List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=399
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60231,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=400",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=398",
    "results": [
        {
            "id": 88510,
            "name": "張溢滇3 -> 駱皓希",
            "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": "張溢滇3 -> 駱皓希",
            "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": "2022-04-10T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-10T06:54:00.891408Z",
            "ended": "2022-04-10T07:19:20.096758Z",
            "start_waiting": "2022-04-10T06:54:00.836265Z",
            "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": 66268,
            "name": "GRUPO I - RONDA 1",
            "director": {
                "id": 192805,
                "username": "Gissella",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/7499667de6f78d48d0eb4dd599849b2a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1698.617939951458,
                        "deviation": 63.65356071882225,
                        "volatility": 0.059543688694980806
                    }
                },
                "ranking": 27.182080881151755,
                "professional": false,
                "ui_class": ""
            },
            "description": "I1 RONDA 1",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6424,
                "name": "CLASIFICATORIO FEMENINO- CONGRESO  LATINOAMERICANO 2022",
                "summary": "Bienvenidas al Clasificatorio femenino rumbo al 4.º Quzhou Lanke Congreso Latino­americano de Go 2022",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 37,
                "icon": "https://user-uploads.online-go.com/f2227edb00b8347df3aecab0f35f7edd-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-04T23:15:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-10-04T23:17:12.412380Z",
            "ended": "2020-10-04T23:54:56.964162Z",
            "start_waiting": "2020-10-04T23:17:12.322108Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f2227edb00b8347df3aecab0f35f7edd-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 130075,
            "name": "Handicap Arena 2025 - 055",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1068.155982469972,
                        "deviation": 65.03185027742708,
                        "volatility": 0.06006504827640836
                    }
                },
                "ranking": 16.443231956706825,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 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": 108,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-09T17:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-08T19:08:53.699966Z",
            "ended": "2026-01-18T02:46:06.255154Z",
            "start_waiting": "2025-07-08T19:08:53.121954Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 112646,
            "name": "13x13 New Zealand Handicap D.E. #2",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. Starts when full.\n\nNew Zealand rules. 13x13 handicap. Double-elimination.\n\nFor more tournaments with New Zealand rules: https://online-go.com/group/14024",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "nz",
            "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": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 79,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-02T03:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-25T12:32:41.380620Z",
            "ended": "2025-04-28T02:08:23.287584Z",
            "start_waiting": "2024-02-25T12:32:41.207196Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 95941,
            "name": "놀자 타임 (playtime)",
            "director": {
                "id": 1163981,
                "username": "15minKiller",
                "country": "_GoT_Targaryen",
                "icon": "https://user-uploads.online-go.com/199617730a1a1a1d2a03ac29f9c6eae2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1259.6863496960395,
                        "deviation": 64.40455589694335,
                        "volatility": 0.05998331573494331
                    }
                },
                "ranking": 20.261337850359205,
                "professional": false,
                "ui_class": ""
            },
            "description": "그냥 좀 두고 싶으신 분들 이리 오세요. \n\nJust play, playing only, please play.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12187,
                "name": "solar sistem",
                "summary": "어린이 특별 환영!\n어른들도 환영합니다.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-11-15T04:25:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-11-15T04:25:47.902140Z",
            "ended": "2022-11-15T05:08:32.559511Z",
            "start_waiting": "2022-11-15T04:25:47.805483Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 107131,
            "name": "2023.SEP 19X19 RoundRobin 5K~1K",
            "director": {
                "id": 1161013,
                "username": "朵兒普拉斯-doorplus-",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1151.0937500744108,
                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
                    }
                },
                "ranking": 18.174361096243295,
                "professional": false,
                "ui_class": ""
            },
            "description": "Attention: Time Setting for the Game\n                                                           \nWhen playing the game, please pay close attention to the time setting. The game requires an average of 2-3 moves per day. If you need to take a break, make sure to return promptly and make more than 3 moves per day to keep up with the time. Please do not keep your opponent waiting for tooooooooooooooo loooooooooooooooooooong.\n                                                      \n🍭Tips:                                                  \n1️⃣Disqualification will occur if a player loses by timeout.                                                  \n2️⃣If disqualified by the tournament director, all outstanding games will be forfeited, which will affect the player’s ranking.                                         \n                                                          \n🍭The following rules must be obeyed to guarantee a respectful game:                                             \n1️⃣No pauses are allowed.                                   \n2️⃣No vacation mode is permitted. (If a player is on vacation, they and their opponent can still make a move, but time will be suspended. Soooooooooooo, vacation mode is absolutely NOT allowed.)                               \n3️⃣Any player who is on vacation or has paused the game will be disqualified without further notice or reminder.     \n4️⃣If you find that a player pauses the game or enters vacation mode, please send a message to the tournament director.                                                     \n                                                              \nLet us strive to be respectful players.                     \nWe wish everyone a pleasant game and hope to gain something from our opponents. :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33587,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 28800,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12824,
                "name": "Way to GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-09-11T01:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 25,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-09-10T21:39:09.263970Z",
            "ended": "2023-12-12T09:12:57.047896Z",
            "start_waiting": "2023-09-10T21:39:08.744603Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 128329,
            "name": "Tournament 3 of Series 1",
            "director": {
                "id": 1310334,
                "username": "PilotClem",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/b00190484ad187723ff8143c2edb8b34-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1132.9357104515536,
                        "deviation": 61.34094477859767,
                        "volatility": 0.059910648210110704
                    }
                },
                "ranking": 17.806268231610428,
                "professional": false,
                "ui_class": ""
            },
            "description": "last tournament of series 1",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15283,
                "name": "Tournaments and games",
                "summary": "Please feel free to create your own tournament or game, and to have fun. The purpose of this group is for you guys to have fun, to learn and to gain experience. If you wish you can create reviews, you can share a game, or a impressive move you made.😁\n\nI am",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 25,
                "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-05-24T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-24T14:00:58.712504Z",
            "ended": "2025-05-24T14:56:51.069021Z",
            "start_waiting": "2025-05-24T14:00:58.569107Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 65287,
            "name": "Beginner Tournament",
            "director": {
                "id": 843050,
                "username": "pinkwatermelon",
                "country": "019",
                "icon": "https://user-uploads.online-go.com/908b432689581a757e69a0bb7b55e375-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 816.513743839518,
                        "deviation": 93.65810955356275,
                        "volatility": 0.05999863100006612
                    }
                },
                "ranking": 10.22409291533078,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go face to face with other beginners to prove your worth! Winners will be invited to my group.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20760,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 19800,
                "initial_time": 86400,
                "max_time": 518400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6802,
                "name": "Beginner Go",
                "summary": "a group for beginners. come join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/c7f2561134c3945ccb5995a7872e747f-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-09-10T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-10T16:07:45.267444Z",
            "ended": "2020-10-08T06:04:39.713756Z",
            "start_waiting": "2020-09-10T16:07:44.888528Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c7f2561134c3945ccb5995a7872e747f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 95947,
            "name": "黃暐升 王棟",
            "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": "黃暐升\n王棟",
            "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": 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": "2022-10-22T10:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-10-22T09:49:25.128433Z",
            "ended": "2022-10-22T10:35:21.958336Z",
            "start_waiting": "2022-10-22T09:49:25.072333Z",
            "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": 96639,
            "name": "Praha 41",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 31,
                "name": "Český pokoj",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 50,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-11-11T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-11-11T05:38:01.406922Z",
            "ended": "2023-03-29T08:36:28.395402Z",
            "start_waiting": "2022-11-11T05:38:00.497087Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        }
    ]
}