List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-auto_start_on_max&page=740
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "id": 131380,
            "name": "Fast Round Robin for 1k-6k # I",
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                "id": 1632034,
                "username": "exxelxior",
                "country": "001",
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            "description": "Fast tournament: pay attention, 12 hours increment is something like two movements per day to keep the flow ;-)\n\nQuoted from Fast Correspondence Group (thanx):\n“Use the conditional move feature to speed up the game. No pausing and no vacations; anyone who has vacation mode switched on or pauses a game, will be disqualified. Also, please do not use AI.”\n\nAnd I add: and no weekends, just make your move; it's a tournament, my friend!",
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                "id": 15509,
                "name": "Fast and narrow rank range tournaments",
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            },
            "auto_start_on_max": true,
            "time_start": "2025-09-08T23:33:00Z",
            "players_start": 8,
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            "min_ranking": 24,
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        {
            "id": 89995,
            "name": "3 -> 梁予深 4 -> 郭在田",
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                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
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            "description": "3 -> 梁予深\n4 -> 郭在田",
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            "time_per_move": 36,
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                "system": "byoyomi",
                "time_control": "byoyomi",
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            },
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                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
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            "time_start": "2022-05-14T09:00:00Z",
            "players_start": 2,
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        {
            "id": 137888,
            "name": "9x9 Open League #150",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
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            "description": "Open league for everyone. Tournament will be started as soon as 10 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.",
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        {
            "id": 113684,
            "name": "9x9 Mini League 5k-15k #73",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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            "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
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                "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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            "auto_start_on_max": true,
            "time_start": "2024-03-17T20:00:00Z",
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
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        {
            "id": 72565,
            "name": "Nine*Nine, NineNineNine",
            "director": {
                "id": 109488,
                "username": "DVbS78rkR7NVe",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro",
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            },
            "description": "<h2 style=\"color:red\">999 Rounds of 9x9</h2>\n\nThis is another silly tournament, this time it's 9x9 but with lots and lots of rounds (if it even works).\n\nGames themselves are meant to be relatively quick.\n\nUsing \"pause\" may result in disqualification if it holds the tournament from advancing to the next round.\n\nIf only one active player is left, the tournament is ended prematurely, I think. In a way, this is a survival tournament.\n\nInspired by The Nonary Games.",
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            "title": null,
            "tournament_type": "mcmahon",
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                "max_time": 259200
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            "group": {
                "id": 6124,
                "name": "Leopard's Resting Tree",
                "summary": "A little corner for cat tournaments",
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                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 312,
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            "auto_start_on_max": true,
            "time_start": "2021-07-01T00:00:00Z",
            "players_start": 9,
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            "subsequent_pairing_method": "strength",
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            "analysis_enabled": true,
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            "started": "2021-04-03T23:51:06.817992Z",
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        {
            "id": 89985,
            "name": "1 -> 梁諾琛 2 -> 馬彥彬",
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                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
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            },
            "description": "1 -> 梁諾琛\n2 -> 馬彥彬",
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                "periods": 3
            },
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            "group": {
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                "name": "傳碁 B班",
                "summary": "",
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            "time_start": "2022-05-14T05:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
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            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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            "ranked": true
        },
        {
            "id": 137735,
            "name": "13x13 Mini League 10k-25k #51",
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                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
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                "ui_class": "supporter"
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            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
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            },
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            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
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                "hide_details": false,
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            "time_start": "2026-03-06T22:00:00Z",
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            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
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            "active_round": 1,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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            "ranked": true
        },
        {
            "id": 71470,
            "name": "OCU2020年度総当たりリーグ戦",
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                "id": 935058,
                "username": "せんにん",
                "country": "jp",
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                },
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                "ui_class": ""
            },
            "description": "2020年度囲碁部内総当たりリーグ戦です。",
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            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90240,
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                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
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                "max_time": 604800
            },
            "is_open": true,
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            "group": {
                "id": 8272,
                "name": "OCU囲碁部",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
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                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/77dcde27f57536f8a663f8363a6dcc70-64.png"
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            "auto_start_on_max": true,
            "time_start": "2021-02-18T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-02-18T00:00:16.182470Z",
            "ended": "2021-08-10T05:36:43.290595Z",
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        {
            "id": 129971,
            "name": "Primus inter pares (4) (12 k only)",
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                "id": 1218730,
                "username": "Petru Dumitriu",
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                },
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            },
            "description": "Dear 12 k players,\n\nThis is really unique and (no longer) unprecedented. A tournament dedicated exclusively to serious and dedicated 12 k players. The new format has proved to be attractive and successful.\n\nThe previous edition of the round robin took shorter than any other tournament I participate in: from February till May. It will give you a quick but meaningful assessment of your potential\n\nThe best chance to focus and to enjoy a challenging tournament, free of frustration, pure pleasure. \n\nJoin as soon as you can to make sure that you are still 12 k.",
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                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 655,
                "name": "Romania",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 30,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-06-29T15:00:00Z",
            "players_start": 9,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 18,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-01T04:27:26.656544Z",
            "ended": "2025-10-15T15:33:29.879944Z",
            "start_waiting": "2025-07-01T04:27:26.179491Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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        },
        {
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