GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3888
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58114,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3889",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3887",
    "results": [
        {
            "id": 70025,
            "name": "Machamp Community Day",
            "director": {
                "id": 897911,
                "username": "DA NOOBBB",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/086971b8bc34557129e3d71e22f78026-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1241.806425236919,
                        "deviation": 62.007928196577325,
                        "volatility": 0.05999569580191999
                    }
                },
                "ranking": 19.93039362009397,
                "professional": false,
                "ui_class": ""
            },
            "description": "First Community day in 2021!",
            "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": 6427,
                "name": "Pokémon Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 53,
                "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-16T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-16T03:00:30.416789Z",
            "ended": "2021-04-10T13:26:40.510841Z",
            "start_waiting": "2021-01-16T03:00:30.168549Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-15.png",
            "player_count": 8
        },
        {
            "id": 89275,
            "name": "Live 9x9 Double Elimination Tournament 2022-04-27 18:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20251020T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2025-10-20T06:00:46.293866Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "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": "2025-10-20T10:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2022-04-27T18:30:00.238348Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-04-27T18:30:01.826629Z",
            "ended": "2022-04-27T19:47:01.652670Z",
            "start_waiting": "2022-04-27T18:30:01.539593Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 10
        },
        {
            "id": 67552,
            "name": "Weekly Saturday Single Elimination Tournament #4",
            "director": {
                "id": 831021,
                "username": "SoccerGuy2000",
                "country": "_Klingon",
                "icon": "https://secure.gravatar.com/avatar/c5371f0736122d5ff89c096dfc05d98c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1417.4411374471954,
                        "deviation": 63.04610532698031,
                        "volatility": 0.0600406608939129
                    }
                },
                "ranking": 22.992817207346068,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun! Please feel free to message me with and questions or concerns.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 132480,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 129600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17502,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-14T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-14T17:00:29.467476Z",
            "ended": "2021-01-02T19:07:30.597327Z",
            "start_waiting": "2020-11-14T17:00:28.797729Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 13
        },
        {
            "id": 71678,
            "name": "Test Tournament",
            "director": {
                "id": 819548,
                "username": "elforo",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/285c0dbd553dfb0ff0662c72e52b9b5b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1754.3864912462777,
                        "deviation": 61.10154978894278,
                        "volatility": 0.06006909388819996
                    }
                },
                "ranking": 27.929924829934077,
                "professional": false,
                "ui_class": ""
            },
            "description": "Test Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6269,
                "name": "BeginnerGo",
                "summary": "Beginners welcome!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 229,
                "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-20T16:53:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-20T16:53:59.036356Z",
            "ended": "2021-02-20T16:56:56.479269Z",
            "start_waiting": "2021-02-20T16:53:58.922383Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-15.png",
            "player_count": 4
        },
        {
            "id": 69688,
            "name": "Fast Correspondence 2021-01-10",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1576.6058983592984,
                        "deviation": 62.39509712483839,
                        "volatility": 0.05973302369801668
                    }
                },
                "ranking": 25.456466614065288,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 794,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-10T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-10T00:00:17.193920Z",
            "ended": "2021-02-24T03:10:55.093246Z",
            "start_waiting": "2021-01-10T00:00:15.337944Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10
        },
        {
            "id": 68620,
            "name": "19X19 double elimination monthly championship 1 (January,2020)",
            "director": {
                "id": 861327,
                "username": "Jack the protaGOnist",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/a0b3993a4ac594108efa52a044210bba-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1672.033059307691,
                        "deviation": 61.65197767699118,
                        "volatility": 0.06000663457564414
                    }
                },
                "ranking": 26.81689756840323,
                "professional": false,
                "ui_class": ""
            },
            "description": "winner will be in the hall of fame (in-group) (P.S. time zone is UTC-4 AKA:AST)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 10,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7383,
                "name": "hangout and have fun",
                "summary": "]",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/475e03f7bfbd3f230470aea89405e15c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-02T21:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-02T21:00:01.213959Z",
            "ended": "2021-01-03T00:36:33.757511Z",
            "start_waiting": "2021-01-02T21:00:00.612967Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/475e03f7bfbd3f230470aea89405e15c-15.png",
            "player_count": 12
        },
        {
            "id": 69680,
            "name": "try again",
            "director": {
                "id": 818369,
                "username": "deleted-02279e69-efe6-4da6-94a9-3782bbb65eb5",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/2b3a681b48d743df2cca63be7186d96c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1495.0613630632597,
                        "deviation": 71.01591139116258,
                        "volatility": 0.06001035702325122
                    }
                },
                "ranking": 24.227036802303612,
                "professional": false,
                "ui_class": ""
            },
            "description": "sorry about that",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 25,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6269,
                "name": "BeginnerGo",
                "summary": "Beginners welcome!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 229,
                "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-02T19:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-02T19:30:56.992672Z",
            "ended": "2021-01-02T20:21:55.047180Z",
            "start_waiting": "2021-01-02T19:30:56.634239Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-15.png",
            "player_count": 13
        },
        {
            "id": 69697,
            "name": "Blitz 19x19 Elimination Tournament 2021-01-03 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:20251020T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-10-20T05:00:46.288667Z",
                "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": "2025-10-20T09:00:00Z",
                "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": "2021-01-03T09:30:30.989102Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-01-03T09:31:32.394578Z",
            "ended": "2021-01-03T09:58:24.885736Z",
            "start_waiting": "2021-01-03T09:31:32.239777Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4
        },
        {
            "id": 69698,
            "name": "Live 9x9 Double Elimination Tournament 2021-01-03 10:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20251020T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2025-10-20T06:00:46.293866Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "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": "2025-10-20T10:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-01-03T10:30:33.413216Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-01-03T10:30:34.881752Z",
            "ended": "2021-01-03T11:22:31.473452Z",
            "start_waiting": "2021-01-03T10:30:34.624980Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 6
        },
        {
            "id": 69702,
            "name": "Blitz 19x19 Elimination Tournament 2021-01-03 13:30",
            "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:20251020T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2025-10-20T05:00:46.288667Z",
                "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": "2025-10-20T09:00:00Z",
                "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": "2021-01-03T13:30:40.934257Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-01-03T13:30:42.320547Z",
            "ended": "2021-01-03T14:08:57.000895Z",
            "start_waiting": "2021-01-03T13:30:42.040277Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 8
        }
    ]
}