List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5678
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58973,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5679",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5677",
    "results": [
        {
            "id": 128586,
            "name": "I’m back :)",
            "director": {
                "id": 1753794,
                "username": "Psycho_Pyro_YT",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/6e7ffcec7fe23ee5c5bda0be29d97918-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1187.5354821860858,
                        "deviation": 79.94171154505682,
                        "volatility": 0.06009032974021443
                    }
                },
                "ranking": 18.895890082838932,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi guyssss",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14868,
                "name": "Study group 9x9, 13x13, 19x19",
                "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-20T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-20T21:00:29.885303Z",
            "ended": "2025-05-20T21:20:54.365499Z",
            "start_waiting": "2025-05-20T21:00:29.811680Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 62273,
            "name": "If you are in the final 2 you will become a admin in our group",
            "director": {
                "id": 747694,
                "username": "kingkaio",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1167.6804695413712,
                        "deviation": 62.48738706337885,
                        "volatility": 0.06012577810744558
                    }
                },
                "ranking": 18.505561177652012,
                "professional": false,
                "ui_class": ""
            },
            "description": "Who ever gets to the final two will become a admin in Tournaments Group.\n\nTournament group admins <strong>CANNOT JOIN<strong>",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 133440,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 129600,
                "initial_time": 345600,
                "max_time": 691200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5683,
                "name": "Tournaments Group",
                "summary": "A group for people who like tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-07-02T23:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-03T03:22:15.421042Z",
            "ended": "2020-11-24T00:39:42.526642Z",
            "start_waiting": "2020-07-03T03:22:15.146837Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 130435,
            "name": "oolooloong19 20 à 24 k",
            "director": {
                "id": 657233,
                "username": "oolooloo",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8f41f10dcbb391aafb7f3a83119225ea-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 784.469918165899,
                        "deviation": 64.9731888312611,
                        "volatility": 0.06010381595696061
                    }
                },
                "ranking": 9.297270657682157,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "oolooloong19 longue durée 20 à 24 k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 278347,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 259200,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 95,
                "name": "France Go Players",
                "summary": "Le groupe pour les joueurs français!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1299,
                "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-27T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 6,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-09T07:10:32.907199Z",
            "ended": "2026-01-14T18:59:20.461182Z",
            "start_waiting": "2025-11-09T07:10:32.825837Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 29366,
            "name": "A+ Exam",
            "director": {
                "id": 463307,
                "username": "LucifereanBeast",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3070831dc79b7fa722827b15c8a548b2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1139.883069875404,
                        "deviation": 77.85639850031227,
                        "volatility": 0.059999300980126465
                    }
                },
                "ranking": 17.94779458027206,
                "professional": false,
                "ui_class": ""
            },
            "description": "A fun ranked game",
            "schedule": null,
            "title": null,
            "tournament_type": "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": 418,
                "name": "Programmers",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 297,
                "icon": "https://user-uploads.online-go.com/2f0f6b52732d8934e861dc1771b1876e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-08-13T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-08-15T06:03:07.407469Z",
            "ended": "2018-10-31T02:07:03.763419Z",
            "start_waiting": "2017-08-15T06:03:07.184219Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2f0f6b52732d8934e861dc1771b1876e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 79752,
            "name": "Go Zodiac Friendship Games Online ราศีกันย์ รุ่น C1 กระดาน 19x19 (1-4 คิว)",
            "director": {
                "id": 912066,
                "username": "cp01",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1025.93061700216,
                        "deviation": 107.2899597198185,
                        "volatility": 0.06005411806588447
                    }
                },
                "ranking": 15.509507700673431,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go Zodiac Friendship Games Online ราศีกันย์ รุ่น C กระดาน 19x19 (1-4 คิว)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7581,
                "name": "การแข่งขันหมากล้อมออนไลน์",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 334,
                "icon": "https://user-uploads.online-go.com/5772b75b13247e45a3922d8202c6c9ce-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-15T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2021-09-15T10:00:31.393698Z",
            "ended": "2021-09-15T12:04:23.978985Z",
            "start_waiting": "2021-09-15T10:00:30.910269Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5772b75b13247e45a3922d8202c6c9ce-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 67314,
            "name": "9x9 Double Elimination - February 2021",
            "director": {
                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0554496406809,
                        "deviation": 84.91308607572303,
                        "volatility": 0.076882078105041
                    }
                },
                "ranking": 15.194279748149173,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone is welcome",
            "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": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 362,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-01T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-01T21:00:35.189345Z",
            "ended": "2021-07-28T22:49:00.448105Z",
            "start_waiting": "2021-02-01T21:00:34.540235Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 34,
            "ranked": true
        },
        {
            "id": 120818,
            "name": "Tengen 1st Annual - JGC Tourney",
            "director": {
                "id": 24187,
                "username": "GOing2",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5c04ce6beb31f99a6c906909932d2496-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1697.0847697997315,
                        "deviation": 62.503937105265074,
                        "volatility": 0.05994757075258442
                    }
                },
                "ranking": 27.161176288224727,
                "professional": false,
                "ui_class": ""
            },
            "description": "Extra Time Club Correspondence games to celebrate Tengen Day (10/10/2024) [lol: 19:00 hours]",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 95290,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 1123200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1874,
                "name": "Juneau Go Club",
                "summary": "We're a Go club located in Juneau, Alaska.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/ef006aec111b59a32884afed34cfa405-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-11T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2024-10-11T03:00:31.091819Z",
            "ended": null,
            "start_waiting": "2024-10-11T03:00:31.012605Z",
            "board_size": 19,
            "active_round": 5,
            "icon": "https://user-uploads.online-go.com/ef006aec111b59a32884afed34cfa405-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 61042,
            "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": "We are playing for 2 rounds and feel free to challenge other player (by clicking their names u can see the 'challenge button') after that if u want! \nRemember to be on time ah! :D",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "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": "2020-05-29T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-05-29T09:00:29.211731Z",
            "ended": "2020-05-29T10:42:33.392566Z",
            "start_waiting": "2020-05-29T09:00:28.940185Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/35cd4a5df990f4963212563cefcde97b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 133077,
            "name": "JORNADA 8 DE ENTRENAMIENTO AVANZADO DE GO OTOÑO 2025",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1169.6020844124685,
                        "deviation": 60.66642891344809,
                        "volatility": 0.05973064422184215
                    }
                },
                "ranking": 18.54362708818033,
                "professional": false,
                "ui_class": ""
            },
            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 37,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14953,
                "name": "Kanik",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-05T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2025-10-05T00:35:49.559167Z",
            "ended": "2025-10-05T00:57:49.340516Z",
            "start_waiting": "2025-10-05T00:35:49.516092Z",
            "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": 59942,
            "name": "May 1st class",
            "director": {
                "id": 751261,
                "username": "stone_clearview",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1f205580d015f22eb043c1adc4a96ed4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1637.3064287948112,
                        "deviation": 86.10308706968758,
                        "volatility": 0.05999506067863534
                    }
                },
                "ranking": 26.331029612642748,
                "professional": false,
                "ui_class": ""
            },
            "description": "May 1st class",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5423,
                "name": "ClearView 2",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-01T19:46:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-01T19:46:39.295829Z",
            "ended": "2020-05-13T14:26:46.457298Z",
            "start_waiting": "2020-05-01T19:46:38.893708Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}