List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=542
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Flexate di brutto anche a Novembre 2025.\n\nSi apprezzano analisi, ramificazioni, schiaffi gratuiti, e proverbi improvvisati.",
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            "name": "konikomo",
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            "description": "aaaaaaaaaa",
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                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
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            "id": 136322,
            "name": "Training Tuesday",
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                "id": 1810282,
                "username": "Nicholas_0331",
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            "description": "Training Tuesday have arrived!!!\nPlay slowly, think more.",
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                "name": "SUI Ronaldo!!!",
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        {
            "id": 136736,
            "name": "19x19 Open D.E. Cup #155",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
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            "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",
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                "id": 12599,
                "name": "GO Special Tournaments",
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            "name": "Handicap Arena 2025 - 087",
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            "description": "Part of an arena tournament - 2025. 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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                "id": 13655,
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                "summary": "Organising arena-type handicap correspondence tournaments.",
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                "hide_details": false,
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "started": "2025-10-29T08:22:14.870254Z",
            "ended": "2026-04-14T21:28:03.862673Z",
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        {
            "id": 132210,
            "name": "Zodiac Tournament : Libra 2025",
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                "id": 1015821,
                "username": "TimSeok",
                "country": "_United_Nations",
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            "description": "One tournament for each astrological signs of the Zodiac.\n\n<b>***The two finalists from each sign will be invited to the ‘Master of the Zodiac’ tournament as soon as there are at least 8 participants.***</b>\n\n<b>Be carreful about the time settings.</b>\n\nUse the conditional move feature to speed up the game. No pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\nFeel free to give tips to your partner after the game. That’s how we can improve :)\n\nPlease no bots. The use of AI is not allowed.\n\n<h3>Title holder :</h3>\n\n<br><b><a href=\"\">Libra</a></b> :\n<br><b><a href=\"\">Scorpio</a></b> :\n<br><b><a href=\"\">Sagittarius</a></b> :\n<br><b><a href=\"\">Capricornus</a></b> :\n<br><b><a href=\"\">Aquarius</a></b> : \n<br><b><a href=\"\">Pisces</a></b> : \n<br><b><a href=\"\">Aeris</a></b> :\n<br><b><a href=\"\">Taurus</a></b> :\n<br><b><a href=\"https://online-go.com/tournament/128666\">Gemini</a></b> : <a href=\"https://online-go.com/player/244036/wurf3\">Wurf3</a>\n<br><b><a href=\"https://online-go.com/tournament/129225\">Cancer</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/130235\">Lion</a></b> : On going\n<br><b><a href=\"https://online-go.com/tournament/131162\">Virgo</a></b> : On going",
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            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
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            "time_per_move": 27251,
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                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 25200,
                "initial_time": 259200,
                "max_time": 259200
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            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
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                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "time_start": "2025-09-23T07:00:00Z",
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            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
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            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
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            "ended": "2026-03-26T12:32:04.776079Z",
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        {
            "id": 135646,
            "name": "第六回ほたて会【ゆるめ部門】1",
            "director": {
                "id": 1609909,
                "username": "ほたて囲碁教室",
                "country": "jp",
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            "description": "日時:令和7年12月28日(日)16:00~17:00\n\n対局開始方法:お時間になりますと、自動で対局が開始されます。OGSを開いてお待ち下さい。\n\n対局方法:【通信対局】で1局打つ\n\n着手方法:盤面ワンクリックで着手(打ち間違いに気をつけて下さい)or 盤面に石を打って画面右上のユーザー名下にある「着手決定」をクリック ※皆様のOGSの【通信対局】設定により変わります\n\nzoom:使用しません\n\n飲食:自由\n\n対局中に席を離れても大丈夫です\n\n解散方法:対局が終わり次第、各自終了です\n\n結果:この画面に表示されます and ほたて先生から報告します。\n\nこのリーグの参加者は↓↓\n\nnem2 高知県 20級\n\nほたる 香川県 20級",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
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