List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=2013
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59259,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=2014",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=2012",
    "results": [
        {
            "id": 128087,
            "name": "black stone#15",
            "director": {
                "id": 635044,
                "username": "15.03",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/c95b24310a554e4ebac113077793f721-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1783.3477347164758,
                        "deviation": 75.14555837276946,
                        "volatility": 0.0601580575701242
                    }
                },
                "ranking": 28.30896277983315,
                "professional": false,
                "ui_class": ""
            },
            "description": "เชิญร่วมกสนุกกับกิจกรรมการแข่งขันหมากล้อม black stone ครั้งที่ 15 นี้ ขอให้มีควาสสุขกับการเล่นหมากล้อม",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 10,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14619,
                "name": "black stone go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 61,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-06T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-06T12:00:54.444765Z",
            "ended": "2025-05-06T13:39:58.116650Z",
            "start_waiting": "2025-05-06T12:00:54.246870Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 108523,
            "name": "16/10/66(2)",
            "director": {
                "id": 564908,
                "username": "Sarawoot Kanya",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1428.3733342620876,
                        "deviation": 65.87288697611051,
                        "volatility": 0.06068751158219223
                    }
                },
                "ranking": 23.170679540751433,
                "professional": false,
                "ui_class": ""
            },
            "description": "16/10/66(2)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4793,
                "name": "Angel WFH",
                "summary": "การเล่นหมากล้อมออนไลน์สำหรับทีมพิธีการ และทีมหมากล้อม",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-16T08:18:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-16T08:18:35.526979Z",
            "ended": "2023-10-16T08:50:31.902057Z",
            "start_waiting": "2023-10-16T08:18:35.469451Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 128857,
            "name": "Torneo Clausura",
            "director": {
                "id": 1096827,
                "username": "rusben",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2d5b3343c617b01accde2daf1bde3854?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1732.2318898313797,
                        "deviation": 80.60963625664145,
                        "volatility": 0.06007908216243982
                    }
                },
                "ranking": 27.635722327987764,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneo Clausura",
            "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": 360,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14861,
                "name": "SMX1B",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-27T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-05-27T10:54:47.949620Z",
            "ended": "2025-05-27T11:39:44.801728Z",
            "start_waiting": "2025-05-27T10:54:47.741708Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 57617,
            "name": "5x5 Superbowl",
            "director": {
                "id": 380189,
                "username": "Giroom",
                "country": "_Wales",
                "icon": "https://secure.gravatar.com/avatar/af944e8585b344f260d89dbceeddd432?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1686.669472948146,
                        "deviation": 61.92037772210349,
                        "volatility": 0.05995045881748621
                    }
                },
                "ranking": 27.01866305216732,
                "professional": false,
                "ui_class": ""
            },
            "description": "Superbowl",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 259,
                "name": "Brighton Go Club",
                "summary": "Group for anyone who plays Go in Brighton, UK",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 42,
                "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-17T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-17T21:30:55.826034Z",
            "ended": "2020-03-17T22:15:57.057424Z",
            "start_waiting": "2020-03-17T21:30:55.016921Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 43951,
            "name": "Fast Correspondence – January 2019 (A)",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1556.6638300543866,
                        "deviation": 62.34834978287352,
                        "volatility": 0.059733787748937804
                    }
                },
                "ranking": 25.161780771408637,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-12-31T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-12-31T00:00:48.280556Z",
            "ended": "2019-02-23T03:24:42.367959Z",
            "start_waiting": "2018-12-31T00:00:45.556258Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 45219,
            "name": "Fast Correspondence - Fun Tournament",
            "director": {
                "id": 1009,
                "username": "Bray",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/fc5044c935c074fad4340acb6ad2d1b6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1501.9487581728326,
                        "deviation": 65.76389777821548,
                        "volatility": 0.05968282062862765
                    }
                },
                "ranking": 24.333438496673704,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Not an official tournament of the group, mainly because I have no idea how those are scheduled and created in the first place. I just enjoying playing with you all and want to get another round-robin going.\n\n\nPlease, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "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": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-02-08T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-02-08T18:00:48.317375Z",
            "ended": "2019-04-19T09:24:44.009648Z",
            "start_waiting": "2019-02-08T18:00:45.766240Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 93995,
            "name": "9x9 Mini League 10k-25k #79",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.9261925911521,
                        "deviation": 69.59599630709448,
                        "volatility": 0.0602068047357829
                    }
                },
                "ranking": 21.999808315401925,
                "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": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 696,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-09-04T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-01T08:18:38.559504Z",
            "ended": "2022-10-05T20:35:51.653914Z",
            "start_waiting": "2022-09-01T08:18:38.396749Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 127676,
            "name": "13x13 Open D.E. Cup #66",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1357.9261925911521,
                        "deviation": 69.59599630709448,
                        "volatility": 0.0602068047357829
                    }
                },
                "ranking": 21.999808315401925,
                "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": 90782,
            "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": "2025-04-27T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-26T12:37:59.369546Z",
            "ended": "2025-06-15T15:12:22.491856Z",
            "start_waiting": "2025-04-26T12:37:59.271166Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 56648,
            "name": "Lyons Gang DDK 19x19",
            "director": {
                "id": 600899,
                "username": "cha3",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/500b863796c01ce3cf80b91e5ce59026?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1670.633147840827,
                        "deviation": 63.40972285074543,
                        "volatility": 0.05994256806288589
                    }
                },
                "ranking": 26.797507087664638,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open DDK Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3269,
                "name": "Lyons Gang",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/2183d280de7a99ed8a5933a1459f06fa-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-02-23T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-23T14:00:57.666819Z",
            "ended": "2020-11-09T08:15:21.834307Z",
            "start_waiting": "2020-02-23T14:00:54.657535Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2183d280de7a99ed8a5933a1459f06fa-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 128875,
            "name": "vvvefqfaddddavddvdvdvsdavdavADFVdvsfvfvvw",
            "director": {
                "id": 845981,
                "username": "deleted-2b50c1b5-a40a-4962-9623-393e8bf6b95c",
                "country": "uy",
                "icon": "https://user-uploads.online-go.com/4f804f84589b77fb951f8da36f0e5e6e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1293.4782880615553,
                        "deviation": 70.53548500880392,
                        "volatility": 0.06196015099157038
                    }
                },
                "ranking": 20.874168722955073,
                "professional": false,
                "ui_class": ""
            },
            "description": "rshrshrhsrhshbhgfhsghsrhgsgrgh",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3211,
                "name": "gtp2ogs AI Gathering 2019x19 ໒( ̿ ᴥ ̿ )७",
                "summary": "Gathering all OGS AI enthusiasts ! Welcome !!!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 244,
                "icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-27T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-27T20:00:40.128669Z",
            "ended": "2025-07-01T18:22:12.878679Z",
            "start_waiting": "2025-05-27T20:00:40.038627Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}