List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4759
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59319,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4760",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4758",
    "results": [
        {
            "id": 63279,
            "name": "T1 Ultra tournament",
            "director": {
                "id": 747694,
                "username": "kingkaio",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1167.6804695413712,
                        "deviation": 62.48738706337885,
                        "volatility": 0.06012577810744558
                    }
                },
                "ranking": 18.505561177652012,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go to our group page to read rules.\n\n<big> If you are in another ultra tournament then you will be disqualified from both",
            "schedule": null,
            "title": null,
            "tournament_type": "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": 5683,
                "name": "Tournaments Group",
                "summary": "A group for people who like tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-20T00:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-14T10:32:08.313399Z",
            "ended": "2020-10-16T23:41:21.052971Z",
            "start_waiting": "2020-08-14T10:32:07.772323Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 134899,
            "name": "9x9 Open D.E. Cup #208",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1365.898589194213,
                        "deviation": 68.40835436496026,
                        "volatility": 0.060201985871587475
                    }
                },
                "ranking": 22.135324747759174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": false,
            "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": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-07T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-04T00:50:13.687613Z",
            "ended": null,
            "start_waiting": "2025-12-04T00:50:13.541242Z",
            "board_size": 9,
            "active_round": 5,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 73959,
            "name": "me felix",
            "director": {
                "id": 817673,
                "username": "agcFelixT",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/de79471fda7f4599450610648d684750?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1217.0041454536904,
                        "deviation": 86.81471409012131,
                        "volatility": 0.06001367437206343
                    }
                },
                "ranking": 19.46334482912078,
                "professional": false,
                "ui_class": ""
            },
            "description": "qaugqaygu1621762573",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 2446080,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 2419200,
                "period_time": 2419200,
                "periods": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8517,
                "name": "go class group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-20T01:15:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-20T01:15:07.601482Z",
            "ended": null,
            "start_waiting": "2021-04-20T01:15:07.302206Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 45298,
            "name": "19x19 McMahon\(^-^)/┬──┬ ლ(゚д゚ლ)",
            "director": {
                "id": 582354,
                "username": "GlacialNoivern",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/bae7db25edc19db310969d9c23831e70-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1538.257364713131,
                        "deviation": 65.55077561199136,
                        "volatility": 0.06026203340214659
                    }
                },
                "ranking": 24.886416928616224,
                "professional": false,
                "ui_class": ""
            },
            "description": "###All Rank Grinder\n\n☆ BEGINS ON START DATE, FULL OR NOT.\n\n☆ Does NOT pause on the weekend.\n\n☆ Five rounds, 20 players, Chinese Rules/Scoring\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☆ If this sounds like a good time to you, please join us!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": false,
            "time_start": "2019-02-16T14:00:00Z",
            "players_start": 20,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-02-18T01:28:42.485985Z",
            "ended": "2019-04-07T21:07:19.189332Z",
            "start_waiting": "2019-02-18T01:28:42.041440Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 73045,
            "name": "For People who play Among us",
            "director": {
                "id": 936720,
                "username": "Lucas Liu",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/41d2e9a73442819f2ec4624215a478c8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1285.6028632338182,
                        "deviation": 63.05376733640603,
                        "volatility": 0.06005528346930371
                    }
                },
                "ranking": 20.732787633544536,
                "professional": false,
                "ui_class": ""
            },
            "description": "A double Elimation Tournament",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8729,
                "name": "Among Us",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/632305f9659c64b5d129789581899921-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-25T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-26T02:33:37.097438Z",
            "ended": "2021-09-20T19:35:32.436596Z",
            "start_waiting": "2021-03-26T02:33:36.879395Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/632305f9659c64b5d129789581899921-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 58999,
            "name": "T0we賽",
            "director": {
                "id": 755983,
                "username": "袁老師",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fe0808b21c82c7a9cb7addf61c922ef6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1625.628468273391,
                        "deviation": 112.15342538501214,
                        "volatility": 0.06001071925002786
                    }
                },
                "ranking": 26.16532238960867,
                "professional": false,
                "ui_class": ""
            },
            "description": "T0賽T0賽T0賽",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5244,
                "name": "Mag1cShop",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-14T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-14T23:35:40.439234Z",
            "ended": "2020-06-22T16:14:42.413605Z",
            "start_waiting": "2020-04-14T23:35:40.010627Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 56304,
            "name": "3rd Atlanta 9x9 Fire: Group A",
            "director": {
                "id": 473434,
                "username": "DoubleSente",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1891.386906647593,
                        "deviation": 62.91280212348621,
                        "volatility": 0.05998964037582742
                    }
                },
                "ranking": 29.67060006447044,
                "professional": false,
                "ui_class": ""
            },
            "description": "Winner takes home the Fire trophy and challenge coin!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3777,
                "name": "Atlanta Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-02-07T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-02-06T15:24:14.035694Z",
            "ended": "2020-02-22T00:52:27.184785Z",
            "start_waiting": "2020-02-06T15:24:13.430900Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 102505,
            "name": "5 -> 陳灝 6 -> 余啟睿",
            "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": "5 -> 陳灝\n6 -> 余啟睿",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1500,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-23T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-04-23T07:48:11.939291Z",
            "ended": "2023-04-23T09:08:42.506177Z",
            "start_waiting": "2023-04-23T07:48:11.895095Z",
            "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": 74117,
            "name": "Super tournoi français 9X9",
            "director": {
                "id": 910029,
                "username": "yeong ha ko",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/0456aecb47ecd3a87457e7b4e1acc1a9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1732.4568994457843,
                        "deviation": 71.3527930233796,
                        "volatility": 0.06075833324406251
                    }
                },
                "ranking": 27.638729220033547,
                "professional": false,
                "ui_class": ""
            },
            "description": "Le gagnant de ce tournoi participera à un autre tournoi contre le gagnant du tournoi de Corée.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 60,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 95,
                "name": "France Go Players",
                "summary": "Le groupe pour les joueurs français!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1302,
                "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-24T10:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-24T10:30:36.458693Z",
            "ended": "2021-04-24T10:36:35.732187Z",
            "start_waiting": "2021-04-24T10:30:35.416815Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 76884,
            "name": "DESPEDIDA DE 5TO",
            "director": {
                "id": 88120,
                "username": "satoshi84",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.7959829193692,
                        "deviation": 78.40429708623937,
                        "volatility": 0.06016044531576248
                    }
                },
                "ranking": 17.885013568829635,
                "professional": false,
                "ui_class": ""
            },
            "description": "ÚLIMAS PARTIDAS DEL CILO ESCOLAR 2020-2021",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-29T18:58:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-06-29T18:58:45.097525Z",
            "ended": "2021-06-29T19:23:28.929031Z",
            "start_waiting": "2021-06-29T18:58:44.863533Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 9,
            "ranked": true
        }
    ]
}