List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=1035
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59528,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=1036",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=1034",
    "results": [
        {
            "id": 127689,
            "name": "dragon 2",
            "director": {
                "id": 1744471,
                "username": "Thee1234",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/48a07dc211daa7e949093dfa7aad7051-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 738.7716196793457,
                        "deviation": 62.4590646498179,
                        "volatility": 0.05996466089433615
                    }
                },
                "ranking": 7.907821716748331,
                "professional": false,
                "ui_class": ""
            },
            "description": "truiufgjgvde4rjop7",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 15189,
                "name": "beginer team",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/040b337da9de3f4d44c85a6d3b42d7b4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-21T02:48:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-21T02:48:16.042559Z",
            "ended": "2025-04-21T02:48:16.029229Z",
            "start_waiting": "2025-04-21T02:48:15.981141Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/040b337da9de3f4d44c85a6d3b42d7b4-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 70721,
            "name": "pokemon go",
            "director": {
                "id": 558199,
                "username": "sad boy",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/21ec6234c2db30e7988677845091fbaf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1347.5837706380241,
                        "deviation": 92.42712820839888,
                        "volatility": 0.06000866026944705
                    }
                },
                "ranking": 21.822815262153654,
                "professional": false,
                "ui_class": ""
            },
            "description": "we are training to becoming pros",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 22920,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 16200,
                "initial_time": 604800,
                "max_time": 2419200
            },
            "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": 17930,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-29T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-30T00:10:31.117673Z",
            "ended": "2021-05-25T05:44:07.903358Z",
            "start_waiting": "2021-01-30T00:10:31.013239Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 46547,
            "name": "9x9 Double Elimination",
            "director": {
                "id": 582363,
                "username": "EagleEye",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/9280f8ad3a78be41ed99ab34396e9646-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1112.2104026593283,
                        "deviation": 63.20164792269633,
                        "volatility": 0.06002478445949194
                    }
                },
                "ranking": 17.37885328374442,
                "professional": false,
                "ui_class": ""
            },
            "description": "###All rank grinder\n\n☆ STARTS WHEN FULL.\n\n☆ Does NOT pause on the weekend.\n\n☆ Double Elimination, 8 players, Chinese Rules/Scoring\n\n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ If this sounds like a good time to you, please join us!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 591,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-26T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-03-16T23:06:21.904431Z",
            "ended": "2019-05-08T21:48:56.955966Z",
            "start_waiting": "2019-03-16T23:06:20.436486Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 82637,
            "name": "Eerste toernooi",
            "director": {
                "id": 1077475,
                "username": "JessicaJudeel",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/9daf7b772da714b192dd4e5e262c3f7c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1327.2278261811198,
                        "deviation": 235.09569179913933,
                        "volatility": 0.06002276588428243
                    }
                },
                "ranking": 21.470454585648245,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "spelen",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 10595,
                "name": "Lotsica",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/49fd4ecd6699845c654853aa5aea3fd1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-18T10:38:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-18T10:38:57.850326Z",
            "ended": "2021-11-21T10:44:39.250508Z",
            "start_waiting": "2021-11-18T10:38:57.796027Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/49fd4ecd6699845c654853aa5aea3fd1-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 104427,
            "name": "19x19 Open D.E. Cup #26",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1338.1347857578535,
                        "deviation": 68.56179911925729,
                        "volatility": 0.06020495821657849
                    }
                },
                "ranking": 21.659920381007574,
                "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": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-02T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-02T09:00:28.402251Z",
            "ended": "2023-09-30T10:11:04.348824Z",
            "start_waiting": "2023-07-02T09:00:28.278547Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 114251,
            "name": "Kitty & puppy lovers friendly tournament #9",
            "director": {
                "id": 1518938,
                "username": "KittyWise",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/dfb96e8660fdc662a5bd238eef23578c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "🐈🐕🐸🐎🐂🐓🐒 community happy go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "nz",
            "time_per_move": 37943,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14076,
                "name": "KittyWise",
                "summary": "----------------------------------------------------------------------------------------------------------------------",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 59,
                "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-28T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-28T09:05:01.035807Z",
            "ended": "2024-04-02T14:16:39.329033Z",
            "start_waiting": "2024-03-28T09:05:01.000486Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 59790,
            "name": "Selfplay 9",
            "director": {
                "id": 767655,
                "username": "katrain-dev",
                "country": "dk",
                "icon": "https://user-uploads.online-go.com/36d10f42fd3c0c022fd41d5aea21641c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2217.5714941400106,
                        "deviation": 65.77264340022225,
                        "volatility": 0.060296695904283736
                    }
                },
                "ranking": 33.35381836857881,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Selfplay 9",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5460,
                "name": "KaTrain",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-28T20:53:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-04-28T20:53:41.638025Z",
            "ended": "2020-04-28T21:49:14.193913Z",
            "start_waiting": "2020-04-28T20:53:39.712443Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 105594,
            "name": "13x13 Open League #10",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1338.1347857578535,
                        "deviation": 68.56179911925729,
                        "volatility": 0.06020495821657849
                    }
                },
                "ranking": 21.659920381007574,
                "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/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-08-13T20:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-06T22:46:41.116404Z",
            "ended": "2023-11-10T02:56:16.883751Z",
            "start_waiting": "2023-08-06T22:46:40.441934Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 98642,
            "name": "winner got 1000 robux",
            "director": {
                "id": 1060885,
                "username": "Alpha 7",
                "country": "_DOOP",
                "icon": "https://user-uploads.online-go.com/63573c054e8d0696cab3303baeb4aff3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 904.7851429092036,
                        "deviation": 67.34335559126222,
                        "volatility": 0.06001807541807993
                    }
                },
                "ranking": 12.600527447016306,
                "professional": false,
                "ui_class": ""
            },
            "description": "I will pm the winner later",
            "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": 11548,
                "name": "Weelo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 88,
                "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-06T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-05T02:43:37.479888Z",
            "ended": "2023-07-10T11:48:16.978251Z",
            "start_waiting": "2023-04-05T02:43:37.389974Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 106867,
            "name": "蔡芷桐 顏裕橋",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "蔡芷桐 顏裕橋",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1500,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-08-27T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-08-27T03:44:34.681742Z",
            "ended": "2023-08-27T04:25:31.097984Z",
            "start_waiting": "2023-08-27T03:44:34.616493Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}