List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=45
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59408,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=46",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=44",
    "results": [
        {
            "id": 101188,
            "name": "9x9 Mini League 1k-9k #69",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.1348379116837,
                        "deviation": 67.2035710014903,
                        "volatility": 0.06020465154221762
                    }
                },
                "ranking": 21.98631332494487,
                "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": 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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-09T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-07T17:00:55.466652Z",
            "ended": "2023-05-13T20:05:37.029554Z",
            "start_waiting": "2023-04-07T17:00:55.257560Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 59953,
            "name": "Simple Correspondence 13x13 SDK 2020 June",
            "director": {
                "id": 732922,
                "username": "woolpark",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c9b9a16afe87a94e5a79c216c5b7f9b4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1448.2613456324239,
                        "deviation": 74.13670102782378,
                        "volatility": 0.059982418884699545
                    }
                },
                "ranking": 23.490786089025057,
                "professional": false,
                "ui_class": ""
            },
            "description": "No analysis. Counting is good for you.\n\nEnjoy!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5017,
                "name": "Simple Correspondence",
                "summary": "2 days per move. No Analysis.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-01T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-06-01T21:25:56.664670Z",
            "ended": "2020-06-11T11:50:42.827762Z",
            "start_waiting": "2020-06-01T21:25:56.553556Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 103249,
            "name": "Mid-Speed Open (13, L4) #2",
            "director": {
                "id": 1341412,
                "username": "match_Mid-Speed.gr",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.8814751249,
                        "deviation": 94.41219595830631,
                        "volatility": 0.060012300603352955
                    }
                },
                "ranking": 26.564207163029423,
                "professional": false,
                "ui_class": ""
            },
            "description": "Note: This time seting is equivalent to “<strong>1 move</strong> per calendar day per player”.\n\n<h2>Rules</h2>\n\n<ul>\n\n<li>Please don't let the <strong>apologyless</strong> time-out happen; if no time, resign.</li>\n<li>Pausing or Vacation setting is absolutely forbidden</li>\n\n</ul>\n\n<details>\n\n<summary style=\"font-size: 24px;\"><strong>Info for New Guests</strong> <span style=\"font-size:16px;\">(click to see or hide)</span></summary>\n\n<h3>Attention</h3>\n\n\nI know that if I have no time to complete a game for some reasons, or if I feel frustrated by losing, the proper way is to resign and say sorry to my opponent, rather than letting time-out happen.\n\n</details>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44661,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 86400,
                "period_time": 86400,
                "stones_per_period": 2
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12936,
                "name": "Mid-speed",
                "summary": "Middle speed matches, not so hurry, not so slow.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-05-18T10:00:00Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 21,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-17T12:48:06.321606Z",
            "ended": "2023-05-25T16:43:15.567888Z",
            "start_waiting": "2023-05-17T12:48:06.114290Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 1996,
            "name": "boredom's mini-tournament",
            "director": {
                "id": 10670,
                "username": "boredom",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/885cf176491879164a14993fb1af835c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1822.8504864288059,
                        "deviation": 64.53786161281363,
                        "volatility": 0.05990507402656149
                    }
                },
                "ranking": 28.816159126829287,
                "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": 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": 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": 21,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-19T14:43:34Z",
            "ended": "2012-12-19T13:43:34Z",
            "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": 96261,
            "name": "School holiday is starting!",
            "director": {
                "id": 1143064,
                "username": "ZRSSDann",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/3fc85a52a0dcce2bc3033af4ef21c708-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1481.8848605019614,
                        "deviation": 68.31433548847164,
                        "volatility": 0.06046352798150052
                    }
                },
                "ranking": 24.022103287618204,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please join this tournament as a \"celebration\" for Primary students!",
            "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": false,
            "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": 1780,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-11-18T11:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-11-18T11:30:02.191444Z",
            "ended": "2023-03-08T10:32:26.319591Z",
            "start_waiting": "2022-11-18T11:30:02.033337Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 104245,
            "name": "9x9 Mini League 1k-9k #80",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.1348379116837,
                        "deviation": 67.2035710014903,
                        "volatility": 0.06020465154221762
                    }
                },
                "ranking": 21.98631332494487,
                "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": 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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-06-25T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-24T12:26:34.637945Z",
            "ended": "2023-07-27T17:15:40.763225Z",
            "start_waiting": "2023-06-24T12:26:34.506183Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 100192,
            "name": "SDK Round Robin 8",
            "director": {
                "id": 1009,
                "username": "Bray",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/fc5044c935c074fad4340acb6ad2d1b6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1455.8627939101893,
                        "deviation": 65.2819326689018,
                        "volatility": 0.05969015467493849
                    }
                },
                "ranking": 23.611975074790834,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "8th iteration of the SDK round robin.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30168,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 822,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-20T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-20T23:00:04.928236Z",
            "ended": "2023-04-28T16:47:24.100179Z",
            "start_waiting": "2023-02-20T23:00:04.840226Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 100146,
            "name": "9x9 Mini League 1k-9k #63",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.1348379116837,
                        "deviation": 67.2035710014903,
                        "volatility": 0.06020465154221762
                    }
                },
                "ranking": 21.98631332494487,
                "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": 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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-19T20:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-18T00:44:10.670109Z",
            "ended": "2023-03-15T01:37:44.294452Z",
            "start_waiting": "2023-02-18T00:44:10.471745Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 102353,
            "name": "Mid-Speed Open (9x9)  #6",
            "director": {
                "id": 1303195,
                "username": "eaglejoy",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/d4b7c1948ffe6ed5f80f075d40a13547-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1814.5278273894323,
                        "deviation": 67.29577928717005,
                        "volatility": 0.05999029476123887
                    }
                },
                "ranking": 28.710220246475455,
                "professional": false,
                "ui_class": ""
            },
            "description": "<h3>Additional rules</h3>\n<ul>\n<li>This Open match welcome the players who have no <strong>apologyless</strong> time-out in recent 20 correspondence games</li>\n<li>Pause or Vacation mode is not allowed</li>\n</ul>\n\n<h3>Attention</h3>\n\nOnce I choose to participate the Match, I have an obligation to avoid time-out as far as possible.\n\nIf I find I don't have enough time to finish a game or I am not willing to play any longer, I know it is time to use Resignation rather than letting the time-out happen.\n\nIf time-out does happens, I know I should apologize to my opponent.\n\n<h3>Tips</h3>\n\nI know how to use Plan Conditional Moves to speed up (such as Sente, the big value point at endgame…).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89448,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12936,
                "name": "Mid-speed",
                "summary": "Middle speed matches, not so hurry, not so slow.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-23T01:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-22T22:09:18.259453Z",
            "ended": "2023-05-02T18:54:11.683031Z",
            "start_waiting": "2023-04-22T22:09:18.115646Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 99166,
            "name": "9x9 Mini League 1k-9k #58",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.1348379116837,
                        "deviation": 67.2035710014903,
                        "volatility": 0.06020465154221762
                    }
                },
                "ranking": 21.98631332494487,
                "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": 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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-22T20:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-22T17:22:30.136801Z",
            "ended": "2023-02-09T17:53:01.388939Z",
            "start_waiting": "2023-01-22T17:22:29.926644Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}