List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=338
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59078,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=339",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=337",
    "results": [
        {
            "id": 2891,
            "name": "GoStars test 9x9",
            "director": {
                "id": 41779,
                "username": "Pestr",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/82653b1abcea29fa4dc624ccb7fc55a8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1186.6960453692122,
                        "deviation": 61.28310412750502,
                        "volatility": 0.05993668586992739
                    }
                },
                "ranking": 18.87952018555231,
                "professional": false,
                "ui_class": ""
            },
            "description": "Тестовый турнир сайта gostars.ru.\nНачало 1 мая 2014 г.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9,
                "name": "Русская группа",
                "summary": "Интересные, призовые турниры.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1953,
                "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-04-30T20:05:20.937961Z",
            "ended": "2014-08-02T20:47:38.687503Z",
            "start_waiting": "2014-04-30T20:05:19.023897Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 105093,
            "name": "Tournament in October",
            "director": {
                "id": 1065846,
                "username": "OreoHam777",
                "country": "nz",
                "icon": "https://secure.gravatar.com/avatar/001a38e123f0edfca9543faacae7865f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1442.0911710199657,
                        "deviation": 60.525251779380696,
                        "volatility": 0.05994262403078612
                    }
                },
                "ranking": 23.391947100744954,
                "professional": false,
                "ui_class": ""
            },
            "description": "May's been over for such a long time and whereas my tournament hasn't. I've missed June, but here is the October tournament, a slightly different one...",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 10593,
                "name": "Felix the Phoenix's Go Club of Fun",
                "summary": "Felix the Phoenix's Go Club of Fun is a social club which allows players to game, chat and have fun. I hope you'll have a great time in the club!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-06T22:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-06T22:00:35.120615Z",
            "ended": "2026-01-16T21:40:50.171724Z",
            "start_waiting": "2023-10-06T22:00:33.811399Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-15.png",
            "player_count": 25,
            "ranked": true
        },
        {
            "id": 117202,
            "name": "Monday Morning 19x19 #37",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #37 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "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.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-07-22T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-07-22T08:00:00.800406Z",
            "ended": "2025-03-02T14:25:11.558638Z",
            "start_waiting": "2024-07-22T08:00:00.643997Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 2890,
            "name": "Title match for: Mingren Nines Title Tournament 2013",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Title match for: Mingren Nines Title Tournament 2013 (gamesorry vs pollemand)",
            "schedule": null,
            "title": {
                "id": 11,
                "name": "Mingren Nines Title Tournament",
                "holder": {
                    "id": 40094,
                    "username": "pollemand",
                    "country": "dk",
                    "icon": "https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 2171.89178460396,
                            "deviation": 69.05182806949152,
                            "volatility": 0.060035483123523053
                        }
                    },
                    "ranking": 32.87197200792104,
                    "professional": false,
                    "ui_class": ""
                },
                "rules": "chinese",
                "tournament_type": "s_elimination"
            },
            "tournament_type": "s_title",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-04-16T14:20:01.049821Z",
            "ended": "2014-07-26T06:41:00.285941Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/mingren_9.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2893,
            "name": "Copa Cautes",
            "director": {
                "id": 61559,
                "username": "Phileas",
                "country": "eu",
                "icon": "https://secure.gravatar.com/avatar/269dad27893a998f4d11f2113fbe2197?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1360.7871820045884,
                        "deviation": 88.76323352351713,
                        "volatility": 0.06000298572696773
                    }
                },
                "ranking": 22.04853131061607,
                "professional": false,
                "ui_class": ""
            },
            "description": "Un torneo neoveneciano ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "ing",
            "time_per_move": 43,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 1200,
                "periods": 100
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 231,
                "name": "Aesir, Vanir and friends",
                "summary": "Una salica de esta web para jugar nosotros, en circuito cerrado.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/da673b9f463fd7c5276b8df1a513e882-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2014-04-21T18:42:40.224506Z",
            "ended": "2014-04-22T11:39:21.782794Z",
            "start_waiting": "2014-04-21T18:42:39.911257Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/da673b9f463fd7c5276b8df1a513e882-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 6,
            "name": "Nova Inaugural 9k and Up Correspondence Tournament",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Welcome to Nova's Inaugural correspondence tournament for 9k and up players. This tournament will begin on Monday May 27th.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": null,
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2013-05-27T14:43:08.738852Z",
            "ended": "2014-02-28T08:33:51.648383Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 123887,
            "name": "Correspondence #3 9x9",
            "director": {
                "id": 1672844,
                "username": "deleted-b9b59e78-7fe2-421b-9592-08ffce621348",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 800.7266229935348,
                        "deviation": 70.04385716130463,
                        "volatility": 0.060331232367038926
                    }
                },
                "ranking": 9.772108826139116,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 tournament, and you know, it correspondence.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 14868,
                "name": "Study group 9x9, 13x13, 19x19",
                "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-03T15:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-01-03T15:30:36.367075Z",
            "ended": "2025-01-19T21:52:55.265931Z",
            "start_waiting": "2025-01-03T15:30:36.254079Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 122991,
            "name": "9x9 League 16k~9k #1",
            "director": {
                "id": 1670044,
                "username": "Arrow A6",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/19c38d84d5fe783ec97cf150f55975ce?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "9x9 League 16k~9k #1",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 95543,
            "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": true,
            "group": {
                "id": 14857,
                "name": "9x9 League",
                "summary": "<a href=\"https://info.flagcounter.com/dbAS\"><img src=\"https://s01.flagcounter.com/mini/dbAS/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-10T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 14,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-10T04:00:11.923334Z",
            "ended": "2025-02-16T20:18:35.987504Z",
            "start_waiting": "2024-12-10T04:00:11.801464Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 2629,
            "name": "GO Basics Swiss Correspondence 9x9",
            "director": {
                "id": 55,
                "username": "RoadHobo",
                "country": "_Pirate",
                "icon": "https://secure.gravatar.com/avatar/e55cc679f2b9a76927782680058168ed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1387.3991114591252,
                        "deviation": 74.83343692369397,
                        "volatility": 0.060064431794117246
                    }
                },
                "ranking": 22.49688914242659,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fun Fun Fun 9x9 tournament for Beginners",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 86400,
                "main_time": 259200,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17866,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 12,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2013-11-15T04:22:58.045555Z",
            "ended": "2015-06-22T15:43:43.870435Z",
            "start_waiting": "2013-11-15T04:22:57.934062Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 8,
            "name": "Basics Brawl",
            "director": {
                "id": 55,
                "username": "RoadHobo",
                "country": "_Pirate",
                "icon": "https://secure.gravatar.com/avatar/e55cc679f2b9a76927782680058168ed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1387.3991114591252,
                        "deviation": 74.83343692369397,
                        "volatility": 0.060064431794117246
                    }
                },
                "ranking": 22.49688914242659,
                "professional": false,
                "ui_class": ""
            },
            "description": "This small tournament is limited to 5 players. All games will be reviewed within 1 week of completion.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10800,
            "time_control_parameters": null,
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17866,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-05-25T20:34:09.306945Z",
            "ended": "2013-06-28T13:16:57.333030Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        }
    ]
}