List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=445
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=444",
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            "description": "UOGS Championship Tournament on 19x19 Board",
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                "id": 4121,
                "name": "Universal Online Go Club",
                "summary": "No longer operated.",
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            "ended": "2022-02-01T14:51:52.076933Z",
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        },
        {
            "id": 57796,
            "name": "ქართველების ტურნირი",
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                "id": 21742,
                "username": "დათო",
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            "description": "ქართველების ტურნირი",
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            "title": null,
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            "started": "2020-03-21T18:20:04.569415Z",
            "ended": "2020-03-21T18:55:00.251595Z",
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        {
            "id": 107479,
            "name": "19x19 Open League #30",
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                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                },
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            },
            "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",
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            "title": null,
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            "handicap": 0,
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                "name": "GO Special Tournaments",
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                "admin_only_tournaments": false,
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            "ended": "2023-11-20T08:02:53.240666Z",
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        },
        {
            "id": 85140,
            "name": "partidas 19x19 onlinego",
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                "id": 607938,
                "username": "kido.go.baduk",
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            "description": "partidas 19x19 onlinego",
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            "title": null,
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                "period_time": 30,
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            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4841,
                "name": "PIPIOLO GO 2022🏆",
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                "hide_details": false,
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            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
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        },
        {
            "id": 35633,
            "name": "Fast Correspondence Tournament – April 2018 (A)",
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                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
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                "ui_class": "supporter moderator"
            },
            "description": "Correspondence but fast paced tournament.\n\n**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).**",
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            "title": null,
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                "time_control": "fischer",
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                "max_time": 172800,
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                "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,
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            "time_start": "2018-03-29T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-03-29T01:00:29.322470Z",
            "ended": "2018-04-30T23:49:32.378190Z",
            "start_waiting": "2018-03-29T01:00:26.414275Z",
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            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
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            "ranked": true
        },
        {
            "id": 86239,
            "name": "19x19 now",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
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            "handicap": 0,
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            "time_per_move": 36,
            "time_control_parameters": {
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                "time_control": "byoyomi",
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                "period_time": 30,
                "periods": 5
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            "exclude_provisional": false,
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                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
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                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
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            "ended": "2022-02-17T23:57:08.722118Z",
            "start_waiting": "2022-02-17T23:31:13.043241Z",
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            "player_count": 10,
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        {
            "id": 75910,
            "name": "The 34th Murase Go Group Tournament",
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                "id": 449215,
                "username": "SM-SYaKo",
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                "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png",
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            "description": "毎月27日に開催される定例トーナメントです。これは第三十四回村瀬碁グループ定例トーナメントです。2021年7月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 34th tournament that starts on July 27th, 2021.",
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            "title": null,
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            "exclude_provisional": false,
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                "name": "Murase Go Group",
                "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。",
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            "ended": "2022-02-22T07:05:28.625806Z",
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        {
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            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
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            "title": null,
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                "pause_on_weekends": false,
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                "periods": 5
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            "is_open": true,
            "exclude_provisional": false,
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                "is_public": false,
                "admin_only_tournaments": false,
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            "time_start": "2023-03-26T00:35:00Z",
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            "subsequent_pairing_method": "random",
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            "max_ranking": 38,
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