List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=576
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=577",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=575",
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            "name": "Correspondence 19x19 RoundRobin 2016-01-22 have fun ! #2",
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                "id": 109444,
                "username": "VPshunt",
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                "id": 873,
                "name": "楽碁倶楽部(Rakugo Club)",
                "summary": "碁は楽しまないとね",
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        },
        {
            "id": 121205,
            "name": "future world (1-4k)",
            "director": {
                "id": 1605251,
                "username": "FZD2024",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/fcd1512b34c1e6067a040674bb6686aa-64.png",
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                },
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            },
            "description": "Let us find the future.",
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            "rules": "chinese",
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            "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,
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            },
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        },
        {
            "id": 135120,
            "name": "9x9 Mini League 1k-9k #159",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                },
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            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
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        },
        {
            "id": 77185,
            "name": "Practice game NZ Rules",
            "director": {
                "id": 777164,
                "username": "sweissner2",
                "country": "us",
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                },
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                "ui_class": "supporter"
            },
            "description": "Friday 10 pm GMT",
            "schedule": null,
            "title": null,
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            "handicap": 0,
            "rules": "nz",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
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            },
            "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": false,
            "time_start": "2021-07-09T21:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2021-07-09T21:02:22.409130Z",
            "ended": "2021-07-09T22:13:09.079242Z",
            "start_waiting": "2021-07-09T21:02:22.366630Z",
            "board_size": 19,
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            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 2,
            "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": {
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                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
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                },
                "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,
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            "time_per_move": 33587,
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                "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": 30,
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            },
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            "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",
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            "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 70841,
            "name": "SDK small tournament",
            "director": {
                "id": 770016,
                "username": "Patience_Tester",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1668.861355326394,
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                        "volatility": 0.06001401343751416
                    }
                },
                "ranking": 26.77294229169396,
                "professional": false,
                "ui_class": ""
            },
            "description": "have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 611520,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 604800,
                "periods": 7
            },
            "is_open": true,
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            "group": {
                "id": 6273,
                "name": "19x19 Players",
                "summary": "19x19 enthusiasts",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "min_ranking": 21,
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            "exclusivity": "open",
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            "ended": "2021-06-23T11:00:11.676891Z",
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            "ranked": true
        },
        {
            "id": 76161,
            "name": "Simple Correspondence 13x13 SDK 2021 July",
            "director": {
                "id": 302584,
                "username": "koast",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png",
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                "professional": false,
                "ui_class": ""
            },
            "description": "13x13 RR no conditional moves",
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            "title": null,
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            "handicap": 0,
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            "time_per_move": 172800,
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                "time_control": "simple",
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            },
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            "group": {
                "id": 5017,
                "name": "Simple Correspondence",
                "summary": "2 days per move. No Analysis.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "analysis_enabled": false,
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            "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 108630,
            "name": "Meenoi’s Tournament ครั้งที่ 0.1",
            "director": {
                "id": 431142,
                "username": "MeenoiVader01",
                "country": "th",
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                },
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            "description": "ทดลองเปิดแข่งขัน กระดาน 9x9 โหมดเกมยาว\nการวางหมากจะต้องกด submit move เพื่อยืนยัน",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
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                "main_time": 345600,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11770,
                "name": "We pIay",
                "summary": "ขอใช้กลุ่มนี้เป็นที่นัดหมายแข่งขันนะครับ",
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        {
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            "name": "9x9 Mini League 1k-9k #121",
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                "username": "wiadp1",
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            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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