List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=978
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60532,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=979",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=977",
    "results": [
        {
            "id": 99311,
            "name": "The last tournoi",
            "director": {
                "id": 1123891,
                "username": "LiLanLü",
                "country": "ch",
                "icon": "https://user-uploads.online-go.com/f9525427bc1fa96962fe8662a80cf619-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1590.6983184698297,
                        "deviation": 64.88140050438147,
                        "volatility": 0.060134475875619674
                    }
                },
                "ranking": 25.662472514393393,
                "professional": false,
                "ui_class": ""
            },
            "description": "ok c bon",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 12279,
                "name": "Les Génies - Club de Go Suisse (Coinsins) et France (Moissac)",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 97,
                "icon": "https://user-uploads.online-go.com/3a4d1df61959a49c01c9ffc5aff5eb6d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-24T15:50:00Z",
            "players_start": 14,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-01-24T18:48:29.092329Z",
            "ended": "2023-02-02T18:51:57.527223Z",
            "start_waiting": "2023-01-24T18:48:28.990667Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3a4d1df61959a49c01c9ffc5aff5eb6d-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 99699,
            "name": "3 -> 李梓揚 4 -> 郭在田",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "3 -> 李梓揚\n4 -> 郭在田",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 27,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-04T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-02-04T08:35:23.869814Z",
            "ended": "2023-02-04T09:35:10.867057Z",
            "start_waiting": "2023-02-04T08:35:23.818348Z",
            "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": 132935,
            "name": "Отборочный-2025",
            "director": {
                "id": 443311,
                "username": "rominokun",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/5ac2ac7311439a617e4e8dcd65dfe075-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2099.4088049469997,
                        "deviation": 77.43405946674632,
                        "volatility": 0.06000748966084304
                    }
                },
                "ranking": 32.0861963207287,
                "professional": false,
                "ui_class": ""
            },
            "description": "Основной отборочный осенью",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 56,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 45,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4606,
                "name": "Го-клуб МГУ ",
                "summary": "Го Клуб Московского университета \n\nMoscow University Go Club\n\n莫斯科大学围棋俱乐部\n\nモスクワ大学囲碁クラブ\n\n모스크바 대학교 바둑 클럽",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 333,
                "icon": "https://user-uploads.online-go.com/72df99d6f57876ee51c51a387738a129-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-05T10:06:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-10-05T10:05:06.036576Z",
            "ended": "2025-10-05T12:49:52.257823Z",
            "start_waiting": "2025-10-05T10:05:05.433794Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/72df99d6f57876ee51c51a387738a129-15.png",
            "player_count": 37,
            "ranked": true
        },
        {
            "id": 72194,
            "name": "K2 partidas",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 753.4053047229426,
                        "deviation": 67.37096243887629,
                        "volatility": 0.06060066100971443
                    }
                },
                "ranking": 8.361897455832068,
                "professional": false,
                "ui_class": ""
            },
            "description": "partidas de go",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 61,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2400,
                "period_time": 35,
                "periods": 4
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-04T15:21:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-03-04T15:21:54.484367Z",
            "ended": "2021-03-04T15:54:00.940954Z",
            "start_waiting": "2021-03-04T15:21:54.301309Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 100393,
            "name": "13x13 Round Robin.",
            "director": {
                "id": 126731,
                "username": "Sofiam",
                "country": "it",
                "icon": "https://secure.gravatar.com/avatar/8f70a40f5bfe9550f48b31d5e9993f71?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1655.3956644095636,
                        "deviation": 249.9443167736772,
                        "volatility": 0.05999902471543515
                    }
                },
                "ranking": 26.585392142653802,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Everyone is welcome. It is capped at 10 players. An identical tournament that starts after two weeks or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "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": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 363,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-08T15:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-08T15:00:25.063568Z",
            "ended": "2023-08-06T23:10:14.692674Z",
            "start_waiting": "2023-03-08T15:00:24.453493Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 132928,
            "name": "Обучающий-25-2",
            "director": {
                "id": 443311,
                "username": "rominokun",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/5ac2ac7311439a617e4e8dcd65dfe075-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2099.4088049469997,
                        "deviation": 77.43405946674632,
                        "volatility": 0.06000748966084304
                    }
                },
                "ranking": 32.0861963207287,
                "professional": false,
                "ui_class": ""
            },
            "description": "Тренировка перед отборочным",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 56,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 45,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4606,
                "name": "Го-клуб МГУ ",
                "summary": "Го Клуб Московского университета \n\nMoscow University Go Club\n\n莫斯科大学围棋俱乐部\n\nモスクワ大学囲碁クラブ\n\n모스크바 대학교 바둑 클럽",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 333,
                "icon": "https://user-uploads.online-go.com/72df99d6f57876ee51c51a387738a129-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-02T16:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-10-02T16:31:05.513566Z",
            "ended": "2025-10-02T17:11:11.228273Z",
            "start_waiting": "2025-10-02T16:31:05.316139Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/72df99d6f57876ee51c51a387738a129-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 73150,
            "name": "3月歷碁賽 最終輪 陳樂萌 VS 白振凱",
            "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": "3月歷碁賽 最終輪 陳樂萌 VS 白振凱",
            "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": "2021-03-28T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-03-28T03:49:48.257580Z",
            "ended": "2021-03-28T04:33:52.067332Z",
            "start_waiting": "2021-03-28T03:49:48.092741Z",
            "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": 85146,
            "name": "13x13 partidas para niÑas 3ro",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 753.4053047229426,
                        "deviation": 67.37096243887629,
                        "volatility": 0.06060066100971443
                    }
                },
                "ranking": 8.361897455832068,
                "professional": false,
                "ui_class": ""
            },
            "description": "hello, partidas 13x13",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 4841,
                "name": "PIPIOLO GO 2022🏆",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 214,
                "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-21T18:56:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-01-21T18:56:47.145445Z",
            "ended": "2022-01-21T19:43:17.145214Z",
            "start_waiting": "2022-01-21T18:56:46.981708Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 72347,
            "name": "bananaxd's mini tornament 1",
            "director": {
                "id": 844218,
                "username": "lolroblox",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/898603eb835a4063bf795672200accce-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1319.9778490137012,
                        "deviation": 64.3683573753299,
                        "volatility": 0.05999444409408204
                    }
                },
                "ranking": 21.343651147118212,
                "professional": false,
                "ui_class": ""
            },
            "description": "blah blah\nblah blah blah blah",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 88320,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 387,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-24T09:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-15T08:49:17.054868Z",
            "ended": "2021-04-27T11:06:00.208662Z",
            "start_waiting": "2021-03-15T08:49:16.669051Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72583,
            "name": "Handicap Elimination Blast 4",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1546.1538674294254,
                        "deviation": 62.03504989658016,
                        "volatility": 0.059739123217599915
                    }
                },
                "ranking": 25.004951341512772,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "<b style=\"color:red\">Extreme time controls, only for active correspondence players.</b>\n\nPlease, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 16320,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 832,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-03-28T00:00:00Z",
            "players_start": 16,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-26T23:07:33.478289Z",
            "ended": "2021-05-18T15:23:47.067478Z",
            "start_waiting": "2021-03-26T23:07:32.974398Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 16,
            "ranked": true
        }
    ]
}