List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=509
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59194,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=510",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=508",
    "results": [
        {
            "id": 114524,
            "name": "🧭 GPS Expo 169, Y Class",
            "director": {
                "id": 1252765,
                "username": "KatNoire",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d798a462581639c7be0f220400b2b60f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1474.1058774576727,
                        "deviation": 63.78024967595756,
                        "volatility": 0.05995328684214665
                    }
                },
                "ranking": 23.900259960522494,
                "professional": false,
                "ui_class": ""
            },
            "description": "Swiss format. Ranks 14kyu-3kyu and provisional welcome. No handicap. Paused on weekends.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13341,
                "name": "Go Petrologic Survey",
                "summary": "The bedrock of locating liveable landscapes",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/cb0c03c5aa13049379d23a6b93516231-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-05-04T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 16,
            "max_ranking": 27,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-04T10:00:53.070653Z",
            "ended": "2025-01-22T12:39:54.713165Z",
            "start_waiting": "2024-05-04T10:00:52.951317Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cb0c03c5aa13049379d23a6b93516231-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 93327,
            "name": "all 124",
            "director": {
                "id": 1111279,
                "username": "alvin124",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/5ebd6fd1cba57ca533d7c9dc75134e4e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1099.6725619868325,
                        "deviation": 64.6186286352423,
                        "volatility": 0.059976043733380446
                    }
                },
                "ranking": 17.116403484247016,
                "professional": false,
                "ui_class": ""
            },
            "description": "all 124",
            "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": 10991,
                "name": "                                                                  124",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/571954b156a89b0f7f01b695e3d5ff23-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-08-10T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-31T21:06:37.645032Z",
            "ended": "2022-11-09T00:29:01.024423Z",
            "start_waiting": "2022-08-31T21:06:37.527676Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/571954b156a89b0f7f01b695e3d5ff23-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 101872,
            "name": "Bリヌグ7k-3k",
            "director": {
                "id": 874208,
                "username": "FUKO.S",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2208.151542128061,
                        "deviation": 68.94747429756583,
                        "volatility": 0.06003767154281009
                    }
                },
                "ranking": 33.25527075653788,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "リヌグ開始時に参加されおいるメンバヌでの総あたり戊になりたす。レヌティングによる自動ハンデ付き\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe 湯島囲碁喫茶",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲストオンラむン囲碁サロンメンバヌ専甚のグルヌプです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-12T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 23,
            "max_ranking": 27,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-04-12T11:00:47.459082Z",
            "ended": "2023-05-09T08:27:05.068331Z",
            "start_waiting": "2023-04-12T11:00:47.267370Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 96631,
            "name": "MGO Tournament",
            "director": {
                "id": 1136031,
                "username": "gogowin11",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1e699c68a6db4a4af533418bfcccab4d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1006.639270370146,
                        "deviation": 60.56775807253282,
                        "volatility": 0.05993790231674567
                    }
                },
                "ranking": 15.070056060700635,
                "professional": false,
                "ui_class": ""
            },
            "description": "Beginners 11-3k",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 12,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1110,
                "name": "Moldova Rep.",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-11-16T01:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 19,
            "max_ranking": 27,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-11-16T01:00:40.282689Z",
            "ended": "2022-11-16T01:29:19.706307Z",
            "start_waiting": "2022-11-16T01:00:40.188797Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 106364,
            "name": "Monday Morning 19x19 #15",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #15 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-18T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-09-18T08:00:57.826015Z",
            "ended": "2024-11-20T07:54:21.695865Z",
            "start_waiting": "2023-09-18T08:00:57.534536Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 35,
            "ranked": true
        },
        {
            "id": 119940,
            "name": "Monday Morning 19x19 #43",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #43 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-14T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-10-14T08:00:31.559815Z",
            "ended": "2025-09-17T03:32:04.668022Z",
            "start_waiting": "2024-10-14T08:00:31.426646Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 124634,
            "name": "Monday Morning 19x19 #51",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #51 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-03T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-02-03T09:00:23.596874Z",
            "ended": "2026-01-24T13:20:14.425265Z",
            "start_waiting": "2025-02-03T09:00:23.477176Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 109755,
            "name": "Monday Morning 19x19 #22",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #22 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!\n\nMerry Christmas!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-25T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-12-25T09:00:03.458724Z",
            "ended": "2024-09-10T15:04:13.252748Z",
            "start_waiting": "2023-12-25T09:00:03.238006Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 137596,
            "name": "Monday Morning 19x19 #80",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #80 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-16T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-03-16T09:00:12.052402Z",
            "ended": null,
            "start_waiting": "2026-03-16T09:00:11.482874Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 27,
            "ranked": true
        },
        {
            "id": 1964,
            "name": "Fuenkchen's mini-tournament",
            "director": {
                "id": 22863,
                "username": "Fuenkchen",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/2a7dedd4b4ccbef1b4517f216716ffa2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1962.0839207034153,
                        "deviation": 62.89907116203534,
                        "volatility": 0.060019551162099616
                    }
                },
                "ranking": 30.520130064591992,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-07-20T19:17:30Z",
            "ended": "2013-07-20T17:17:30Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}