List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=183
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59654,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=184",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=182",
    "results": [
        {
            "id": 85714,
            "name": "SS 19×19 2022 - 3",
            "director": {
                "id": 743533,
                "username": "ss76",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 865.69965614538,
                        "deviation": 63.39878919317945,
                        "volatility": 0.06003400172803372
                    }
                },
                "ranking": 11.578235639193064,
                "professional": false,
                "ui_class": ""
            },
            "description": "play go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 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": 17961,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-02-08T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-28T09:21:37.522262Z",
            "ended": "2022-11-05T16:40:56.405779Z",
            "start_waiting": "2022-09-28T09:21:37.416919Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 68563,
            "name": "Zalaegerszeg",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 803.6705714414907,
                        "deviation": 64.60259982805724,
                        "volatility": 0.05991432696384124
                    }
                },
                "ranking": 9.85706594685124,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 24480,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 21600,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 91,
                "name": "Magyar",
                "summary": "Hungarian go players",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-12-04T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 12,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-04T11:00:14.963818Z",
            "ended": "2020-12-04T11:10:37.925454Z",
            "start_waiting": "2020-12-04T11:00:14.704248Z",
            "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": 57641,
            "name": "The world go",
            "director": {
                "id": 736022,
                "username": "楊博皓",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0bcc85dcf5138f903a59c1fc96b917bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.604332011829,
                        "deviation": 65.76762527276921,
                        "volatility": 0.05999650627120625
                    }
                },
                "ranking": 24.93673238502052,
                "professional": false,
                "ui_class": ""
            },
            "description": "You can play go there",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 15,
                "periods": 10
            },
            "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": 17961,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-18T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-18T19:37:08.813358Z",
            "ended": "2020-03-18T20:26:14.482573Z",
            "start_waiting": "2020-03-18T19:37:06.775703Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 130339,
            "name": "Handicap Arena 2025 - 057",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1077.8062026159018,
                        "deviation": 64.54803739217054,
                        "volatility": 0.060067993079648024
                    }
                },
                "ranking": 16.651440753537567,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 107,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-15T17:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-14T19:45:59.156029Z",
            "ended": "2025-12-02T15:42:14.138888Z",
            "start_waiting": "2025-07-14T19:45:58.580729Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 47590,
            "name": "Learners Tourney",
            "director": {
                "id": 508594,
                "username": "Kampinkarl1",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/7cceb0191a16caacbcd28f303e6b72ac-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1459.7204371363496,
                        "deviation": 67.42639978843152,
                        "volatility": 0.060125611186152214
                    }
                },
                "ranking": 23.673235197189392,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for players in DDK trying to rapidly learn the game.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "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,
                "member_count": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-04-21T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-04-18T19:46:26.776980Z",
            "ended": "2019-07-15T13:14:01.950527Z",
            "start_waiting": "2019-04-18T19:46:22.262581Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 134575,
            "name": "13x13 Mini League 10k-25k #35",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1073.2840100977699,
                        "deviation": 66.95187850935433,
                        "volatility": 0.06002501957710229
                    }
                },
                "ranking": 16.55410507658349,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 59,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-11-28T22:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-11-24T15:15:35.756016Z",
            "ended": "2026-01-08T05:37:46.764129Z",
            "start_waiting": "2025-11-24T15:15:35.528160Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 70803,
            "name": "1月歷碁賽第三輪 簡頌賢 VS 潘逸軒",
            "director": {
                "id": 928963,
                "username": "傳碁學園-歷碁賽",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "1月歷碁賽第三輪 簡頌賢 VS 潘逸軒",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1500
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8175,
                "name": "歷碁賽 A組",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-01-31T05:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-01-31T04:00:04.951430Z",
            "ended": "2021-01-31T04:33:31.502055Z",
            "start_waiting": "2021-01-31T04:00:04.888343Z",
            "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": 92148,
            "name": "Akwa 27",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 803.6705714414907,
                        "deviation": 64.60259982805724,
                        "volatility": 0.05991432696384124
                    }
                },
                "ranking": 9.85706594685124,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3317,
                "name": "Akwa-chichirmala",
                "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": true,
            "time_start": "2022-07-08T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-07-07T10:52:26.156277Z",
            "ended": "2023-02-22T17:57:25.992203Z",
            "start_waiting": "2022-07-07T10:52:25.915247Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 62714,
            "name": "Vs darryl",
            "director": {
                "id": 776700,
                "username": "Pang Kai Yong Darryl",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/3a31431602c52009ba5c0e478bdb9277?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1007.6367844817655,
                        "deviation": 75.40703573340481,
                        "volatility": 0.05994581570529703
                    }
                },
                "ranking": 15.092984847960091,
                "professional": false,
                "ui_class": ""
            },
            "description": "Vs darryl",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "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": 5118,
                "name": "SP Weiqi 2020/2021",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-07-03T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-03T10:58:19.140937Z",
            "ended": "2020-07-09T00:59:49.908563Z",
            "start_waiting": "2020-07-03T10:58:19.093759Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 107329,
            "name": "19x19 Open D.E. Cup #39",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1257.4677062675705,
                        "deviation": 69.47770027155092,
                        "volatility": 0.06021177612116814
                    }
                },
                "ranking": 20.220528581218108,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-09-17T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-12T12:01:54.260583Z",
            "ended": "2025-05-06T16:29:34.692156Z",
            "start_waiting": "2023-09-12T12:01:54.132746Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}