List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=98
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60080,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=99",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=97",
    "results": [
        {
            "id": 2078,
            "name": "lisac1's mini-tournament",
            "director": {
                "id": 46409,
                "username": "lisac1",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/20c3b4b69911dfc00a8a2b698ae56ed5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1603.0710157275137,
                        "deviation": 67.35198011459177,
                        "volatility": 0.059956391542850866
                    }
                },
                "ranking": 25.841840117032127,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "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": 385,
                "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": 3,
            "max_ranking": 13,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-06-04T07:09:22Z",
            "ended": "2013-06-04T05:09:22Z",
            "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": 137281,
            "name": "ooloolong 13 13",
            "director": {
                "id": 657233,
                "username": "oolooloo",
                "country": "155",
                "icon": "https://user-uploads.online-go.com/8f41f10dcbb391aafb7f3a83119225ea-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 755.8191180400836,
                        "deviation": 64.23500944972551,
                        "volatility": 0.06010224477006692
                    }
                },
                "ranking": 8.43594850496142,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "long correspondance 13 13",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 645699,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 1311,
                "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-02-26T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 7,
            "max_ranking": 13,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-02-26T20:00:40.581588Z",
            "ended": null,
            "start_waiting": "2026-02-26T20:00:40.176064Z",
            "board_size": 13,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 3400,
            "name": "Veliki Slovenski",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 762.4842334984942,
                        "deviation": 64.02267932885623,
                        "volatility": 0.059132716971074584
                    }
                },
                "ranking": 8.639199606078765,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Vsak z vsakim",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-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": 13,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-11-20T10:15:51.415589Z",
            "ended": "2014-12-10T07:05:15.881558Z",
            "start_waiting": "2014-11-20T10:15:51.250749Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 105339,
            "name": "13x13",
            "director": {
                "id": 1382364,
                "username": "ŽELJKO GXY",
                "country": "hr",
                "icon": "https://user-uploads.online-go.com/badb8cb9439577469e74dfc1a975eab6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1476.3657386851598,
                        "deviation": 116.74674642211195,
                        "volatility": 0.060005482863360195
                    }
                },
                "ranking": 23.935722628497665,
                "professional": false,
                "ui_class": ""
            },
            "description": "25-17 kyu",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 19461,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 18000,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 323,
                "name": "The Balkans",
                "summary": "For all the people living (or originating from) one of the countries that are located on the Balkans! :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 25,
                "icon": "https://user-uploads.online-go.com/5fd503a319c6e17c1bd1b081c876f700-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-13T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 13,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-29T03:05:34.916368Z",
            "ended": "2025-01-03T16:29:12.752604Z",
            "start_waiting": "2024-12-29T03:05:34.844576Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fd503a319c6e17c1bd1b081c876f700-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2866,
            "name": "OGS SWT 9x9 30-17kyu",
            "director": {
                "id": 52052,
                "username": "ST000MA",
                "country": "rs",
                "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1673.1081810358723,
                        "deviation": 63.719835796116094,
                        "volatility": 0.062406049091613854
                    }
                },
                "ranking": 26.83177829664526,
                "professional": false,
                "ui_class": ""
            },
            "description": "Starts on 01.05.2014. (May 1st). For more information, see http://online-go.com/forum/thread/3493/ .",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 385,
                "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": 13,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-05-01T08:30:07.571684Z",
            "ended": "2014-11-14T07:10:52.188486Z",
            "start_waiting": "2014-05-01T08:26:37.384231Z",
            "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": 59959,
            "name": "trecéame",
            "director": {
                "id": 362737,
                "username": "seranhelo",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.4110560105903,
                        "deviation": 60.784797360228325,
                        "volatility": 0.05977725254366489
                    }
                },
                "ranking": 21.26341906930818,
                "professional": false,
                "ui_class": ""
            },
            "description": "torneo de clasificación",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 6720,
            "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": 4667,
                "name": "Universidad El Bosque",
                "summary": "UB GO",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-05-07T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 14,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-07T00:00:51.784860Z",
            "ended": "2020-05-21T17:00:08.168095Z",
            "start_waiting": "2020-05-07T00:00:49.684724Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 1188,
            "name": "belcanta's mini-tournament",
            "director": {
                "id": 20996,
                "username": "belcanta",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/ea43188c9817876540299f35d2e62346?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1149.217873824813,
                        "deviation": 75.05463556584196,
                        "volatility": 0.060017533213005604
                    }
                },
                "ranking": 18.13660399902784,
                "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": true,
            "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": 385,
                "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": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-07-21T08:40:51Z",
            "ended": "2010-07-21T06:40:51Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1505,
            "name": "Veronika's mini-tournament",
            "director": {
                "id": 38219,
                "username": "Veronika",
                "country": "cz",
                "icon": "https://secure.gravatar.com/avatar/41c9174b875e4f9606e309c745b390be?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1596.0572482007944,
                        "deviation": 64.91376270979809,
                        "volatility": 0.05997284737314625
                    }
                },
                "ranking": 25.7403318529071,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 385,
                "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": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-10-19T14:18:06Z",
            "ended": "2011-10-19T12:18:06Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 798,
            "name": "Happy Valley Go Open 7",
            "director": {
                "id": 13725,
                "username": "Aznviolin",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/40b562d6fabfb44fb3e28022dd650f9e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.5817230678103,
                        "deviation": 65.38647225905848,
                        "volatility": 0.059752988395153216
                    }
                },
                "ranking": 21.266422454503005,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "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": 385,
                "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": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-11-13T02:01:25Z",
            "ended": "2009-11-13T01:01:25Z",
            "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": 2101,
            "name": "Thyderion's 13's mini-tournament",
            "director": {
                "id": 43865,
                "username": "Thyderion",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/35cc77b9f871cc1115eefc9d08aeb8fc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1695.92176996606,
                        "deviation": 64.0625323842533,
                        "volatility": 0.05984981126614199
                    }
                },
                "ranking": 27.145306323408366,
                "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": 385,
                "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": 2,
            "max_ranking": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-03-10T10:01:23Z",
            "ended": "2013-03-10T09:01:23Z",
            "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
        }
    ]
}