854,
                        "deviation": 66.69309665006827,
                        "volatility": 0.059982202968865306
                    }
                },
                "ranking": 29.20873766240711,
                "professional": false,
                "ui_class": ""
            },
            "description": ".......................................................................................................................................................................................................................................................................................................................................................................................................",
            "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": 4469,
                "name": "冲5......",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "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": "2020-02-28T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-06T03:11:02.990418Z",
            "ended": "2020-04-28T07:47:13.081470Z",
            "start_waiting": "2020-03-06T03:11:02.381534Z",
            "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": 59567,
            "name": "Through the Years: Long Correspondence",
            "director": {
                "id": 308797,
                "username": "Lys",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/5ccab3d1d5a7f9e6ecef1437a840a10d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1456.1557635935853,
                        "deviation": 63.05059622348654,
                        "volatility": 0.05977687161154345
                    }
                },
                "ranking": 23.61663318260133,
                "professional": false,
                "ui_class": ""
            },
            "description": "The purpose of the tournament is playing long correspondence games that would allow us to bond with each other over the span of many years\n\nTime settings allow lengthy games, hopefully giving enough time to not accidentally time out\n\nTournament settings are similar to OGS Title Tournaments\n\n<a href=\"https://forums.online-go.com/t/through-the-years-long-correspondence/28068\">Discussion thread on forums</a>",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5404,
                "name": "Through the Years: Long Correspondence (Group)",
                "summary": "Group dedicated to long correspondence tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 210,
                "icon": "https://user-uploads.online-go.com/2d35fbbad52e338c0715924db56c4b00-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-30T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-30T21:08:50.591844Z",
            "ended": null,
            "start_waiting": "2020-06-30T21:00:49.696042Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/2d35fbbad52e338c0715924db56c4b00-15.png",
            "player_count": 2233,
            "ranked": true
        },
        {
            "id": 58949,
            "name": "Shangshang",
            "director": {
                "id": 759707,
                "username": "Shuangshuang",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/753a4336f108b6e98c6f0cd461ba3879?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 934.2428568689552,
                        "deviation": 151.9682010436917,
                        "volatility": 0.06000157746780299
                    }
                },
                "ranking": 13.342228401670216,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play with Members",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4767,
                "name": "WeiqiMath",
                "summary": "Math rule is invented to replicate the original go rule. The score is the number of stones surviving on the board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 83,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-13T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-14T23:40:42.613692Z",
            "ended": "2020-04-16T23:40:42.966626Z",
            "start_waiting": "2020-04-14T23:40:42.383003Z",
            "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": 51730,
            "name": "13x13 D.E. (Chinese Rules)",
            "director": {
                "id": 637869,
                "username": "Robert.Jasiek.Rules.Master",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/404bee731ca9a372d41def91e449b98e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "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": "chinese",
            "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": true,
            "time_start": "2019-10-01T01:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-10-01T01:01:09.379555Z",
            "ended": "2020-03-23T07:57:07.044820Z",
            "start_waiting": "2019-10-01T01:01:07.483422Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 66190,
            "name": "ბლიცი 5 ტური",
            "director": {
                "id": 21742,
                "username": "დათო",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2188.217274395995,
                        "deviation": 97.40479902700517,
                        "volatility": 0.06013689069472163
                    }
                },
                "ranking": 33.04533320130458,
                "professional": false,
                "ui_class": ""
            },
            "description": "ბლიცი 5 ტური",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 3,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "blitz",
                "pause_on_weekends": false,
                "time_increment": 2,
                "initial_time": 150,
                "max_time": 150
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 262,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-03T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-03T18:00:38.820301Z",
            "ended": "2020-10-03T18:32:40.207210Z",
            "start_waiting": "2020-10-03T18:00:38.520083Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 6,
            "ranked": true
        }
    ]
}