List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3191
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60947,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=3192",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=3190",
    "results": [
        {
            "id": 141956,
            "name": "LegendOfKazan Takt1k Friends",
            "director": {
                "id": 2048173,
                "username": "LegendOfKazan",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/a4fe15643193782ec665bfbd338eea28-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 738.8622153467796,
                        "deviation": 63.44968068694094,
                        "volatility": 0.0600634102526983
                    }
                },
                "ranking": 7.910660430445879,
                "professional": false,
                "ui_class": ""
            },
            "description": "Зоходите будет крута",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16536,
                "name": "LegendOfKazan Takt1k Friends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-07-07T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 17,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2026-07-07T11:00:18.319660Z",
            "ended": "2026-07-07T14:06:00.588865Z",
            "start_waiting": "2026-07-07T11:00:18.271143Z",
            "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": 33732,
            "name": "Leeches rule",
            "director": {
                "id": 351937,
                "username": "barney.stratford",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/57d0bac0bf226860c2d861eab72ea31f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1294.559769166008,
                        "deviation": 66.3003117798745,
                        "volatility": 0.06002866316646163
                    }
                },
                "ranking": 20.893516420687295,
                "professional": false,
                "ui_class": ""
            },
            "description": "We still don't have an undisputed Lord of the Leeches. We must fix this at once.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 604800,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": true,
                "per_move": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1918,
                "name": "League of Leeches🐌🐍",
                "summary": "https://online-go.com/game/9051373",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-01-22T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-01-31T22:04:04.968198Z",
            "ended": "2018-04-04T20:40:02.240050Z",
            "start_waiting": "2018-01-31T22:04:04.724671Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 57061,
            "name": "Lee Sedol (이세돌) Birthday DDK Tournament",
            "director": {
                "id": 58836,
                "username": "DrQuantum",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1006.3662628054283,
                        "deviation": 61.83222392964872,
                        "volatility": 0.05898881347751829
                    }
                },
                "ranking": 15.063776768311412,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is a tournament honoring the recently retired Korean professional Lee Sedol (이세돌), who celebrates his birthday on March 2.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "korean",
            "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": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3694,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-03T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-03T04:44:03.592442Z",
            "ended": "2020-07-18T13:12:38.750605Z",
            "start_waiting": "2020-03-03T04:44:00.470046Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 19196,
            "name": "Lee Chang-ho 이창호 Birthday DDK Tournament",
            "director": {
                "id": 58836,
                "username": "DrQuantum",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1006.3662628054283,
                        "deviation": 61.83222392964872,
                        "volatility": 0.05898881347751829
                    }
                },
                "ranking": 15.063776768311412,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is a tournament for DDK's celebrating the birthday of Lee Chang-ho, the Korean baduk professional otherwise remembered as the Stone Buddha.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 432000,
                "time_increment": 43200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3694,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2016-07-29T13:00:00Z",
            "players_start": 12,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-07-29T13:00:56.067122Z",
            "ended": "2017-06-16T20:29:20.865976Z",
            "start_waiting": "2016-07-29T13:00:53.190962Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 75711,
            "name": "Leaving Freenode Tournament",
            "director": {
                "id": 556209,
                "username": "CLOCKBLOAT",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e678d1dc19a488e43d8ecc6dcf52e64b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Freenode is no more, join OFTC #go: https://online-go.com/group/9292",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 2446080,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 2419200,
                "period_time": 2419200,
                "periods": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 473,
                "name": "Freenode #go",
                "summary": "irc.freenode.net #go community",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-30T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-30T20:00:05.087581Z",
            "ended": null,
            "start_waiting": "2022-09-30T20:00:03.760222Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 51,
            "ranked": true
        },
        {
            "id": 85911,
            "name": "Learning/friendly tournaments😀😄🤣😜🤪",
            "director": {
                "id": 1079925,
                "username": "deatheater1127",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/e56410d201f86adad9d8cb9b19a37b4f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 957.433906766057,
                        "deviation": 65.0282446197422,
                        "volatility": 0.060058111526456716
                    }
                },
                "ranking": 13.909872636084918,
                "professional": false,
                "ui_class": ""
            },
            "description": "Friendly matches try to greet and thank everyone yell play against and most importantly to all HFGL.",
            "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": 28,
                "name": "Teaching League",
                "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4517,
                "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-02-09T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-02T03:58:32.737866Z",
            "ended": "2022-09-14T12:54:55.310514Z",
            "start_waiting": "2022-04-02T03:58:32.641550Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 106020,
            "name": "Learning and teaching tournament matches",
            "director": {
                "id": 1126860,
                "username": "Sais Divine Move",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/65e92580b146ff858ab2ac95c8059225-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 947.5549395239026,
                        "deviation": 61.31181399641712,
                        "volatility": 0.05989923401541377
                    }
                },
                "ranking": 13.669766094510784,
                "professional": false,
                "ui_class": ""
            },
            "description": "13x13 size board double elimination pairing method is both set as strength and strength and anyone is invited to join that's with in the ranks of 25kyu- no lower the 10kyu so have fun everyone and I hope that everyone learns something in these teaching tournaments so to all GL & HF \nGLHF.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 315,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11229,
                "name": "teaching games//",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/52d062edd2051d6f7c031095bebad887-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-02T16:12:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-08-02T16:12:52.655898Z",
            "ended": "2023-08-02T17:43:31.526524Z",
            "start_waiting": "2023-08-02T16:12:52.543862Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/52d062edd2051d6f7c031095bebad887-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 21597,
            "name": "Learning",
            "director": {
                "id": 365420,
                "username": "heuristic",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/076389e1076975cf0e728270a9f8ae78?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1407.9759105579803,
                        "deviation": 67.83037217929727,
                        "volatility": 0.06007135179835569
                    }
                },
                "ranking": 22.83771031978001,
                "professional": false,
                "ui_class": ""
            },
            "description": "lets have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88320,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 345600,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1295,
                "name": "Heuristic Study Group",
                "summary": "Play unranked or privately with a study group and find answer to problems.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/43269c1076e99d1b2b2b5f2b0a3ca6b6-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-11-16T08:31:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-11-07T05:26:28.181662Z",
            "ended": "2017-07-06T15:55:30.007587Z",
            "start_waiting": "2016-11-07T05:26:27.568934Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43269c1076e99d1b2b2b5f2b0a3ca6b6-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 77774,
            "name": "Learning",
            "director": {
                "id": 1026674,
                "username": "dani1408mackinnon",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e5d8e9f784428071ed7cf86c3341ac04?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 959.7910566647793,
                        "deviation": 318.407697045212,
                        "volatility": 0.060007335696657456
                    }
                },
                "ranking": 13.966796626425893,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "kjhhkjhk",
            "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": 9719,
                "name": "Dan And Jonno",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-19T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-21T17:06:46.350772Z",
            "ended": "2021-09-02T18:36:04.054199Z",
            "start_waiting": "2021-07-21T17:06:46.211147Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 47590,
            "name": "Learners Tourney",
            "director": {
                "id": 508594,
                "username": "Kampinkarl1",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/7cceb0191a16caacbcd28f303e6b72ac-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1459.7204371363496,
                        "deviation": 67.42639978843152,
                        "volatility": 0.060125611186152214
                    }
                },
                "ranking": 23.673235197189392,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for players in DDK trying to rapidly learn the game.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": 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": 715,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-04-21T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-04-18T19:46:26.776980Z",
            "ended": "2019-07-15T13:14:01.950527Z",
            "start_waiting": "2019-04-18T19:46:22.262581Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 20,
            "ranked": true
        }
    ]
}