List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5354
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=5353",
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                "username": "shudan",
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                "id": 12007,
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                "summary": "Group for all kinds of Tournaments",
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        },
        {
            "id": 102583,
            "name": "Mid-Speed Open (9, L3) #1",
            "director": {
                "id": 1303195,
                "username": "eaglejoy",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/d4b7c1948ffe6ed5f80f075d40a13547-64.png",
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            "description": "<h2>Additional Rules</h2>\n\n<ul>\n<li>Please don't let the <strong>apologyless</strong> time-out happen; if no time, resign.</li>\n\n<li>Pause or Vacation setting is absolutely forbidden</li>\n\n</ul>\n\n<details>\n\n<summary style=\"font-size: 24px;\"><strong>Info for New Guests</strong> <span style=\"font-size:16px;\">(click to see or hide)</span></summary>\n\n<h3>Attention</h3>\n\n\nI know that if I have no time to complete a game for some reasons, or if I feel frustrated by losing, the proper way is to resign and say sorry to my opponent, rather than letting time-out happen.\n\n</details>",
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        {
            "id": 94124,
            "name": "Short Correspondence Tournament - Canadian Time Control",
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                "id": 1025834,
                "username": "shudan",
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            "description": "Short Correspondence Tournament - Canadian Time Control",
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                "summary": "Group for all kinds of Tournaments",
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        },
        {
            "id": 96238,
            "name": "SDK Round Robin 4",
            "director": {
                "id": 1009,
                "username": "Bray",
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            "description": "These time controls seems to be working well for the Fast Correspondence players. Let's have another fun one.",
            "schedule": null,
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        {
            "id": 94125,
            "name": "Short Correspondence Tournament - Fischer Time Control",
            "director": {
                "id": 1025834,
                "username": "shudan",
                "country": "_United_Federation_of_Planets",
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            "description": "Short Correspondence Tournament - Fischer Time Control",
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            "title": null,
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            },
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                "id": 12007,
                "name": "All kinds of Tournaments",
                "summary": "Group for all kinds of Tournaments",
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                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "subsequent_pairing_method": "strength",
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            "ended": "2022-12-04T02:42:06.580911Z",
            "start_waiting": "2022-09-07T20:00:38.627603Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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            "ranked": true
        },
        {
            "id": 93769,
            "name": "9x9 Mini League 1k-9k #38",
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                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
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                "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,
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                "admin_only_tournaments": false,
                "hide_details": false,
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            },
            "auto_start_on_max": true,
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            "subsequent_pairing_method": "slaughter",
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        },
        {
            "id": 93077,
            "name": "Простой быстрый турнир, Simple quick tournament",
            "director": {
                "id": 1145806,
                "username": "YT_Mr. Hosi",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/21b416fe0f4a7a32cca71355af09a5eb-64.png",
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                },
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                "ui_class": ""
            },
            "description": "Просто турнир поиграть, Just a tournament to play",
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            "title": null,
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                "time_increment": 45,
                "initial_time": 300,
                "max_time": 1200
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            "is_open": true,
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            "group": {
                "id": 12100,
                "name": "GoBanDit+",
                "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
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                "hide_details": false,
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            "first_pairing_method": "random",
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            "exclusivity": "group",
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            "ended": "2022-08-06T10:11:04.007497Z",
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        {
            "id": 102618,
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                "id": 1315820,
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            "description": "<h2>Additional Rules</h2>\n\n<ul>\n\n<li>This Open match only welcome the players who have no <strong>apologyless</strong> time-out in recent 20 correspondence games</li>\n\n<li>Pause or Vacation mode is not allowed</li>\n\n</ul>\n\n<details>\n\n<summary style=\"font-size: 24px;\"><strong>Info for New Guests</strong> <span style=\"font-size:18px;\">(click to see or hide)</span></summary>\n\n<h3>Attention</h3>\n\nDo I master the timing well enough so that I have 95% probability to avoid time-out?\n\nI know that if I have no time to complete a game for some reasons, or if I feel frustrated by losing, the proper way is to resign and say sorry to my opponent, rather than letting time-out happen.\n\n<h3>Tips</h3>\n\nI know how to use Plan Conditional Moves to speed up (such as Sente, the big value point at endgame…).\n\nI know this is a fast corr., so I will apply the highest priority to it in my Active Games List.\n\n</details>",
            "schedule": null,
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            "handicap": 0,
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            "exclude_provisional": true,
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                "summary": "Middle speed matches, not so hurry, not so slow.",
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            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 29,
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            "ended": "2023-05-14T13:24:50.586544Z",
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        {
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            "name": "please come to the 19x19 tournament",
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            "description": "please come to the 19x19 tournament",
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                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9,
                "name": "Русская группа",
                "summary": "Интересные, призовые турниры.",
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                "member_count": 1955,
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