List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=283
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60665,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=284",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=282",
    "results": [
        {
            "id": 91754,
            "name": "PokeMac",
            "director": {
                "id": 799595,
                "username": "Flaflu8000",
                "country": "uy",
                "icon": "https://user-uploads.online-go.com/ed85aed262482f5f186cf69925221fd7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1039.5229133761584,
                        "deviation": 62.57849271630703,
                        "volatility": 0.06014828743995316
                    }
                },
                "ranking": 15.814202237601542,
                "professional": false,
                "ui_class": ""
            },
            "description": "PokeMac",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 2446080,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 2419200,
                "period_time": 2419200,
                "periods": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11805,
                "name": "Pokemon tornaments",
                "summary": "Todos son libres de unirse.\n😁😁😁",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/2b4461b57d4a5b6025fc344494752f44-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-26T22:00:00Z",
            "players_start": 20,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-16T23:56:35.823301Z",
            "ended": null,
            "start_waiting": "2022-10-16T23:56:35.307496Z",
            "board_size": 9,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/2b4461b57d4a5b6025fc344494752f44-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 137955,
            "name": "13x13 Mini League 10k-25k #52",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1060.5022291891732,
                        "deviation": 67.10767803005136,
                        "volatility": 0.06002369493625782
                    }
                },
                "ranking": 16.27675605085914,
                "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": 60,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2026-03-13T21:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-03-07T11:37:01.933751Z",
            "ended": "2026-06-27T13:54:32.181102Z",
            "start_waiting": "2026-03-07T11:37:01.675874Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 37095,
            "name": "THE DUDE ABIDES [20k-10k]",
            "director": {
                "id": 454725,
                "username": "Zero Moustafa",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/fa477fe792a06f3ecea0cdc1594d99f1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 905.7290586422823,
                        "deviation": 60.980561442971556,
                        "volatility": 0.05989121023469844
                    }
                },
                "ranking": 12.624666060435485,
                "professional": false,
                "ui_class": ""
            },
            "description": "RESPECT THE RULES !\nHave fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "period_time": 10,
                "main_time": 90,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 3,
                "speed": "live"
            },
            "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": 18113,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-05-09T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-05-09T09:00:36.343902Z",
            "ended": "2018-05-09T09:02:45.206432Z",
            "start_waiting": "2018-05-09T09:00:36.022093Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 36656,
            "name": "Minato",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 769.0975600653927,
                        "deviation": 65.01454445024554,
                        "volatility": 0.05993770725600263
                    }
                },
                "ranking": 8.83912293002885,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19 港区",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 119,
                "name": "TOKYO GO!",
                "summary": "Tokyo Go Players Meet Together!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 45,
                "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-05-05T16:01:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-05-05T16:01:28.823459Z",
            "ended": "2020-07-21T09:56:08.710147Z",
            "start_waiting": "2018-05-05T16:01:10.176434Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-15.png",
            "player_count": 30,
            "ranked": true
        },
        {
            "id": 120183,
            "name": "9x9 Mini League 10k-25k #252",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1396.756996894482,
                        "deviation": 72.28963709119351,
                        "volatility": 0.060271962182201794
                    }
                },
                "ranking": 22.652509628626415,
                "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": 715,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-22T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-20T04:44:14.900494Z",
            "ended": "2024-10-07T23:50:34.840758Z",
            "start_waiting": "2024-09-20T04:44:14.705651Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 143045,
            "name": "Takt 1k",
            "director": {
                "id": 1853853,
                "username": "Takt1k",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6f492ec904db0e7e6912b2240ba3ab8c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 940.2451740283193,
                        "deviation": 66.07251305418302,
                        "volatility": 0.0601921248018241
                    }
                },
                "ranking": 13.490486608575402,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ucfdokjcdfjcj",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 9,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 120,
                "max_time": 1200
            },
            "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": 18113,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-08-10T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-08-10T06:00:29.028192Z",
            "ended": "2026-08-10T06:04:18.475541Z",
            "start_waiting": "2026-08-10T06:00:28.989764Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 119771,
            "name": "DDK playground IV, fast correspondence",
            "director": {
                "id": 1081052,
                "username": "Malakia",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/c79fd56979d8c75717ce4a3094a39e8e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1557.7625595298712,
                        "deviation": 66.33140376719798,
                        "volatility": 0.05997188132336573
                    }
                },
                "ranking": 25.17811481513352,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast correspondence games, for DDK players.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30168,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 518400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3685,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-29T20:00:00Z",
            "players_start": 32,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-29T20:00:58.695035Z",
            "ended": "2025-08-06T17:43:13.703419Z",
            "start_waiting": "2024-09-29T20:00:58.154762Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 59,
            "ranked": true
        },
        {
            "id": 1612,
            "name": "quick players mini-tournament",
            "director": {
                "id": 870,
                "username": "opex",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/e059138473f928fc41580483a7c2736a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1401.506145003007,
                        "deviation": 63.91043603773482,
                        "volatility": 0.05978007916330174
                    }
                },
                "ranking": 22.731089003544017,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "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": 386,
                "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": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-02-24T13:37:27Z",
            "ended": "2012-02-24T12:37:27Z",
            "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": 142591,
            "name": "9x9 Mini League 10k-25k #409",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1396.756996894482,
                        "deviation": 72.28963709119351,
                        "volatility": 0.060271962182201794
                    }
                },
                "ranking": 22.652509628626415,
                "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": 715,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-08-02T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-07-30T16:22:19.630018Z",
            "ended": "2026-08-10T11:01:04.185062Z",
            "start_waiting": "2026-07-30T16:22:19.429225Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 119900,
            "name": "September Swiss DDK Tourney",
            "director": {
                "id": 58836,
                "username": "DrQuantum",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 969.8782689459186,
                        "deviation": 61.300463121705285,
                        "volatility": 0.05899321214750746
                    }
                },
                "ranking": 14.208828863030014,
                "professional": false,
                "ui_class": ""
            },
            "description": "Swiss Tournament for Eight DDKs",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3685,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-08T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-08T23:51:00.220102Z",
            "ended": "2025-07-30T12:05:42.446918Z",
            "start_waiting": "2024-09-08T23:51:00.071524Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        }
    ]
}