List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=516
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=-players_start&page=515",
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            "name": "Handicap Arena 2026 - 005",
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                "username": "Gia",
                "country": "gr",
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            },
            "description": "Part of an arena tournament - 2026. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
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            "title": null,
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            "handicap": -1,
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                "summary": "Organising arena-type handicap correspondence tournaments.",
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            "started": "2026-01-16T09:15:33.383970Z",
            "ended": null,
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            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
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        {
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            "name": "19x19 Open League #104",
            "director": {
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                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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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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                "name": "GO Special Tournaments",
                "summary": "",
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            "time_start": "2025-10-26T22:00:00Z",
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            "started": "2025-10-21T19:10:22.621236Z",
            "ended": "2026-02-18T08:37:38.589652Z",
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            "name": "19x19 Open League #58",
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        {
            "id": 12657,
            "name": "Kuksu Main Title Tournament 9th Cycle - Group C2",
            "director": {
                "id": 199065,
                "username": "Kuksu League",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro",
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            "description": "Kuksu Main Title Tournament 9th Cycle Group C2\n\nTitle Holder: <a href='https://online-go.com/user/view/35184/vitality'>vitality (5d)</a>\n\nPrevious cycles:\n<table style=\"text-align:center;\" border='2'>\n<tr><th rowspan=2>Cycle</th><td colspan=3><b>Title Match</b></td><td colspan=3><b>Title Tournament</b></td></tr>\n<tr>\n    <th>Winner</th><th>Score</th><th>Runner-up</th>\n    <th>Winner<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_19.png' alt='Gold'></img></th>\n    <th>Runner-up<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_19.png' alt='Silver'></img></th>\n    <th>3rd Place<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_19.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2375'>1</a></td>\n    <td><b>luke</b></td><td></td><td></td>\n    <td><b>luke (2d)</b></td><td>davos</td><td>gomad361</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2384'>2</a></td>\n    <td><b>gomad361</b></td><td>3-2</td><td>luke</td>\n    <td><b>luke (2d)</b></td><td>gomad361</td><td>hotspur</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2391'>3</a></td>\n    <td><b>Uberdude</b></td><td>&lowast;</td><td>gomad361</td>\n    <td><b>Uberdude (6d)</b></td><td>KyuT</td><td>marigo</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2406'>4</a></td>\n    <td><b>Uberdude</b></td><td>5-0</td><td>KyuT</td>\n    <td><b>KyuT (4d)</b></td><td>quiller</td><td>morituri</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2424'>5</a></td>\n    <td><b>Uberdude</b></td><td>5-0</td><td>gomad361</td>\n    <td><b>gomad361 (2d)</b></td><td>morituri</td><td>betterlife</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2439'>6</a></td>\n    <td><b>Uberdude</b></td><td>5-0</td><td>Elin</td>\n    <td><b>Elin (3d)</b></td><td>gomad361</td><td>morituri</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2460'>7</a></td>\n    <td><b>Uberdude</b></td><td>3-2</td><td>vitality</td>\n    <td><b>vitality (5d)</b></td><td>Elin</td><td>gomad361</td>\n</tr>\n<tr>\n    <td><a href='https://online-go.com/tournament/2475'>8</a></td>\n    <td><b>vitality</b></td><td>&lowast;</td><td>Uberdude</td>\n    <td><b>vitality (5d)</b></td><td>nrx</td><td>gojohn</td>\n</tr>    \n<tr>\n    <td rowspan=5><a href='#'>9</a></td>\n    <td rowspan=5 colspan=3></td>\n    <td colspan=3>\n        <a href='https://online-go.com/tournament/12653'>[A]</a>\n    </td>\n</tr>\n<tr>\n    <td colspan=3>\n        <a href='https://online-go.com/tournament/12654'>[B1]</a>\n        <a href='https://online-go.com/tournament/12655'>[B2]</a>\n    </td>\n</tr>\n<tr>\n    <td colspan=3>\n        <a href='https://online-go.com/tournament/12656'>[C1]</a>\n        <a href='https://online-go.com/tournament/12657'>[C2]</a>\n        <a href='https://online-go.com/tournament/12658'>[C3]</a>\n        <a href='https://online-go.com/tournament/12659'>[C4]</a>\n    </td>\n</tr>\n<tr>\n    <td colspan=3>\n        <a href='https://online-go.com/tournament/12660'>[D1]</a>\n        <a href='https://online-go.com/tournament/12661'>[D2]</a>\n        <a href='https://online-go.com/tournament/12662'>[D3]</a>\n        <a href='https://online-go.com/tournament/12663'>[D4]</a>\n        <a href='https://online-go.com/tournament/12664'>[D5]</a>\n        <a href='https://online-go.com/tournament/12665'>[D6]</a>\n        <a href='https://online-go.com/tournament/12666'>[D7]</a>\n        <a href='https://online-go.com/tournament/12667'>[D8]</a>\n    </td>\n</tr>\n<tr>\n    <td colspan=3>\n        <a href='https://online-go.com/tournament/12668'>[E1]</a>\n        <a href='https://online-go.com/tournament/12669'>[E2]</a>\n        <a href='https://online-go.com/tournament/12670'>[E3]</a>\n        <a href='https://online-go.com/tournament/12671'>[E4]</a>\n        <a href='https://online-go.com/tournament/12672'>[E5]</a>\n        <a href='https://online-go.com/tournament/12673'>[E6]</a>\n    </td>\n</tr>\n</table>\n\n&lowast; means the games were finished by timeout or retiring.\n\nRules could be found <a href='https://forums.online-go.com/t/league-format-kuksu-title-tournament-rules-and-discussion/5191'>here</a>.",
            "schedule": null,
            "title": null,
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            "handicap": 0,
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                "max_time": 604800,
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            },
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            "exclude_provisional": false,
            "group": {
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                "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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            "subsequent_pairing_method": "slide",
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            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2015-11-30T20:58:26.313205Z",
            "ended": "2016-08-24T05:54:14.801437Z",
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        },
        {
            "id": 125658,
            "name": "9*9 #17 stage1",
            "director": {
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                "username": "ejoty",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/a9fb5bdbcda2ced8e85cdb882dec5117-64.png",
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                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome.",
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            "title": null,
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            "handicap": 0,
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                "initial_time": 259200,
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            },
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            "exclude_provisional": true,
            "group": {
                "id": 13682,
                "name": "9*9棋賽群",
                "summary": "A space for 9*9 tournaments!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "time_start": "2025-03-01T11:00:00Z",
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            "started": "2025-02-23T09:21:30.736982Z",
            "ended": "2025-05-04T20:52:38.189426Z",
            "start_waiting": "2025-02-23T09:21:30.001402Z",
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            "ranked": true
        },
        {
            "id": 88243,
            "name": "Correspondence Weekly McMahon 19x19 2022-04-09 17:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                "ui_class": "supporter moderator admin"
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                    "maximum_players": 1000
                },
                "next_run": "2026-04-06T17:00:00Z",
                "base_points": "30.0"
            },
            "title": null,
            "tournament_type": "s_mcmahon",
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            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
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            },
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            "group": null,
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            "time_start": "2022-04-09T17:00:12.461195Z",
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            "started": "2022-04-09T17:00:26.616207Z",
            "ended": "2023-08-29T03:47:14.626700Z",
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            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
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        },
        {
            "id": 115022,
            "name": "Long & Boring tourney.",
            "director": {
                "id": 1144866,
                "username": "𝒫𝓊𝓉 𝒦.",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/96e71b19d93c156edd85ce7fe2904c51-64.png",
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            "description": "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://yewang.github.io/ProfileCSS/profile.css \"> <link rel=\"stylesheet\" type=\"text/css\"\n\nPlease join even though you're not bored.\n\nBored players from these countries have visited this tourney:\n\n<a href=\"https://info.flagcounter.com/IZWl\"><img src=\"https://s11.flagcounter.com/map/IZWl/size_l/txt_000000/border_F7FF00/pageviews_1/viewers_Bored+Guys/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
            "schedule": null,
            "title": null,
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                "per_move": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13972,
                "name": " All Game Lovers ",
                "summary": "A space for \"All Games Lovers!\"",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 61,
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