GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=440
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58767,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=441",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=439",
    "results": [
        {
            "id": 99622,
            "name": "Take your time",
            "director": {
                "id": 913479,
                "username": "Mr Potatoman",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/5fddbd7cdb2de23007c72e2f87b9db48-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1563.3501315705255,
                        "deviation": 66.17052905288448,
                        "volatility": 0.06002924917541489
                    }
                },
                "ranking": 25.261003479359843,
                "professional": false,
                "ui_class": ""
            },
            "description": "extremely long games",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 883147,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 2419200,
                "period_time": 864000,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2478,
                "name": "British Go Association",
                "summary": "A few simple rules ... limitless possibilities",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 332,
                "icon": "https://user-uploads.online-go.com/a510297f99ffa3f0f187db7fd738de98-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-02T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-22T16:12:49.688429Z",
            "ended": "2025-10-07T21:26:16.096547Z",
            "start_waiting": "2023-07-22T16:12:49.544365Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a510297f99ffa3f0f187db7fd738de98-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 88087,
            "name": "嘉軒vs名鎬",
            "director": {
                "id": 1125975,
                "username": "東東1234",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/7073c3c0c19e1e2362786d7d3cacee04?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1636.613123803098,
                        "deviation": 92.9778953940374,
                        "volatility": 0.06000761280908969
                    }
                },
                "ranking": 26.321224844663433,
                "professional": false,
                "ui_class": ""
            },
            "description": "1111111111111",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 80,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 60,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11450,
                "name": "黎老師群組",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 39,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-04-02T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-02T03:50:23.364288Z",
            "ended": "2022-04-02T04:02:44.059870Z",
            "start_waiting": "2022-04-02T03:50:23.332485Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 86758,
            "name": "Greg's April 2022 9x9",
            "director": {
                "id": 839774,
                "username": "greg556",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/ab22c240c07a79025a1565e22698dd21?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1352.355170779992,
                        "deviation": 65.78171266435913,
                        "volatility": 0.06010244192669599
                    }
                },
                "ranking": 21.90463787420026,
                "professional": false,
                "ui_class": ""
            },
            "description": "April 9x9 Swiss, slide and strength.\n\nVacation and pauses not allowed, at discretion of director.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 22560,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 21600,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7162,
                "name": "Greg's Tournament Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-01T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-01T17:00:23.559292Z",
            "ended": "2022-05-01T12:58:18.765787Z",
            "start_waiting": "2022-04-01T17:00:23.440488Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 90396,
            "name": "19cx1291919",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 702.7832420117375,
                        "deviation": 68.15986210019427,
                        "volatility": 0.06057660627238546
                    }
                },
                "ranking": 6.751703260465856,
                "professional": false,
                "ui_class": ""
            },
            "description": "191919x9x9x",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "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": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4841,
                "name": "PIPIOLO GO 2022🏆",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 215,
                "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-23T22:07:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-05-23T22:07:22.177682Z",
            "ended": "2022-05-23T22:08:56.144503Z",
            "start_waiting": "2022-05-23T22:07:22.062171Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 126711,
            "name": "Handicap Arena 2025 - 020",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1152.5226681070055,
                        "deviation": 63.42823882480412,
                        "volatility": 0.0600783676463056
                    }
                },
                "ranking": 18.20308068378928,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "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": true,
            "group": {
                "id": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 99,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-03-27T10:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-25T12:11:02.454983Z",
            "ended": "2025-08-10T03:33:19.912735Z",
            "start_waiting": "2025-03-25T12:11:02.169166Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 135011,
            "name": "✨🎄 GoMagical December 🎄✨",
            "director": {
                "id": 901303,
                "username": "Muff0",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/e04175e5267b560bb2448bb1867a73e7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1721.8965782217858,
                        "deviation": 62.48134761936455,
                        "volatility": 0.059855539954601904
                    }
                },
                "ranking": 27.497184818442065,
                "professional": false,
                "ui_class": ""
            },
            "description": "🎉A special rapid tournament to open the Holiday Season with Go Magic!🎄✨\n\nAll prizes are Go Magic Gift Cards\n\n🏆Prizes:\n\n    1st Place: $100\n    2nd Place: $60\n    3rd Place: $35\n\n🏆Special Prizes(mutually exclusive with winning):\n\n    5 Wins: $50\n    4 Wins: $25\n\nAll you have to do is register and be here at the starting time! The next rounds will start as soon as all the games are finished.\n\nThe expected total duration is about 1.5h\n\n⌚ **The start time is shown in your local timezone!!**  \n**Absolute start time is:**   \n**Saturday, December 13, 2025 6:00 PM UTC**  \n[**ADD TO YOUR GOOGLE CALENDAR**](https://calendar.google.com/calendar/render?action=TEMPLATE&text=GoMagical%20December&details=A%20special%20rapid%20tournament%20to%20open%20the%20Holiday%20Season%20with%20Go%20Magic!&location=https%3A%2F%2Fonline-go.com%2Ftournament%2F135011&dates=20251213T180000Z%2F20251213T193000Z) \n  \nNote: This will serve as a final test for introducing regular tournaments with this format, we'd be very grateful if you could provide any feedback for improving. You can write it directly in the tournament chat.\n\n🪄✨ Learn Go the Magical way at <a href=\"https://go.gomagic.org/X4LK1U\" target=\"_blank\">Go Magic</a>",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8605,
                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1793,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-13T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-12-13T18:00:18.689427Z",
            "ended": "2025-12-13T19:24:26.357478Z",
            "start_waiting": "2025-12-13T18:00:16.076513Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 107,
            "ranked": false
        },
        {
            "id": 83645,
            "name": "Go Zodiac Friendship Games Online ราศีราศีธนู รุ่น C กระดาน 19x19 (1-4คิว)",
            "director": {
                "id": 912069,
                "username": "cp03",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/4da1ef892b79d62ea729b1964f8d22fc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1107.4533474986902,
                        "deviation": 189.37898466816355,
                        "volatility": 0.06001261824989068
                    }
                },
                "ranking": 17.279625645714837,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "อ่านรายละเอียด กติกา และช่องทางการรับใบประกาศนียบัตร ได้ที่ https://www.thaigo.org/go-zodiac/",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10405,
                "name": "Zodiac กลุ่ม C(1-4 คิว)",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 149,
                "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-24T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-12-24T10:00:40.247610Z",
            "ended": "2021-12-24T12:53:57.780293Z",
            "start_waiting": "2021-12-24T10:00:39.814087Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 94489,
            "name": "2 -> 錢尚鋒5 -> 陳灝",
            "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": "2 -> 錢尚鋒5 -> 陳灝",
            "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": "2022-09-11T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-09-11T03:50:30.874990Z",
            "ended": "2022-09-11T04:21:23.884115Z",
            "start_waiting": "2022-09-11T03:50:30.822949Z",
            "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": 103251,
            "name": "Открытый турнир нашего чата 🏆 19х19 Fast corresp",
            "director": {
                "id": 803169,
                "username": "Tg45",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/d861f559b9c8e292905d8730862d1569-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1477.6859342572245,
                        "deviation": 62.00440470456277,
                        "volatility": 0.06004336056375478
                    }
                },
                "ranking": 23.956414568187128,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ссылка на наш чат в Телеграмм:\nhttps://t.me/+yMT2ffS4XFBiYzMy\nНас свыше 650 человек)) Присоединяйтесь!\n\nБлог “Всё о настольной игре Го”:\nhttps://mkrukov.ru/blog/all/vse-o-nastolnoy-igre-go-weiqi-baduk-igo/\nЭто живая статья с огромным количеством информации о Го на русском языке.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17568,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 16200,
                "initial_time": 172800,
                "max_time": 259200
            },
            "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": 361,
                "icon": "https://user-uploads.online-go.com/2d3b4fb3fa64f817ed22ed171b88d712-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-25T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-25T16:01:12.115795Z",
            "ended": "2024-01-23T15:32:25.311762Z",
            "start_waiting": "2023-05-25T16:00:57.428609Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2d3b4fb3fa64f817ed22ed171b88d712-15.png",
            "player_count": 123,
            "ranked": true
        },
        {
            "id": 72543,
            "name": "19x19 Double Elimination (New Zealand Rules)",
            "director": {
                "id": 637865,
                "username": "John.Tromp.Math.Maniac",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/d3a7d663721e94d8a2a5d3846f290611-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Fast 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><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 259200
            },
            "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": 592,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-12-26T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-09T01:07:11.391155Z",
            "ended": "2022-01-03T22:49:17.970034Z",
            "start_waiting": "2021-06-09T01:07:11.158346Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}