List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5371
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59575,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5372",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5370",
    "results": [
        {
            "id": 124980,
            "name": "สาระRA!Ls Tour ครั้งที่ 77",
            "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": "RESPECT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 8890,
            "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": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-15T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-15T03:00:25.645473Z",
            "ended": "2025-03-18T23:34:23.245488Z",
            "start_waiting": "2025-02-15T03:00:25.187766Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 109010,
            "name": "Chí Khang - Vy Lê",
            "director": {
                "id": 1357489,
                "username": "dangkhoa9139",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/70c4ec65a0fdc8d1ca1928e1fa64e7d0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1109.1201208165128,
                        "deviation": 94.7965526544202,
                        "volatility": 0.059987093836435953
                    }
                },
                "ranking": 17.314441373803128,
                "professional": false,
                "ui_class": ""
            },
            "description": "Mùa Đông Sum Vầy 2023",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 15,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13657,
                "name": "Ichi-Go PTNK Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 29,
                "icon": "https://user-uploads.online-go.com/8ba1369c7e5510cafbb325500b2f55f3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-10-29T07:09:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2023-10-29T07:09:37.496060Z",
            "ended": "2023-10-29T07:28:51.003461Z",
            "start_waiting": "2023-10-29T07:09:37.435858Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8ba1369c7e5510cafbb325500b2f55f3-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 108109,
            "name": "9x9 Mini League 10k-25k #185",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1302.5634718234464,
                        "deviation": 69.06809206244723,
                        "volatility": 0.060209056214312356
                    }
                },
                "ranking": 21.036202220240828,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-10-08T19:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-09T15:31:06.935881Z",
            "ended": "2023-11-06T22:53:39.762747Z",
            "start_waiting": "2023-10-09T15:31:06.769588Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 77798,
            "name": "ATTACK On LONG GO",
            "director": {
                "id": 750170,
                "username": "keixdggez",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/b07ba91a11584321d88e18bbc5cfe173-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1223.365573471105,
                        "deviation": 64.68068354892408,
                        "volatility": 0.06035871435040252
                    }
                },
                "ranking": 19.584037518452973,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi mhhhh",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5986,
                "name": "Go ⚫️⚪️",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/58ad3a859eec25a817d03bd6755c3f55-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-20T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-20T10:22:28.671210Z",
            "ended": "2021-08-08T16:28:36.268284Z",
            "start_waiting": "2021-07-20T10:22:28.450094Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/58ad3a859eec25a817d03bd6755c3f55-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 108441,
            "name": "Correspondence 19x19 RoundRobin 2023-10-14 19:00",
            "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:20260503T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-05-03T19:00:48.974165Z",
                "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": "2026-05-06T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": "2023-10-14T19:00:35.655124Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-14T19:01:35.711648Z",
            "ended": "2024-02-12T10:12:49.043223Z",
            "start_waiting": "2023-10-14T19:01:35.220981Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 52259,
            "name": "2nd Atlanta 9x9 Smackdown: Final Group",
            "director": {
                "id": 473434,
                "username": "DoubleSente",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1891.386906647593,
                        "deviation": 62.91280212348621,
                        "volatility": 0.05998964037582742
                    }
                },
                "ranking": 29.67060006447044,
                "professional": false,
                "ui_class": ""
            },
            "description": "All play all, winner gets a trophy and an award keepsake!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 16320,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3777,
                "name": "Atlanta Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-09-24T16:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2019-09-23T15:18:21.447604Z",
            "ended": "2019-10-02T20:30:10.112055Z",
            "start_waiting": "2019-09-23T15:18:20.137634Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 79128,
            "name": "CHSPJ WeiQi",
            "director": {
                "id": 998032,
                "username": "CHSPJ WeiQi",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e7882a9b927dc1d1606800f852249df7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1685.9580923665997,
                        "deviation": 111.51463363951173,
                        "volatility": 0.05999379484557542
                    }
                },
                "ranking": 27.008897099426854,
                "professional": false,
                "ui_class": ""
            },
            "description": "CHSPJ WeiQi",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9188,
                "name": "CHSPJ WeiQi",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 24,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-22T09:35:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-08-22T09:34:48.296809Z",
            "ended": "2021-08-22T09:46:42.825645Z",
            "start_waiting": "2021-08-22T09:34:48.207166Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 77710,
            "name": "aefaeF",
            "director": {
                "id": 1016128,
                "username": "TimTsai",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/5ad16efa4bdf65289a15d3505660b527-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 993.5512788378296,
                        "deviation": 70.04800542370968,
                        "volatility": 0.060231200015363015
                    }
                },
                "ranking": 14.767093597042754,
                "professional": false,
                "ui_class": ""
            },
            "description": "dgfEff",
            "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": 4821,
                "name": "ST Maklom ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 34,
                "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-18T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-20T07:21:21.163210Z",
            "ended": "2021-08-03T03:08:19.992440Z",
            "start_waiting": "2021-07-20T07:21:21.067795Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 47093,
            "name": "battle attack",
            "director": {
                "id": 628929,
                "username": "377313",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/3faaea5be22c5b9d338ee5a2ede18be0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1031.5748254724258,
                        "deviation": 303.38354345890116,
                        "volatility": 0.06000511919138496
                    }
                },
                "ranking": 15.636519519112843,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "friendly match",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 17943,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-02T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-04-05T06:04:29.782381Z",
            "ended": "2019-11-29T08:25:03.252987Z",
            "start_waiting": "2019-04-05T06:04:29.423871Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 70157,
            "name": "香港交流群錦標賽(2021年1月)",
            "director": {
                "id": 729695,
                "username": "Ayno",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0a29827ffd270d763151349da4fba55a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1466.784025155213,
                        "deviation": 63.583162688287565,
                        "volatility": 0.059871634492800946
                    }
                },
                "ranking": 23.78498789211358,
                "professional": false,
                "ui_class": ""
            },
            "description": "香港交流群錦標賽(2021年1月)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 100,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 60,
                "initial_time": 3600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7734,
                "name": "香港交流群",
                "summary": "歡迎想捉圍棋朋友加入~棋力不限",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 45,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-16T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-01-16T11:56:53.340585Z",
            "ended": "2021-01-16T13:30:59.097283Z",
            "start_waiting": "2021-01-16T11:56:53.149110Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}