GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=509
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58838,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=510",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=508",
    "results": [
        {
            "id": 132858,
            "name": "第9期かおり杯棋聖戦Cリーグ1",
            "director": {
                "id": 575743,
                "username": "site15",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/bc007d9395773691f25a5b61c493d20c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2232.771642016839,
                        "deviation": 66.15745879617059,
                        "volatility": 0.059975550212188235
                    }
                },
                "ranking": 33.51195664282314,
                "professional": false,
                "ui_class": ""
            },
            "description": "このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nTakara18さん、BabbLeahさん、ripples7さん、onesound69さん、K___k_F_k__さん、morningshell2988さん",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45251,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2969,
                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 290,
                "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-04T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-10-04T11:00:49.733461Z",
            "ended": "2025-10-26T12:14:52.837337Z",
            "start_waiting": "2025-10-04T11:00:49.535584Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 55733,
            "name": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1316.9821685399288,
                        "deviation": 63.43421323495305,
                        "volatility": 0.05957446909681467
                    }
                },
                "ranking": 21.29105267589374,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2276,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-01-22T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-01-16T23:25:08.483350Z",
            "ended": "2020-07-28T16:28:11.463019Z",
            "start_waiting": "2020-01-16T23:25:04.400658Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 111135,
            "name": "9x9 Mini League 10k-25k #206",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1287.2192864118942,
                        "deviation": 72.83849601767656,
                        "volatility": 0.06014232866340044
                    }
                },
                "ranking": 20.761876470097913,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. 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",
            "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": 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": 685,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-12-31T20:10:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-31T16:28:44.585500Z",
            "ended": "2024-01-17T23:08:32.625863Z",
            "start_waiting": "2023-12-31T16:28:44.375135Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 113090,
            "name": "人生第一局围棋",
            "director": {
                "id": 975477,
                "username": "小糖果",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/989c54014e78ae780e5836d2a8539d89?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1202.1124412412246,
                        "deviation": 156.68542393277303,
                        "volatility": 0.06000939968768785
                    }
                },
                "ranking": 19.17832565383629,
                "professional": false,
                "ui_class": ""
            },
            "description": "请大家踊跃参与!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 51,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 600,
                "max_time": 600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14058,
                "name": "Feng Qian 老师围棋四天营",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-22T06:26:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 26468,
            "name": "1rst Annual Weirdo's Group Tournament",
            "director": {
                "id": 428135,
                "username": "strikerbro199",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a6ab0a00b600ee59139022c46c7c7993?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1465.3366675512332,
                        "deviation": 61.96727078539408,
                        "volatility": 0.06014754255712306
                    }
                },
                "ranking": 23.76213321813179,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello and please join our group!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "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": 1475,
                "name": "9 by 9 Group",
                "summary": "a group for people who like 9 by 9 games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-04-30T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-04-30T22:00:28.909200Z",
            "ended": "2018-04-03T11:32:58.605279Z",
            "start_waiting": "2017-04-30T22:00:28.045693Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 64155,
            "name": "Correspondence 9x9 RoundRobin 2020-08-11 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20251227T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2025-12-27T19:00:11.693053Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2025-12-30T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-08-11T19:00:39.480852Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-11T19:00:43.322948Z",
            "ended": "2020-09-30T03:56:05.276910Z",
            "start_waiting": "2020-08-11T19:00:42.393058Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 105571,
            "name": "สบายสบาย",
            "director": {
                "id": 1393642,
                "username": "IQup-Platoo",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/9c1efd3f643fda77f35a8498303f9ac9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 652.2262033393732,
                        "deviation": 70.53117994112165,
                        "volatility": 0.060026537813204314
                    }
                },
                "ranking": 5.0233920429931285,
                "professional": false,
                "ui_class": ""
            },
            "description": "มาเล่นด้วยกันนะครับ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8028,
                "name": "Bcc iqup go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 113,
                "icon": "https://user-uploads.online-go.com/6939bd5f871a225450ac30d57494cdc2-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-29T11:20:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-29T11:20:51.206314Z",
            "ended": "2023-07-29T11:36:29.980967Z",
            "start_waiting": "2023-07-29T11:20:51.022052Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6939bd5f871a225450ac30d57494cdc2-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 127247,
            "name": "gergrgrweggrwgrw",
            "director": {
                "id": 1753460,
                "username": "veverrfrefaewf",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/87c09a068f3dd1d2e2f7a407f21d919b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1353.6437132100543,
                        "deviation": 178.0242107302072,
                        "volatility": 0.060012969054646335
                    }
                },
                "ranking": 21.926685007838813,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "theathheaaetgaegae",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 8,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 120,
                "max_time": 1200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11320,
                "name": "Україна",
                "summary": "",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 25,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-07T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-07T20:49:18.596362Z",
            "ended": "2025-04-07T20:50:57.548970Z",
            "start_waiting": "2025-04-07T20:49:18.549809Z",
            "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": 64570,
            "name": "HongKong",
            "director": {
                "id": 825098,
                "username": "火龍王",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/b3abac15d0258efc8d9ecb95216bee5d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1093.507773131364,
                        "deviation": 85.61813708761541,
                        "volatility": 0.06000473558559929
                    }
                },
                "ranking": 16.986258930615072,
                "professional": false,
                "ui_class": ""
            },
            "description": "Sub異能人inYouTube",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 17666,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-22T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-22T11:07:58.122649Z",
            "ended": "2020-11-25T08:27:56.320935Z",
            "start_waiting": "2020-08-22T11:07:57.478501Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 110236,
            "name": "FREE Palestine",
            "director": {
                "id": 1016829,
                "username": "kevinmath",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/6551af930e436f5e20cee09d91ad2508?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2189.914034510191,
                        "deviation": 109.27083070484079,
                        "volatility": 0.059961982966255836
                    }
                },
                "ranking": 33.06327692927378,
                "professional": false,
                "ui_class": ""
            },
            "description": "We free Palestine!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "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": 11451,
                "name": "Mathematics Lover",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "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": "2023-12-31T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-31T21:00:05.500971Z",
            "ended": "2024-04-06T23:39:36.190541Z",
            "start_waiting": "2023-12-31T21:00:05.285336Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        }
    ]
}