List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5477
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59380,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5478",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5476",
    "results": [
        {
            "id": 125562,
            "name": "Go tu",
            "director": {
                "id": 1641686,
                "username": "kracker_nri",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/e8265580b5b0dc5d6a5d7b4b2abb2a33-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 659.0914913534307,
                        "deviation": 65.82440074520355,
                        "volatility": 0.060108918637956324
                    }
                },
                "ranking": 5.265793819879597,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi its fun",
            "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",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17903,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-19T13:05:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-19T13:05:26.160805Z",
            "ended": "2025-03-04T09:33:35.371372Z",
            "start_waiting": "2025-02-19T13:05:25.816493Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 89391,
            "name": "30/4 鄧宏諾\t覃晉謙",
            "director": {
                "id": 729080,
                "username": "樂 碁",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1376.5461424853938,
                        "deviation": 260.4210499451175,
                        "volatility": 0.059998813696822535
                    }
                },
                "ranking": 22.315085597176374,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "鄧宏諾\t覃晉謙",
            "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": "2022-04-30T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-30T10:10:58.428776Z",
            "ended": "2022-04-30T11:09:01.688777Z",
            "start_waiting": "2022-04-30T10:10:58.358424Z",
            "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": 89370,
            "name": "1 -> 陳卓禮 2 -> 胡煜湶",
            "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": "1 -> 陳卓禮\n2 -> 胡煜湶",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7530,
                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-04-30T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-30T02:45:55.361910Z",
            "ended": "2022-04-30T03:12:41.534614Z",
            "start_waiting": "2022-04-30T02:45:55.281879Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 59942,
            "name": "May 1st class",
            "director": {
                "id": 751261,
                "username": "stone_clearview",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1f205580d015f22eb043c1adc4a96ed4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1637.3064287948112,
                        "deviation": 86.10308706968758,
                        "volatility": 0.05999506067863534
                    }
                },
                "ranking": 26.331029612642748,
                "professional": false,
                "ui_class": ""
            },
            "description": "May 1st class",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5423,
                "name": "ClearView 2",
                "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": "2020-05-01T19:46:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-01T19:46:39.295829Z",
            "ended": "2020-05-13T14:26:46.457298Z",
            "start_waiting": "2020-05-01T19:46:38.893708Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 27327,
            "name": "moroccan group creation ceremony x)",
            "director": {
                "id": 235486,
                "username": "midoxB",
                "country": "ma",
                "icon": "https://user-uploads.online-go.com/2432b6bfd84860128af6c0b8710abb61-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1318.0505221718197,
                        "deviation": 62.98558308687947,
                        "volatility": 0.06016553451002555
                    }
                },
                "ranking": 21.309824653957353,
                "professional": false,
                "ui_class": ""
            },
            "description": "pour essayer de commencer les activité du groupe :)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 966,
                "name": "moroccan go group",
                "summary": "mer7ba :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 42,
                "icon": "https://user-uploads.online-go.com/7aebbabcb80103f91fa7825e546556f9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-05-22T00:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-22T12:30:54.626057Z",
            "ended": "2017-05-22T15:00:55.855934Z",
            "start_waiting": "2017-05-22T12:30:54.489561Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7aebbabcb80103f91fa7825e546556f9-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 99226,
            "name": "Max and Egor",
            "director": {
                "id": 1274190,
                "username": "Gosha_pro",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/14d63eab9356610cef062d1ad932bbf9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Max and Egor",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12787,
                "name": "Gosha.pro",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 52,
                "icon": "https://user-uploads.online-go.com/14d63eab9356610cef062d1ad932bbf9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-22T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2023-01-22T06:09:56.151457Z",
            "ended": "2023-01-22T06:10:44.187441Z",
            "start_waiting": "2023-01-22T06:09:56.083185Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/14d63eab9356610cef062d1ad932bbf9-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 69040,
            "name": "Pro Go Group Casual Correspondence Tournament",
            "director": {
                "id": 739721,
                "username": "Half is less than 1",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/1c3137972e8717a13013300c1d13bd84-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1870.737882413323,
                        "deviation": 61.88050300091023,
                        "volatility": 0.0603033861717375
                    }
                },
                "ranking": 29.416472549759078,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is a casual correspondence tournament.",
            "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": 7327,
                "name": "Pro go group!",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-12-17T01:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-17T02:44:36.215723Z",
            "ended": "2020-12-19T01:45:24.961488Z",
            "start_waiting": "2020-12-17T02:44:36.071778Z",
            "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": 89284,
            "name": "For Fun",
            "director": {
                "id": 1084605,
                "username": "sedlt",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/1706fbae0dce1314a6006bad8e8e7485-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 764.988129572982,
                        "deviation": 78.00584109105114,
                        "volatility": 0.060011031706527294
                    }
                },
                "ranking": 8.71509655511107,
                "professional": false,
                "ui_class": ""
            },
            "description": "A match just for fun",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 175680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 172800,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11458,
                "name": "Best Friends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 22,
                "icon": "https://user-uploads.online-go.com/2b1f18c7e54d6f3c8170051050e45c7a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-09T01:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-05-07T09:43:42.323542Z",
            "ended": "2023-01-22T10:00:13.393354Z",
            "start_waiting": "2022-05-07T09:43:41.969534Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2b1f18c7e54d6f3c8170051050e45c7a-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 98194,
            "name": "999haha",
            "director": {
                "id": 1215371,
                "username": "Ashy Mashy",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/f0c29e5bcdb7331c7414a06f6ca1e501-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1209.3643114801016,
                        "deviation": 61.30909025128616,
                        "volatility": 0.059982715870546106
                    }
                },
                "ranking": 19.317560918631496,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hhha9w",
            "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": 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": 2971,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-24T08:20:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-24T08:20:15.655779Z",
            "ended": "2022-12-24T08:22:01.828846Z",
            "start_waiting": "2022-12-24T08:20:15.546026Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 89985,
            "name": "1 -> 梁諾琛 2 -> 馬彥彬",
            "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": "1 -> 梁諾琛\n2 -> 馬彥彬",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-05-14T05:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-05-14T05:01:51.652930Z",
            "ended": "2022-05-14T05:40:16.228644Z",
            "start_waiting": "2022-05-14T05:01:51.575010Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}