List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5675
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59375,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5676",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5674",
    "results": [
        {
            "id": 109262,
            "name": "Christmas 🎄🎄",
            "director": {
                "id": 1021027,
                "username": "Ming Lau",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/15c4b1e401f17e6fd1b7fd9ef6ff7921-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 955.9118659419,
                        "deviation": 82.31133769089932,
                        "volatility": 0.0599985457683246
                    }
                },
                "ranking": 13.873041601136496,
                "professional": false,
                "ui_class": ""
            },
            "description": "Happy Christmas \nEnjoying the competition!\nWe wish you a merry Christmas, we wish you a merry Christmas, we wish you a merry Christmas!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13697,
                "name": "𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽",
                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 104,
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-25T04:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-25T04:00:03.850381Z",
            "ended": "2024-03-24T11:41:10.698271Z",
            "start_waiting": "2023-12-25T04:00:03.150601Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png",
            "player_count": 38,
            "ranked": true
        },
        {
            "id": 1228,
            "name": "just for fun",
            "director": {
                "id": 31535,
                "username": "hyran",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/786505174755d3bcf05e191f42a9e49b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1382.298498081628,
                        "deviation": 68.61575006208469,
                        "volatility": 0.06002950151638442
                    }
                },
                "ranking": 22.411623998125265,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-09-01T20:50:56Z",
            "ended": "2010-09-01T18:50:56Z",
            "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": 126958,
            "name": "CHEERFUL GO #90 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1870.8072779988947,
                        "deviation": 70.96802092536763,
                        "volatility": 0.0598346971726683
                    }
                },
                "ranking": 29.417331290058765,
                "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",
                "pause_on_weekends": false,
                "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": "2025-04-03T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-03T04:00:13.478985Z",
            "ended": "2025-08-16T15:08:08.157473Z",
            "start_waiting": "2025-04-03T04:00:13.371138Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 111531,
            "name": "1° Torneio do Clube de Go Iniciantes - BR",
            "director": {
                "id": 978134,
                "username": "Zeldy",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/1776afdde30ebb6671000b17279c4960-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1385.8071981061323,
                        "deviation": 88.2057015576137,
                        "volatility": 0.06001931972703787
                    }
                },
                "ranking": 22.470311387974988,
                "professional": false,
                "ui_class": ""
            },
            "description": "1° Torneio do Clube de Go Iniciantes - BR",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 92495,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13782,
                "name": "Clube de Go Iniciantes - BR",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/ae0a69a14d61cf714f20fc4c78ccf47f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-03-01T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2024-03-01T13:00:31.163816Z",
            "ended": "2024-03-13T12:14:30.753222Z",
            "start_waiting": "2024-03-01T13:00:30.589670Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ae0a69a14d61cf714f20fc4c78ccf47f-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 84969,
            "name": "Please participate",
            "director": {
                "id": 944730,
                "username": "renyxal",
                "country": "aq",
                "icon": "https://user-uploads.online-go.com/5d65fc65c35ccb0a90de5b917acc222b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1236.0789507882284,
                        "deviation": 70.79495029264285,
                        "volatility": 0.05999925995064556
                    }
                },
                "ranking": 19.8233739242647,
                "professional": false,
                "ui_class": ""
            },
            "description": "try your best :D",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "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": 9028,
                "name": "chess group",
                "summary": "play chess together",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/ffe6534e1f5f8497eb04f8cdf31236e2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-21T12:30:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-21T12:30:31.469394Z",
            "ended": "2023-04-30T06:22:41.380656Z",
            "start_waiting": "2022-01-21T12:30:31.275831Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ffe6534e1f5f8497eb04f8cdf31236e2-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 111345,
            "name": "CHEERFUL GO #45 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1870.8072779988947,
                        "deviation": 70.96802092536763,
                        "volatility": 0.0598346971726683
                    }
                },
                "ranking": 29.417331290058765,
                "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": "2024-01-11T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 33,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-11T04:00:46.317474Z",
            "ended": "2024-05-23T23:36:43.697538Z",
            "start_waiting": "2024-01-11T04:00:46.193559Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 72863,
            "name": "March 29 Handicap tournament",
            "director": {
                "id": 380817,
                "username": "look info döskee",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1001.1282744304297,
                        "deviation": 68.63680878166396,
                        "volatility": 0.058646562422007574
                    }
                },
                "ranking": 14.942969758566955,
                "professional": false,
                "ui_class": ""
            },
            "description": "Chinese rules",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 262080,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 259200,
                "periods": 3
            },
            "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": 822,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-29T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-29T10:00:05.090300Z",
            "ended": "2022-09-13T06:20:17.249421Z",
            "start_waiting": "2021-03-29T10:00:02.567215Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 1616,
            "name": "kiberov's mini-tournament",
            "director": {
                "id": 40202,
                "username": "kiberov",
                "country": "hu",
                "icon": "https://secure.gravatar.com/avatar/7ee64f6d88c757ff309bcc0084c4b18a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1054.288098743361,
                        "deviation": 136.1032372492275,
                        "volatility": 0.059991706272715606
                    }
                },
                "ranking": 16.140707070535377,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-11-12T02:02:05Z",
            "ended": "2011-11-12T01:02:05Z",
            "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": 3342,
            "name": "starters",
            "director": {
                "id": 106805,
                "username": "jasonatwar",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/c7765e98e0f10a1c9e7905bab1770f84-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1598.2771177477266,
                        "deviation": 67.79192914324891,
                        "volatility": 0.06001077954650701
                    }
                },
                "ranking": 25.77250756302191,
                "professional": false,
                "ui_class": ""
            },
            "description": "just a random tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 28,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-11-09T22:44:56.616431Z",
            "ended": "2015-07-28T08:56:31.864083Z",
            "start_waiting": "2014-11-09T22:44:56.441297Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 103379,
            "name": "CHEERFUL GO #13 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1870.8072779988947,
                        "deviation": 70.96802092536763,
                        "volatility": 0.0598346971726683
                    }
                },
                "ranking": 29.417331290058765,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, 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.\n\nPlease note the change of the time system.",
            "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",
                "pause_on_weekends": true,
                "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": "2023-05-24T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 33,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-24T16:00:57.235490Z",
            "ended": "2023-07-27T10:52:49.402858Z",
            "start_waiting": "2023-05-24T16:00:57.104921Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}