List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-exclude_provisional&page=4693
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60201,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-exclude_provisional&page=4694",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-exclude_provisional&page=4692",
    "results": [
        {
            "id": 2529,
            "name": "Title match for: Mingren Nines Title Tournament 2010",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Title match for: Mingren Nines Title Tournament 2010 (KlausP vs Rena)",
            "schedule": null,
            "title": {
                "id": 11,
                "name": "Mingren Nines Title Tournament",
                "holder": {
                    "id": 40094,
                    "username": "pollemand",
                    "country": "dk",
                    "icon": "https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 2171.89178460396,
                            "deviation": 69.05182806949152,
                            "volatility": 0.060035483123523053
                        }
                    },
                    "ranking": 32.87197200792104,
                    "professional": false,
                    "ui_class": ""
                },
                "rules": "chinese",
                "tournament_type": "s_elimination"
            },
            "tournament_type": "s_title",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-07-01T21:00:08Z",
            "ended": "2011-07-17T06:42:38Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/mingren_9.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 366,
            "name": "nintendo's mini-tournament",
            "director": {
                "id": 4263,
                "username": "nintendo",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/eb4c24cb5a3512c2cae7733e6629ef6e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1233.4064970073553,
                        "deviation": 68.9509379267978,
                        "volatility": 0.06001510587262257
                    }
                },
                "ranking": 19.773268482878812,
                "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": 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": 11,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-11-22T02:32:00Z",
            "ended": "2008-01-19T20:14:00Z",
            "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
        },
        {
            "id": 365,
            "name": "Way of Go",
            "director": {
                "id": 4657,
                "username": "Lapis",
                "country": "it",
                "icon": "https://secure.gravatar.com/avatar/d19f3a074143a096c8558a9733f52f50?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1686.4826952213186,
                        "deviation": 68.04366394428057,
                        "volatility": 0.06004395498297073
                    }
                },
                "ranking": 27.016099334810434,
                "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": 9,
            "max_ranking": 22,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-11-21T20:11:00Z",
            "ended": "2008-04-12T18:34:00Z",
            "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": 364,
            "name": "SakuyaKira's mini-tournament",
            "director": {
                "id": 3844,
                "username": "SakuyaKira",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/86fa588a098276e7ed5dc5c46fdea685?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1223.404429438196,
                        "deviation": 66.64352262163483,
                        "volatility": 0.060037948146122636
                    }
                },
                "ranking": 19.58477278628539,
                "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": 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": 12,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-11-20T19:56:00Z",
            "ended": "2008-01-05T00:02:00Z",
            "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": 3013,
            "name": "Nova Internal Coffee",
            "director": {
                "id": 57612,
                "username": "Françisa",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/9fd5436e7cf3ca679e5109e3698851a0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1593.5322236187249,
                        "deviation": 66.13896034607907,
                        "volatility": 0.060198411935194394
                    }
                },
                "ranking": 25.70367865236043,
                "professional": false,
                "ui_class": ""
            },
            "description": "A correspondence tournament for the Mods and Admins of OGS. Enjoy! :)\n\nIt's 9x9! Have a great time! :)",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": false,
            "group": {
                "id": 1,
                "name": "OGS Internal",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 40,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.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": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2014-07-09T18:49:26.362559Z",
            "ended": "2014-07-18T21:01:45.824304Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 24992,
            "name": "Julko's mini-tournament XVI",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 841.2230514451497,
                        "deviation": 66.61905037323213,
                        "volatility": 0.0592694772498498
                    }
                },
                "ranking": 10.914266217536355,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Just play go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": true,
            "time_start": "2017-04-10T03:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-03-23T21:10:20.554590Z",
            "ended": "2017-08-14T14:13:56.222890Z",
            "start_waiting": "2017-03-23T21:10:09.779163Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 61098,
            "name": "SEXTO partidas",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 757.1497577605247,
                        "deviation": 67.99692759044272,
                        "volatility": 0.06060031272917052
                    }
                },
                "ranking": 8.476668863408058,
                "professional": false,
                "ui_class": ""
            },
            "description": "Partidas para sexto",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "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": "2020-05-26T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-26T19:00:57.236485Z",
            "ended": "2020-05-26T19:52:32.415589Z",
            "start_waiting": "2020-05-26T19:00:56.909345Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 708,
            "name": "Happy Valley Go Open 4",
            "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": -1,
            "rules": "japanese",
            "time_per_move": 864000,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 864000
            },
            "is_open": false,
            "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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-01-14T00:48:49Z",
            "ended": "2009-01-13T23:48:49Z",
            "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": 3021,
            "name": "Quick & Review 1.5 - Go Basics Live Swiss Tournament",
            "director": {
                "id": 62867,
                "username": "flowing",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/aebade80869af51bd00f51e93cb02f75-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1488.091419034126,
                        "deviation": 66.57351051734896,
                        "volatility": 0.06002202218598938
                    }
                },
                "ranking": 24.11885964231979,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is a short tournament (3 rounds). The idea is to finish it quickly and review some games together afterwards.\nWe plan to start at 20:00Z today – as soon as we got 8 participants, so make sure to gather in the GO Basics chat room.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18036,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-07-15T20:00:33.617073Z",
            "ended": "2014-07-15T21:35:38.882302Z",
            "start_waiting": "2014-07-15T20:00:33.061818Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 111134,
            "name": "9x9 Open D.E. Cup #116",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1325.0529908848616,
                        "deviation": 70.58676374549262,
                        "volatility": 0.06023746882442591
                    }
                },
                "ranking": 21.43248918766429,
                "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": 712,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-01-07T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-03T11:29:18.978755Z",
            "ended": "2024-05-22T11:37:20.214739Z",
            "start_waiting": "2024-01-03T11:29:18.851198Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}