List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_start&page=5683
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=time_start&page=5682",
    "results": [
        {
            "id": 140492,
            "name": "“就爱挑战极限的我们”  特别季 中级组 组别一",
            "director": {
                "id": 1250228,
                "username": "Xuan Tian",
                "country": "my",
                "icon": "https://secure.gravatar.com/avatar/80dc35d1767b37d01fdf02be62fa5602?s=64&d=retro",
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                "ui_class": ""
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            "description": "19至14级的棋友,如有兴趣请在组别一和二选择一组报名",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
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            "rules": "japanese",
            "time_per_move": 91187,
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                "periods": 5
            },
            "is_open": true,
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            "group": {
                "id": 16280,
                "name": "我们的友谊赛  Our friendly match",
                "summary": "A place to have a friendly match ",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 43,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-07-10T13:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 11,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": null,
            "ended": null,
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            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 141275,
            "name": "турнир группы RUSSIAN GO .O MM. для игроков с неизвестным рейтингом",
            "director": {
                "id": 1574760,
                "username": "Leoprogo",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/f21df45f49daaa0061ae30be49eeb3ce-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
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                        "deviation": 61.020541580776616,
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                },
                "ranking": 19.48262053446848,
                "professional": false,
                "ui_class": ""
            },
            "description": "Турнир для тех, у кого рейтинг под вопросом. Просьба тем, у кого есть рейтинг не подключатся!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
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                "period_time": 86400,
                "periods": 5
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            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14579,
                "name": "RUSSIAN GO ⚪🔵🔴",
                "summary": "Турниры, обучение го (вейчи) и друзья.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 48,
                "icon": "https://user-uploads.online-go.com/b1f500bb395e661172848f407e2a736d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-07-10T21:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": null,
            "ended": null,
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            "player_count": 0,
            "ranked": true
        },
        {
            "id": 141512,
            "name": "Fast no vacation tournament",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
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                "ranking": 15.870104139943297,
                "professional": false,
                "ui_class": "supporter"
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            "description": "Fast tournament, no vacation.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 43884,
            "time_control_parameters": {
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                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 86400
            },
            "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,
                "member_count": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
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            "auto_start_on_max": true,
            "time_start": "2026-07-11T17:00:00Z",
            "players_start": 20,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
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            "analysis_enabled": true,
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            "started": null,
            "ended": null,
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        {
            "id": 141021,
            "name": "Meijin Nines Title Tournament 2025",
            "director": {
                "id": 40318,
                "username": "gamesorry",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
                "ratings": {
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                        "volatility": 0.06015938835110416
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                "ranking": 31.103995683001028,
                "professional": false,
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            "description": "Meijin Nines Title Tournament 2025\n\nTitle Holder: <a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Nines Meijin] x2</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">\n\tTitle Tournament Winner\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_9.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_9.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place\n\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_9.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2385'>2008</a></td>\n\t<td><b>Teldris</b></td><td></td><td></td>\n\t<td><b>Teldris (3k)</b></td><td>Akimoon (1k)</td><td>littleman (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2401'>2009</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>Teldris</td>\n\t<td><b>KlausP (3d)</b></td><td>RaikB (9k)</td><td>smed (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2417'>2010</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>illluck</td>\n\t<td><b>KlausP (3d)</b></td><td>illluck (1d)</td><td>mouton (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2433'>2011</a></td>\n\t<td><b>KlausP</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>vitality (5d)</b></td><td>KlausP (3d)</td><td>FernandoPR (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2455'>2012</a></td>\n\t<td><b>pollemand</b></td><td>&lowast;</td><td>KlausP</td>\n\t<td><b>pollemand (3d)</b></td><td>Adonroid (1k)</td><td>vitality (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2473'>2013</a></td>\n\t<td><b>pollemand</b></td><td>5-0</td><td>yanpin</td>\n\t<td><b>yanpin (2d)</b></td><td>vitality (5d)</td><td>jukucho (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2493'>2014</a></td>\n\t<td><b>drmwc</b></td><td>&lowast;</td><td>pollemand</td>\n\t<td><b>drmwc (6d)</b></td><td>gamesorry (3d)</td><td>devariot (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4532'>2015</a></td>\n\t<td><b>mark5000</b></td><td>3-2</td><td>drmwc</td>\n\t<td><b>mark5000 (2d)</b></td><td>一只安东尼 (3d)</td><td>Hikachu (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/13886'>2016</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>3-0</td>\n\t<td>dexy</td>\n\t<td><b>dexy (1d)</b></td>\n\t<td>mark5000 (2d)</td>\n\t<td>zebra (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/23980'>2017</a></td>\n\t<td><b>mark5000</b></td>\n\t<td><a href='https://online-go.com/game/11573150'>3-2</a></td>\n\t<td>Sadaharu</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>gamesorry (4d)</td>\n\t<td>silk (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/33908'>2018</a></td>\n\t<td><b>smurph</b></td>\n\t<td><a href='https://online-go.com/game/17730520'>4-1</a></td>\n\t<td>mark5000</td>\n\t<td><b>smurph (6d)</b></td>\n\t<td>Baklan (7d)</td>\n\t<td>Lomis (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/43368'>2019</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/73465'>5-0 (&lowast;)</a></td>\n\t<td>Baklan</td>\n\t<td><b>Sadaharu [9d]</b></td>\n\t<td>Baklan [6d]</td>\n\t<td>Borealiz [7d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/56359'>2020</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/87350'>5-0</a></td>\n\t<td>Myosu</td>\n\t<td><b>Myosu [6d]</b></td>\n\t<td>AlGebr [3d]</td>\n\t<td>lovecall [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/69385'>2021</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td>zanio</td>\n\t<td><b>Sadaharu [5d]</b></td>\n\t<td>zanio [2k]</td>\n\t<td>Novakun [4d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/86186'>2022</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Novakun [6d]</b></td>\n\t<td>Rise. [3d]</td>\n\t<td>まいどー(^笑^)/ [3d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/100555'>2023</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>wxwxw [2d]</b></td>\n\t<td>Celie63125 [5d]</td>\n\t<td>mark5000 [5d]</td>\n</tr>\n</table>\n\n&lowast; means the games were finished by timeout or retirement. Old OGS ranks are displayed for cycles 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.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 107733,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "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": 2987,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-07-13T06:00:00Z",
            "players_start": 50,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 141022,
            "name": "Meijin Handicap Title Tournament 2024",
            "director": {
                "id": 40318,
                "username": "gamesorry",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2012.1989122636944,
                        "deviation": 66.87157068355577,
                        "volatility": 0.06015938835110416
                    }
                },
                "ranking": 31.103995683001028,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Meijin Handicap Title Tournament 2024\n\nTitle Holder: <a style=\"color:green\" href='https://online-go.com/user/view/34056/csaba'>csaba [Handicap Meijin] x4</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">\n\tTitle Tournament Winner\n\t\t<img src='https://web.archive.org/web/20130811133657im_/http://online-go.com/images/award_images/1/h1.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up\n\t\t<img src='https://web.archive.org/web/20130820061650im_/http://online-go.com/images/award_images/1/h2.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place\n\t<img src='https://web.archive.org/web/20130820061650im_/http://online-go.com/images/award_images/1/h3.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2386'>2008</a></td>\n\t<td><b>kavias</b></td><td></td><td></td>\n\t<td><b>kavias (6k)</b></td><td>Dyonn</td><td>dorota</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2402'>2009</a></td>\n\t<td><b>chousile</b>,<b>Dyonn</b>,<b>ChradH</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>chousile (5k)</b>,<b>Dyonn (6k)</b>,<b>ChradH (9k)</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2418'>2010</a></td>\n\t<td><b>GnuGo</b></td><td></td><td></td>\n\t<td><b>GnuGo (12k)</b></td><td>enkarito</td><td>James02</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2434'>2011</a></td>\n\t<td><b>ShaiKun</b></td><td></td><td></td>\n\t<td><b>ShaiKun (14k)</b></td><td>Meic</td><td>maproom</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2456'>2012</a></td>\n\t<td><b>csaba</b></td><td></td><td></td>\n\t<td><b>csaba (7k)</b></td><td>Alex666</td><td>Mist-e-Fire</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2474'>2013</a></td>\n\t<td><b>csaba</b></td><td>3-2</td><td>Bar</td>\n\t<td><b>Bar (4k)</b></td><td>diBlase</td><td>Ingrid</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2494'>2014</a></td>\n\t<td><b>csaba</b></td><td>5-0</td><td>opex</td>\n\t<td><b>opex (7k)</b></td><td>Go2master</td><td>b263</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/16273'>2016</a></td>\n\t<td><b>csaba</b></td>\n\t<td>4-1</td>\n\t<td>Joachim Schmidt</td>\n\t<td><b>pchoo (5k)</b></td>\n\t<td>Joachim Schmidt (6k)</td>\n\t<td>startstek (8k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/40969'>2018</a></td>\n\t<td></td>\n\t<td>(TBA)</td>\n\t<td></td>\n\t<td><b>Mrrr [1d]</b></td>\n\t<td>Сергей 71 [2k]</td>\n\t<td>AnryNDM [7k]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/64661'>2020</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>ecore [9k]</b></td>\n\t<td>Inoueian [3d]</td>\n\t<td>Folgiro [4k]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/95647'>2022</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>rabies [4k]</b></td>\n\t<td>schegol71 [2k]</td>\n\t<td>tegais [5d]</td>\n</tr>\n</table>\n\n&lowast; means the games were finished by timeout or retiring.\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.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 91187,
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