List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5762
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59389,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5763",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5761",
    "results": [
        {
            "id": 85512,
            "name": "19x19 D.E. 02/05/2022🐉",
            "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 ‘Suicidal 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 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": 44160,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "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": "2022-02-06T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-02-06T02:00:43.093308Z",
            "ended": "2022-08-12T09:37:35.193998Z",
            "start_waiting": "2022-02-06T02:00:42.776844Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 131399,
            "name": "ซ้อม วันพฤหัสบดี ที่ 21 สิงหาคม 2568 เวลา 16:00 น",
            "director": {
                "id": 1834808,
                "username": "CP12",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9e6657edb905f03c794b5126e0930eff?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 718.3342462557268,
                        "deviation": 157.18203853328103,
                        "volatility": 0.060000465207427335
                    }
                },
                "ranking": 7.258375118164892,
                "professional": false,
                "ui_class": ""
            },
            "description": "ซ้อมแข่งกรมทรัพยากรทางทะเลและชายฝั่ง",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "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": 15589,
                "name": "กรมทรัพยากรทางทะเลและชายฝั่ง",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 130,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-08-21T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-08-21T09:00:05.932061Z",
            "ended": "2025-08-21T09:41:50.317026Z",
            "start_waiting": "2025-08-21T09:00:05.812865Z",
            "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": 31777,
            "name": "LET'S DO THIS ALREADY THE THIRD",
            "director": {
                "id": 447072,
                "username": "Vivian-Mana-Kendall",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/5ae9bdff5a76539b6a2e63337281eaa8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1565.4719920758496,
                        "deviation": 61.98304631563931,
                        "volatility": 0.06002090339547554
                    }
                },
                "ranking": 25.292402565845087,
                "professional": false,
                "ui_class": ""
            },
            "description": "TIME FOR THREE THREEWAY FIGHT",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1840,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 3600,
                "max_time": 3600,
                "time_increment": 1800,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1838,
                "name": "The Unusual Pack",
                "summary": "For those who go up in ranking and then hit that wall.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/6558d2a006496b901cb456e3373e391b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-11-09T21:50:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-11-09T21:50:36.715419Z",
            "ended": "2017-11-09T23:55:23.864789Z",
            "start_waiting": "2017-11-09T21:50:36.502487Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6558d2a006496b901cb456e3373e391b-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 111558,
            "name": "Go Zodiac Friendship Games Online ราศีมังกร รุ่น B กระดาน 19x19 (1-2 ดั้ง)",
            "director": {
                "id": 912068,
                "username": "cp02",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 469.4157984086007,
                        "deviation": 153.83582770708145,
                        "volatility": 0.06004073543967728
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go Zodiac Friendship Games Online ราศีมังกร รุ่น B กระดาน 19x19 (1-2 ดั้ง)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "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": 10404,
                "name": "Zodiac กลุ่ม B(1-2 ดั้ง)",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 128,
                "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-26T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2024-01-26T10:00:17.786952Z",
            "ended": "2024-01-26T11:10:57.992112Z",
            "start_waiting": "2024-01-26T10:00:17.711116Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 111563,
            "name": "Go Zodiac Friendship Games Online ราศีมังกร รุ่น E2 กระดาน 13x13 (ต่ำกว่า 8 คิว)",
            "director": {
                "id": 912813,
                "username": "cp05",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 824.4987186600506,
                        "deviation": 187.86352438460568,
                        "volatility": 0.06000382017326623
                    }
                },
                "ranking": 10.449385081288156,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Go Zodiac Friendship Games Online ราศีมังกร รุ่น E2 กระดาน 13x13 (ต่ำกว่า 8 คิว)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10407,
                "name": "Zodiac กลุ่ม E(ต่ำกว่า 8 คิว) กระดาน 13",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 226,
                "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-26T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2024-01-26T10:00:17.385183Z",
            "ended": "2024-01-26T10:47:53.718671Z",
            "start_waiting": "2024-01-26T10:00:17.240257Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 122005,
            "name": "Weelo is not gay",
            "director": {
                "id": 1654661,
                "username": "馮覺亮Albert rip",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/f7c1b2fb86e61213e2b69519d3baee1d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1237.2171179618726,
                        "deviation": 68.73870263238408,
                        "volatility": 0.05999550040776266
                    }
                },
                "ranking": 19.844680368133435,
                "professional": false,
                "ui_class": ""
            },
            "description": "Jhjkhkihkjhkihkihikibkihkihkihkjhkjhik",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 610271,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 691200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11548,
                "name": "Weelo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 88,
                "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-06T12:34:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-06T12:34:37.087846Z",
            "ended": "2025-01-25T13:00:06.565436Z",
            "start_waiting": "2025-01-06T12:34:37.029415Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 62970,
            "name": "soy buenicimo en go 🧡❤🥟🌭🍔🍟",
            "director": {
                "id": 757908,
                "username": "mi gato Felix",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/0f7084bd658bcc8a942f910e9bd7f386-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 715.5131836693278,
                        "deviation": 80.14518865469104,
                        "volatility": 0.0600015278851803
                    }
                },
                "ranking": 7.167280791418262,
                "professional": false,
                "ui_class": ""
            },
            "description": "jueguen contra mi",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4806,
                "name": "COIN Centro de Inteligencias",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 65,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-10T23:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-10T23:30:32.468819Z",
            "ended": "2020-07-11T00:18:16.962747Z",
            "start_waiting": "2020-07-10T23:30:32.243261Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 112409,
            "name": "Sunday GO 22 19×19",
            "director": {
                "id": 1496104,
                "username": "fahd.may",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/92b69983808ad46a21d2f49082271e43?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Fuñnnnnn",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 45,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13675,
                "name": "Sunday GO and MORE",
                "summary": "You can't miss this group, join now!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 109,
                "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-18T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-18T06:00:40.311663Z",
            "ended": "2024-02-18T06:16:19.492129Z",
            "start_waiting": "2024-02-18T06:00:40.225322Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 111561,
            "name": "Go Zodiac Friendship Games Online ราศีมังกร รุ่น D2 กระดาน 19x19 (5 - 8  คิว)",
            "director": {
                "id": 912070,
                "username": "cp04",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1171.5681194823871,
                        "deviation": 275.0962226815631,
                        "volatility": 0.06000797391824347
                    }
                },
                "ranking": 18.58250826178468,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Go Zodiac Friendship Games Online ราศีมังกร รุ่น D2 กระดาน 19x19 (5 - 8  คิว)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "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": 10406,
                "name": "Zodiac กลุ่ม D(5-8 คิว)",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 337,
                "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-26T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-01-26T10:00:17.702884Z",
            "ended": "2024-01-26T12:30:38.687206Z",
            "start_waiting": "2024-01-26T10:00:17.532092Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
            "player_count": 21,
            "ranked": true
        },
        {
            "id": 125227,
            "name": "19x19 Open D.E. Cup #100",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1374.7751237755672,
                        "deviation": 66.77688583915469,
                        "volatility": 0.06020222911924243
                    }
                },
                "ranking": 22.28528239731174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "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": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-02-23T22:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-02-22T09:36:19.596013Z",
            "ended": null,
            "start_waiting": "2025-02-22T09:36:19.485140Z",
            "board_size": 19,
            "active_round": 4,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}