List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=description&page=4452
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60359,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=description&page=4453",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=description&page=4451",
    "results": [
        {
            "id": 87928,
            "name": "WSC Live Round Robin",
            "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 plays against everyone at the same time. Live games.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 133,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 120,
                "periods": 5
            },
            "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": false,
            "time_start": "2022-03-29T21:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-03-29T21:00:21.639444Z",
            "ended": "2022-03-29T23:56:50.877233Z",
            "start_waiting": "2022-03-29T21:00:20.609756Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 131434,
            "name": "Houston Go Club - Round Robin Correspondence Tournament (8/21/25)",
            "director": {
                "id": 473476,
                "username": "ajiadjuster",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1886.9598995848182,
                        "deviation": 69.41060089332123,
                        "volatility": 0.05981262866327778
                    }
                },
                "ranking": 29.616351333129803,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Everyone plays everyone once, simultaneously. (If the tournament is full with 8 players, each individual will have 7 simultaneous games.)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1274,
                "name": "Houston Go Club",
                "summary": "Playing go online and at real boards in Houston, Texas.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 76,
                "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-08-21T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-08-16T20:09:09.215498Z",
            "ended": "2025-11-04T21:26:58.642732Z",
            "start_waiting": "2025-08-16T20:09:08.861515Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 131562,
            "name": "Houston Go Club - Round Robin Correspondence Tournament",
            "director": {
                "id": 473476,
                "username": "ajiadjuster",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1886.9598995848182,
                        "deviation": 69.41060089332123,
                        "volatility": 0.05981262866327778
                    }
                },
                "ranking": 29.616351333129803,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Everyone plays everyone once, simultaneously. (If the tournament is full with 8 players, each individual will have 7 simultaneous games.)\n\n***Tournament starts when full***",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44568,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1274,
                "name": "Houston Go Club",
                "summary": "Playing go online and at real boards in Houston, Texas.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 76,
                "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-10-01T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-10-01T17:00:49.197054Z",
            "ended": "2025-11-03T19:51:05.056923Z",
            "start_waiting": "2025-10-01T17:00:49.013073Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 131433,
            "name": "Houston Go Club - Round Robin Handicap Correspondence Tournament (8/21/25)",
            "director": {
                "id": 473476,
                "username": "ajiadjuster",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1886.9598995848182,
                        "deviation": 69.41060089332123,
                        "volatility": 0.05981262866327778
                    }
                },
                "ranking": 29.616351333129803,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Everyone plays everyone once, simultaneously. (If the tournament is full with 8 players, each individual will have 7 simultaneous games.)\n\nSince this is a handicap tournament, you should only join if you believe your OGS rank is fairly accurate. The handicap is one stone per difference in rank (with a max of 9, I think), and it is not adjustable.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1274,
                "name": "Houston Go Club",
                "summary": "Playing go online and at real boards in Houston, Texas.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 76,
                "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-08-21T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-08-21T17:00:06.467223Z",
            "ended": "2025-10-02T18:57:40.743985Z",
            "start_waiting": "2025-08-21T17:00:06.199282Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 86452,
            "name": "Hellenic correspondence tournament, Feb 2022",
            "director": {
                "id": 1042170,
                "username": "sezz",
                "country": "_cat",
                "icon": "https://secure.gravatar.com/avatar/7f1a85a6043c5885b751cb403973074a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1344.1449283151012,
                        "deviation": 61.104661939616214,
                        "volatility": 0.05995538767538803
                    }
                },
                "ranking": 21.763664246586412,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone welcome!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1363,
                "name": "Hellas - Greek Group",
                "summary": "Open for everyone speaking Greek.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 132,
                "icon": "https://user-uploads.online-go.com/0af1b9becacb1ef5e3a4a414acad174a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-02-25T08:00:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-02-25T08:00:05.834922Z",
            "ended": "2022-05-28T21:33:28.351465Z",
            "start_waiting": "2022-02-25T08:00:05.723596Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0af1b9becacb1ef5e3a4a414acad174a-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 122713,
            "name": "Abingdon Christmas Tournament",
            "director": {
                "id": 204231,
                "username": "Duin",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/5aa764ab93c95913061ebff5402129d7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1185.1404717778014,
                        "deviation": 65.3757098612598,
                        "volatility": 0.06005298550667494
                    }
                },
                "ranking": 18.849154236175806,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Everyone welcome, from beginners upwards. You get several days per turn so you just need to check in every day or so.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12962,
                "name": "Abingdon School",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-07T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-12-07T15:00:11.515859Z",
            "ended": "2025-04-12T05:28:23.190401Z",
            "start_waiting": "2024-12-07T15:00:11.135799Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 14394,
            "name": "First Ever Fight To The Death",
            "director": {
                "id": 98629,
                "username": "Mr. P",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/ead9b34ee8f34fdd67e7523d42cb1809-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1301.8833001001337,
                        "deviation": 61.87232333568003,
                        "volatility": 0.059788962607240766
                    }
                },
                "ranking": 21.024110611441284,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone's a Winner",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 313,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 300,
                "main_time": 1200,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 554,
                "name": "SOMS Go Club Group",
                "summary": "Only Savvanna oaks go club people",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/9334bf177365e6636e1ca8790499a83c-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-01-25T21:47:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2016-01-25T21:46:41.521068Z",
            "ended": "2016-01-25T23:39:19.728789Z",
            "start_waiting": "2016-01-25T21:46:41.439199Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9334bf177365e6636e1ca8790499a83c-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 73134,
            "name": "Todo listo para ganar",
            "director": {
                "id": 745213,
                "username": "Paola2021",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/56579b3dd495f33cd6fed4e3fe895f71-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1471.6561489070643,
                        "deviation": 67.17904960708655,
                        "volatility": 0.06000053759979309
                    }
                },
                "ranking": 23.861756355334833,
                "professional": false,
                "ui_class": ""
            },
            "description": "Exclusividad\t\nSólo miembros\nTipo de Torneo\t\nSuizo\nJugadores\t\n4\n-\n100\nIniciar cuando esté lleno\t\nEmparejamiento inicial\t\nAleatorio\nEmparejamientos subsecuentes\t\nPuntaje\nReglas\t\nJaponesas\nTamaño del Tablero\t\n13x13\nVentaja\t\nNinguno\nJugadas Condicionales y Análisis",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4806,
                "name": "COIN Centro de Inteligencias",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 65,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-27T22:40:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-27T22:40:29.605563Z",
            "ended": "2021-03-27T23:41:21.595073Z",
            "start_waiting": "2021-03-27T22:40:29.296896Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 11392,
            "name": "Tournament BJ",
            "director": {
                "id": 143441,
                "username": "GO 2015",
                "country": "hr",
                "icon": "https://user-uploads.online-go.com/1d484170237a1841a15e135bf67ef441-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1409.380850420779,
                        "deviation": 71.72359569805504,
                        "volatility": 0.06010797334851287
                    }
                },
                "ranking": 22.860798883479337,
                "professional": false,
                "ui_class": ""
            },
            "description": "Exclusivity",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 193,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 180,
                "main_time": 1200,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 555,
                "name": "GO Croatia",
                "summary": "Are you looking for a fun and enjoyment?. Will here we are, we encourage you to join our group. Everyone is welcome,",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/b2eb9ab3f64ddf5e3e24a6bbff9087a4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-10-07T09:49:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 35,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-10-09T18:42:30.525075Z",
            "ended": "2015-10-09T19:43:21.979953Z",
            "start_waiting": "2015-10-09T18:42:30.360015Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b2eb9ab3f64ddf5e3e24a6bbff9087a4-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 48266,
            "name": "Game Of Stones 3",
            "director": {
                "id": 87790,
                "username": "WiseBear",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1104.0021061102002,
                        "deviation": 62.08308547890164,
                        "volatility": 0.06028822213904829
                    }
                },
                "ranking": 17.207368885691388,
                "professional": false,
                "ui_class": ""
            },
            "description": "Experimental tournament by the numerous requests of players who like to play games by correspondence faster. If such tournaments become popular, we will establish honorary titles for fans of “quick” games.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 38880,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 36000,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3516,
                "name": "Game Of Stones",
                "summary": "This group is no longer operated.",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 143,
                "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-05-23T01:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-05-23T01:00:57.421904Z",
            "ended": "2019-12-01T11:54:23.516743Z",
            "start_waiting": "2019-05-23T01:00:56.628962Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png",
            "player_count": 13,
            "ranked": true
        }
    ]
}