List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=4538
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59186,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=4539",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=4537",
    "results": [
        {
            "id": 135377,
            "name": "Turneul de socializare nr. 1",
            "director": {
                "id": 1915369,
                "username": "Boddah1985",
                "country": "ro",
                "icon": "https://user-uploads.online-go.com/8ffcc2b3b53a1bf51c702ef1a4d93ba2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 557.9223096778387,
                        "deviation": 81.25627145315516,
                        "volatility": 0.05998336347109721
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Salut,\n\nSunt nou pe site, am inceput sa invat jocul acum cateva saptamani si m-as bucura sa joc cu cat mai multi romani, indiferent de nivel.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 30,
                "name": "România",
                "summary": "Grupul romanilor de pe OGS.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 111,
                "icon": "https://user-uploads.online-go.com/76902c1bdd5a6f9fc13afbb21ce2f1f2-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-17T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-17T03:56:16.752765Z",
            "ended": null,
            "start_waiting": "2025-12-17T03:56:16.648651Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/76902c1bdd5a6f9fc13afbb21ce2f1f2-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 38964,
            "name": "2018 All Rounder - 13x13 Tournament",
            "director": {
                "id": 550437,
                "username": "marblevolcano3",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/745aa18c4bd1914b06f9e00d9fdc1d9e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "This is the 13x13 Tournament for the All Rounder series I have created. Join the 9x9 and 19x19 tournaments, and scores will be averaged across all three to find the true All Rounder of OGS. Good luck!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 2969,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-07-17T10:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-07-17T10:00:38.193471Z",
            "ended": "2019-04-23T22:36:51.488995Z",
            "start_waiting": "2018-07-17T10:00:36.726632Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 77839,
            "name": "ATTACK ON GO session 2",
            "director": {
                "id": 750170,
                "username": "KXD",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/b07ba91a11584321d88e18bbc5cfe173-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1262.249259641091,
                        "deviation": 65.45997172935368,
                        "volatility": 0.06035699443317552
                    }
                },
                "ranking": 20.308390110879476,
                "professional": false,
                "ui_class": ""
            },
            "description": "Mhhhhhhhhh",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5986,
                "name": "Go ⚫️⚪️",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/58ad3a859eec25a817d03bd6755c3f55-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-21T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-21T09:00:26.938376Z",
            "ended": "2021-07-21T09:12:58.737020Z",
            "start_waiting": "2021-07-21T09:00:26.570013Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/58ad3a859eec25a817d03bd6755c3f55-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 74098,
            "name": "19/4 比賽C",
            "director": {
                "id": 882228,
                "username": "傳碁學園-學校",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2016.3242760584894,
                        "deviation": 321.66454188869955,
                        "volatility": 0.06000670794039896
                    }
                },
                "ranking": 31.15140869306353,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "19/4 比賽C",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 15,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7434,
                "name": "石鐘山圍棋課",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 21,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-04-19T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-04-19T07:11:51.180676Z",
            "ended": "2021-04-19T07:35:01.797280Z",
            "start_waiting": "2021-04-19T07:11:51.096490Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 59364,
            "name": "SanRenSei KG Cup",
            "director": {
                "id": 727893,
                "username": "Sengoku KG",
                "country": "kg",
                "icon": "https://user-uploads.online-go.com/46ee95a1e6b1e96dcbc11c2317550dfa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1988.4990406544418,
                        "deviation": 66.50446509263294,
                        "volatility": 0.06000978719603035
                    }
                },
                "ranking": 30.829714318951975,
                "professional": false,
                "ui_class": ""
            },
            "description": "Первый турнир в истории клуба)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 73,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 60,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4725,
                "name": "Sengoku KG",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 107,
                "icon": "https://user-uploads.online-go.com/c1ce4f8b8e7d2f15c28af4aced86ec5e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-20T14:15:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-20T14:10:48.732549Z",
            "ended": "2020-04-20T15:20:59.048049Z",
            "start_waiting": "2020-04-20T14:10:47.767970Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1ce4f8b8e7d2f15c28af4aced86ec5e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 68858,
            "name": "12月12日 上午常規C班",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "12月12日 上午常規C班",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 900
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-12-12T03:50:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-12-12T03:46:54.868417Z",
            "ended": "2020-12-12T04:31:18.540882Z",
            "start_waiting": "2020-12-12T03:46:54.642776Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 56982,
            "name": "The First House Tournament",
            "director": {
                "id": 444278,
                "username": "Haze with a Z",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/02656380a3a787e02316603bdfc6be88-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1029.8388188079111,
                        "deviation": 67.94999787085683,
                        "volatility": 0.060040733701657904
                    }
                },
                "ranking": 15.597528253196192,
                "professional": false,
                "ui_class": ""
            },
            "description": "Our First Go House Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4456,
                "name": "Our Go House",
                "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 159,
                "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-02-28T03:59:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-02-28T03:59:46.897383Z",
            "ended": "2020-03-24T20:59:32.437462Z",
            "start_waiting": "2020-02-28T03:59:46.631040Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 70286,
            "name": "Shogi 将棋 9x9 XXXIX",
            "director": {
                "id": 697149,
                "username": "deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17",
                "country": "se",
                "icon": "https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1665.2715388700315,
                        "deviation": 71.21323820073493,
                        "volatility": 0.0598806998975717
                    }
                },
                "ranking": 26.723091679426847,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 935,
                "name": "Shogi 81Dojo",
                "summary": "Group for Shogi players on 81Dojo",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-05T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-05T17:00:37.234329Z",
            "ended": "2021-04-30T02:50:55.421927Z",
            "start_waiting": "2021-02-05T17:00:36.935301Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 58641,
            "name": "Easter",
            "director": {
                "id": 588997,
                "username": "RooneyXU",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/bfcf17b0ea7c4a46d59300c3ec2bf369?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2340.08131780277,
                        "deviation": 67.32451957604714,
                        "volatility": 0.060070049058257774
                    }
                },
                "ranking": 34.59866342059694,
                "professional": false,
                "ui_class": ""
            },
            "description": "Easter holiday】",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5104,
                "name": "Cambridge",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-08T17:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-08T17:00:11.431621Z",
            "ended": "2020-12-15T21:28:10.735919Z",
            "start_waiting": "2020-04-08T17:00:09.773919Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 96938,
            "name": "Mingren Main Title Tournament 2022",
            "director": {
                "id": 40318,
                "username": "gamesorry",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2004.4188438214221,
                        "deviation": 67.71437067217448,
                        "volatility": 0.06015576961047741
                    }
                },
                "ranking": 31.014313855840236,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Mingren Main Title Tournament 2022\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/28520/'>yopology [Mingren] 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\">Title Tournament Winner<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_19.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_19.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 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\t<td><a href='https://online-go.com/tournament/2378'>2007</a></td>\n\t<td><b>gomad361</b></td><td></td><td></td>\n\t<td><b>gomad361 (2d)</b></td><td>davos (3d)</td><td>doubleR (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2394'>2008</a></td>\n\t<td><b>gomad361</b></td><td>&lowast;</td><td>KyuT</td>\n\t<td><b>KyuT (4d)</b></td><td>morituri (2d)</td><td>betterlife (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2409'>2009</a></td>\n\t<td><b>Rathbone</b></td><td>3-2</td><td>gomad361</td>\n\t<td><b>Rathbone (4d)</b></td><td>Uberdude (6d)</td><td>betterlife (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2425'>2010</a></td>\n\t<td><b>Rathbone</b></td><td>5-0</td><td>Elin</td>\n\t<td><b>Rathbone (4d)</b></td><td>Elin (3d)</td><td>gomad361 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2441'>2011</a></td>\n\t<td><b>vitality</b></td><td>&lowast;</td><td>Rathbone</td>\n\t<td><b>vitality (5d)</b></td><td>fabu (1d)</td><td>gojohn (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2462'>2012</a></td>\n\t<td><b>Sadaharu</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>Sadaharu (5d)</b></td><td>vitality (5d)</td><td>shilba (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2481'>2013</a></td>\n\t<td><b>gogop2016</b></td>\n\t<td>3-2 (&lowast;)</td>\n\t<td>Sadaharu</td>\n\t<td><b>gogop2016 (3d)</b></td><td>naptod (2k)</td><td>Erproxy (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4531'>2014</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>5-0 (&lowast;)</td>\n\t<td>gogop2016</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>MagariSimoku (9d)</td>\n\t<td>mark5000 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/14332'>2015</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>5-0 (&lowast;)</td>\n\t<td>vor09</td>\n\t<td><b>vor09 (2d)</b></td>\n\t<td>SanDiego (2d)</td>\n\t<td>gamesorry (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/23682'>2016</a></td>\n\t<td><b>yopology</b></td>\n\t<td><a href='https://online-go.com/tournament/66126'>5-0</a></td>\n\t<td>Peyrauba</td>\n\t<td><b>micky0427 (5d)</b></td>\n\t<td>Winterfell (7d)</td>\n\t<td># (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/30642'>2017</a></td>\n\t<td><b>yopology</b></td>\n\t<td><a href='https://online-go.com/tournament/73970'>4-1</a> (&lowast;)</td>\n\t<td>Puffin888</td>\n\t<td><b>rzhang20877 [9d]</b></td>\n\t<td>zirth [9d]</td>\n\t<td>Puffin888 [6d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/42054'>2018</a></td>\n\t<td></td>\n\t<td>(TBA)</td>\n\t<td></td>\n\t<td><b>palusijf [6d]</b></td>\n\t<td>Neandertaler [4d]</td>\n\t<td>bigko [7d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/53126'>2019</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>drmwc [6d]</td>\n\t<td>husrev [7d]</td>\n\t<td>Ryogishiki [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/67259'>2020</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>gs2020 [4d]</td>\n\t<td>sha7 [5d]</td>\n\t<td>Sadaharu [6d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/83359'>2021</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 1</td>\n\t<td></td>\n\t<td></td>\n</tr>\n</table>\n\nNotes: \n- &lowast; means some or all games were ended by timeout or retirement.\n- Old OGS ranks are displayed for cycles before 2014.\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": "chinese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "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": 2969,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-04T00:00:00Z",
            "players_start": 150,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-04T00:00:10.711687Z",
            "ended": "2025-08-21T17:40:37.922004Z",
            "start_waiting": "2023-01-04T00:00:01.129901Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 154,
            "ranked": true
        }
    ]
}