List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-board_size&page=357
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59091,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=358",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=356",
    "results": [
        {
            "id": 102298,
            "name": "Blitz 19x19 Elimination Tournament 2023-04-17 13:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260323T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-03-23T09:00:19.768036Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "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": "2026-03-23T13:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-04-17T13:30:00.913016Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-04-17T13:30:02.041095Z",
            "ended": "2023-04-17T13:42:44.909010Z",
            "start_waiting": "2023-04-17T13:30:01.917316Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 102168,
            "name": "Fast tourney",
            "director": {
                "id": 1330304,
                "username": "Domitian",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/f81572e976906086c0035eb83a506593-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1119.1258056271229,
                        "deviation": 61.990211306418274,
                        "volatility": 0.05997241147091082
                    }
                },
                "ranking": 17.52234765333489,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 move per day  minimum",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 86400
            },
            "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": 17864,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-17T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-17T13:00:00.902652Z",
            "ended": "2023-06-04T10:21:43.290813Z",
            "start_waiting": "2023-04-17T13:00:00.758966Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 101887,
            "name": "Monday Morning Go Study",
            "director": {
                "id": 1085226,
                "username": "gingerpersolus",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/27d719d0757d5ef719b4da43a73c1c4f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1462.3960266753834,
                        "deviation": 65.79714109067321,
                        "volatility": 0.059954421596593165
                    }
                },
                "ranking": 23.715629068826996,
                "professional": false,
                "ui_class": ""
            },
            "description": "Start your week off right with some rounds of go! Who needs coffee when you’ve got the goban to kick-start your brain?\n\nWe encourage players to review their games with each other or share helpful links/videos in the Become a Better Player Discord. There's a section titled Monday Morning Go Study. You'll find me and other players there: https://discord.gg/m28ZvXeh25",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 120,
                "max_time": 120
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8858,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-17T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-04-17T13:00:00.731607Z",
            "ended": "2023-04-17T13:24:09.464456Z",
            "start_waiting": "2023-04-17T13:00:00.650696Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 35473,
            "name": "¡1 AÑO DEL CANAL!",
            "director": {
                "id": 362506,
                "username": "lucho4668",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/5a3b1db995b87aa844b20bb871d1be07-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1666.4348700858245,
                        "deviation": 65.04511786943846,
                        "volatility": 0.06003111675650278
                    }
                },
                "ranking": 26.739258241202936,
                "professional": false,
                "ui_class": ""
            },
            "description": "¡Hola a todos! El torneo comenzará el 18/3/18 a las 15:30hs (hora Argentina), media hora después de haber comenzado el streaming en vivo en mi canal de YouTube.\nPremios para el torneo:\n1° Puesto: 10 dólares americanos\n2° Puesto: 5 dólares americanos\nAmbos premios a entregarse por PayPal.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "period_time": 20,
                "main_time": 300,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 2,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2074,
                "name": "Luciano Zinni YouTube",
                "summary": "Unite si querés participar de los torneos durante mis streamings en vivo https://www.youtube.com/c/lucianozinni.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 152,
                "icon": "https://user-uploads.online-go.com/7ad119080aaedca855fa87a26a315934-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-18T18:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-03-18T18:30:50.300315Z",
            "ended": "2018-03-18T18:59:21.125305Z",
            "start_waiting": "2018-03-18T18:30:49.832056Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7ad119080aaedca855fa87a26a315934-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 109443,
            "name": "M3/1 : ทดสอบระบบการแข่งขันออนไลน์",
            "director": {
                "id": 779033,
                "username": "T.Boss Chanatip",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/b48d7002f7cfe5a5b7dbf304aa99b403-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2035.3577057312855,
                        "deviation": 73.07838554282719,
                        "volatility": 0.06006497874786784
                    }
                },
                "ranking": 31.368912011527872,
                "professional": false,
                "ui_class": ""
            },
            "description": "มาเล่นหมากล้อมออนไลน์กันนนน",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13760,
                "name": "Satit PIM M1-M3 Class T.Boss",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 856,
                "icon": "https://user-uploads.online-go.com/01bddb523006f2ecdc9fc4c2a6c4172b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-11-10T03:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-11-10T03:30:29.901734Z",
            "ended": "2023-11-19T03:31:12.699761Z",
            "start_waiting": "2023-11-10T03:30:29.687871Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/01bddb523006f2ecdc9fc4c2a6c4172b-15.png",
            "player_count": 27,
            "ranked": true
        },
        {
            "id": 103414,
            "name": "Live 19x19 Swiss Tournament 2023-05-19 12:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260323T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-03-23T08:00:19.760300Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-03-23T12:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-05-19T12:30:55.713928Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-05-19T12:30:55.943396Z",
            "ended": "2023-05-19T15:08:14.853334Z",
            "start_waiting": "2023-05-19T12:30:55.750268Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 102093,
            "name": "Tournament01: 17/04/2023",
            "director": {
                "id": 1175667,
                "username": "PPProm",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/12507b959b9075059f6e1c43f0f27ba5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 929.5238447430535,
                        "deviation": 66.65390974576505,
                        "volatility": 0.060037795123986826
                    }
                },
                "ranking": 13.224997673087842,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome to Tournament01: 17/04/2023\n\nHave fun😊😊",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 174851,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 172800,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13102,
                "name": "Online Go - OGS",
                "summary": "Welcome to group “Online Go - OGS”\n\nHave fun😊😊",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 61,
                "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-17T08:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-17T08:30:49.121887Z",
            "ended": "2023-11-03T13:21:23.853248Z",
            "start_waiting": "2023-04-17T08:30:48.918178Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 3227,
            "name": "FSTS Bronze Meijin of 2014 Title",
            "director": {
                "id": 92537,
                "username": "YoDeath",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/70ee7fe26d2aaedd93c70ad26f3df95f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1295.7178862598735,
                        "deviation": 64.72292315987252,
                        "volatility": 0.06001419026516723
                    }
                },
                "ranking": 20.914217222744785,
                "professional": false,
                "ui_class": ""
            },
            "description": "Competition for the title of FSTS Bronze Meijin of 2014. Will start after 10th player join.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 864000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 353,
                "name": "Four Seasons Tournament Series",
                "summary": "Серия турниров \"Четыре Сезона\"",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 623,
                "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 14,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2014-10-08T04:56:28.501581Z",
            "ended": "2018-03-19T21:02:57.510527Z",
            "start_waiting": "2014-10-07T18:12:20.615900Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1569,
            "name": "The 1st Usagi Cup",
            "director": {
                "id": 26887,
                "username": "usagi4",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/63bdc64870e06385c389cf1f19be8672?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2058.01217291606,
                        "deviation": 64.6778163314401,
                        "volatility": 0.05999416934547066
                    }
                },
                "ranking": 31.62515871563829,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 345600,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": false,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-08-17T16:08:25Z",
            "ended": "2018-03-19T21:03:18.412850Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1802,
            "name": "Lassu Go Yose liga",
            "director": {
                "id": 22792,
                "username": "stone",
                "country": "hu",
                "icon": "https://secure.gravatar.com/avatar/57f1d79b016103ac803130ed8611f3c9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1684.5054131566244,
                        "deviation": 65.4604011373115,
                        "volatility": 0.060055596933179904
                    }
                },
                "ranking": 26.988941668526508,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 1209600,
                "max_time": 1209600,
                "time_increment": 259200
            },
            "is_open": false,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-06-16T23:46:45Z",
            "ended": "2018-03-19T21:03:18.580583Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}