GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4669
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 57963,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4670",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4668",
    "results": [
        {
            "id": 17090,
            "name": "Correspondence Weekly McMahon 19x19 2016-05-07 17:00",
            "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": 9,
                "name": "Correspondence Weekly McMahon 19x19",
                "rrule": "DTSTART:20250929T170000Z\nRRULE:FREQ=WEEKLY",
                "active": true,
                "created": "2015-12-16T02:22:56.480465Z",
                "last_run": "2025-09-29T17:00:29.222835Z",
                "lead_time_seconds": 432000,
                "tournament_type": "s_mcmahon",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 10,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": 3,
                    "upper_bar": "25",
                    "lower_bar": "15",
                    "group_size": 4,
                    "maximum_players": 1000
                },
                "next_run": "2025-10-06T17:00:00Z",
                "base_points": "30.0"
            },
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2016-05-07T17:00:37.267813Z",
            "players_start": 60,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-05-07T17:00:51.419907Z",
            "ended": "2017-12-30T03:11:10.280171Z",
            "start_waiting": "2016-05-07T17:00:45.181725Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 114
        },
        {
            "id": 29283,
            "name": "Blitz 13x13 Swiss Tournament 2017-08-10 03:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20251006T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2025-10-06T03:00:49.572505Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2025-10-06T07:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-08-10T03:30:40.710277Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-08-10T03:30:43.114978Z",
            "ended": "2017-08-10T04:52:39.464867Z",
            "start_waiting": "2017-08-10T03:30:42.437127Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 12
        },
        {
            "id": 123415,
            "name": "πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„New Year's Go tournament 9v9",
            "director": {
                "id": 1679852,
                "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea",
                "country": "tr",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 455.94942443569244,
                        "deviation": 73.05424876127188,
                        "volatility": 0.06008889600126372
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„πŸŽ„",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 1518,
                "name": "Π“ΠΎ Π“ΡƒΠ½Ρ„Ρƒ",
                "summary": "Π“ΡƒΠ½Ρ„Ρƒ (мастСрство) - Π½Π°Π²Ρ‹ΠΊ, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΉ Ρ‚Ρ‹ ΡΠΎΠ²Π΅Ρ€ΡˆΠ΅Π½ΡΡ‚Π²ΡƒΠ΅ΡˆΡŒ бСсконСчно Π΄ΠΎΠ»Π³ΠΎ ΠΈ всСгда осознанно. РСгулярная ΠΈ осознанная Π½Π°Ρ€Π°Π±ΠΎΡ‚ΠΊΠ°, Π½Π΅ пСрСходя Π½Π° Π°Π²Ρ‚ΠΎΠΌΠ°Ρ‚ΠΈΠ·ΠΌ.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 51,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7a2a4ad48a818573f808f11af277368b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-19T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7a2a4ad48a818573f808f11af277368b-15.png",
            "player_count": 0
        },
        {
            "id": 6,
            "name": "Nova Inaugural 9k and Up Correspondence Tournament",
            "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": "Welcome to Nova's Inaugural correspondence tournament for 9k and up players. This tournament will begin on Monday May 27th.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": null,
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2013-05-27T14:43:08.738852Z",
            "ended": "2014-02-28T08:33:51.648383Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 0
        },
        {
            "id": 1676,
            "name": "Hikuru's mini-tournament",
            "director": {
                "id": 40254,
                "username": "Hikuru",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/dfe4e9d5f414e689fe248e9b0d468426?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1119.8833299840762,
                        "deviation": 75.5244578736633,
                        "volatility": 0.06001039420219737
                    }
                },
                "ranking": 17.538012341123498,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 380,
                "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": 0,
            "max_ranking": 9,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-02-06T15:28:47Z",
            "ended": "2012-02-06T14:28:47Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0
        },
        {
            "id": 30650,
            "name": "Live 19x19 Swiss Tournament 2017-09-28 12:30",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20251006T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2025-10-06T04:00:49.575629Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2025-10-06T08:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-09-28T12:30:28.528625Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-09-28T12:31:33.808836Z",
            "ended": "2017-09-28T14:32:50.404286Z",
            "start_waiting": "2017-09-28T12:31:30.792494Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 6
        },
        {
            "id": 1839,
            "name": "3 Days to Move Blitz",
            "director": {
                "id": 43868,
                "username": "hollasch",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/22b28cb0f2f033dca8dc933813ac390e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1498.4198696830883,
                        "deviation": 63.885641571194604,
                        "volatility": 0.06008207890575575
                    }
                },
                "ranking": 24.278982650515974,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 380,
                "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": 1,
            "max_ranking": 9,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-08-19T00:19:56Z",
            "ended": "2012-08-18T22:19:56Z",
            "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
        },
        {
            "id": 1677,
            "name": "GenX's First Beginner Open",
            "director": {
                "id": 40712,
                "username": "GenX",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/bcc4970e84ff2d18f1d3486cb9677937?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1262.52438348579,
                        "deviation": 105.29824757149882,
                        "volatility": 0.05999191875106204
                    }
                },
                "ranking": 20.313435408343928,
                "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": false,
            "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": 380,
                "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": 0,
            "max_ranking": 1,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-04-08T05:09:20Z",
            "ended": "2012-04-08T03:09:20Z",
            "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
        },
        {
            "id": 27810,
            "name": "Blitz 13x13 Swiss Tournament 2017-06-07 15:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20251006T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2025-10-06T03:00:49.572505Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2025-10-06T07:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-06-07T15:30:27.268048Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-06-07T15:30:30.199991Z",
            "ended": "2017-06-07T16:22:55.889665Z",
            "start_waiting": "2017-06-07T15:30:29.411047Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 6
        },
        {
            "id": 30514,
            "name": "Blitz 13x13 Swiss Tournament 2017-09-23 15:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20251006T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2025-10-06T03:00:49.572505Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2025-10-06T07:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-09-23T15:30:22.438599Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-09-23T15:30:25.399338Z",
            "ended": "2017-09-23T16:08:53.716333Z",
            "start_waiting": "2017-09-23T15:30:24.765938Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10
        }
    ]
}