List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5298
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60107,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5299",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5297",
    "results": [
        {
            "id": 58678,
            "name": "9x9 correspondencia , para que se unan toni y gorka",
            "director": {
                "id": 93396,
                "username": "aguasnegras",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/62fe13b35920f3da1a5578fb2965f8e6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1399.3218114615543,
                        "deviation": 66.32619227944001,
                        "volatility": 0.06014640423818642
                    }
                },
                "ranking": 22.694980158214875,
                "professional": false,
                "ui_class": ""
            },
            "description": "juego por correspondencia, tenemos mucho tiempo para colocar piedra",
            "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": 5077,
                "name": "Go-Chu",
                "summary": "Un lugar para recrearse",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-08T19:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-08T19:08:04.227376Z",
            "ended": "2020-05-01T13:03:53.439556Z",
            "start_waiting": "2020-04-08T19:08:03.002851Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 70724,
            "name": "tu y yo",
            "director": {
                "id": 928443,
                "username": "elpepe3.0",
                "country": "ar",
                "icon": "https://secure.gravatar.com/avatar/6b0becddecd5a06042b3f8078c97f2e0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1954.9738399784128,
                        "deviation": 255.5927293625389,
                        "volatility": 0.060002541917615684
                    }
                },
                "ranking": 30.43608813331936,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "para todossssssssssssssss xddddddddddddddddddddddddddddddd el pepe",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 1036800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8165,
                "name": "go la",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://user-uploads.online-go.com/a2e8b6d3cbd2f5e2941b9543c9279321-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-02T12:35:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-02T12:35:04.096798Z",
            "ended": "2021-06-28T06:34:53.925944Z",
            "start_waiting": "2021-03-02T12:35:03.784537Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a2e8b6d3cbd2f5e2941b9543c9279321-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 72091,
            "name": "Correspondence 13x13 RoundRobin 2021-03-02 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": 7,
                "name": "Correspondence 13x13 RoundRobin",
                "rrule": "DTSTART:20260630T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-06-30T19:00:17.317048Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "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": "2026-07-03T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-03-02T19:00:20.772217Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-02T19:00:54.955023Z",
            "ended": "2021-06-01T09:43:28.448484Z",
            "start_waiting": "2021-03-02T19:00:53.170753Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 81142,
            "name": "Simulation Tournament with auto-start",
            "director": {
                "id": 1044601,
                "username": "senseihk",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2326.49766407098,
                        "deviation": 249.480229604016,
                        "volatility": 0.060008490664285076
                    }
                },
                "ranking": 34.463891257409,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Simulation Tournament with auto-start",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10177,
                "name": "SGA-Tournament",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 42,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-09T17:45:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-10-09T17:45:08.990510Z",
            "ended": "2021-10-09T19:05:19.371820Z",
            "start_waiting": "2021-10-09T17:45:08.879490Z",
            "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": 71932,
            "name": "Swiss",
            "director": {
                "id": 943646,
                "username": "Alpha  Zero",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/9d1a77d931cc0e362543930820bcca4b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.6819178542366,
                        "deviation": 65.26018585535951,
                        "volatility": 0.06000175020465574
                    }
                },
                "ranking": 21.268185492817235,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play slow",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "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": 18030,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-26T16:20:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 24,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-26T16:20:09.044192Z",
            "ended": "2021-02-26T16:21:28.562141Z",
            "start_waiting": "2021-02-26T16:20:08.943796Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 71928,
            "name": "13x13 fun",
            "director": {
                "id": 2408,
                "username": "richyfourtytwo",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1555.8104227451252,
                        "deviation": 66.23322166678231,
                        "volatility": 0.05973548358437876
                    }
                },
                "ranking": 25.149085803932696,
                "professional": false,
                "ui_class": ""
            },
            "description": "I bit quicker time settings. I'll do reviews again, as usual.",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7785,
                "name": "Students of r42",
                "summary": "Group for players who are or have been playing teaching games with richyfourtytwo.\n\nI will review all ladder or tournament games within this group.\n\nPlaying is the best way to learn in the beginning, so join (at least) the 9x9 ladder and challenge each oth",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-02T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-03-02T16:00:46.418400Z",
            "ended": "2021-04-05T14:48:29.138029Z",
            "start_waiting": "2021-03-02T16:00:45.707630Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 73724,
            "name": "19x19 double elimination monthly championship 4 (April 2021)",
            "director": {
                "id": 861327,
                "username": "Jack the protaGOnist",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/a0b3993a4ac594108efa52a044210bba-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1672.033059307691,
                        "deviation": 61.65197767699118,
                        "volatility": 0.06000663457564414
                    }
                },
                "ranking": 26.81689756840323,
                "professional": false,
                "ui_class": ""
            },
            "description": "heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelo! and welcome back to the forth monthly championships (sorry it's a bit late)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87840,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 129600,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7383,
                "name": "hangout and have fun",
                "summary": "]",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/475e03f7bfbd3f230470aea89405e15c-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-04-30T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-30T16:00:15.930614Z",
            "ended": "2024-09-17T11:59:17.592495Z",
            "start_waiting": "2021-04-30T16:00:13.340456Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/475e03f7bfbd3f230470aea89405e15c-15.png",
            "player_count": 70,
            "ranked": true
        },
        {
            "id": 71933,
            "name": "Doble Elimation Tournament 13x13",
            "director": {
                "id": 936720,
                "username": "Lucas Liu",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/41d2e9a73442819f2ec4624215a478c8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1285.6028632338182,
                        "deviation": 63.05376733640603,
                        "volatility": 0.06005528346930371
                    }
                },
                "ranking": 20.732787633544536,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just for fun",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 14,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 360,
                "max_time": 360
            },
            "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": 2991,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-26T16:50:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-27T12:16:59.948997Z",
            "ended": "2021-02-27T12:30:24.191647Z",
            "start_waiting": "2021-02-27T12:16:59.747374Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 71270,
            "name": "9x9 Traditional monthly tournament III/21",
            "director": {
                "id": 598257,
                "username": "Lukyn",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1043.2038470007367,
                        "deviation": 64.96511123800879,
                        "volatility": 0.05997200360948492
                    }
                },
                "ranking": 15.896031216566909,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-03-01T00:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-26T15:47:57.316760Z",
            "ended": "2021-05-11T23:59:03.839752Z",
            "start_waiting": "2021-02-26T15:47:56.049206Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 27453,
            "name": "¡Battle Royale!",
            "director": {
                "id": 444226,
                "username": "Emperador",
                "country": "es",
                "icon": "https://user-uploads.online-go.com/c7ecc9ae2f2db7a5e70f87a34ef417aa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1544.933039648001,
                        "deviation": 111.00970188056269,
                        "volatility": 0.06000062995839228
                    }
                },
                "ranking": 24.98666511051437,
                "professional": false,
                "ui_class": ""
            },
            "description": "¡Sin piedad!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "period_time": 86400,
                "main_time": 604800,
                "system": "byoyomi",
                "pause_on_weekends": true,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1618,
                "name": "Espai no go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-05-26T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-05-27T10:22:55.587105Z",
            "ended": "2017-06-29T19:03:49.244381Z",
            "start_waiting": "2017-05-27T10:22:55.214022Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}