List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=5585
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59024,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5586",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5584",
    "results": [
        {
            "id": 84998,
            "name": "19x19 D.E. 01/22/2022🐉",
            "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": "2022-01-23T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-30T23:07:13.889635Z",
            "ended": "2022-06-09T20:29:51.802186Z",
            "start_waiting": "2022-01-30T23:07:13.755355Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 91106,
            "name": "黃星澄Sofie 盧允言",
            "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": "黃星澄Sofie\n盧允言",
            "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": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7530,
                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-10T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-06-10T07:41:28.300449Z",
            "ended": "2022-06-10T08:09:26.903710Z",
            "start_waiting": "2022-06-10T07:41:28.244570Z",
            "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": 129859,
            "name": "snail",
            "director": {
                "id": 1772479,
                "username": "VOX hh",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/f8db1ef8e8e4fc6a843b305b48ae2575-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 258.55646449160463,
                        "deviation": 106.62578433906414,
                        "volatility": 0.060062381454922084
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "FRIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY!\n\n\n-midy-",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15084,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15314,
                "name": "Marlcliffe primary go nerds",
                "summary": "hi",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/e9f7dbf31c21511c5ad5fd4ed12f2ddb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-06-27T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-06-27T15:00:29.370547Z",
            "ended": "2025-06-29T15:52:54.238996Z",
            "start_waiting": "2025-06-27T15:00:29.302635Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e9f7dbf31c21511c5ad5fd4ed12f2ddb-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 125741,
            "name": "13x13 Open D.E. Cup #62",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1394.3828244901913,
                        "deviation": 68.06339724124885,
                        "volatility": 0.06017609207950014
                    }
                },
                "ranking": 22.613126360189657,
                "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": 90782,
            "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": 68,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-03-16T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-12T05:05:10.066096Z",
            "ended": "2025-06-04T08:37:30.756868Z",
            "start_waiting": "2025-03-12T05:05:09.983213Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 127170,
            "name": "Пробний турнір",
            "director": {
                "id": 547314,
                "username": "Strut Swan",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/fd615a8886482887f15c9c55cfc6391f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1967.332346195234,
                        "deviation": 70.39813423470414,
                        "volatility": 0.059850119190678855
                    }
                },
                "ranking": 30.581971882377005,
                "professional": false,
                "ui_class": ""
            },
            "description": "Спробуємо турнір по цікавій системі на вибування - після двох поразок. Залишиться найвитриваліший 😁",
            "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": 13227,
                "name": "Poltava Go School \"Tesuji\"",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 24,
                "icon": "https://user-uploads.online-go.com/2247d54f79988e6f649a7159d45aef66-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-10T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-04-10T21:00:14.644426Z",
            "ended": "2025-05-29T19:39:13.546546Z",
            "start_waiting": "2025-04-10T21:00:14.584996Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2247d54f79988e6f649a7159d45aef66-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 89680,
            "name": "1 -> 蔡得恩 2 -> 周逸",
            "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": "1 -> 蔡得恩\n2 -> 周逸",
            "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": 5
            },
            "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": "2022-05-07T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-05-07T03:51:42.020642Z",
            "ended": "2022-05-07T03:59:14.431447Z",
            "start_waiting": "2022-05-07T03:51:41.959415Z",
            "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": 110588,
            "name": "Go Zodiac Friendship Games Online ราศีธนู รุ่น F2 กระดาน 9x9 (ต่ำกว่า 8 คิว)",
            "director": {
                "id": 914944,
                "username": "cp07",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d92a855aa687442bcecac46fb604eb2d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 356.1180165171072,
                        "deviation": 234.39640116678896,
                        "volatility": 0.06001944274531256
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Go Zodiac Friendship Games Online ราศีธนู รุ่น F2 กระดาน 9x9 (ต่ำกว่า 8 คิว)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "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": 10408,
                "name": "Zodiac กลุ่ม F(ต่ำกว่า 8 คิว) กระดาน 9",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 942,
                "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-22T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-12-22T10:00:03.377413Z",
            "ended": "2023-12-22T10:39:19.441839Z",
            "start_waiting": "2023-12-22T10:00:03.213461Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 89688,
            "name": "1 -> 何金澄 2 -> 馬彥彬",
            "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": "1 -> 何金澄\n2 -> 馬彥彬",
            "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": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-05-07T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-05-07T05:18:34.837504Z",
            "ended": "2022-05-07T05:55:57.949147Z",
            "start_waiting": "2022-05-07T05:18:34.784336Z",
            "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": 89698,
            "name": "7/53 -> 簡頌賢 4 -> 許澤延",
            "director": {
                "id": 729080,
                "username": "樂 碁",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1376.5461424853938,
                        "deviation": 260.4210499451175,
                        "volatility": 0.059998813696822535
                    }
                },
                "ranking": 22.315085597176374,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "3 -> 簡頌賢\n4 -> 許澤延",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 20,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7533,
                "name": "傳碁 A班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 36,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-05-07T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-05-07T09:59:31.826472Z",
            "ended": "2022-05-07T10:44:25.524285Z",
            "start_waiting": "2022-05-07T09:59:31.774829Z",
            "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": 89441,
            "name": "Super Fun",
            "director": {
                "id": 1056448,
                "username": "Ilikefootball",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/4d8d970b0f2a6e2c2ae95dca98241685?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1150.212434017289,
                        "deviation": 67.11532898864681,
                        "volatility": 0.05993723230479962
                    }
                },
                "ranking": 18.156629889626096,
                "professional": false,
                "ui_class": ""
            },
            "description": "SOOOOOOOOOOOOOOOOOOOO FUNNN",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 9,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "blitz",
                "pause_on_weekends": false,
                "per_move": 9
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11125,
                "name": "Hippo",
                "summary": "For people who like hippos!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/25452e702f01dfda9e0b1a0928aacae0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-01T09:26:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-05-10T20:51:13.966184Z",
            "ended": "2022-05-10T20:56:53.590552Z",
            "start_waiting": "2022-05-10T20:51:13.890074Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/25452e702f01dfda9e0b1a0928aacae0-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}