List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5276
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59275,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5277",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5275",
    "results": [
        {
            "id": 85959,
            "name": "For chess2d-30k 💕💕💕💕💕💕💕💕",
            "director": {
                "id": 1064260,
                "username": "Cut Cyrus",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/4dd95097820786d5ef3711837645e049-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 769.1856759791827,
                        "deviation": 77.17937343434052,
                        "volatility": 0.06003577488890908
                    }
                },
                "ranking": 8.841775085833024,
                "professional": false,
                "ui_class": ""
            },
            "description": "This game is good!make friends!",
            "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": 11106,
                "name": "Chess  school 2d-30k",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-02-14T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-16T05:22:46.413364Z",
            "ended": "2023-03-10T10:03:59.333447Z",
            "start_waiting": "2022-10-16T05:22:46.293028Z",
            "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": 26032,
            "name": "April's Go Tournament",
            "director": {
                "id": 244211,
                "username": "deleted-9a660e4a-65cc-42ae-b744-7cef5d3008d1",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/002f775868271e389dc62ac6b6ce86b6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1836.097771036946,
                        "deviation": 65.25775754906238,
                        "volatility": 0.060076559415601555
                    }
                },
                "ranking": 28.983789799409397,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament of month",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 6720,
            "time_control_parameters": {
                "total_time": 604800,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1125,
                "name": "THE INSEI OF OGS",
                "summary": "Active semi-competitive players who compete in 19x19 games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 98,
                "icon": "https://user-uploads.online-go.com/8415fa763e97c20b349031bb016ce656-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-04-11T08:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 22,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-04-11T08:00:07.887356Z",
            "ended": "2017-06-04T18:34:35.022664Z",
            "start_waiting": "2017-04-11T08:00:07.465861Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8415fa763e97c20b349031bb016ce656-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 54854,
            "name": "สาระ Rail361! Tour ครั้งที่ 19",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "Only a few close friends were invited.\n#RESPECT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-01-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-01-13T03:00:31.439501Z",
            "ended": "2020-02-10T10:12:01.107170Z",
            "start_waiting": "2020-01-13T03:00:28.059144Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 123047,
            "name": "Go en la noche",
            "director": {
                "id": 1460058,
                "username": "NicoPiernagorda",
                "country": "co",
                "icon": "https://secure.gravatar.com/avatar/e73507cd5c2197c0ecafed0ba0b6d453?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1203.4728705791854,
                        "deviation": 62.74945939680011,
                        "volatility": 0.05995185013075557
                    }
                },
                "ranking": 19.204509670155762,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tiempo general 30, 3 byo yomi de 30 seg.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14241,
                "name": "SHIBUMI GO BOGOTÁ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-10T02:00:00Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-11-24T12:59:09.709961Z",
            "ended": "2025-11-24T14:34:16.963736Z",
            "start_waiting": "2025-11-24T12:59:09.638043Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 59907,
            "name": "Rails361! Tour ครั้งที่ 23 \"Quarantine\"",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "Only a few close friends were invited.\n\n#Respect",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-05-13T03:00:59.883630Z",
            "ended": "2020-06-15T07:16:18.870238Z",
            "start_waiting": "2020-05-13T03:00:57.434182Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 73256,
            "name": "2級から二段の方までのゆるトーナメント(The tournament for from 2Kyu to 2 Dan)",
            "director": {
                "id": 573795,
                "username": "かおり Kaori",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/acd3b1f0baab0021e6daeddbbb830204?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1525.3213390788849,
                        "deviation": 68.08167365636622,
                        "volatility": 0.060034262128168404
                    }
                },
                "ranking": 24.690913041026402,
                "professional": false,
                "ui_class": ""
            },
            "description": "ゆるい大会で良ければご参加ください(*´-`)\n\n\nPlease refrain from joining this tournament who does not match regulations of strength in this tournament. Thank you.",
            "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": false,
            "group": {
                "id": 2969,
                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 294,
                "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-03T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-04-03T10:00:11.188455Z",
            "ended": "2021-12-31T08:00:23.844849Z",
            "start_waiting": "2021-04-03T10:00:10.378426Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 102457,
            "name": "Shodan Showdown 2023 13x13 Edition",
            "director": {
                "id": 1237754,
                "username": "Dr_Leadfoot",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/1455b564ea498d0bf879357d00274182-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1106.5754695090932,
                        "deviation": 61.349192007624794,
                        "volatility": 0.05999070616979341
                    }
                },
                "ranking": 17.261267369284024,
                "professional": false,
                "ui_class": ""
            },
            "description": "For players close to 1st dan ranking. Small board, fast correspondence. Handicap enabled.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 20450,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12568,
                "name": "League of Extraordinary Players",
                "summary": "We play Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-01T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 27,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-30T03:20:32.402604Z",
            "ended": "2023-10-09T12:33:33.811985Z",
            "start_waiting": "2023-08-30T03:20:32.324350Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 123058,
            "name": "Go en la noche",
            "director": {
                "id": 1460058,
                "username": "NicoPiernagorda",
                "country": "co",
                "icon": "https://secure.gravatar.com/avatar/e73507cd5c2197c0ecafed0ba0b6d453?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1203.4728705791854,
                        "deviation": 62.74945939680011,
                        "volatility": 0.05995185013075557
                    }
                },
                "ranking": 19.204509670155762,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tiempo general 30, 3 byo yomi de 30 seg.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14241,
                "name": "SHIBUMI GO BOGOTÁ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-12-10T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-12-10T03:00:11.849224Z",
            "ended": "2024-12-10T03:29:52.343117Z",
            "start_waiting": "2024-12-10T03:00:11.800020Z",
            "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": 135287,
            "name": "13x13 Mini League 2d-9k #10",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.853799560171,
                        "deviation": 67.3768163524415,
                        "volatility": 0.060025167068784406
                    }
                },
                "ranking": 16.823651478136373,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 57,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-23T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-23T16:07:53.499907Z",
            "ended": "2026-03-13T15:38:33.854119Z",
            "start_waiting": "2026-01-23T16:07:53.272054Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 52061,
            "name": "สาระ Rail361! Tour ครั้งที่ 16",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1484.918972471606,
                        "deviation": 65.03818176438011,
                        "volatility": 0.05949046028311901
                    }
                },
                "ranking": 24.069453716254078,
                "professional": false,
                "ui_class": ""
            },
            "description": "Only a few close friends were invited.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12480,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-10-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 31,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2019-10-13T03:00:37.698431Z",
            "ended": "2019-11-05T06:34:05.570340Z",
            "start_waiting": "2019-10-13T03:00:32.528157Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}