GET /api/v1/tournaments?format=api&ordering=board_size&page=5474
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 57855,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5475",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5473",
    "results": [
        {
            "id": 126924,
            "name": "Турнир в честь возможного ухода bouganvillea 🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥",
            "director": {
                "id": 1687058,
                "username": "Kaw_Ninja",
                "country": "pt",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/65362065d6e8e89c6607395ba8eb3d2f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 959.0020861325668,
                        "deviation": 70.94917919849635,
                        "volatility": 0.06431841588446138
                    }
                },
                "ranking": 13.94775896317531,
                "professional": false,
                "ui_class": ""
            },
            "description": "🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥",
            "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": true,
            "group": {
                "id": 15184,
                "name": "Татарстан",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 27,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/742f13972d1ab21b905676569922fa19-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-18T16:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-03T15:30:01.244222Z",
            "ended": "2025-09-24T11:03:58.487712Z",
            "start_waiting": "2025-04-03T15:30:01.002755Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/742f13972d1ab21b905676569922fa19-15.png",
            "player_count": 10
        },
        {
            "id": 68118,
            "name": "Blitz 19x19 Elimination Tournament 2020-11-22 09:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20250926T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-09-26T17:00:28.650516Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2025-09-26T21:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-11-22T09:30:27.379033Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-22T09:30:29.025468Z",
            "ended": "2020-11-22T10:02:06.747895Z",
            "start_waiting": "2020-11-22T09:30:28.813636Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 5
        },
        {
            "id": 68153,
            "name": "Blitz 19x19 Elimination Tournament 2020-11-23 17:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20250926T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-09-26T17:00:28.650516Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2025-09-26T21:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-11-23T17:30:54.405600Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-23T17:33:56.128728Z",
            "ended": "2020-11-23T17:58:28.386031Z",
            "start_waiting": "2020-11-23T17:33:55.737710Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4
        },
        {
            "id": 77442,
            "name": "19x19 25-1kyu",
            "director": {
                "id": 1022089,
                "username": "Lasercat meow",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/303e4bd58e297e448fb52fce01edc03a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1414.5521552007626,
                        "deviation": 164.32169499736995,
                        "volatility": 0.06001274877332651
                    }
                },
                "ranking": 22.94558548375539,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "25-1kyu",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2700,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9623,
                "name": "Go is easy",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-13T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-13T04:46:08.435191Z",
            "ended": "2021-07-17T13:53:35.204134Z",
            "start_waiting": "2021-07-13T04:46:08.251954Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4
        },
        {
            "id": 78474,
            "name": "xcxcxccc",
            "director": {
                "id": 1016128,
                "username": "TimTsai",
                "country": "tw",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/5ad16efa4bdf65289a15d3505660b527-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 993.5512788378296,
                        "deviation": 70.04800542370968,
                        "volatility": 0.060231200015363015
                    }
                },
                "ranking": 14.767093597042754,
                "professional": false,
                "ui_class": ""
            },
            "description": "xscsccc",
            "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": 5144,
                "name": "Go players",
                "summary": "For all go players - feel free to join!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ec48471c12af9fa68f6f30d6c700930-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-06T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-06T14:48:11.365194Z",
            "ended": "2021-09-20T22:56:21.295054Z",
            "start_waiting": "2021-08-06T14:48:11.260161Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ec48471c12af9fa68f6f30d6c700930-15.png",
            "player_count": 4
        },
        {
            "id": 69531,
            "name": "Temerin",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 848.8093697752786,
                        "deviation": 63.893458697340876,
                        "volatility": 0.05992099030657755
                    }
                },
                "ranking": 11.122101814944287,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 28080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 25200,
                "initial_time": 259200,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 27,
                "name": "Serbian Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 79,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/a4c7afeabd5c537f0916589346c203bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-12-29T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 6,
            "max_ranking": 14,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-29T17:00:46.567501Z",
            "ended": "2021-02-28T17:02:26.452705Z",
            "start_waiting": "2020-12-29T17:00:46.328817Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/a4c7afeabd5c537f0916589346c203bb-15.png",
            "player_count": 3
        },
        {
            "id": 67092,
            "name": "Ninja Tournament to decide the Ultimate Ninja go player",
            "director": {
                "id": 862741,
                "username": "Ninja Master",
                "country": "jp",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f9f5a952f026e8b94e5e5a5eb9c77438-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 416.3538956798577,
                        "deviation": 94.20401379338081,
                        "volatility": 0.05997907038296703
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ninja Go do your best!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 212,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 210,
                "initial_time": 240,
                "max_time": 240
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7150,
                "name": "OGS Legends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-26T20:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-26T20:00:00.719454Z",
            "ended": "2020-10-26T20:22:30.017705Z",
            "start_waiting": "2020-10-26T20:00:00.560977Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2
        },
        {
            "id": 65990,
            "name": "Correspondence 19x19 RoundRobin 2020-09-29 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20250926T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2025-09-26T19:00:28.857936Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 432000,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2025-09-29T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-09-29T19:00:37.993270Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-29T19:01:39.012331Z",
            "ended": "2020-11-13T08:28:53.682543Z",
            "start_waiting": "2020-09-29T19:01:37.330239Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 10
        },
        {
            "id": 67802,
            "name": "Blitz 19x19 Elimination Tournament 2020-11-14 05:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20250926T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-09-26T17:00:28.650516Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2025-09-26T21:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-11-14T05:30:58.619220Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-11-14T05:31:00.130894Z",
            "ended": "2020-11-14T05:44:46.718912Z",
            "start_waiting": "2020-11-14T05:30:59.852778Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4
        },
        {
            "id": 58747,
            "name": "Low ranked tournament 25 - 22 kyu",
            "director": {
                "id": 635649,
                "username": "Kinsetsu",
                "country": "gb",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0b77bbe495d5bb9305a966f363acdf71-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 673.855011182144,
                        "deviation": 69.35036679707385,
                        "volatility": 0.05997689754611685
                    }
                },
                "ranking": 5.778626795739248,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi all, A tournament for low ranked players. 25 - 22 Kyu only.",
            "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": 177,
                "name": "GO Beginners",
                "summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 259,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-13T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 8,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-10T19:00:13.006087Z",
            "ended": "2021-02-24T15:31:27.294239Z",
            "start_waiting": "2020-04-10T19:00:12.459837Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12
        }
    ]
}