List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=744
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59431,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=745",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=743",
    "results": [
        {
            "id": 129563,
            "name": "Handicap Arena 2025 - 049",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.4861819192151,
                        "deviation": 64.1418038440685,
                        "volatility": 0.06007162140206108
                    }
                },
                "ranking": 16.101106829509398,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 105,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-06-20T18:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-06-19T08:24:00.770798Z",
            "ended": "2025-09-05T17:16:16.550977Z",
            "start_waiting": "2025-06-19T08:24:00.202257Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 39398,
            "name": "1st Continental Go World Cup-Qualification Phase for North America: 14-10k Category (Group 1)",
            "director": {
                "id": 472707,
                "username": "Rorimuha",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/8db3342c496531b5e52bf3d1829e9bed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1516.498123369883,
                        "deviation": 65.47420203284265,
                        "volatility": 0.0595946253187008
                    }
                },
                "ranking": 24.55661314647885,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello <br>\nThis is the qualification phase for the North American players who have a level between 14k and 10k.<br>\n(This is the group n°1. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.)\n<br>\n<span style=\"color:red;\">REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, canadian flag is considered as North American flag).</p>\nHave fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 59520,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 57600,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 525,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-08-01T20:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-08-02T19:23:15.657840Z",
            "ended": "2018-09-26T06:21:47.982729Z",
            "start_waiting": "2018-08-02T19:23:12.159930Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 136221,
            "name": "BegINner fiGhT!!! ver2",
            "director": {
                "id": 1742791,
                "username": "AKIBABO",
                "country": "_GoT_Lannister",
                "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 868.9975938226739,
                        "deviation": 62.3323767312604,
                        "volatility": 0.059889064116867466
                    }
                },
                "ranking": 11.666259470688049,
                "professional": false,
                "ui_class": ""
            },
            "description": "BegINner fiGhT!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 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": 17912,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-13T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-13T08:00:49.036547Z",
            "ended": null,
            "start_waiting": "2026-01-13T08:00:48.901042Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 133552,
            "name": "13x13 Mini League 2d-9k #8",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.853799560171,
                        "deviation": 67.3768163524415,
                        "volatility": 0.060025167068784406
                    }
                },
                "ranking": 16.823651478136373,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 58,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-11-21T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-11-17T11:21:21.474944Z",
            "ended": null,
            "start_waiting": "2025-11-17T11:21:21.347104Z",
            "board_size": 13,
            "active_round": 1,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 100111,
            "name": "9x9 Mini League 5k-15k #3",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1350.1971725131666,
                        "deviation": 66.73871326624591,
                        "volatility": 0.060203149008499844
                    }
                },
                "ranking": 21.86766714124199,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 15kyu and 5kyu. 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": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-16T16:02:39.697690Z",
            "ended": "2023-04-17T04:42:21.376047Z",
            "start_waiting": "2023-02-16T16:02:39.437625Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 119034,
            "name": "19x19 Open D.E. Cup #81",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1350.1971725131666,
                        "deviation": 66.73871326624591,
                        "volatility": 0.060203149008499844
                    }
                },
                "ranking": 21.86766714124199,
                "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/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-08-25T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-08-23T07:41:19.941012Z",
            "ended": "2025-10-19T16:19:46.782528Z",
            "start_waiting": "2024-08-23T07:41:19.844502Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 92769,
            "name": "9x9 Open League #40",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1350.1971725131666,
                        "deviation": 66.73871326624591,
                        "volatility": 0.060203149008499844
                    }
                },
                "ranking": 21.86766714124199,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-08-07T20:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-03T11:28:20.254192Z",
            "ended": "2022-10-04T19:43:32.403426Z",
            "start_waiting": "2022-08-03T11:28:19.697189Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 113118,
            "name": "☆★Kyu Level Match★☆ 19x19 (Ranking)#3",
            "director": {
                "id": 1517595,
                "username": "deleted-c450503a-a3ed-4365-a208-e1dda8262208",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/3b8d49e36d3ae7ecf441bd4510b0cbc4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1174.1092143440676,
                        "deviation": 67.30388423481288,
                        "volatility": 0.060036122662211824
                    }
                },
                "ranking": 18.63266551761154,
                "professional": false,
                "ui_class": ""
            },
            "description": "여러분의 관심이 필요합니다 저는 ☆★Kyu Level Match★☆ 19x19 (Ranking)에서 하룻밤 사이에 4개의 게임을 완료 했습니다. 빠른 진행이 가능합니다. 물론 두는 사람에 따라 다르겠지만 아직 끝내지 못한 게임이 4개나 있다. 플레이를 안하는데 답이 없다.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 172800,
                "max_time": 2419200
            },
            "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": "2024-03-02T15:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-23T13:09:44.910047Z",
            "ended": "2024-03-29T02:20:17.713328Z",
            "start_waiting": "2024-02-23T13:09:44.739744Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 135023,
            "name": "9x9 Open League #136",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1350.1971725131666,
                        "deviation": 66.73871326624591,
                        "volatility": 0.060203149008499844
                    }
                },
                "ranking": 21.86766714124199,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-07T20:05:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-07T12:35:00.806685Z",
            "ended": "2026-02-04T15:03:36.501946Z",
            "start_waiting": "2025-12-07T12:35:00.136527Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 113929,
            "name": "9x9 Mini League 10k-25k #222",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1350.1971725131666,
                        "deviation": 66.73871326624591,
                        "volatility": 0.060203149008499844
                    }
                },
                "ranking": 21.86766714124199,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. 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": "2024-03-24T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-21T12:17:57.912256Z",
            "ended": "2024-04-14T18:17:05.903012Z",
            "start_waiting": "2024-03-21T12:17:57.743474Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}