GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5129
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58693,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5130",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5128",
    "results": [
        {
            "id": 34686,
            "name": "Best Of Ten 2",
            "director": {
                "id": 478487,
                "username": "DiMantis",
                "country": "_CIS",
                "icon": "https://user-uploads.online-go.com/7cab43f17a4053230ca89df265a58b3c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1402.5887027898425,
                        "deviation": 61.62727557192232,
                        "volatility": 0.05998911812095254
                    }
                },
                "ranking": 22.748963729878646,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament for fans of the game with a handicap. The competition will begin after filling all the seats.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2170,
                "name": "Serenity",
                "summary": "When wisdom comes and ambitions go away, only pure enjoyment of the game remains.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 48,
                "icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-02-19T06:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-02-21T03:27:12.309626Z",
            "ended": "2018-10-21T22:10:59.552105Z",
            "start_waiting": "2018-02-21T03:27:07.812557Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 52413,
            "name": "Fast Correspondence – October 2019 (A)",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1588.1543621874353,
                        "deviation": 62.71960340021569,
                        "volatility": 0.05973071323930564
                    }
                },
                "ranking": 25.625419774662372,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 801,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-10-02T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-10-02T00:00:14.579810Z",
            "ended": "2019-10-26T07:49:11.056096Z",
            "start_waiting": "2019-10-02T00:00:07.461226Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 121513,
            "name": "19x19 New Zealand Open League #12",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-11-21T04:19:00Z",
            "players_start": 10,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-18T16:48:29.398045Z",
            "ended": "2025-02-19T21:32:40.938536Z",
            "start_waiting": "2024-11-18T16:48:28.507013Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 113199,
            "name": "9x9 New Zealand Open D.E. #3",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "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": false,
            "group": {
                "id": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-26T03:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-03-24T15:11:45.193008Z",
            "ended": "2025-02-15T01:39:56.117008Z",
            "start_waiting": "2024-03-24T15:11:45.076898Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 91178,
            "name": "陳俊霖 劉鍏浠",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "陳俊霖\n劉鍏浠",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-12T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-06-12T07:54:41.175511Z",
            "ended": "2022-06-12T08:25:48.317321Z",
            "start_waiting": "2022-06-12T07:54:41.043064Z",
            "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": 134901,
            "name": "Por el título de Meijin",
            "director": {
                "id": 1241447,
                "username": "Caravaggio17",
                "country": "cr",
                "icon": "https://user-uploads.online-go.com/40bb36c997025252dc043c48e2c13529-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 904.8802729327533,
                        "deviation": 66.29626405354655,
                        "volatility": 0.060016684800082855
                    }
                },
                "ranking": 12.60296133344407,
                "professional": false,
                "ui_class": ""
            },
            "description": "El ganador será nombrado Meijin Kodogoro, y será proclamado como rey de los juegos.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15019,
                "name": "La casa de Honinbo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://user-uploads.online-go.com/12880ec57b5329ce58ba560f26f695c6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-01T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-01T02:00:10.648046Z",
            "ended": "2025-12-01T02:20:14.293928Z",
            "start_waiting": "2025-12-01T02:00:10.549209Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/12880ec57b5329ce58ba560f26f695c6-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 94235,
            "name": "Fair tournament",
            "director": {
                "id": 881237,
                "username": "Robot317",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/623b30c04c9255953448ee08df69ed12-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1077.1540910660888,
                        "deviation": 64.04144308961456,
                        "volatility": 0.05999423411596796
                    }
                },
                "ranking": 16.637429931265586,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament is fair and wont pair 2ks with 20ks.",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9509,
                "name": "Goggle",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-04T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-04T14:00:20.997800Z",
            "ended": "2022-10-05T19:12:16.937239Z",
            "start_waiting": "2022-09-04T14:00:20.888003Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 82314,
            "name": "9x9 D.E. 11/13/2021 🦎",
            "director": {
                "id": 584481,
                "username": "Mulsiphix",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1723.508332937557,
                        "deviation": 67.30621035483453,
                        "volatility": 0.06024145341136911
                    }
                },
                "ranking": 27.51884388340188,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Humdrum Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<hr>\n\nTournaments are a great way to locate players who are more competitive than your average opponent. A big part of improving your own skills is to have them tested by capable challengers. If you would like to be a part of more New Zealand rule set tournaments, check out our group for weekly opportunities.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "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": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 594,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-11-14T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-16T13:28:44.319296Z",
            "ended": "2022-03-13T17:01:53.673092Z",
            "start_waiting": "2021-11-16T13:28:44.065730Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 41200,
            "name": "Nottingham Go Club October Sunday Tournament",
            "director": {
                "id": 23509,
                "username": "robindews",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/53b7cf9d9bdd1f8f9c5f4ffe8c21631d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.866380297196,
                        "deviation": 61.14091419950209,
                        "volatility": 0.06003237465737596
                    }
                },
                "ranking": 24.94066718342586,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Welcome to the Nottingham Go Club October Online Tournament. We are still experimenting with the best time limits in order to create something that is fun and fair and doesn't take all day! However, we think that there is a bug in the software that stops the handicaps from working and so you might have some uneven games. We don't mind this as we think all Go games are fun and so we hope you do too!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 28,
            "time_control_parameters": {
                "period_time": 180,
                "main_time": 900,
                "system": "canadian",
                "pause_on_weekends": false,
                "time_control": "canadian",
                "stones_per_period": 10,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 83,
                "name": "Nottingham Go Club",
                "summary": "Online Group for Go players in the Nottingham and Derby Area",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 89,
                "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-10-07T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-10-07T12:00:45.212360Z",
            "ended": "2018-10-07T13:33:51.918573Z",
            "start_waiting": "2018-10-07T12:00:44.546528Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 133732,
            "name": "The Best of 2025",
            "director": {
                "id": 1818077,
                "username": "时光和褚嬴呀",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/65467471f69c780786a014ecc51b00f8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.914270954214,
                        "deviation": 73.57474480494868,
                        "volatility": 0.06010422558092029
                    }
                },
                "ranking": 24.178254878237578,
                "professional": false,
                "ui_class": ""
            },
            "description": "Only the champion will be recorded",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 25019,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 21600,
                "initial_time": 432000,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 8789,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-10T10:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-10T10:00:12.541709Z",
            "ended": null,
            "start_waiting": "2025-11-10T10:00:12.414916Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 14,
            "ranked": true
        }
    ]
}