List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5857
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59420,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5858",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5856",
    "results": [
        {
            "id": 59,
            "name": "willbrooks's longer limits mini-tournament",
            "director": {
                "id": 2170,
                "username": "willbrooks",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/14896bb6b4a52f51f585ec18237aa999?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2323.255877590551,
                        "deviation": 66.46617701953997,
                        "volatility": 0.0599904181586108
                    }
                },
                "ranking": 34.4316111081455,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 24,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2006-02-04T14:22:00Z",
            "ended": "2006-12-12T22:15:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 101166,
            "name": "CHEERFUL GO #4 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1881.7451606521095,
                        "deviation": 70.36326302169147,
                        "volatility": 0.059833569437341395
                    }
                },
                "ranking": 29.55228620656377,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "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": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-23T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-23T04:00:52.566886Z",
            "ended": "2023-05-01T23:05:44.704038Z",
            "start_waiting": "2023-03-23T04:00:52.454230Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 58239,
            "name": "ქართველების ტურნირი",
            "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": "ორ წაგებაზე გავარდნა",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 60,
                "periods": 5
            },
            "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": 266,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-30T18:30:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-30T18:30:07.129719Z",
            "ended": "2020-03-30T18:33:11.876803Z",
            "start_waiting": "2020-03-30T18:30:06.593860Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 109862,
            "name": "HAPPY GO #48 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1881.7451606521095,
                        "deviation": 70.36326302169147,
                        "volatility": 0.059833569437341395
                    }
                },
                "ranking": 29.55228620656377,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-11-26T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 33,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-11-26T04:00:53.863698Z",
            "ended": "2024-02-28T03:30:22.812069Z",
            "start_waiting": "2023-11-26T04:00:53.754299Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 100767,
            "name": "HAPPY GO #13 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1881.7451606521095,
                        "deviation": 70.36326302169147,
                        "volatility": 0.059833569437341395
                    }
                },
                "ranking": 29.55228620656377,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "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": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-12T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-12T04:00:57.813937Z",
            "ended": "2023-06-29T07:58:44.562571Z",
            "start_waiting": "2023-03-12T04:00:57.580431Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 101043,
            "name": "LIHKG League S Season 2",
            "director": {
                "id": 872222,
                "username": "daromorado",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/36300931508b43b32974d72afe3dc031?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1675.5395620560425,
                        "deviation": 65.11721860639604,
                        "volatility": 0.06001471978762867
                    }
                },
                "ranking": 26.865395735579696,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "LIHKG League S Season 2",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8905,
                "name": "LIHKG囲碁",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 77,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-15T16:33:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2023-03-15T16:32:54.839340Z",
            "ended": "2023-04-06T15:14:25.907914Z",
            "start_waiting": "2023-03-15T16:32:54.631436Z",
            "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": 136160,
            "name": "Zodiac Tournament : Aquarius 2026",
            "director": {
                "id": 1015821,
                "username": "TimSeok",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/23efcd90e76c1f96a3d8996eb59f5435-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1252.0842148421339,
                        "deviation": 65.02518089286204,
                        "volatility": 0.06001488149088344
                    }
                },
                "ranking": 20.121205656973892,
                "professional": false,
                "ui_class": ""
            },
            "description": "One tournament for each astrological signs of the Zodiac.\n\n<b>***The top three players (according to OGS) in this tournament\nwill qualify for the next ‘Master of the Zodiac’ tournament. This masters tournament will start as soon as there are at least 8 participants.***</b>\n\n<b>Be carreful about the time settings.</b>\n\nUse the conditional move feature to speed up the game. No pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\nFeel free to give tips to your partner after the game. That’s how we can improve :)\n\nPlease no bots. The use of AI is not allowed.\n\n<h3>Title holder :</h3>\n\n<br><b><a href=\"\">Aquarius</a></b> : On going\n<br><b><a href=\"\">Pisces</a></b> : \n<br><b><a href=\"\">Aeris</a></b> :\n<br><b><a href=\"\">Taurus</a></b> :\n<br><b><a href=\"https://online-go.com/tournament/128666\">Gemini</a></b> : <a href=\"https://online-go.com/player/244036/wurf3\">Wurf3</a>\n<br><b><a href=\"https://online-go.com/tournament/129225\">Cancer</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/130235\">Lion</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/131162\">Virgo</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/132210\">Libra</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/133031\">Scorpio</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/134297\">Sagittarius</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/135075\">Capricornus</a></b> : On going",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 27251,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 25200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 823,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-20T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 12,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-20T07:00:22.063025Z",
            "ended": null,
            "start_waiting": "2026-01-20T07:00:21.769284Z",
            "board_size": 19,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 104839,
            "name": "CHEERFUL GO #20 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1881.7451606521095,
                        "deviation": 70.36326302169147,
                        "volatility": 0.059833569437341395
                    }
                },
                "ranking": 29.55228620656377,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-05T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-05T04:00:57.903211Z",
            "ended": "2023-10-02T23:45:27.859511Z",
            "start_waiting": "2023-07-05T04:00:57.786758Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 80917,
            "name": "30 min Absolute Tournament Session 1",
            "director": {
                "id": 1044601,
                "username": "senseihk",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2326.49766407098,
                        "deviation": 249.480229604016,
                        "volatility": 0.060008490664285076
                    }
                },
                "ranking": 34.463891257409,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "30 min game",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "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": 10177,
                "name": "SGA-Tournament",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 42,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-04T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-10-04T08:00:38.070663Z",
            "ended": "2021-10-04T09:50:48.084445Z",
            "start_waiting": "2021-10-04T08:00:37.945669Z",
            "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": 631,
            "name": "Soupy's fast fun mini-tournament",
            "director": {
                "id": 22486,
                "username": "Soupangel",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/335a9160847fcf937c62f6a9ee0964ee?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1042.80599442664,
                        "deviation": 87.847304148683,
                        "volatility": 0.05999638655299308
                    }
                },
                "ranking": 15.887200685646963,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 24,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-10-24T12:19:59Z",
            "ended": "2008-10-24T10:19:59Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}