List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=546
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58889,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=547",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=545",
    "results": [
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            "name": "it is not me K",
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                "summary": "An open group for folks' who like OGS!",
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            "exclusivity": "open",
            "started": "2024-08-07T05:27:02.306442Z",
            "ended": "2024-09-28T19:06:07.649635Z",
            "start_waiting": "2024-08-07T05:27:02.244416Z",
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            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 3,
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        },
        {
            "id": 109010,
            "name": "Chí Khang - Vy Lê",
            "director": {
                "id": 1357489,
                "username": "dangkhoa9139",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/70c4ec65a0fdc8d1ca1928e1fa64e7d0?s=64&d=retro",
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                },
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                "ui_class": ""
            },
            "description": "Mùa Đông Sum Vầy 2023",
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            "tournament_type": "mcmahon",
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            "rules": "japanese",
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            },
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            "time_start": "2023-10-29T07:09:00Z",
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            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2023-10-29T07:09:37.496060Z",
            "ended": "2023-10-29T07:28:51.003461Z",
            "start_waiting": "2023-10-29T07:09:37.435858Z",
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        },
        {
            "id": 69879,
            "name": "Yaowen",
            "director": {
                "id": 756229,
                "username": "mrrabbuit",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/95a91e6b595a49e91968bd28f3e90ce4-64.png",
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                },
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                "professional": false,
                "ui_class": ""
            },
            "description": "8/1/2021",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
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            "group": {
                "id": 5118,
                "name": "SP Weiqi 2020/2021",
                "summary": "",
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                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png"
            },
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            "time_start": "2021-01-08T11:00:00Z",
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            "max_ranking": 38,
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            "ended": "2021-01-11T11:18:59.321085Z",
            "start_waiting": "2021-01-08T10:48:05.990365Z",
            "board_size": 19,
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            "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
            "player_count": 2,
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        },
        {
            "id": 63337,
            "name": "Noob bot games 1",
            "director": {
                "id": 800307,
                "username": "noob_bot_3",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png",
                "ratings": {
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                        "deviation": 99.8787298589619,
                        "volatility": 0.14882815634352978
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                },
                "ranking": 15.91614786552419,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Tournament with bot",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
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            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 886,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-24T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-24T12:00:37.302067Z",
            "ended": "2020-07-24T12:19:44.368811Z",
            "start_waiting": "2020-07-24T12:00:36.691180Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 90726,
            "name": "Aリーグ(2級以上)",
            "director": {
                "id": 776731,
                "username": "AYAMI.S",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png",
                "ratings": {
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                    "overall": {
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                        "deviation": 62.434741307036,
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                },
                "ranking": 32.47960874599521,
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            },
            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 20160,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1814400
            },
            "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": 116,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-06-09T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 28,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-06-09T11:00:19.195177Z",
            "ended": "2022-07-19T03:30:00.752504Z",
            "start_waiting": "2022-06-09T11:00:19.027824Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 5,
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        },
        {
            "id": 88172,
            "name": "1 -> 陳瞻5 -> 葉恩滌",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
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                    "overall": {
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                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
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                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 -> 陳瞻5 -> 葉恩滌",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-04-03T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-03T07:51:15.909719Z",
            "ended": "2022-04-03T08:15:47.292202Z",
            "start_waiting": "2022-04-03T07:51:15.858151Z",
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            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
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        },
        {
            "id": 89375,
            "name": "1 -> 李子霆 2 -> 胡煜樑",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
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                "professional": false,
                "ui_class": ""
            },
            "description": "1 -> 李子霆\n2 -> 胡煜樑",
            "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
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            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-04-30T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-30T03:42:47.723126Z",
            "ended": "2022-04-30T04:13:06.423091Z",
            "start_waiting": "2022-04-30T03:42:47.665080Z",
            "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": 135515,
            "name": "第六回ほたて会[第二回寒風戦]二桁級リーグ",
            "director": {
                "id": 1921641,
                "username": "ほたて囲碁教室2",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/651c2aebc8ac9e8fef162798dd97d08a-64.png",
                "ratings": {
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                    "overall": {
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                        "deviation": 250,
                        "volatility": 0.06
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                },
                "ranking": 29.0,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "日時:令和7年12月28日(日)16:00~20:00\n\n※20:00には終了できますようご協力お願い致します\n\n対局開始方法:お時間になりますと、自動で対局が開始されます。OGSを開いてお待ち下さい。\n\n対局方法:総当たり戦(同時対局)\n\n※全ての対局をまんべんなく打ち進めて頂くようご協力をお願いいたします\n\n着手方法:盤面ワンクリックで着手(打ち間違いに気をつけて下さい)or 盤面に石を打って画面右上のユーザー名下にある「着手決定」をクリック\n※皆様のOGSの【通信対局】設定により変わります\n\n※着手すると【自動で自分の手番の他の対局画面に切り替わります】。もし、切り替わらない場合は、【ホーム画面】に戻り、対局一覧から自分の手番の対局を選択するか、画面右上のベルマーク(青色か緑色になっており、右に数字の吹き出しがある)をクリックすると、自分の手番の対局画面に移動します。こちらもOGSの設定で変更可能です。\n\nzoom:使用しません\n\n飲食:自由\n\n対局中に席を離れても大丈夫です\n\n解散方法:全ての対局が終わり次第、各自終了です\n\n結果:この画面に表示されます and ほたて先生から報告します。\n\n↓↓このリーグの参加者は↓↓\n\nm_tzr 香川県 10級\n\nMikebo02 香川県 10級\n\nみめまる 香川県 14級\n\nshousei 香川県 17級\n\nshinonono 香川県 19級",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15290,
                "name": "ほたてオンライン",
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                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 41,
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            "time_start": "2025-12-28T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-12-28T07:00:12.168484Z",
            "ended": "2025-12-28T10:15:01.883414Z",
            "start_waiting": "2025-12-28T07:00:12.042034Z",
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            "player_count": 5,
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        {
            "id": 109012,
            "name": "Hoàng Việt - Hoàng Nguyễn",
            "director": {
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                "username": "dangkhoa9139",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/70c4ec65a0fdc8d1ca1928e1fa64e7d0?s=64&d=retro",
                "ratings": {
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                "professional": false,
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            },
            "description": "Giải mùa đông sum vầy",
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                "main_time": 300,
                "period_time": 15,
                "periods": 3
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            "is_open": true,
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                "name": "Ichi-Go PTNK Club",
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                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
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