List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=126
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59448,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=127",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=125",
    "results": [
        {
            "id": 53213,
            "name": "1ST 9x9 ROLAND GORROS: TABLE A",
            "director": {
                "id": 48251,
                "username": "Mitsunari",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1609.2139605925472,
                        "deviation": 64.48132283606843,
                        "volatility": 0.06031226100947535
                    }
                },
                "ranking": 25.930381045391385,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello,<p>\nThis is the table A of the 1st 9x9 Roland GOrros.\nThis table is a single elimination tournament. The winner will be qualified to the final table (single elimination too).<p>\nEnjoy :)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 59520,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 57600,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 525,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-31T21:00:00Z",
            "players_start": 32,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-03T04:48:08.891610Z",
            "ended": "2020-10-01T05:47:45.608683Z",
            "start_waiting": "2020-06-03T04:48:07.363625Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 120049,
            "name": "9x9 Open D.E. Cup #148",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1342.0294682275521,
                        "deviation": 67.12449415853307,
                        "volatility": 0.06020075398567622
                    }
                },
                "ranking": 21.7272013041845,
                "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/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-09-22T19:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-22T13:37:09.878379Z",
            "ended": "2025-02-27T01:14:49.911100Z",
            "start_waiting": "2024-09-22T13:37:09.745782Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 65295,
            "name": "Shogi 将棋 9x9 XX",
            "director": {
                "id": 697149,
                "username": "deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17",
                "country": "se",
                "icon": "https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1665.2715388700315,
                        "deviation": 71.21323820073493,
                        "volatility": 0.0598806998975717
                    }
                },
                "ranking": 26.723091679426847,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
            "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": false,
            "group": {
                "id": 935,
                "name": "Shogi 81Dojo",
                "summary": "Group for Shogi players on 81Dojo",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-25T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-09-25T16:00:23.240693Z",
            "ended": "2020-11-14T18:01:52.939800Z",
            "start_waiting": "2020-09-25T16:00:22.508960Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 105921,
            "name": "Let's GO !!!",
            "director": {
                "id": 1269895,
                "username": "Cybèle",
                "country": "150",
                "icon": "https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 863.8335028553679,
                        "deviation": 65.98550318269317,
                        "volatility": 0.060476089188204726
                    }
                },
                "ranking": 11.528278267512311,
                "professional": false,
                "ui_class": ""
            },
            "description": "un tournoi simple et amical pour tester nos compétences",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 300,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12930,
                "name": "Let's GOAT!",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-30T15:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-30T15:00:51.339800Z",
            "ended": "2023-07-30T15:23:52.790207Z",
            "start_waiting": "2023-07-30T15:00:51.248950Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 136592,
            "name": "Southampton Jan2026 13x13 Bracket Tournament",
            "director": {
                "id": 1350621,
                "username": "SMS-Mr.d",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1087.6431665845494,
                        "deviation": 61.776335264617884,
                        "volatility": 0.05998629219958402
                    }
                },
                "ranking": 16.861768721103054,
                "professional": false,
                "ui_class": ""
            },
            "description": "Southampton Jan2026 13x13 Bracket Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 7,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 6,
                "initial_time": 60,
                "max_time": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14789,
                "name": "Southampton Middle School Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-21T20:04:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-01-21T20:04:04.489511Z",
            "ended": "2026-01-21T20:49:57.079779Z",
            "start_waiting": "2026-01-21T20:04:04.293845Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": false
        },
        {
            "id": 121706,
            "name": "Julko's 14",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 860.355683898427,
                        "deviation": 67.10712421191323,
                        "volatility": 0.059279287559068666
                    }
                },
                "ranking": 11.434887566930879,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Go ponad wszstko!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7,
                "name": "Polish Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 453,
                "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-11-04T05:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-04T05:00:34.433263Z",
            "ended": null,
            "start_waiting": "2024-11-04T05:00:34.343263Z",
            "board_size": 19,
            "active_round": 5,
            "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 105444,
            "name": "Monthly Tournament: August 2023",
            "director": {
                "id": 1175667,
                "username": "PPProm",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/12507b959b9075059f6e1c43f0f27ba5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 929.5238447430535,
                        "deviation": 66.65390974576505,
                        "volatility": 0.060037795123986826
                    }
                },
                "ranking": 13.224997673087842,
                "professional": false,
                "ui_class": ""
            },
            "description": "Monthly Tournament of the “Online Go - OGS” Group🔥",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13102,
                "name": "Online Go - OGS",
                "summary": "Welcome to group “Online Go - OGS”\n\nHave fun😊😊",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 61,
                "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-07-31T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-31T17:00:52.341610Z",
            "ended": "2024-06-04T05:26:39.029952Z",
            "start_waiting": "2023-07-31T17:00:51.827762Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-15.png",
            "player_count": 35,
            "ranked": true
        },
        {
            "id": 65480,
            "name": "Grupo A Ronda 1",
            "director": {
                "id": 58535,
                "username": "blaumag",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/b9111f93173ba3f8763596a345d7e40e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.4078798746825,
                        "deviation": 341.6984305472543,
                        "volatility": 0.05999984344025184
                    }
                },
                "ranking": 24.170395885469745,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Grupo A Ronda 1",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "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": 6840,
                "name": "CURSO UNR JULIO 2022",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-15T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-09-15T08:00:34.630022Z",
            "ended": "2020-09-15T08:14:06.834140Z",
            "start_waiting": "2020-09-15T08:00:34.432011Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 118350,
            "name": "19x19 Two Moves Make Two Days",
            "director": {
                "id": 1596401,
                "username": "deleted-2551e5e5-0cb3-4352-bbb6-4301a3c704ae",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/b522dbd27551f6ed639ee56d226be9ae-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1282.799025277897,
                        "deviation": 70.51598361572528,
                        "volatility": 0.060007777608150605
                    }
                },
                "ranking": 20.682243460722784,
                "professional": false,
                "ui_class": ""
            },
            "description": "Two moves make two days If you move once a day, you won't lose any time.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 0,
                "period_time": 172800,
                "stones_per_period": 2
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14119,
                "name": "신중하게 두자",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-07-29T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-29T17:00:17.208306Z",
            "ended": "2025-01-28T10:27:11.873793Z",
            "start_waiting": "2024-07-29T17:00:17.105816Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 136214,
            "name": "Kru Boss",
            "director": {
                "id": 1220649,
                "username": "Pancadet",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/7edfe38748e7f8bdad0281a0704d1af2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 577.9033195649729,
                        "deviation": 70.31392022849617,
                        "volatility": 0.06015124633219313
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Idk hahaha 555555 tttttttt55555555",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 16070,
                "name": "Ok Kru Boss",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/52adffaf0811b752aca5849cd4c35d73-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-10T03:15:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2026-01-10T03:15:47.278616Z",
            "ended": null,
            "start_waiting": "2026-01-10T03:15:47.214241Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/52adffaf0811b752aca5849cd4c35d73-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}