GET /api/v1/tournaments/?format=api&ordering=-board_size&page=117
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58719,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=118",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=116",
    "results": [
        {
            "id": 63630,
            "name": "tournament for fun",
            "director": {
                "id": 787818,
                "username": "Ernie Ip",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/6ff93d62e603d6754e9948ca7f093372-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 848.0310294421083,
                        "deviation": 65.44134154669923,
                        "volatility": 0.0599842022485025
                    }
                },
                "ranking": 11.100864013221816,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play this for fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5925,
                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-28T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-28T07:52:22.087530Z",
            "ended": "2020-07-29T08:02:01.010678Z",
            "start_waiting": "2020-07-28T07:52:21.856225Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 63086,
            "name": "Blitz 19x19 Elimination Tournament 2020-07-14 01:30",
            "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:20251215T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-12-15T21:01:04.410776Z",
                "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": "2025-12-16T01:00:00Z",
                "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": "2020-07-14T01:30:45.704727Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-14T01:30:47.273651Z",
            "ended": "2020-07-14T02:09:13.031398Z",
            "start_waiting": "2020-07-14T01:30:46.911026Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 57903,
            "name": "Normal Elimination 8 players (#33)",
            "director": {
                "id": 211504,
                "username": "Why am I playing",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/5871c4b800476f93d2a66a0cb3e618cb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1559.0919502754434,
                        "deviation": 69.84935092039798,
                        "volatility": 0.06153589767848298
                    }
                },
                "ranking": 25.197862543190354,
                "professional": false,
                "ui_class": ""
            },
            "description": "Start when Tournament have 8 players",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 454,
                "name": "Tournament Club",
                "summary": "Welcome to the TOURNAMENT CLUB, a remake of the 'Kyu Tournament Group'.\n\nIn this group, you will be able to participate in competitions for your level so that you will have a fair chance of winning! We also have special competitions that require special ru",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 77,
                "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-24T12:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-24T18:54:17.084080Z",
            "ended": "2020-06-22T15:36:03.112236Z",
            "start_waiting": "2020-03-24T18:54:16.355327Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 90849,
            "name": "Tomate 2",
            "director": {
                "id": 1102538,
                "username": "Kiwi082",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/87a634638daea69da67b63a796e94516?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1418.1535798962382,
                        "deviation": 61.44566957987151,
                        "volatility": 0.05996982812873685
                    }
                },
                "ranking": 23.00445007077434,
                "professional": false,
                "ui_class": ""
            },
            "description": "die fortsetzung von Tomate",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 48,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 35,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11839,
                "name": "Rengo Enthusiasten (german speaking)",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-06-12T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-06-12T08:00:13.100454Z",
            "ended": "2022-06-12T08:23:20.494253Z",
            "start_waiting": "2022-06-12T08:00:12.897661Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 76521,
            "name": "Blitz 19x19 Elimination Tournament 2021-06-19 17:30",
            "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:20251215T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-12-15T21:01:04.410776Z",
                "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": "2025-12-16T01:00:00Z",
                "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": "2021-06-19T17:30:32.411562Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-06-19T17:30:33.963244Z",
            "ended": "2021-06-19T18:09:03.867367Z",
            "start_waiting": "2021-06-19T17:30:33.735191Z",
            "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": 58877,
            "name": "Турнир по переписке 19х19",
            "director": {
                "id": 698241,
                "username": "Андрей Голомыздо",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/76d174f0d1a97377902ca431c0bc8fca?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1329.6526083891786,
                        "deviation": 64.0996389605842,
                        "volatility": 0.05970159812710091
                    }
                },
                "ranking": 21.512709948720723,
                "professional": false,
                "ui_class": ""
            },
            "description": "Всем привет!\nПредлагаю сыграть турнир по переписке. Включены условные ходы и анализ, так что можно делать разбор партий, делиться мнениями.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4140,
                "name": "Турнир Полиметалла",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 220,
                "icon": "https://user-uploads.online-go.com/3088e7e7fa56852654bd2bc4f20ff28a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-20T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-20T12:00:38.649409Z",
            "ended": "2020-06-23T17:58:27.676783Z",
            "start_waiting": "2020-04-20T12:00:38.144383Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3088e7e7fa56852654bd2bc4f20ff28a-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 938,
            "name": "Spaetsommerturnier",
            "director": {
                "id": 15162,
                "username": "euler",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/14a397689a9969abb5ff14afb30e1e98-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1465.0752220088334,
                        "deviation": 61.366841751592794,
                        "volatility": 0.059508216523684904
                    }
                },
                "ranking": 23.758002423860734,
                "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": 259200,
                "max_time": 864000,
                "time_increment": 86400
            },
            "is_open": true,
            "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": 380,
                "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": 20,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-04-03T17:29:16Z",
            "ended": "2010-04-03T15:29:16Z",
            "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": 60546,
            "name": "Go Masters Tournament 2",
            "director": {
                "id": 776045,
                "username": "C. H. Lee",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/43568eda37fe2db86962b817f5cf2ae6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2272.856094593667,
                        "deviation": 92.6933086443411,
                        "volatility": 0.06001886124538824
                    }
                },
                "ranking": 33.92387685220122,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go Masters Tournament 2",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5725,
                "name": "Go Architecture",
                "summary": "Active Go research group, feel free to join.\nhttps://www.youtube.com/watch?v=D8IdVyIVNZk\nhttps://www.youtube.com/watch?v=Dmlyg1uzpNs",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-17T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-05-17T19:38:35.384892Z",
            "ended": "2020-06-03T19:53:23.427275Z",
            "start_waiting": "2020-05-17T19:38:34.914479Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63873,
            "name": "Live 19x19 Swiss Tournament 2020-08-03 00:30",
            "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:20251215T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2025-12-15T20:01:05.518876Z",
                "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": "2025-12-16T00:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "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": "2020-08-03T00:30:25.477780Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-08-03T00:30:27.290869Z",
            "ended": "2020-08-03T01:57:27.520938Z",
            "start_waiting": "2020-08-03T00:30:26.921401Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 73341,
            "name": "Go for professional",
            "director": {
                "id": 839251,
                "username": "Mapledge",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/014310fdc5f118f1a485818badd3b773-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 811.822879557998,
                        "deviation": 98.79461305451053,
                        "volatility": 0.06001611392915813
                    }
                },
                "ranking": 10.090712867300997,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19 AGA slide Strength 40 absolute",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 2400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6730,
                "name": "Stony Brook Go Club",
                "summary": "ALL PLAYERS WELCOME!!!\n\nWe are a club group based at Stony Brook University. \n\nOur meetings times are Tuesdays and Thursdays 8-10PM via Zoom.\n\nRegardless of whether you are a beginner or a master, don't hesitate to come by to simply have some fun. \n\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-04-02T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-04-02T00:20:51.317619Z",
            "ended": "2021-04-02T00:22:34.053617Z",
            "start_waiting": "2021-04-02T00:20:51.203540Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}