List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5292
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58971,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5293",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5291",
    "results": [
        {
            "id": 107276,
            "name": "Spotify​ Go Tournament 03 ( 19x19)",
            "director": {
                "id": 1322475,
                "username": "deleted-b8298226-c8a9-4910-964d-901a7982ce93",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/7624e55875265924b1b2a89d3fafef25-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 974.942678280357,
                        "deviation": 77.35526305128167,
                        "volatility": 0.05956714351670386
                    }
                },
                "ranking": 14.329396611199595,
                "professional": false,
                "ui_class": ""
            },
            "description": "<div style=\"border: 3px dashed #FFAFB0;background-color:#696969\">\n<p style=\"color:#FFAFB0; font-size:40px; font-family:'Trebuchet' \">Admin Social Media​</p>\n\n<p style=\"color:#FFAFB0; font-size:40px; font-family:'Trebuchet' \">IG : Triplepun.exe</p>\n\n<p style=\"color:#FFAFB0; font-size:40px; font-family:'Trebuchet' \">Youtube : @user-cg3xo8vi3m</p>\n\n<p style=\"color:#FFAFB0; font-size:40px; font-family:'Trebuchet' \">Tiktok : poonpun2524</p>\n\n<p style=\"color:#FFAFB0; font-size:40px; font-family:'Trebuchet' \">Countdown 2023</p>\n\n<embed src=\"https://ogs.phiangphetphani.repl.co\" width=480 height=200></embed>\n\n<link rel=\"stylesheet\" type=\"text/css\" href=\"https://poonpunokok.github.io/test2607.css\">​",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13413,
                "name": "Spotify​ Go​ Group​",
                "summary": "<div style=\"borderr: 3px dashed #FFAFB0;background-color:#696969\">\n⠀\n\n<h1><p style=\"color:#FFAFB0;\"> \nWelcome to group page!!!</p></h1>\n\n<b class=\"hr anim\"></b>\n\n<embed src=\"https://youtube.com/embed/9zEl-FQLI4A?si=0wAmEYDhYV1VnfUh\"></embed>\n\n<p style=\"col",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://user-uploads.online-go.com/9f5d09c7cd6c21863b0145af7d723a71-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-26T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-22T12:05:41.303966Z",
            "ended": "2023-10-21T17:41:37.534237Z",
            "start_waiting": "2023-09-22T12:05:41.028711Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9f5d09c7cd6c21863b0145af7d723a71-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 74446,
            "name": "4-4 study.",
            "director": {
                "id": 825336,
                "username": "Asbayen",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/655f3d7ff1863b9a27b7b6d21eb4d7d1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1475.9897141592526,
                        "deviation": 61.9433191679236,
                        "volatility": 0.06002063080508664
                    }
                },
                "ranking": 23.929825663880187,
                "professional": false,
                "ui_class": ""
            },
            "description": "The black player is required to play dual 4-4 points on the right half of the board. The white player can play anything so long as it is on the left half of the board. After the first three moves, nothing on the board is off limits! If you are black try to find ways to fend off white, and if you are white try to find weaknesses in the 4-4 point. Please stay after the tournament to discuss your findings. Please also use no obscenity or insults etc., just be nice for goodness’ sake.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8562,
                "name": "World Wide Go Association (WWGA)",
                "summary": "This group welcomes people world wide, from beginners to pros! We have a WWGA group logo, a group video, and even a video for new members! (I make announcement videos), I hope you enjoy!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 151,
                "icon": "https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-01T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-01T13:00:58.828557Z",
            "ended": "2021-05-01T13:06:15.595859Z",
            "start_waiting": "2021-05-01T13:00:57.967801Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 130120,
            "name": "los villanos",
            "director": {
                "id": 1806156,
                "username": "Mateo.el villano",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/10f5e932a6f4bdbdf7f26039ac494305-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1502.7557216596554,
                        "deviation": 249.23834793073232,
                        "volatility": 0.06001159277887394
                    }
                },
                "ranking": 24.345873133953003,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "los villanos",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 6,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "blitz",
                "pause_on_weekends": false,
                "time_increment": 5,
                "initial_time": 30,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11594,
                "name": "brawl star",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-19T16:15:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2025-07-19T16:14:13.593810Z",
            "ended": "2025-07-19T16:28:58.295540Z",
            "start_waiting": "2025-07-19T16:14:13.514415Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 35320,
            "name": "Tournament 44",
            "director": {
                "id": 12573,
                "username": "Misawa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 977.5796256115817,
                        "deviation": 69.02183474866371,
                        "volatility": 0.05986671976150141
                    }
                },
                "ranking": 14.391926363316212,
                "professional": false,
                "ui_class": ""
            },
            "description": "Equinox handicap tournament time! Open to all ranks, but with a handicap. Using strength pairing so hopefully that makes the handicaps less important. Good luck everyone!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 432000,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 591,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-21T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-03-21T19:01:03.334224Z",
            "ended": "2019-09-21T01:25:03.075092Z",
            "start_waiting": "2018-03-21T19:00:45.456567Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 37,
            "ranked": true
        },
        {
            "id": 71619,
            "name": "GO WORLD: The first tournament of this group 😃",
            "director": {
                "id": 770016,
                "username": "Patience_Tester",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1705.104438159741,
                        "deviation": 66.22618258501114,
                        "volatility": 0.060014521215293805
                    }
                },
                "ranking": 27.270315230856916,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's join this tournament and this group!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8410,
                "name": "OGS WORLD",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-01T10:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-01T10:00:11.071965Z",
            "ended": "2022-03-06T12:03:57.272568Z",
            "start_waiting": "2021-04-01T10:00:10.741571Z",
            "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": 63054,
            "name": "Turnuva",
            "director": {
                "id": 660433,
                "username": "terkul",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/ac756d7a455b0508e7868322339e4044-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 954.4837899712588,
                        "deviation": 65.7990068661962,
                        "volatility": 0.06004751026279939
                    }
                },
                "ranking": 13.838431006440075,
                "professional": false,
                "ui_class": ""
            },
            "description": "Turnuva",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3944,
                "name": "Aktur",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-13T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-13T11:54:11.273055Z",
            "ended": "2020-07-13T13:21:20.574348Z",
            "start_waiting": "2020-07-13T11:54:10.862881Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 106625,
            "name": "19x19 Open D.E. Cup #37",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1429.6387231626618,
                        "deviation": 69.52190984817108,
                        "volatility": 0.060174439907970216
                    }
                },
                "ranking": 23.191178932898033,
                "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": 68,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-08-27T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-25T06:16:44.081700Z",
            "ended": "2024-12-06T12:52:03.010208Z",
            "start_waiting": "2023-08-25T06:16:43.938112Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 88087,
            "name": "嘉軒vs名鎬",
            "director": {
                "id": 1125975,
                "username": "東東1234",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/7073c3c0c19e1e2362786d7d3cacee04?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1636.613123803098,
                        "deviation": 92.9778953940374,
                        "volatility": 0.06000761280908969
                    }
                },
                "ranking": 26.321224844663433,
                "professional": false,
                "ui_class": ""
            },
            "description": "1111111111111",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 80,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 60,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11450,
                "name": "黎老師群組",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 39,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-04-02T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-02T03:50:23.364288Z",
            "ended": "2022-04-02T04:02:44.059870Z",
            "start_waiting": "2022-04-02T03:50:23.332485Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 86758,
            "name": "Greg's April 2022 9x9",
            "director": {
                "id": 839774,
                "username": "greg556",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/ab22c240c07a79025a1565e22698dd21?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1352.355170779992,
                        "deviation": 65.78171266435913,
                        "volatility": 0.06010244192669599
                    }
                },
                "ranking": 21.90463787420026,
                "professional": false,
                "ui_class": ""
            },
            "description": "April 9x9 Swiss, slide and strength.\n\nVacation and pauses not allowed, at discretion of director.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 22560,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 21600,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7162,
                "name": "Greg's Tournament Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-01T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-01T17:00:23.559292Z",
            "ended": "2022-05-01T12:58:18.765787Z",
            "start_waiting": "2022-04-01T17:00:23.440488Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 90396,
            "name": "19cx1291919",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 737.7046137263186,
                        "deviation": 68.20913185753804,
                        "volatility": 0.06058593027435129
                    }
                },
                "ranking": 7.874362062534066,
                "professional": false,
                "ui_class": ""
            },
            "description": "191919x9x9x",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "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": 4841,
                "name": "PIPIOLO GO 2022🏆",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 215,
                "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-23T22:07:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-05-23T22:07:22.177682Z",
            "ended": "2022-05-23T22:08:56.144503Z",
            "start_waiting": "2022-05-23T22:07:22.062171Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}