List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=637
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59053,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=638",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=636",
    "results": [
        {
            "id": 126918,
            "name": "1776s open tournaments 0.0003",
            "director": {
                "id": 1436588,
                "username": "Arrow A6 anti-",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 588.6751839572613,
                        "deviation": 80.73457404236709,
                        "volatility": 0.0636275307525229
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "A Tournament series",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "aga",
            "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": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 493,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-31T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-31T11:00:12.994425Z",
            "ended": "2025-05-31T08:28:24.420403Z",
            "start_waiting": "2025-03-31T11:00:12.918278Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2154,
            "name": "storn's world cup 2 =)",
            "director": {
                "id": 1613,
                "username": "storn",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/c4dc58644089df25230e3f77ab0320ac-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1878.2185099538256,
                        "deviation": 63.23391128765384,
                        "volatility": 0.0599906460777431
                    }
                },
                "ranking": 29.508859197816342,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 864000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 381,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 2,
            "max_ranking": 17,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-07T07:53:43Z",
            "ended": "2013-08-07T05:53:43Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 117201,
            "name": "Monday Morning 19x19 #36",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1519.4900345121234,
                        "deviation": 66.18700894543053,
                        "volatility": 0.05999710756939137
                    }
                },
                "ranking": 24.60224096962113,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #36 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-07-08T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-07-08T08:00:01.502731Z",
            "ended": "2025-07-04T03:14:53.662564Z",
            "start_waiting": "2024-07-08T08:00:01.272146Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 25923,
            "name": "Lighting Go Double Elimination",
            "director": {
                "id": 434412,
                "username": "ogo32217",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/09da0e097a261255586a0ed8208053ff?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2204.651630577326,
                        "deviation": 75.52891749990754,
                        "volatility": 0.06001378948961065
                    }
                },
                "ranking": 33.21854898753181,
                "professional": false,
                "ui_class": ""
            },
            "description": "Watch the clock! It's time for some fast moves. All players are welcome.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "period_time": 10,
                "speed": "live",
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "main_time": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17705,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-03-31T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-04-24T18:20:43.241819Z",
            "ended": "2017-04-24T18:50:57.347389Z",
            "start_waiting": "2017-04-24T18:20:42.864675Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 10350,
            "name": "Beginners Open #1 Correspondence 19x19 15k-25k",
            "director": {
                "id": 170321,
                "username": "muchgo",
                "country": "se",
                "icon": "https://secure.gravatar.com/avatar/ead1efb9910d3d579a7ebb5985878094?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1411.9328843760413,
                        "deviation": 67.19857798482741,
                        "volatility": 0.06004120595328262
                    }
                },
                "ranking": 22.902679799769526,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck and have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 743,
                "name": "Sweden",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2015-09-08T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-09-08T11:00:52.872345Z",
            "ended": "2017-01-06T11:23:49.386685Z",
            "start_waiting": "2015-09-08T11:00:52.723343Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 30856,
            "name": "Test-Tournament",
            "director": {
                "id": 462637,
                "username": "Greenhunter",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/9185272bd5b0a810c439d8201b15aa95-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1301.4776463296544,
                        "deviation": 69.38163651839255,
                        "volatility": 0.05992312229793404
                    }
                },
                "ranking": 21.01689617974638,
                "professional": false,
                "ui_class": ""
            },
            "description": "Test... (I'll try to put one on every month's end )",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 120,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "live",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 120
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1807,
                "name": "Isnirekikari",
                "summary": "Hi, this is a group for players with 25kyu till 1kyu. Especially beginners are welcome! In this group everyone should be able to play, without having to pay attention on the rank difference problem.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-10-28T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2017-10-30T19:09:13.197400Z",
            "ended": "2017-10-30T19:15:21.579500Z",
            "start_waiting": "2017-10-30T19:09:12.756200Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 97285,
            "name": "Total Novice Tournament (TNT) - 9x9 - Dec 2022",
            "director": {
                "id": 1235089,
                "username": "crocodile69",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/bdf52f5159a7fbd895871c4a996cbf9f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 852.630730681157,
                        "deviation": 68.86158552611816,
                        "volatility": 0.06008941255519375
                    }
                },
                "ranking": 11.226089788068483,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament in which complete novices have an opportunity to meet players of similar ability. This is an opportunity to develop their skills while having fun and the excitement of competition.\n\nThe main goal is to provide players with as much fun as possible when competing against players of similar level. Therefore, at all stages of the tournament we pair up based on strength.\n\nCorrespondadence, Fisher 2 days + 8 hours increment. We want to provide a satisfactory pace but we can rest on weekends.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30168,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17705,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-01T14:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 9,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-01T14:00:32.225964Z",
            "ended": "2023-02-16T18:23:37.981161Z",
            "start_waiting": "2022-12-01T14:00:31.378842Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 24407,
            "name": "Tournoi des 50 nuances de Go (Test #03)",
            "director": {
                "id": 143771,
                "username": "HisokaH",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/a3edff19fb243af064c712faf6539bc1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2216.15326303646,
                        "deviation": 103.98854990322671,
                        "volatility": 0.06000685405613732
                    }
                },
                "ranking": 33.33900822452833,
                "professional": false,
                "ui_class": ""
            },
            "description": "Un nouveau tournoi test est lancé. Cette fois-ci, je vous propose un tournoi en temps réel qui se déroulera sur la journée du dimanche 19 février à partir de 13h (Soyez sûr d'être là un peu avant 13h sinon vous serez exclu du tournoi !) Il y aura 4 rondes, aucune élimination.\n\nTournoi sans handicap mais vous affronterez normalement quelqu'un dont la force est similaire à la votre. :)\n\nJ'espère que cela vous intéressera encore plus qu'avant ! :)\n\nMerci de votre participation, bon amusement à toutes et à tous ! S'il y a des questions, n'hésitez pas !",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 40,
            "time_control_parameters": {
                "time_control": "canadian",
                "period_time": 300,
                "main_time": 1800,
                "stones_per_period": 15
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1355,
                "name": "FulguroGo",
                "summary": "Apprendre le Go pour joueurs débutants et confirmés.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 917,
                "icon": "https://user-uploads.online-go.com/277417b334b4dedd5a136946a8c09dfc-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-02-19T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2017-02-19T12:00:40.792594Z",
            "ended": "2017-02-19T16:14:27.928937Z",
            "start_waiting": "2017-02-19T12:00:38.059191Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/277417b334b4dedd5a136946a8c09dfc-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 34773,
            "name": "New Zealand Online Open 2018 - Go for iT!",
            "director": {
                "id": 284889,
                "username": "menace",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/ec5a31fb77b1eb728921d7fb806ae022-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1428.6194617824517,
                        "deviation": 60.893594739122065,
                        "volatility": 0.06003268689392116
                    }
                },
                "ranking": 23.174668246721154,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for New Zealanders only please.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": true,
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1493,
                "name": "New Zealand",
                "summary": "A group for New Zealand players.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/fb0d43bfbf0616eb92bbd67a9d618dbd-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-02-25T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 7,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-02-25T03:01:00.323257Z",
            "ended": "2019-06-13T00:40:41.293667Z",
            "start_waiting": "2018-02-25T03:00:59.039309Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fb0d43bfbf0616eb92bbd67a9d618dbd-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 2497,
            "name": "Honinbo Handicap Title Tournament 2014",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Honinbo Handicap Title Tournament 2014",
            "schedule": null,
            "title": {
                "id": 6,
                "name": "Honinbo Handicap Title Tournament",
                "holder": {
                    "id": 1094,
                    "username": "Terranigma",
                    "country": "aq",
                    "icon": "https://secure.gravatar.com/avatar/4ce04e6f72da804ced91849ccefb291c?s=64&d=retro",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 1930.3407490575578,
                            "deviation": 66.16747785054929,
                            "volatility": 0.06069402308790958
                        }
                    },
                    "ranking": 30.14253985935054,
                    "professional": false,
                    "ui_class": ""
                },
                "rules": "japanese",
                "tournament_type": "s_mcmahon"
            },
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-04-07T02:52:10.249682Z",
            "ended": "2017-02-14T07:40:38.701779Z",
            "start_waiting": "2014-04-07T02:44:46.855576Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/honinbo_19.png",
            "player_count": 0,
            "ranked": true
        }
    ]
}