List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=player_count&page=1426
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59669,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1427",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1425",
    "results": [
        {
            "id": 71323,
            "name": "omar vanderloo",
            "director": {
                "id": 938024,
                "username": "omar.vanderloo.sgbonaire",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0f14782768e79f75cccc9e2ced452793?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.697018396264,
                        "deviation": 75.41313687211105,
                        "volatility": 0.05998670267871281
                    }
                },
                "ranking": 17.882998142602233,
                "professional": false,
                "ui_class": ""
            },
            "description": "leuk eeste keer",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "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": 17964,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-12T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-26T10:38:55.397649Z",
            "ended": "2021-12-28T13:20:15.622575Z",
            "start_waiting": "2021-10-26T10:38:55.317916Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 79064,
            "name": "Sommerturnier",
            "director": {
                "id": 688644,
                "username": "sougyo",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/d78994d4734f7d23504eef83c08ed438-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1232.3528738997818,
                        "deviation": 64.97558844934619,
                        "volatility": 0.05994731477609729
                    }
                },
                "ranking": 19.75348441415529,
                "professional": false,
                "ui_class": ""
            },
            "description": "... Lebt ihr noch? ... Hat jemand Lust auf ein neues Turnier?",
            "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": 5054,
                "name": "Go Revival Bremen",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/47a010897c31ed8892e6ab2f728df2e4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-24T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-08-24T19:00:24.418222Z",
            "ended": "2021-12-31T09:34:35.766220Z",
            "start_waiting": "2021-08-24T19:00:24.233916Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/47a010897c31ed8892e6ab2f728df2e4-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 80295,
            "name": "OGS TOURNAMENT",
            "director": {
                "id": 991710,
                "username": "husky.Yuki",
                "country": "_ASEAN",
                "icon": "https://user-uploads.online-go.com/65955db56153804de5d98d593003a7cd-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1251.766703883532,
                        "deviation": 74.20541748002614,
                        "volatility": 0.06002081131750235
                    }
                },
                "ranking": 20.11533439788569,
                "professional": false,
                "ui_class": ""
            },
            "description": "OGS TOURNAMENT",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1784,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-19T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-09-19T11:51:33.563691Z",
            "ended": "2021-10-11T04:25:07.464756Z",
            "start_waiting": "2021-10-11T04:25:07.460192Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 83361,
            "name": "division 4",
            "director": {
                "id": 922838,
                "username": "go2708",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b3e7f690c33f687a9632741520125809?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2051.551691597471,
                        "deviation": 123.68029630025042,
                        "volatility": 0.05999816676709507
                    }
                },
                "ranking": 31.5523722737371,
                "professional": false,
                "ui_class": ""
            },
            "description": "division 4",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 26880,
            "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": 10182,
                "name": "DCFWMS-Team",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-06T07:21:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2021-12-06T07:21:23.316074Z",
            "ended": "2022-02-21T07:11:26.964799Z",
            "start_waiting": "2021-12-06T07:21:23.186603Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 83047,
            "name": "Live 9x9 Double Elimination Tournament 2021-11-28 10:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260517T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-05-17T18:00:14.552073Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-05-17T22:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-11-28T10:30:28.175013Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-11-28T10:31:25.030776Z",
            "ended": "2021-11-28T10:52:33.652547Z",
            "start_waiting": "2021-11-28T10:31:24.921695Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 67639,
            "name": "GO CARROT DANCER tournament lol",
            "director": {
                "id": 811533,
                "username": "CookiesAndGo",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c558c9ad91a9bfc86c40dd7285133a17-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1044.2620853899564,
                        "deviation": 111.84505863404993,
                        "volatility": 0.05998548276399042
                    }
                },
                "ranking": 15.919502948899362,
                "professional": false,
                "ui_class": ""
            },
            "description": "....tournament for gcd",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6918,
                "name": "-Go Carrot Dancers-",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-10T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-11T03:00:48.131540Z",
            "ended": "2021-10-11T11:31:13.271387Z",
            "start_waiting": "2020-11-11T03:00:47.830294Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 78097,
            "name": "(๑•̀ᄇ•́)و ✧     Go Go Go",
            "director": {
                "id": 1018289,
                "username": "Viola Lee",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/30595101e850d5f797929c9ac8ec5065-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1121.7541151308521,
                        "deviation": 66.80372769925062,
                        "volatility": 0.0601494900201195
                    }
                },
                "ranking": 17.576652564855472,
                "professional": false,
                "ui_class": ""
            },
            "description": "1級~30級 或 其他「職業」都可以參賽。",
            "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": 9670,
                "name": "(*˘︶˘*).。.:*♡",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/06b67253b43f9eb64e5b81dbc5e7f18c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-27T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-28T19:54:02.324003Z",
            "ended": "2021-09-08T17:04:41.742221Z",
            "start_waiting": "2021-07-28T19:54:02.186020Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/06b67253b43f9eb64e5b81dbc5e7f18c-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 94481,
            "name": "Live 9x9 Double Elimination Tournament 2022-09-10 22:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260517T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-05-17T18:00:14.552073Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-05-17T22:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2022-09-10T22:30:40.256074Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-10T22:30:41.489927Z",
            "ended": "2022-09-10T22:46:39.223730Z",
            "start_waiting": "2022-09-10T22:30:41.368885Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 79526,
            "name": "oui😊",
            "director": {
                "id": 910029,
                "username": "yeong ha ko",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/0456aecb47ecd3a87457e7b4e1acc1a9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1732.4568994457843,
                        "deviation": 71.3527930233796,
                        "volatility": 0.06075833324406251
                    }
                },
                "ranking": 27.638729220033547,
                "professional": false,
                "ui_class": ""
            },
            "description": "gagne",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 60,
                "periods": 1
            },
            "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": 2979,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-19T10:20:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-09-19T10:20:29.879406Z",
            "ended": "2021-09-19T13:00:47.257986Z",
            "start_waiting": "2021-09-19T10:20:29.751221Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 76289,
            "name": "Autumn Olympic Games. McMahon 2021. (19x19)",
            "director": {
                "id": 721084,
                "username": "Lexxgo",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/eadd3bb95af972db608b10e308217d0d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1702.0164192076516,
                        "deviation": 66.54857732174423,
                        "volatility": 0.059972624948633195
                    }
                },
                "ranking": 27.22835155459872,
                "professional": false,
                "ui_class": ""
            },
            "description": "Autumn Olympic Games. McMahon 2021. (19x19)",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": 9239,
                "name": "World tournaments",
                "summary": "World tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-06-15T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-06-15T04:39:57.986656Z",
            "ended": "2021-08-20T20:40:23.840167Z",
            "start_waiting": "2021-06-15T04:39:57.570965Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}