List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=330
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "id": 99042,
            "name": "Go Zodiac Friendship Games Online ปีมะเมีย รุ่น F1 กระดาน 9x9 (ต่ำกว่า 8 คิว)",
            "director": {
                "id": 912815,
                "username": "cp06",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/4da1ef892b79d62ea729b1964f8d22fc-64.png",
                "ratings": {
                    "version": 5,
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                },
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            "description": "Go Zodiac Friendship Games Online ปีมะเมีย รุ่น F1 กระดาน 9x9 (ต่ำกว่า 8 คิว)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
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                "period_time": 10,
                "periods": 5
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            "group": {
                "id": 10408,
                "name": "Zodiac กลุ่ม F(ต่ำกว่า 8 คิว) กระดาน 9",
                "summary": "",
                "require_invitation": true,
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            "auto_start_on_max": false,
            "time_start": "2023-01-27T10:00:00Z",
            "players_start": 4,
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            "started": "2023-01-27T10:00:58.659913Z",
            "ended": "2023-01-27T10:42:19.436600Z",
            "start_waiting": "2023-01-27T10:00:58.481817Z",
            "board_size": 9,
            "active_round": null,
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            "player_count": 19,
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        },
        {
            "id": 80910,
            "name": "The 38th Murase Go Group Tournament",
            "director": {
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                "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。これは第三十八回村瀬碁グループ定例トーナメントです。2021年11月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 38th tournament that starts on November 27th, 2021.",
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            "title": null,
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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。",
                "require_invitation": false,
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            "time_start": "2021-11-26T23:00:00Z",
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            "started": "2021-11-26T23:00:58.280455Z",
            "ended": "2022-06-20T10:07:44.110619Z",
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        {
            "id": 138342,
            "name": "Honinbo Nines Title Tournament 2025",
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[3d]</td><td>gs2020 [4d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/109434'>2023</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Sadaharu [5d]</b></td><td>rainysky [5d]</td><td>tacololo [3k]</td>\n</tr>\n</table>\n\n&lowast; means the games were finished by timeout or retirement. Old OGS ranks were displayed for tournaments before 2017.\n\nNotes: \n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.",
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            "title": null,
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            "exclude_provisional": true,
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                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
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            "time_start": "2026-03-29T10:00:00Z",
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            "subsequent_pairing_method": "strength",
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            "analysis_enabled": true,
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            "ended": null,
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        {
            "id": 96060,
            "name": "Dads playing Go merrily December 22",
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                "icon": "https://user-uploads.online-go.com/4be4b03911c62da57e584fc292b671fa-64.png",
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                "professional": false,
                "ui_class": ""
            },
            "description": "Holiday tournament for the Dads on a map community",
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            "title": null,
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            "handicap": -1,
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            "group": {
                "id": 6431,
                "name": "DoaM Go Club",
                "summary": "",
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            "started": "2022-11-27T11:00:19.385815Z",
            "ended": "2023-02-06T03:56:16.138601Z",
            "start_waiting": "2022-11-27T11:00:18.907393Z",
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        {
            "id": 120367,
            "name": "Oza Treizes 2020 Title Match - Board 5",
            "director": {
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                "username": "Kuksu League",
                "country": "_United_Federation_of_Planets",
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                "ratings": {
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                "professional": false,
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            "description": "<!--\nOza Treizes 2020 Title Match - Board 1\n-->\n\nTitle Holder:\n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [Treizes Oza] x4</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>5th</td>\n\t<td style=\"color:cyan\">Oza</td>\n\t<td>Treizes</td>\n\t<td>2020</td>\n\t<td><a style=\"color:cyan\" href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [Treizes Oza]</a></td>\n\t<td><a href='https://online-go.com/player/465989/Xaloc'>Xaloc [1d]</a></td>\n<!-- \n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/117766'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/117767'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/117768'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/117769'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/117770'>Board 5</a></td>\n-->\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120267'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120364'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120365'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120366'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120367'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/54435'>Oza Treizes Title Tournament 2020</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.",
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                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2968,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
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            "first_pairing_method": "slide",
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            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2024-12-25T09:00:55.797124Z",
            "ended": "2025-06-25T07:59:56.578731Z",
            "start_waiting": "2024-12-25T09:00:55.765259Z",
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            "player_count": 2,
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        },
        {
            "id": 118259,
            "name": "The 1st \"De'an Cup\" Championship",
            "director": {
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