List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5750
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59501,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5751",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5749",
    "results": [
        {
            "id": 3815,
            "name": "today's conflict ddk",
            "director": {
                "id": 73094,
                "username": "hikaru1no1go",
                "country": "pk",
                "icon": "https://user-uploads.online-go.com/321d8cdbe7db0f9c7a8fa0c3059ca751-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1582.0014365944573,
                        "deviation": 64.84465326691476,
                        "volatility": 0.06006480111490102
                    }
                },
                "ranking": 25.535556427004384,
                "professional": false,
                "ui_class": ""
            },
            "description": "enjoy :-D",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 489,
                "name": "神の一手",
                "summary": "tourney group",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 45,
                "icon": "https://user-uploads.online-go.com/62dba6697413715a955f5f239460b3f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2014-12-30T16:15:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-12-30T16:15:47.004065Z",
            "ended": "2014-12-30T17:23:07.370665Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/62dba6697413715a955f5f239460b3f2-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 95102,
            "name": "JORNADA 4 DE ENTRENAMIENTO INTERMEDIO DE GO",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1144.0604799325788,
                        "deviation": 60.36983920811666,
                        "volatility": 0.0597288618958486
                    }
                },
                "ranking": 18.032478941820354,
                "professional": false,
                "ui_class": ""
            },
            "description": "Una manera de comprender Go es que todo se mueve alrededor de las piedras, es decir, el cómo funcionan las piedras respecto a sus compañeras, al espacio vital y a las piedras del oponente.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 480,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-29T01:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-29T01:35:17.092670Z",
            "ended": "2022-09-29T01:54:27.461207Z",
            "start_waiting": "2022-09-29T01:35:17.027624Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 95096,
            "name": "JORNADA 4 DE ENTRENAMIENTO BÁSICO DE GO",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1144.0604799325788,
                        "deviation": 60.36983920811666,
                        "volatility": 0.0597288618958486
                    }
                },
                "ranking": 18.032478941820354,
                "professional": false,
                "ui_class": ""
            },
            "description": "Una manera de comprender Go es que todo se mueve alrededor de las piedras, es decir, el cómo funcionan las piedras respecto a sus compañeras, al espacio vital y a las piedras del oponente.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 34,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 420,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-29T01:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-29T01:35:17.214028Z",
            "ended": "2022-09-29T02:04:17.031704Z",
            "start_waiting": "2022-09-29T01:35:17.113921Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 136641,
            "name": "HAPPY GO #136 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1843.5432985059215,
                        "deviation": 68.8941444150102,
                        "volatility": 0.05984658454053869
                    }
                },
                "ranking": 29.07747513060696,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-25T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-25T04:00:07.592248Z",
            "ended": "2026-04-01T22:50:53.242750Z",
            "start_waiting": "2026-01-25T04:00:07.464131Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 37930,
            "name": "Gillette Mach 3",
            "director": {
                "id": 522816,
                "username": "RufusGoldstreiff",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/4ff1a2b835bdb6c41c4679349208dc90?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1153.4641900213853,
                        "deviation": 64.81230610804766,
                        "volatility": 0.06007891407607496
                    }
                },
                "ranking": 18.221984723465166,
                "professional": false,
                "ui_class": ""
            },
            "description": "Türnürürchen",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 180,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "live",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 180
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2321,
                "name": "Schulis Beginner Tournaments",
                "summary": "A group of brothers playing each other, but hosting public tournaments as well. Beginner level!",
                "require_invitation": false,
                "is_public": false,
                "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": "2018-06-06T19:30:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-06-06T19:30:03.969043Z",
            "ended": "2018-06-06T20:03:38.233326Z",
            "start_waiting": "2018-06-06T19:30:03.806362Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 126486,
            "name": "19x19 Open D.E. Cup #104",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1328.4337060647135,
                        "deviation": 68.98965903759373,
                        "volatility": 0.060206245193250185
                    }
                },
                "ranking": 21.491478440446674,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-03-23T22:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-23T06:05:28.142421Z",
            "ended": "2025-08-29T03:59:44.071252Z",
            "start_waiting": "2025-03-23T06:05:28.049578Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 67512,
            "name": "11/11 13x13 Correspondence Simultaneous McMahon Tournament",
            "director": {
                "id": 835032,
                "username": "AkashG23",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7f1aef018fc2ae9d07ac660c65fbce58-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1045.2790477200326,
                        "deviation": 66.11136567727232,
                        "volatility": 0.05999763498208
                    }
                },
                "ranking": 15.942036776472372,
                "professional": false,
                "ui_class": ""
            },
            "description": "11/11 13x13 Correspondence Simultaneous McMahon Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1781,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-11T16:11:00Z",
            "players_start": 11,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-11T16:11:25.851449Z",
            "ended": "2023-06-18T22:28:28.740214Z",
            "start_waiting": "2020-11-11T16:11:23.277316Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 98525,
            "name": "Daje!",
            "director": {
                "id": 1055696,
                "username": "deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/c176d6849a1892b9017c85f548813837-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1520.9618235200285,
                        "deviation": 65.86233200519976,
                        "volatility": 0.05999729225859075
                    }
                },
                "ranking": 24.624653373951272,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast tournament, no conditional moves",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 129600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 129600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 20,
                "name": "Single Digit Kyu Room",
                "summary": "A room for SDK's \r\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 759,
                "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-09T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-01-09T18:00:03.581936Z",
            "ended": "2023-06-28T07:19:53.004298Z",
            "start_waiting": "2023-01-09T18:00:03.415539Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 29036,
            "name": "🍉Арбузик🍉",
            "director": {
                "id": 450530,
                "username": "Котэ",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/31c4e2408e38fad35a1aab12091df2c9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1049.3182104427037,
                        "deviation": 63.769747607739426,
                        "volatility": 0.06001195950776262
                    }
                },
                "ranking": 16.031320511157734,
                "professional": false,
                "ui_class": ""
            },
            "description": "Турнир",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "time_control": "none",
                "speed": "correspondence",
                "system": "none"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1705,
                "name": "FamilyGameGroup",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2017-07-31T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-08-05T15:33:17.961404Z",
            "ended": "2017-09-19T13:34:31.942720Z",
            "start_waiting": "2017-08-05T15:33:17.513422Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 67436,
            "name": "Mr. Erb's Classwide 9x9 Double Elimination Tournament",
            "director": {
                "id": 835032,
                "username": "AkashG23",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7f1aef018fc2ae9d07ac660c65fbce58-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1045.2790477200326,
                        "deviation": 66.11136567727232,
                        "volatility": 0.05999763498208
                    }
                },
                "ranking": 15.942036776472372,
                "professional": false,
                "ui_class": ""
            },
            "description": "just another 9x9 double elimination tournament by akash_the_epic",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6721,
                "name": "Mr. Erb's Math Class",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-06T14:30:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-11-06T14:26:37.505605Z",
            "ended": "2020-11-13T14:39:36.410732Z",
            "start_waiting": "2020-11-06T14:26:37.279787Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}