List all tournaments or create a new tournament.

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

{
    "count": 59921,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=rules&page=2",
    "previous": null,
    "results": [
        {
            "id": 34524,
            "name": "Class D Rapid",
            "director": {
                "id": 153455,
                "username": "El0m",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/018b099d6b5f111ad780b468738dc998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1295.7038814112566,
                        "deviation": 70.83331711939027,
                        "volatility": 0.0603648964543371
                    }
                },
                "ranking": 20.913967003155264,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for beginners and those new to the game.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 84480,
            "time_control_parameters": {
                "period_time": 1209600,
                "main_time": 2419200,
                "system": "canadian",
                "pause_on_weekends": true,
                "time_control": "canadian",
                "stones_per_period": 21,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1398,
                "name": "Ratio",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-01T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-03-01T07:00:52.612294Z",
            "ended": "2018-06-29T13:27:58.040466Z",
            "start_waiting": "2018-03-01T07:00:51.861438Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 73818,
            "name": "felix tournament",
            "director": {
                "id": 817673,
                "username": "agcFelixT",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/de79471fda7f4599450610648d684750?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1217.0041454536904,
                        "deviation": 86.81471409012131,
                        "volatility": 0.06001367437206343
                    }
                },
                "ranking": 19.46334482912078,
                "professional": false,
                "ui_class": ""
            },
            "description": "10293743923847103904284",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 2446080,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 2419200,
                "period_time": 2419200,
                "periods": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8892,
                "name": "~Go class~",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-13T22:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-04-13T22:00:55.741766Z",
            "ended": "2021-05-01T07:23:32.746295Z",
            "start_waiting": "2021-04-13T22:00:55.670669Z",
            "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": 2612,
            "name": "SDK4",
            "director": {
                "id": 104,
                "username": "Oolong4Go",
                "country": "_Klingon",
                "icon": "https://secure.gravatar.com/avatar/8e91ccf2e8ceef7a17d825edc71c1924?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1487.0974735216928,
                        "deviation": 79.93436684201419,
                        "volatility": 0.06000532839122804
                    }
                },
                "ranking": 24.103391824779585,
                "professional": false,
                "ui_class": ""
            },
            "description": "Even games ",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 20,
                "name": "Single Digit Kyu Room",
                "summary": "A room for SDK's \r\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 760,
                "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 20,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2013-12-04T19:14:01.851421Z",
            "ended": "2014-03-11T13:23:15.391154Z",
            "start_waiting": "2013-12-04T19:14:00.107416Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 125829,
            "name": "Tournoi 13x13 des BG",
            "director": {
                "id": 1693139,
                "username": "Yoyot",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/c7a10116f36c73e4027ed5780f1404a6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2797.1620283218504,
                        "deviation": 98.30143363053564,
                        "volatility": 0.060555783911471886
                    }
                },
                "ranking": 38,
                "professional": false,
                "ui_class": ""
            },
            "description": "Un petit tournoi 13x13, vous êtes un BG?\nParticipez!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 600,
                "max_time": 600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15104,
                "name": "Les BG",
                "summary": "Un petit groupe pour les BG qui jouent au go. Vous êtes un BG? Alors ne trahissez pas les peu de BG qu'il y a dans le monde et soyez à votre PRIME!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-27T16:30:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-02-27T16:30:50.873544Z",
            "ended": "2025-02-27T16:47:28.558580Z",
            "start_waiting": "2025-02-27T16:30:50.821506Z",
            "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": 33,
            "name": "First tournament - 9x9",
            "director": {
                "id": 27,
                "username": "Phelan",
                "country": "pt",
                "icon": "https://secure.gravatar.com/avatar/f7ae9c72785aceddcc5dda7fddc31df5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1628.4113718303724,
                        "deviation": 62.038856102640445,
                        "volatility": 0.060180926287285365
                    }
                },
                "ranking": 26.20491885198544,
                "professional": false,
                "ui_class": ""
            },
            "description": "For fun and games.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 518400,
                "max_time": 518400,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 47,
                "name": "BGG WW",
                "summary": "A group for the BGG WW forum to play Go. Check the tournament tab for tournaments and ladder competitions.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 33,
                "icon": "https://user-uploads.online-go.com/32f5444e74e6c9db4a60b0cd1dbf8fe3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2013-10-01T09:58:50.237414Z",
            "ended": "2013-12-01T12:05:57.930811Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/32f5444e74e6c9db4a60b0cd1dbf8fe3-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2964,
            "name": "Newby's Month Long Round Robin",
            "director": {
                "id": 66298,
                "username": "Peter ;)",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/00eabc6c532138982adc562c0c346c98-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1941.4459960341776,
                        "deviation": 78.28401574064385,
                        "volatility": 0.05996981929695001
                    }
                },
                "ranking": 30.275340134490737,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament finishes in a month. No more waiting for seven days for the next move. Each player has 15 days total time. For 110 stones each, that's 3.5 hours per move.  \n\nThis is for impatient newbies like me. So keeping the dans out! Please don't join if you can't finish a game in a month.\n\nConditional moves enabled, no handicaps.\n\nBegins on August 1st and finishes on August 31st.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 14400,
            "time_control_parameters": {
                "total_time": 1296000,
                "time_control": "absolute"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-08-01T07:24:52.340817Z",
            "ended": "2014-09-11T14:10:11.537199Z",
            "start_waiting": "2014-08-01T07:24:49.080563Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 61930,
            "name": "tourney 4",
            "director": {
                "id": 482393,
                "username": "Wowza",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/787db1c7c02392fc7fd94ded59985014?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1395.0983101576703,
                        "deviation": 60.788436126936396,
                        "volatility": 0.05998045429418925
                    }
                },
                "ranking": 22.625002040838393,
                "professional": false,
                "ui_class": ""
            },
            "description": "you know how it be sometimes",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 120,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 120
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5729,
                "name": "SA Go Camp",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-06-14T20:20:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-06-14T20:18:52.394750Z",
            "ended": "2020-06-14T20:20:23.091203Z",
            "start_waiting": "2020-06-14T20:18:52.258583Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 88158,
            "name": "9x9 Games",
            "director": {
                "id": 1137809,
                "username": "下棋狂人",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/78c0d398f063e281134cdb6383797875?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1622.6552643982563,
                        "deviation": 75.63685185604537,
                        "volatility": 0.06001090761464667
                    }
                },
                "ranking": 26.122943278302,
                "professional": false,
                "ui_class": ""
            },
            "description": "12345",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 30,
                "max_time": 60
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11501,
                "name": "9x9 is best",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-03T04:35:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-04-03T04:35:37.699337Z",
            "ended": "2022-04-03T04:35:37.683423Z",
            "start_waiting": "2022-04-03T04:35:37.624846Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 118982,
            "name": "💖🩷💜🏳️‍🌈 LGBT+ Pride Spread Love & peace Tournament🏳️‍🌈💜🩷💖",
            "director": {
                "id": 1436588,
                "username": "Arrow A6 anti-",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 588.6751839572613,
                        "deviation": 80.73457404236709,
                        "volatility": 0.0636275307525229
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "🏳‍⚧💖🩷🏳️‍🌈\n\n<p>\n<embed src=\"https://www.youtube.com/embed/b1kbLwvqugk\"width=\"360\" height=\"180\">\n</p>\n\n\n<p>\n<embed src=\"https://www.youtube.com/embed/gQlMMD8auMs\"width=\"360\" height=\"180\">\n</p>\n\n\n\n<p>\n<embed src=\"https://www.youtube.com/embed/weRHyjj34ZE\"width=\"360\" height=\"180\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/c18441Eh_WE\"width=\"360\" height=\"180\">\n</p>\n\n\n\n<a href=\"https://info.flagcounter.com/XQ94\"><img src=\"https://s11.flagcounter.com/mini/XQ94/bg_C300FF/txt_EBEBEB/border_F7FF00/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 432000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 432000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13986,
                "name": "because why not",
                "summary": "a group were you all can be yourself with no judgment.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/2f1b2f2a71d44a09af2fe9478d79f638-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-31T05:00:00Z",
            "players_start": 28,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-31T05:00:18.518375Z",
            "ended": null,
            "start_waiting": "2025-03-31T05:00:13.199342Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/2f1b2f2a71d44a09af2fe9478d79f638-15.png",
            "player_count": 131,
            "ranked": true
        },
        {
            "id": 86370,
            "name": "GO Game",
            "director": {
                "id": 1035195,
                "username": "SECRET SOLD 0883",
                "country": "au",
                "icon": "https://secure.gravatar.com/avatar/27c06f0addf96d0a389a9aedc69e19e8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 662.6463996212356,
                        "deviation": 81.61936711942215,
                        "volatility": 0.059985348352244984
                    }
                },
                "ranking": 5.390321270292009,
                "professional": false,
                "ui_class": ""
            },
            "description": "hi GUYs this is a great tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "aga",
            "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": 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": 18010,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-10-15T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-10-15T12:00:01.640889Z",
            "ended": "2023-04-28T16:12:55.350832Z",
            "start_waiting": "2022-10-15T12:00:01.498197Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}