List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=477
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60166,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=478",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=476",
    "results": [
        {
            "id": 88725,
            "name": "Турнир 9х9 [3]",
            "director": {
                "id": 1139613,
                "username": "deleted-d2efebf3-1f2c-4adb-82bb-af3f41f75c2d",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/e2242f2efc4924a917e9808a898033d6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1496.544937094556,
                        "deviation": 85.68993064099794,
                        "volatility": 0.059995078392557744
                    }
                },
                "ranking": 24.249997538573048,
                "professional": false,
                "ui_class": ""
            },
            "description": "Кто сказал, что можно играть только на доске 19х19? Основная задача — поиграть, хорошо провести время и набраться опыта. \n\nЭто регулярный турнир для новичков, который проходит каждую субботу.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11497,
                "name": "Чат игроков в Го (weiqi, baduk, igo)",
                "summary": "Мы — группа игроков из телеграмм чата «Чат для игроков в Го (weiqi, baduk, igo)». Здесь мы играем между собой и организовываем турниры для игроков всех уровней.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 368,
                "icon": "https://user-uploads.online-go.com/2d3b4fb3fa64f817ed22ed171b88d712-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-23T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-23T17:00:54.644860Z",
            "ended": "2022-04-23T17:33:59.360221Z",
            "start_waiting": "2022-04-23T17:00:54.572876Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2d3b4fb3fa64f817ed22ed171b88d712-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 87307,
            "name": "mid kyu round robin",
            "director": {
                "id": 845702,
                "username": "and-voss",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/28292dd46d331c4df0a41b8b21589d6c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1102.2587763431818,
                        "deviation": 64.69994795239207,
                        "volatility": 0.05975878538785681
                    }
                },
                "ranking": 17.170783826483774,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast correspondence (2 moves a day)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "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": 8918,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-16T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-03-16T13:00:15.709252Z",
            "ended": "2022-03-30T02:31:57.080373Z",
            "start_waiting": "2022-03-16T13:00:15.649708Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 93225,
            "name": "Monthly Live Tournament September",
            "director": {
                "id": 1025834,
                "username": "shudan",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/e58f78ef5855d9adbca2db4c56a6b04f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1256.9984184903778,
                        "deviation": 60.90470288103911,
                        "volatility": 0.0600174518827167
                    }
                },
                "ranking": 20.21188737339973,
                "professional": false,
                "ui_class": ""
            },
            "description": "Monthly Live Tournament September.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12007,
                "name": "All kinds of Tournaments",
                "summary": "Group for all kinds of Tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-10T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-10T08:00:05.172094Z",
            "ended": "2022-09-10T09:08:13.018097Z",
            "start_waiting": "2022-09-10T08:00:05.071853Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 90707,
            "name": "4477 tournament",
            "director": {
                "id": 1136031,
                "username": "gogowin11",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1e699c68a6db4a4af533418bfcccab4d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1036.1513271137844,
                        "deviation": 60.59879418908361,
                        "volatility": 0.05990207278516506
                    }
                },
                "ranking": 15.738995551410287,
                "professional": false,
                "ui_class": ""
            },
            "description": "Advanced beginner tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "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": 28,
                "name": "Teaching League",
                "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4495,
                "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-06-03T15:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 16,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-06-03T15:00:25.422878Z",
            "ended": "2022-11-23T14:04:28.530952Z",
            "start_waiting": "2022-06-03T15:00:25.318563Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 83162,
            "name": "19*19 swiss tournament 12/01/2021",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1274.6513862158752,
                        "deviation": 65.37626830930803,
                        "volatility": 0.06010299986513658
                    }
                },
                "ranking": 20.534738366137827,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "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": 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": 18036,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-01T04:16:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-01T04:16:13.475061Z",
            "ended": "2021-12-01T04:16:13.456360Z",
            "start_waiting": "2021-12-01T04:16:13.391916Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 82621,
            "name": "Contest #1 2021",
            "director": {
                "id": 1065846,
                "username": "OreoHam777",
                "country": "nz",
                "icon": "https://secure.gravatar.com/avatar/001a38e123f0edfca9543faacae7865f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1442.0911710199657,
                        "deviation": 60.525251779380696,
                        "volatility": 0.05994262403078612
                    }
                },
                "ranking": 23.391947100744954,
                "professional": false,
                "ui_class": ""
            },
            "description": "This contest will be held on the 28th of December. It will be open to anyone who is between Level 25 to Level 5. Feel free to join!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10593,
                "name": "Felix the Phoenix's Go Club of Fun",
                "summary": "Felix the Phoenix's Go Club of Fun is a social club which allows players to game, chat and have fun. I hope you'll have a great time in the club!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-28T01:30:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-28T01:30:04.601248Z",
            "ended": "2021-12-28T04:47:23.542345Z",
            "start_waiting": "2021-12-28T01:30:04.394493Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 98193,
            "name": "9x9form",
            "director": {
                "id": 1215371,
                "username": "Ashy Mashy",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/f0c29e5bcdb7331c7414a06f6ca1e501-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1209.3643114801016,
                        "deviation": 61.30909025128616,
                        "volatility": 0.059982715870546106
                    }
                },
                "ranking": 19.317560918631496,
                "professional": false,
                "ui_class": ""
            },
            "description": "Foreve",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "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": 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": 2994,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-24T08:12:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-24T08:12:15.330156Z",
            "ended": "2022-12-24T08:14:47.919534Z",
            "start_waiting": "2022-12-24T08:12:15.258480Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 83580,
            "name": "Lions - 9x9 - RR - 2021_12",
            "director": {
                "id": 1086736,
                "username": "deleted-84c9dc87-6ab8-49df-9539-92e786d4ca5c",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/c301d268049b281ea7e98cb2f3b4ef90-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1298.4998407914584,
                        "deviation": 62.53006322731395,
                        "volatility": 0.05998661728050915
                    }
                },
                "ranking": 20.963867852621817,
                "professional": false,
                "ui_class": ""
            },
            "description": "Lions - 9x9 - RR - 2021_12",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87840,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 129600,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10753,
                "name": "Brave Lions",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/c301d268049b281ea7e98cb2f3b4ef90-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-18T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-18T12:00:49.788488Z",
            "ended": "2022-01-03T04:54:21.602193Z",
            "start_waiting": "2021-12-18T12:00:49.232916Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c301d268049b281ea7e98cb2f3b4ef90-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 128943,
            "name": "13x13 Mini League 15k-5k #6",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1073.2840100977699,
                        "deviation": 66.95187850935433,
                        "volatility": 0.06002501957710229
                    }
                },
                "ranking": 16.55410507658349,
                "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": 61,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-06-13T17:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-06-13T10:48:34.756945Z",
            "ended": "2025-07-22T12:24:35.839984Z",
            "start_waiting": "2025-06-13T10:48:34.605441Z",
            "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": 87179,
            "name": "Mid-Kyu Double Elimination",
            "director": {
                "id": 845702,
                "username": "and-voss",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/28292dd46d331c4df0a41b8b21589d6c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1102.2587763431818,
                        "deviation": 64.69994795239207,
                        "volatility": 0.05975878538785681
                    }
                },
                "ranking": 17.170783826483774,
                "professional": false,
                "ui_class": ""
            },
            "description": "You need to make 2 moves a day (please don't use holidays to postpone a game!)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44160,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 259200
            },
            "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": 8918,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-12T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-07T20:25:29.795029Z",
            "ended": "2022-04-21T22:22:04.748087Z",
            "start_waiting": "2022-04-07T20:25:29.670067Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}