List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=1497
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60716,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=1498",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=1496",
    "results": [
        {
            "id": 69523,
            "name": "9by99by9",
            "director": {
                "id": 739180,
                "username": "leoinbk",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/5c8e72b6e3421ca0d63579a5a1630ef5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1144.0057227017662,
                        "deviation": 62.47542977360111,
                        "volatility": 0.060014750452260436
                    }
                },
                "ranking": 18.031370905792297,
                "professional": false,
                "ui_class": ""
            },
            "description": "double elimination 9by9 game",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 716,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-29T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-31T12:15:35.841339Z",
            "ended": "2021-01-08T16:47:37.884824Z",
            "start_waiting": "2020-12-31T12:15:35.640873Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 130038,
            "name": "N1 დამწყებთა ონლაინ ტურნირი",
            "director": {
                "id": 1459143,
                "username": "Gochadvalii",
                "country": "ge",
                "icon": "https://secure.gravatar.com/avatar/91b1714ddc9099ef33e2e3b50fad9a7a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 874.7055118905839,
                        "deviation": 61.07962809894701,
                        "volatility": 0.05996886318780164
                    }
                },
                "ranking": 11.817820564793983,
                "professional": false,
                "ui_class": ""
            },
            "description": "ტურნირი დაიწყება საღამოს 10-ის ნახევარზე.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15109,
                "name": "გო ქუთაისში",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 39,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-01T17:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-01T17:30:29.991252Z",
            "ended": "2025-07-01T18:53:20.982529Z",
            "start_waiting": "2025-07-01T17:30:29.839630Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 47043,
            "name": "9x9 64 Reasons To Cry (╥﹏╥)",
            "director": {
                "id": 582363,
                "username": "EagleEye",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/9280f8ad3a78be41ed99ab34396e9646-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1112.2104026593283,
                        "deviation": 63.20164792269633,
                        "volatility": 0.06002478445949194
                    }
                },
                "ranking": 17.37885328374442,
                "professional": false,
                "ui_class": ""
            },
            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n \n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n \n☆ Does NOT pause on the weekend.\n \n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.<BR><BR>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "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": "2019-05-01T01:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-05-01T01:00:05.233124Z",
            "ended": "2019-09-27T09:43:36.826914Z",
            "start_waiting": "2019-05-01T01:00:03.611999Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 35,
            "ranked": true
        },
        {
            "id": 56151,
            "name": "Blitz 9x9",
            "director": {
                "id": 673221,
                "username": "AmanShabhay",
                "country": "ua",
                "icon": "https://secure.gravatar.com/avatar/d2608cae314dc1d21eac26546cf5b62c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1201.2649213973432,
                        "deviation": 68.62126400100469,
                        "volatility": 0.06000374773747492
                    }
                },
                "ranking": 19.16199855888722,
                "professional": false,
                "ui_class": ""
            },
            "description": "Blitz 9x9 Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 60,
                "max_time": 60
            },
            "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": 18112,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-01-30T17:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-01T01:05:09.071498Z",
            "ended": "2020-02-01T01:11:13.446355Z",
            "start_waiting": "2020-02-01T01:05:08.326811Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "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": 68757,
            "name": "test001",
            "director": {
                "id": 858643,
                "username": "KruPete",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/b05818ed6d55cf0d561e7f7449326f3d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1896.9795229638357,
                        "deviation": 61.57710530287785,
                        "volatility": 0.06005293864968908
                    }
                },
                "ranking": 29.738950982566312,
                "professional": false,
                "ui_class": ""
            },
            "description": "000000001",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7581,
                "name": "การแข่งขันหมากล้อมออนไลน์",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 341,
                "icon": "https://user-uploads.online-go.com/5772b75b13247e45a3922d8202c6c9ce-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-12-09T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-09T05:56:36.523972Z",
            "ended": "2020-12-09T06:05:40.878299Z",
            "start_waiting": "2020-12-09T05:56:36.380686Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5772b75b13247e45a3922d8202c6c9ce-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 138923,
            "name": "Yet Another 19x19 Tournament",
            "director": {
                "id": 1649078,
                "username": "fogreaper",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/183be2a7d2fb2909262cee800036fd26?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 289.6883238207922,
                        "deviation": 69.72433000908082,
                        "volatility": 0.0602925944729211
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just a 19x19 tournament for your playing pleasure.",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "ing",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200,
                "main_time": 3600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1800,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-04T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-04T17:32:16.490268Z",
            "ended": null,
            "start_waiting": "2026-04-04T17:32:16.463733Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 79947,
            "name": "Norway Tournament",
            "director": {
                "id": 109488,
                "username": "DVbS78rkR7NVe",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2026.1476299885521,
                        "deviation": 66.05609734432652,
                        "volatility": 0.059874270189468615
                    }
                },
                "ranking": 31.26391960044579,
                "professional": false,
                "ui_class": ""
            },
            "description": "Join the group for more cat tournaments ^__^",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": false,
            "group": {
                "id": 6124,
                "name": "Leopard's Resting Tree",
                "summary": "A little corner for cat tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 313,
                "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-14T02:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2021-09-14T02:00:04.471867Z",
            "ended": "2021-11-04T15:14:51.414574Z",
            "start_waiting": "2021-09-14T02:00:04.086930Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 54694,
            "name": "Lets do dis",
            "director": {
                "id": 686096,
                "username": "He11ndrik",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b62d1c4b2c541654ff9bf1ecf0c98445?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1032.122653188821,
                        "deviation": 63.42291628126571,
                        "volatility": 0.05999119017621745
                    }
                },
                "ranking": 15.648810285626427,
                "professional": false,
                "ui_class": ""
            },
            "description": "Lets do dis",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8952,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-12-12T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-12-13T00:37:02.969801Z",
            "ended": "2019-12-13T01:09:19.718377Z",
            "start_waiting": "2019-12-13T00:37:02.283885Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 80760,
            "name": "🌸81 Flowers🌸 #24",
            "director": {
                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0554496406809,
                        "deviation": 84.91308607572303,
                        "volatility": 0.076882078105041
                    }
                },
                "ranking": 15.194279748149173,
                "professional": false,
                "ui_class": ""
            },
            "description": "🌸🌸🌸Everyone is welcome🌸🌸🌸",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1814400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 1814400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 362,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-05T22:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-05T22:00:14.348611Z",
            "ended": "2021-11-06T07:15:14.471612Z",
            "start_waiting": "2021-10-05T22:00:13.825338Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}