List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=835
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59406,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=836",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=834",
    "results": [
        {
            "id": 57492,
            "name": "clare",
            "director": {
                "id": 739431,
                "username": "jarvis5wong",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f82d6992ba646c9fe94ef2bbcfb64de1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.0001751088946,
                        "deviation": 144.16317572613056,
                        "volatility": 0.0600058605555129
                    }
                },
                "ranking": 9.43057568644453,
                "professional": false,
                "ui_class": ""
            },
            "description": "888667",
            "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": 4550,
                "name": "Lu La",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/790f36afb65b084e5b90891d5e6095fc-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-15T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-17T14:11:52.315675Z",
            "ended": "2020-07-10T13:13:50.645060Z",
            "start_waiting": "2020-03-17T14:11:50.791025Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/790f36afb65b084e5b90891d5e6095fc-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 35152,
            "name": "Taiwanese",
            "director": {
                "id": 348886,
                "username": "nicodaisuki",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1724.605004636006,
                        "deviation": 65.88111689435804,
                        "volatility": 0.06003268569255853
                    }
                },
                "ranking": 27.533569588846934,
                "professional": false,
                "ui_class": ""
            },
            "description": "Taiwan is a country!!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 2419200,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1144,
                "name": "Taiwanese",
                "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 181,
                "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-06-07T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-06-07T05:00:42.554996Z",
            "ended": "2020-06-11T20:54:33.255443Z",
            "start_waiting": "2018-06-07T05:00:41.840181Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 128355,
            "name": "Турнир го группы The go academy Singapore",
            "director": {
                "id": 1596765,
                "username": "SecretDragonCanneloni.Meowl",
                "country": "_Starfleet",
                "icon": "https://secure.gravatar.com/avatar/f723c7c69b0433523da66d7cfe5dcf2c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1397.5521144262657,
                        "deviation": 67.57379559375731,
                        "volatility": 0.06054377160977299
                    }
                },
                "ranking": 22.66568424218868,
                "professional": false,
                "ui_class": ""
            },
            "description": "В этом турнире игроки будут бороться за призовые места играя друг с другом",
            "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": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9310,
                "name": "The Go Academy Singapore",
                "summary": "",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/964f13365b0269f59400716ae77d2bd5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-31T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-31T10:00:40.758769Z",
            "ended": "2025-10-02T16:24:07.098406Z",
            "start_waiting": "2025-05-31T10:00:40.634152Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/964f13365b0269f59400716ae77d2bd5-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 107923,
            "name": "Correspondence 9x9 RoundRobin 2023-09-28 19:00",
            "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": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-04-17T19:00:56.701536Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "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": "2026-04-20T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-09-28T19:00:31.639391Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-28T19:00:32.153523Z",
            "ended": "2023-10-19T07:21:25.407651Z",
            "start_waiting": "2023-09-28T19:00:31.982558Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 126863,
            "name": "showdown at high noon oh 4 oh 4",
            "director": {
                "id": 598693,
                "username": "ramhead",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/a4153b91dabd1f14bca0e59491f7f09a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 927.1263633453183,
                        "deviation": 63.467073800287615,
                        "volatility": 0.06010277811012802
                    }
                },
                "ranking": 13.165210724566899,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "time for gathering players of a good number of days. all ranks",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 101638,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": "2025-04-04T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-04T19:00:13.877337Z",
            "ended": "2025-06-12T06:58:09.775899Z",
            "start_waiting": "2025-04-04T19:00:13.600157Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 103054,
            "name": "進階班第四次19路棋盤循環賽",
            "director": {
                "id": 920515,
                "username": "gosenseihk",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1886.1807822444975,
                        "deviation": 152.79691468189992,
                        "volatility": 0.06000855493777404
                    }
                },
                "ranking": 29.606790827330673,
                "professional": false,
                "ui_class": ""
            },
            "description": "進階班第四次19路棋盤循環賽",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 19147,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10265,
                "name": "DCFWMS-WQ",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 31,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-09T07:56:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2023-05-09T07:33:48.294746Z",
            "ended": "2023-09-27T23:59:22.588118Z",
            "start_waiting": "2023-05-09T07:33:48.143407Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 123516,
            "name": "Meenoi's Tournament ครั้งที่ 1.1",
            "director": {
                "id": 431142,
                "username": "MeenoiVader01",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/14e152811efad1e0ce1e2e4e0ad2e3cb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1883.0819317965984,
                        "deviation": 79.95657310601,
                        "volatility": 0.06003622061808522
                    }
                },
                "ranking": 29.56872587432832,
                "professional": false,
                "ui_class": ""
            },
            "description": "แข่งแบบพบกันหมด",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 11770,
                "name": "We pIay",
                "summary": "ขอใช้กลุ่มนี้เป็นที่นัดหมายแข่งขันนะครับ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 25,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-23T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2024-12-23T10:00:55.515779Z",
            "ended": "2025-01-19T11:58:54.508343Z",
            "start_waiting": "2024-12-23T10:00:55.409062Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 59403,
            "name": "Googogogogogoogogogogogogogogoogogogogogog",
            "director": {
                "id": 736022,
                "username": "楊博皓",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0bcc85dcf5138f903a59c1fc96b917bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.604332011829,
                        "deviation": 65.76762527276921,
                        "volatility": 0.05999650627120625
                    }
                },
                "ranking": 24.93673238502052,
                "professional": false,
                "ui_class": ""
            },
            "description": "PlayGoooooooooooo",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4573,
                "name": "Go Playground",
                "summary": "",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/9d7bc58cb903eb4610d051c64257b436-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-21T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-04-21T12:24:25.983334Z",
            "ended": "2020-04-21T12:26:27.845446Z",
            "start_waiting": "2020-04-21T12:24:25.852932Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9d7bc58cb903eb4610d051c64257b436-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 123889,
            "name": "19x19 correspondence",
            "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": "19x19 correspondence, just have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "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": 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": "2025-01-03T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-03T14:00:36.438761Z",
            "ended": "2025-08-31T08:00:16.829864Z",
            "start_waiting": "2025-01-03T14:00:36.317088Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 57360,
            "name": "2020 03 B",
            "director": {
                "id": 307866,
                "username": "swafaron",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/c62da84b968b7d03ab1235c4e4988c13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1568.7246028591371,
                        "deviation": 62.77870530874028,
                        "volatility": 0.05985028812148364
                    }
                },
                "ranking": 25.340451859744853,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneio 2020 03 B",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1527,
                "name": "Brasil",
                "summary": "Ponto de encontro dos jogadores brasileiros",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 489,
                "icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-15T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-03-15T03:00:20.383462Z",
            "ended": "2021-01-29T04:54:35.137946Z",
            "start_waiting": "2020-03-15T03:00:19.929539Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}