List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-player_count&page=5286
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59736,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=5287",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=5285",
    "results": [
        {
            "id": 64741,
            "name": "Bergedorf spielt 9x9 die 5te",
            "director": {
                "id": 2408,
                "username": "richyfourtytwo",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1554.9932038219886,
                        "deviation": 65.56454183736781,
                        "volatility": 0.05973587464711485
                    }
                },
                "ranking": 25.136922632754516,
                "professional": false,
                "ui_class": ""
            },
            "description": "Viel Spaß!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 611520,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 604800,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2754,
                "name": "Bergedorfer Go-Treff",
                "summary": "Gruppe für Teilnehmer(innen) des Bergedorfer Go-Treffs in der Lola",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/e6df03e14694c50a5310515c0b1aae0d-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-08-26T18:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-26T17:28:55.206208Z",
            "ended": "2020-08-26T18:27:39.848569Z",
            "start_waiting": "2020-08-26T17:28:55.077001Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e6df03e14694c50a5310515c0b1aae0d-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 60959,
            "name": "APCA Learning Test 02",
            "director": {
                "id": 786596,
                "username": "APCA01",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/3180df4326654ce5d346f34c67f8f154?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1249.4578901982477,
                        "deviation": 256.3451699831443,
                        "volatility": 0.05999905212792343
                    }
                },
                "ranking": 20.07259609112069,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Tournoi de test 02",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 113280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5826,
                "name": "APCA Learning group",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-23T22:23:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-23T22:23:52.186751Z",
            "ended": "2020-07-08T23:59:13.811553Z",
            "start_waiting": "2020-05-23T22:23:52.059456Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 69155,
            "name": "テストトーナメント",
            "director": {
                "id": 785836,
                "username": "yushima02",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/af0b2ccf7e77e74f948d3a98fa897940?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500.0,
                        "deviation": 350.0,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "テストリーグです",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-20T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-20T03:52:41.837826Z",
            "ended": "2020-12-20T03:55:58.079322Z",
            "start_waiting": "2020-12-20T03:52:41.678919Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 66141,
            "name": "uyebrvywqptiuybit;",
            "director": {
                "id": 836874,
                "username": "NicholasD03",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f493528ea0a3bfff700b0528c858339c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1028.5047944967969,
                        "deviation": 71.63711526554845,
                        "volatility": 0.060081207056853145
                    }
                },
                "ranking": 15.567520953222878,
                "professional": false,
                "ui_class": ""
            },
            "description": "tvlvytliu",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 6721,
                "name": "Mr. Erb's Math Class",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-02T13:29:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-02T15:28:30.966003Z",
            "ended": "2020-10-08T18:59:24.720547Z",
            "start_waiting": "2020-10-02T15:28:30.772057Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63641,
            "name": "GPU AI",
            "director": {
                "id": 809878,
                "username": "Fat Fish AI",
                "country": "zz",
                "icon": "https://secure.gravatar.com/avatar/1059478efdd4b515af4c3592edb6da40?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 3026.801451997034,
                        "deviation": 82.6806530544709,
                        "volatility": 0.059966472681459534
                    }
                },
                "ranking": 38,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "AI对局(GPU須高於1060Ti)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 1840,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 1800,
                "initial_time": 3600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5590,
                "name": "AI Communicate Group",
                "summary": "",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-01-01T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-01T06:00:20.744826Z",
            "ended": "2021-01-01T08:00:40.338309Z",
            "start_waiting": "2021-01-01T06:00:20.642490Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63309,
            "name": "SDN17リーグ戦の実験(通信対局)",
            "director": {
                "id": 762903,
                "username": "Y.Ima-san",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/528dd4223c6265a9a826cea70bf2e073-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1516.4669637931695,
                        "deviation": 65.4945980117696,
                        "volatility": 0.05968106521277836
                    }
                },
                "ranking": 24.556137477171614,
                "professional": false,
                "ui_class": ""
            },
            "description": "グループを作ったので、sdnのリーグ戦の実験として、総当たり戦を作ってみました。\n通信対局で、置き石自動設定です。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 6324,
                "name": "SDN17",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-07-21T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-07-20T05:11:46.864984Z",
            "ended": "2020-08-17T15:37:36.325598Z",
            "start_waiting": "2020-07-20T05:11:46.736893Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63917,
            "name": "Type: Fast",
            "director": {
                "id": 736685,
                "username": "李朗銳",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/b7c6482c7e297b7c47906a1a0bfc23c7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1005.3610697829467,
                        "deviation": 66.82162579107839,
                        "volatility": 0.06001116661169058
                    }
                },
                "ranking": 15.040642201285266,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament is type fast!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 30
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5925,
                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-04T08:30:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 37,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-04T08:22:41.165971Z",
            "ended": "2020-08-04T08:28:45.799181Z",
            "start_waiting": "2020-08-04T08:22:41.066423Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 80857,
            "name": "Week 4 - Room 2",
            "director": {
                "id": 543472,
                "username": "rc25",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/3b75fcaa3776cb5576ed79936e6a5b53?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1580.4658382248517,
                        "deviation": 63.42877925962602,
                        "volatility": 0.05992733814134483
                    }
                },
                "ranking": 25.51307454690189,
                "professional": false,
                "ui_class": ""
            },
            "description": "Week 4 - Room 2",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 100,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 3600,
                "period_time": 60,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10061,
                "name": "ชมรมครอบครัว CPF รักหมากล้อม",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 85,
                "icon": "https://user-uploads.online-go.com/fcecd3c5bbda5eb8787ec27b1c6d6076-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-10-03T04:15:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-10-03T04:03:25.672067Z",
            "ended": "2021-10-03T04:59:27.906295Z",
            "start_waiting": "2021-10-03T04:03:25.619839Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fcecd3c5bbda5eb8787ec27b1c6d6076-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63902,
            "name": "tournament",
            "director": {
                "id": 769861,
                "username": "rainncat",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.0308630931373,
                        "deviation": 65.62894696966373,
                        "volatility": 0.060026784983209604
                    }
                },
                "ranking": 14.331490463627786,
                "professional": false,
                "ui_class": ""
            },
            "description": "have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6414,
                "name": "Hot Cocoa",
                "summary": "\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-04T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-04T23:00:28.724741Z",
            "ended": "2020-08-07T02:40:32.237389Z",
            "start_waiting": "2020-08-04T23:00:28.541950Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 68300,
            "name": "9x9 everyday",
            "director": {
                "id": 882982,
                "username": "huuawei",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/600f05ebf1f3d90d91ee04fbc732affc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1304.592079898415,
                        "deviation": 62.73819412634579,
                        "volatility": 0.0599900013592158
                    }
                },
                "ranking": 21.072227908375883,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 everyday",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 12
            },
            "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": 17977,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-29T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-29T12:00:44.403494Z",
            "ended": "2020-11-29T12:11:07.112834Z",
            "start_waiting": "2020-11-29T12:00:44.295728Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 3,
            "ranked": true
        }
    ]
}