List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-board_size&page=108
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60083,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=109",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=107",
    "results": [
        {
            "id": 49299,
            "name": "Go Okulu 3. OGS Turnuvası",
            "director": {
                "id": 615578,
                "username": "Muhammed Alperen Yaşar",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/e5b88cdec6f4e20f0420257666d7c05e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1567.7271262956808,
                        "deviation": 62.05939195674466,
                        "volatility": 0.05994201110747963
                    }
                },
                "ranking": 25.32572720576222,
                "professional": false,
                "ui_class": ""
            },
            "description": "Herkese merhabalar, 2. turnuvanın formatını devam ettiriyoruz bu turnuvada da. Double Elimination formatı biraz daha hızlı ve görünüşe göre çabuk bitiyor o yüzden turnuvaları sıklandırmak, bir öncekinin bitmesini beklemeden bir sonrakini başlatmak daha makul olacak gibi.\n\nTurnuva Cumartesi sabahı başlayacaktır\n\nHerkese başarılar dilerim!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": false,
            "group": {
                "id": 3526,
                "name": "Online Go Topluluğu",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/bb0d3bc225956c302c496d2504182cfc-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-06-14T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-06-14T23:00:48.877613Z",
            "ended": "2020-04-29T09:31:40.090915Z",
            "start_waiting": "2019-06-14T23:00:48.048781Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bb0d3bc225956c302c496d2504182cfc-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 59176,
            "name": "TGIF Go",
            "director": {
                "id": 740650,
                "username": "NTU_A2_Yinjie",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/32673ba532ce8cb16892bcf703e9a202?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1586.8680548340928,
                        "deviation": 98.41982628042037,
                        "volatility": 0.05999967441874643
                    }
                },
                "ranking": 25.606662101205064,
                "professional": false,
                "ui_class": ""
            },
            "description": "For those who enjoy playing go on a friday night!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4597,
                "name": "NTU Weiqi",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 37,
                "icon": "https://user-uploads.online-go.com/35cd4a5df990f4963212563cefcde97b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-17T11:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-04-17T11:30:29.833553Z",
            "ended": "2020-04-17T15:03:55.843683Z",
            "start_waiting": "2020-04-17T11:30:29.168741Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/35cd4a5df990f4963212563cefcde97b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 57422,
            "name": "Fast Correspondence DDK 2020-03-21",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1523.6905157613091,
                        "deviation": 61.871308506532216,
                        "volatility": 0.059736468741597874
                    }
                },
                "ranking": 24.66614858276941,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled mainly to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "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": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-21T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-21T00:00:20.982419Z",
            "ended": "2020-04-21T21:03:09.437874Z",
            "start_waiting": "2020-03-21T00:00:17.603276Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 1055,
            "name": "GoCat's mini-tournament",
            "director": {
                "id": 2178,
                "username": "GoCat",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/3a72679618edbc549b9a38ad11aacd2f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2071.263405921274,
                        "deviation": 63.71542764130719,
                        "volatility": 0.059969264226762936
                    }
                },
                "ranking": 31.773740272511837,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 864000,
                "time_increment": 86400
            },
            "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": 23,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-03-09T03:31:25Z",
            "ended": "2010-03-09T02:31:25Z",
            "start_waiting": null,
            "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": 57754,
            "name": "Blitz 19x19 Elimination Tournament 2020-03-20 17:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260630T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-06-30T01:00:17.197412Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-06-30T05:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-03-20T17:30:01.498463Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-03-20T17:30:03.274717Z",
            "ended": "2020-03-20T17:59:53.445435Z",
            "start_waiting": "2020-03-20T17:30:02.721555Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 202,
            "name": "Adziu's mini-tournament, open to all",
            "director": {
                "id": 4432,
                "username": "Adziu",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/060a9a5b4dddd4f246619aae4031290f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1635.1951208799228,
                        "deviation": 65.82369268222764,
                        "volatility": 0.05990032843262842
                    }
                },
                "ranking": 26.30115840600206,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 864000,
                "time_increment": 172800
            },
            "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-03-07T09:50:00Z",
            "ended": "2007-11-07T03:23:00Z",
            "start_waiting": null,
            "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": 2638,
            "name": "Por ĉiuj esperantejanoj",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 872.4358271776667,
                        "deviation": 67.16931578364454,
                        "volatility": 0.05926939074897978
                    }
                },
                "ranking": 11.757672905887626,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Oni invitas ankaŭ aliaj samideanoj",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 137,
                "name": "Esperantejo",
                "summary": "Por esperanta go luduloj",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 106,
                "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.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": false,
            "exclusivity": "open",
            "started": "2014-02-04T04:00:40.521679Z",
            "ended": "2014-05-02T12:38:51.408017Z",
            "start_waiting": "2013-11-13T21:10:02.450161Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 200,
            "name": "fast mini-tournament",
            "director": {
                "id": 4739,
                "username": "deleted-403d1294-8fa5-44f3-9850-1ec7061ff4ef",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/f3507289cfdc8c9ae93f4098111a13f9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1581.4244357293603,
                        "deviation": 66.94581018725678,
                        "volatility": 0.05996864419429391
                    }
                },
                "ranking": 25.527111424204104,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "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": 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": 18,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-03-04T15:50:00Z",
            "ended": "2007-11-12T23:02:00Z",
            "start_waiting": null,
            "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": 56280,
            "name": "Correspondence Round-Robin - No Handicap - 14-11kyu",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1224.6277064583512,
                        "deviation": 63.11354021176334,
                        "volatility": 0.05957460229763895
                    }
                },
                "ranking": 19.607908810488993,
                "professional": false,
                "ui_class": ""
            },
            "description": "Correspondence Round-Robin - No Handicap - 14-11kyu",
            "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": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2287,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-02-11T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 16,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-10T11:57:48.770167Z",
            "ended": "2020-08-16T19:37:36.268015Z",
            "start_waiting": "2020-02-10T11:57:44.642525Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 55284,
            "name": "Subotica",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 27,
                "name": "Serbian Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-01-03T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 12,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-01-03T16:00:09.537108Z",
            "ended": "2020-04-01T14:03:02.518357Z",
            "start_waiting": "2020-01-03T16:00:08.845717Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}