List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5855
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58838,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5856",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5854",
    "results": [
        {
            "id": 61445,
            "name": "Beginners Correspondence 9x9 2020-06-04",
            "director": {
                "id": 748555,
                "username": "EfimMorozov",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/ef756d01b404f71e4436d12346fea256-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1347.64659919189,
                        "deviation": 65.26842296142198,
                        "volatility": 0.060160473087010204
                    }
                },
                "ranking": 21.82389456211891,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's play all the beginners",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 143,
                "name": "Deutsche Gruppe",
                "summary": "Die Gruppe für alle Deutschsprachigen.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 764,
                "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-04T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-04T12:00:19.631398Z",
            "ended": "2020-08-13T06:56:48.688425Z",
            "start_waiting": "2020-06-04T12:00:14.938504Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 123077,
            "name": "Servus Oida Open Tournament #9",
            "director": {
                "id": 1285178,
                "username": "VikingKoala",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.5706632986364,
                        "deviation": 63.47745822187002,
                        "volatility": 0.05970910787393316
                    }
                },
                "ranking": 16.102964968342178,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "McMahon Kyu Player Tournament",
            "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",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5720,
                "name": "Outside Go7",
                "summary": "Die Gruppe für alle, die sonst im Go7 spielen.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-11T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-10T17:05:41.578431Z",
            "ended": "2025-05-29T06:55:03.706020Z",
            "start_waiting": "2025-02-10T17:05:41.353733Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 102815,
            "name": "FUND 1",
            "director": {
                "id": 832318,
                "username": "miguel0204",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/471c6f87781deced9d324ef7093a8382?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.670812969506,
                        "deviation": 61.96278343104568,
                        "volatility": 0.0600571448737951
                    }
                },
                "ranking": 24.17447683792703,
                "professional": false,
                "ui_class": ""
            },
            "description": "FUND 1",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13117,
                "name": "alunos verissimo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 102,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-05-02T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-05-02T14:10:11.289697Z",
            "ended": "2023-05-02T14:38:51.563022Z",
            "start_waiting": "2023-05-02T14:10:11.210295Z",
            "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": 132158,
            "name": "SPMS 1st Internal Holiday Tournament",
            "director": {
                "id": 1640355,
                "username": "Jxmeen",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/c5389eaa972e9dbf1be046e179c3d68a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1278.8474909084346,
                        "deviation": 63.40216235751937,
                        "volatility": 0.059996834135477885
                    }
                },
                "ranking": 20.61082213648176,
                "professional": false,
                "ui_class": ""
            },
            "description": "errrrr",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 17,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 900,
                "max_time": 10800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15657,
                "name": "SPMS Weiqi AY25/26 Exco-Subcomm",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-09-06T15:20:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-09-06T15:07:26.120407Z",
            "ended": "2025-09-06T17:41:43.682501Z",
            "start_waiting": "2025-09-06T15:07:26.021411Z",
            "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": 2036,
            "name": "Newbigin's mini-midfield",
            "director": {
                "id": 46626,
                "username": "Newbigin",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/d505645a381616621508f882b66093c6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1426.858898192516,
                        "deviation": 67.27697327021836,
                        "volatility": 0.05999433959825994
                    }
                },
                "ranking": 23.146121679643088,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 3,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-11-30T08:28:59Z",
            "ended": "2012-11-30T07:28:59Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2037,
            "name": "deguoren's mini-tournament",
            "director": {
                "id": 28523,
                "username": "deguoren",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fbc98d14f3310062834ec116a9a07683?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1827.82236601581,
                        "deviation": 64.91225772635146,
                        "volatility": 0.06003268193684833
                    }
                },
                "ranking": 28.879215493835027,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 14,
            "max_ranking": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-07-05T06:20:44Z",
            "ended": "2013-07-05T04:20:44Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2018,
            "name": "selbstlaut's mini-tournament",
            "director": {
                "id": 883,
                "username": "selbstlaut",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/54b69e1ce84e7c2a03ab2c62d61867d6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1546.1174976707032,
                        "deviation": 63.344458756574205,
                        "volatility": 0.05992578573870598
                    }
                },
                "ranking": 25.004406783927063,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 8,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-12-17T08:30:34Z",
            "ended": "2012-12-17T07:30:34Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 110833,
            "name": "correspondence time tournament",
            "director": {
                "id": 1483970,
                "username": "IIIIIIIIIIIIIIIIIIIII",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/5b134e7e6cb7337ee64af9cff281ed22?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1067.597936745748,
                        "deviation": 111.66201160406058,
                        "volatility": 0.0599994592819813
                    }
                },
                "ranking": 16.431134346871215,
                "professional": false,
                "ui_class": ""
            },
            "description": "correspondence time tournament #1",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 96625,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13894,
                "name": "Group for Tournaments and Ladders",
                "summary": "This group for tournaments and ladders",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-21T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-03T10:50:33.911437Z",
            "ended": "2025-01-01T16:22:37.495355Z",
            "start_waiting": "2024-11-03T10:50:33.816472Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 99956,
            "name": "VFNPNV 2023.FEB 19X19 tournament 4K~2K",
            "director": {
                "id": 1283005,
                "username": "dorawindy",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/4b3228733c358d9bdd3d2fe0e6c829ac?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1161.9988927634927,
                        "deviation": 87.05621796374369,
                        "volatility": 0.05999810004043265
                    }
                },
                "ranking": 18.392645413106152,
                "professional": false,
                "ui_class": ""
            },
            "description": "Very fast, No pauses, No Vacation.\n\nWelcome and have fun :)\n\nPauses are not allowed.                                      \nPauses are not allowed.                                      \nPauses are not allowed.                                      \n\nTo make gaming more efficient, please pay attention to the time.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 5471,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 691200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12824,
                "name": "Way to GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-24T16:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 26,
            "max_ranking": 28,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-12T09:41:55.315126Z",
            "ended": "2023-03-30T16:35:40.776048Z",
            "start_waiting": "2023-02-12T09:41:54.681254Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 31472,
            "name": "Oza Treizes Title Tournament 2018",
            "director": {
                "id": 40318,
                "username": "gamesorry",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1995.719624534026,
                        "deviation": 68.02965633278002,
                        "volatility": 0.06015733969046198
                    }
                },
                "ranking": 30.913623719446058,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Oza Treizes Title Tournament 2018\n\nTitle Holder:\n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/'>Sadaharu [Treizes Oza]</a>\n\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='http://i.imgur.com/kVzSrke.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='http://i.imgur.com/ta7bMkV.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='http://i.imgur.com/HtQoWtV.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/9743'>2016</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>hiryuu (4k)</td>\n\t<td>mark5000 (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20807'>2017</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 3</td>\n\t<td></td>\n</tr>\n</table>",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "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": 2965,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-01-22T05:40:00Z",
            "players_start": 100,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-01-22T05:41:01.587383Z",
            "ended": "2019-04-22T17:30:11.411557Z",
            "start_waiting": "2018-01-22T05:40:23.390907Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 114,
            "ranked": true
        }
    ]
}