List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1718
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60785,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1719",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1717",
    "results": [
        {
            "id": 69002,
            "name": "Eurocitrus the Tournament",
            "director": {
                "id": 482594,
                "username": "Chamo Morimoto",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/e674d26105cb6e32a67a6f70cc338707-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1261.9006331825813,
                        "deviation": 62.47668020615661,
                        "volatility": 0.0597378569114592
                    }
                },
                "ranking": 20.30199532221121,
                "professional": false,
                "ui_class": ""
            },
            "description": "Viel Spaß allerseits!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 49,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 360,
                "period_time": 45,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7577,
                "name": "Akademischer Gesangverein München",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/e77140823edef2d41b3227b8398854b6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-15T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-15T20:43:43.753650Z",
            "ended": "2020-12-15T22:14:56.053779Z",
            "start_waiting": "2020-12-15T20:43:43.616394Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e77140823edef2d41b3227b8398854b6-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 124854,
            "name": "9x9 New Zealand Handicap League #12",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Handicap games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "nz",
            "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": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 80,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-27T04:09:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-25T15:40:04.250496Z",
            "ended": "2025-04-23T16:16:51.667706Z",
            "start_waiting": "2025-02-25T15:40:03.471166Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 70750,
            "name": "1月30日 方航 VS 葉子齊",
            "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": "1月30日 方航 VS 葉子齊",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 15,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-01-30T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-01-30T08:21:17.753027Z",
            "ended": "2021-01-30T09:05:10.595937Z",
            "start_waiting": "2021-01-30T08:21:17.660949Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 63381,
            "name": "Braila Blitz 19x19 Fisher time- ed4 dublu Knock-Out",
            "director": {
                "id": 464199,
                "username": "dr.toma",
                "country": "ro",
                "icon": "https://secure.gravatar.com/avatar/0a3da26e9a517da4b0a4fb4ba8e80dc1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1741.8434466986905,
                        "deviation": 64.05123808348708,
                        "volatility": 0.06005569788307324
                    }
                },
                "ranking": 27.763818634281957,
                "professional": false,
                "ui_class": ""
            },
            "description": "Braila Blitz 19x19 Fisher time- ed4 dublu Knock-Out",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 15,
                "initial_time": 150,
                "max_time": 150
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2993,
                "name": "Asociația de Go Brăila",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 26,
                "icon": "https://user-uploads.online-go.com/97a4fe5337f2c4f846c9bfa27ce9e6c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-25T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-25T18:00:31.318880Z",
            "ended": "2020-07-25T19:17:03.630987Z",
            "start_waiting": "2020-07-25T18:00:30.939032Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/97a4fe5337f2c4f846c9bfa27ce9e6c7-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63476,
            "name": "Braila Blitz 9x9 Canadian time- ed4",
            "director": {
                "id": 90428,
                "username": "ehomba",
                "country": "ro",
                "icon": "https://user-uploads.online-go.com/c698091e4749dc44f560e1d52fc16a15-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1522.6082058521895,
                        "deviation": 64.18514127384306,
                        "volatility": 0.05993614217819234
                    }
                },
                "ranking": 24.649698800433498,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Braila Blitz 9x9 Canadian time- ed4",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 6,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 30,
                "stones_per_period": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2993,
                "name": "Asociația de Go Brăila",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 26,
                "icon": "https://user-uploads.online-go.com/97a4fe5337f2c4f846c9bfa27ce9e6c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-26T18:02:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-26T18:02:37.485068Z",
            "ended": "2020-07-26T18:14:41.373215Z",
            "start_waiting": "2020-07-26T18:02:36.509347Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/97a4fe5337f2c4f846c9bfa27ce9e6c7-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 63068,
            "name": "Первый быстрый турнир 9x9 в 19:30",
            "director": {
                "id": 796491,
                "username": "Shepelev",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/df07fff8185c8bf3e4c05cebc2097f53-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1198.5300867994024,
                        "deviation": 62.08724174870528,
                        "volatility": 0.060055841677873624
                    }
                },
                "ranking": 19.109234511846594,
                "professional": false,
                "ui_class": ""
            },
            "description": "Господа, проводим первый быстрый турнир со стартом в 19:30. Система с выбыванием после 2-х порожний значительно более честная. Зовите друзей. \n\nЕсли вы записываетесь не забудьте быть онлайн в 19:30. Длительность турнира зависти от количества участников. Но будте готовы к 30 - 50 минутам. Постарайтесь не пропустить свою игру.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 600,
                "max_time": 600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6036,
                "name": "Школа программистов",
                "summary": "Го-клуб летнего лагеря Школы программистов",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 398,
                "icon": "https://user-uploads.online-go.com/9dfdcf973067016629133984c0f77f58-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-13T16:30:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-07-13T16:30:24.470054Z",
            "ended": "2020-07-13T18:09:02.287759Z",
            "start_waiting": "2020-07-13T16:30:24.073157Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9dfdcf973067016629133984c0f77f58-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 66037,
            "name": "한국인 화늉",
            "director": {
                "id": 831306,
                "username": "상어고양이 아빠",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/db60d9f14079d08540de384240548fd3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1379.3147955484346,
                        "deviation": 65.91437466412411,
                        "volatility": 0.060013537153480276
                    }
                },
                "ranking": 22.361600527656655,
                "professional": false,
                "ui_class": ""
            },
            "description": "ㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23040,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 777600,
                "max_time": 777600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6774,
                "name": "😀Korea Go한국바둑😀",
                "summary": "많이 가입해주세요. 한국분 환영",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 229,
                "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-29T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-30T06:13:04.475007Z",
            "ended": "2020-10-25T01:09:24.939510Z",
            "start_waiting": "2020-09-30T06:13:04.208415Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 73485,
            "name": "noob swser 5",
            "director": {
                "id": 844218,
                "username": "lolroblox",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/898603eb835a4063bf795672200accce-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1319.9778490137012,
                        "deviation": 64.3683573753299,
                        "volatility": 0.05999444409408204
                    }
                },
                "ranking": 21.343651147118212,
                "professional": false,
                "ui_class": ""
            },
            "description": "blah blah 1 no swearing.\n2.If you're rude you will be disqualified",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "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": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 887,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-14T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-14T10:00:24.426199Z",
            "ended": "2021-07-23T15:33:31.184218Z",
            "start_waiting": "2021-04-14T10:00:24.269534Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 63748,
            "name": "Correspondence 19x19 RoundRobin 2020-07-31 19:01",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20260822T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-08-22T19:00:24.597297Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 432000,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-08-25T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-07-31T19:01:01.070780Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-31T19:01:04.852940Z",
            "ended": "2020-11-08T16:41:53.726173Z",
            "start_waiting": "2020-07-31T19:01:03.610851Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 68126,
            "name": "Sunday tournament",
            "director": {
                "id": 56637,
                "username": "milanm",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1643.5826037819743,
                        "deviation": 65.8288349088485,
                        "volatility": 0.05995225720984732
                    }
                },
                "ranking": 26.41959928186248,
                "professional": false,
                "ui_class": "aga"
            },
            "description": "weekly 9x9 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 180
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5803,
                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-22T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-11-22T17:58:24.869420Z",
            "ended": "2020-11-22T18:36:16.222734Z",
            "start_waiting": "2020-11-22T17:58:24.642129Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}