List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=541
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59629,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=542",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=540",
    "results": [
        {
            "id": 76277,
            "name": "Euro 2020 Group 3",
            "director": {
                "id": 777164,
                "username": "sweissner2",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/678047e226d2c7bf4aeac51b8ac1b72d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1569.6598342992481,
                        "deviation": 66.20851156732341,
                        "volatility": 0.060989113791752564
                    }
                },
                "ranking": 25.354249155081334,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "For all soccer/football and Go fans:\nThis is a tournament with 4 simultaneous round-robin groups, 4 players each. Please sign up for ONLY 1 group.\nAfter the group phase is finished, there will be an invite-only single elimination tournament for the top 2 finishers in each group.\nstarts when full\n\nwe need players, group 2 started already and group 1 just needs one more.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88320,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 359,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-06-21T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-17T03:50:20.294385Z",
            "ended": "2021-07-02T08:26:44.586257Z",
            "start_waiting": "2021-06-17T03:50:20.103521Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 90786,
            "name": "PG SDK 2023 13x13",
            "director": {
                "id": 1162525,
                "username": "ants",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/112db88f312658e329b4c4730bb7be3b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "The Big One",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 58560,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 57600,
                "initial_time": 86400,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11630,
                "name": "SDK Proving Grounds (Single Digit Kyu)",
                "summary": "The Official SDK Proving Grounds. This group spawned from the DDK Proving Grounds (Double Digit Kyu) group, & it's popularity. Here, SDK's can play against other SDK's (or Dan players that haven’t established a solid foothold in Dan land yet). If you get s",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 101,
                "icon": "https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-01T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-02-21T16:26:48.987125Z",
            "ended": "2023-05-12T20:18:51.566139Z",
            "start_waiting": "2023-02-21T16:26:48.903895Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 50830,
            "name": "Nerdy 9x9 Tournament 8/7/2019",
            "director": {
                "id": 571536,
                "username": "personnerdy",
                "country": "_NATO",
                "icon": "https://secure.gravatar.com/avatar/f65512910552dc975b44adf67c971347?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 798.2940257215395,
                        "deviation": 64.10053293007448,
                        "volatility": 0.060020899416725275
                    }
                },
                "ranking": 9.70167237450699,
                "professional": false,
                "ui_class": ""
            },
            "description": "A new tournament from the Nerdy Go Club.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 30
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3897,
                "name": "Nerdy Go Club",
                "summary": "A Go club for nerdy people.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/d475bf78706f35551474be70020c7184-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-08-08T01:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-08-08T01:00:21.742862Z",
            "ended": "2019-08-08T01:23:46.350330Z",
            "start_waiting": "2019-08-08T01:00:21.233729Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d475bf78706f35551474be70020c7184-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 2200,
            "name": "around 10 kyu - turnament",
            "director": {
                "id": 45812,
                "username": "Laudanum",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ba03810246db144c57a2b55bb04edfd2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1756.6569652017454,
                        "deviation": 77.13918566803605,
                        "volatility": 0.05998039774536879
                    }
                },
                "ranking": 27.95986549005278,
                "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": 7,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-07-09T07:58:55Z",
            "ended": "2013-07-09T05:58:55Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 70841,
            "name": "SDK small tournament",
            "director": {
                "id": 770016,
                "username": "Patience_Tester",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1690.6877553839624,
                        "deviation": 65.42650983750526,
                        "volatility": 0.06001456311821626
                    }
                },
                "ranking": 27.073749485726683,
                "professional": false,
                "ui_class": ""
            },
            "description": "have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 611520,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 604800,
                "periods": 7
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6273,
                "name": "19x19 Players",
                "summary": "19x19 enthusiasts",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 364,
                "icon": "https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-20T02:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-16T05:49:33.100953Z",
            "ended": "2021-06-23T11:00:11.676891Z",
            "start_waiting": "2021-02-16T05:49:32.012260Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 68928,
            "name": "TORNEO DE GO EN LÍNEA  INVIERNO 2020",
            "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": "Último evento del 2020 en el Taller de Go de la Biblioteca de México.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 20,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-19T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-12-19T23:00:38.046738Z",
            "ended": "2020-12-20T00:52:59.816902Z",
            "start_waiting": "2020-12-19T23:00:36.944275Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 37,
            "ranked": true
        },
        {
            "id": 50452,
            "name": "one to one",
            "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": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2978,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-07-27T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 19,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-07-27T14:39:04.260543Z",
            "ended": "2019-09-01T19:02:53.654071Z",
            "start_waiting": "2019-07-27T14:39:04.006583Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 119085,
            "name": "No1 real competition for no dan",
            "director": {
                "id": 1606495,
                "username": "Madara Uchiha",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/8eec8f0c775a4648b9b2bbcc7712eaf5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1254.5247369993929,
                        "deviation": 71.56514087746773,
                        "volatility": 0.06002016894426035
                    }
                },
                "ranking": 20.166284970802867,
                "professional": false,
                "ui_class": ""
            },
            "description": "New year tournament\n\n\nDan players are not allowed because they are op",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 864000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14552,
                "name": "Kb group",
                "summary": "Another get to one Dan but this will have real tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/a72d83f9547b071f1b8a58b0b8bec847-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-01T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-01T08:00:35.648752Z",
            "ended": null,
            "start_waiting": "2025-01-01T08:00:35.521946Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/a72d83f9547b071f1b8a58b0b8bec847-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 94407,
            "name": "9x9 Mini League 1k-9k #41",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1270.6887600601435,
                        "deviation": 69.91037894292256,
                        "volatility": 0.06021489996527836
                    }
                },
                "ranking": 20.462657729095017,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "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": 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": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-09-18T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-15T21:50:01.157837Z",
            "ended": "2022-10-16T15:47:12.297767Z",
            "start_waiting": "2022-09-15T21:50:00.990073Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 21490,
            "name": "Fight Club's \"SDK Fair Fights\"",
            "director": {
                "id": 93741,
                "username": "littletry",
                "country": "150",
                "icon": "https://user-uploads.online-go.com/930b18e6eb208c8df33b3eea4e23ceae-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1911.8998841310188,
                        "deviation": 65.0765344045977,
                        "volatility": 0.059958000313559676
                    }
                },
                "ranking": 29.920320929399413,
                "professional": false,
                "ui_class": ""
            },
            "description": "enjoy the procedure and the goal will unfold",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 351,
                "name": "Fight Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 367,
                "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-10-21T11:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-10-17T16:37:10.210548Z",
            "ended": "2018-05-11T11:47:17.462430Z",
            "start_waiting": "2016-10-17T16:37:09.748179Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}