List all tournaments or create a new tournament.

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

{
    "count": 59230,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=2",
    "previous": null,
    "results": [
        {
            "id": 98378,
            "name": "Reapers don't be a weaper",
            "director": {
                "id": 1126860,
                "username": "Sais Divine Move",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/65e92580b146ff858ab2ac95c8059225-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 947.5549395239026,
                        "deviation": 61.31181399641712,
                        "volatility": 0.05989923401541377
                    }
                },
                "ranking": 13.669766094510784,
                "professional": false,
                "ui_class": ""
            },
            "description": "Correspondence 28 days main time 28days time per period 5 periods Japanese rules tournament open tournament type openGotha(beta) board size 13x13 all players welcome that's within 25-1KYU soooo HFGL. EVERYONE",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 2460099,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 3600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12449,
                "name": "Reaper's Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-13T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-13T21:00:14.189627Z",
            "ended": "2023-01-14T02:45:14.967444Z",
            "start_waiting": "2023-01-14T02:45:14.960290Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 118172,
            "name": "test1234",
            "director": {
                "id": 564908,
                "username": "Sarawoot Kanya",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1428.3733342620876,
                        "deviation": 65.87288697611051,
                        "volatility": 0.06068751158219223
                    }
                },
                "ranking": 23.170679540751433,
                "professional": false,
                "ui_class": ""
            },
            "description": "123467888",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5893,
                "name": "Go Family",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 148,
                "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-07-16T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-07-16T09:00:02.017645Z",
            "ended": "2024-07-26T09:32:36.823304Z",
            "start_waiting": "2024-07-26T09:32:36.817704Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 134975,
            "name": "デモトーナメント",
            "director": {
                "id": 1370369,
                "username": "NSigo",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b4ee095a848afc743338dd4d66cf5557?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "club_igoDemoTournament",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13364,
                "name": "NS club igo",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-03T03:55:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 80295,
            "name": "OGS TOURNAMENT",
            "director": {
                "id": 991710,
                "username": "husky.Yuki",
                "country": "_ASEAN",
                "icon": "https://user-uploads.online-go.com/65955db56153804de5d98d593003a7cd-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1251.766703883532,
                        "deviation": 74.20541748002614,
                        "volatility": 0.06002081131750235
                    }
                },
                "ranking": 20.11533439788569,
                "professional": false,
                "ui_class": ""
            },
            "description": "OGS TOURNAMENT",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1777,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-19T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-09-19T11:51:33.563691Z",
            "ended": "2021-10-11T04:25:07.464756Z",
            "start_waiting": "2021-10-11T04:25:07.460192Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 82690,
            "name": "PSWJ League Round 2",
            "director": {
                "id": 656422,
                "username": "yc_tan",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f668362b9c2ca8801a69bc9fde736736?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1805.772278545794,
                        "deviation": 172.489536918797,
                        "volatility": 0.059993868261897614
                    }
                },
                "ranking": 28.59824535766695,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "League games for PSWJ members",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3794,
                "name": "WeiqiJB",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-21T07:30:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-11-21T07:30:00.742753Z",
            "ended": "2021-11-28T08:17:09.718399Z",
            "start_waiting": "2021-11-28T08:17:09.710511Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 103707,
            "name": "12º Torneo Interclubes por Equipos",
            "director": {
                "id": 58535,
                "username": "blaumag",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/b9111f93173ba3f8763596a345d7e40e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1491.4078798746825,
                        "deviation": 341.6984305472543,
                        "volatility": 0.05999984344025184
                    }
                },
                "ranking": 24.170395885469745,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Sede Online",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 39,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13270,
                "name": "go.org.ar",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 1,
                "icon": "https://user-uploads.online-go.com/4a4ce2499cd93cde696261e2c5aa4290-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-27T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2023-05-27T13:00:57.824173Z",
            "ended": null,
            "start_waiting": "2023-05-27T13:00:57.794403Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4a4ce2499cd93cde696261e2c5aa4290-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 80176,
            "name": "2021 İstanbulGo Isınma Turnuvası",
            "director": {
                "id": 54877,
                "username": "igsNomad",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/8117a0351f6a880a1503de571b451082-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1782.6355577879071,
                        "deviation": 61.65762048972622,
                        "volatility": 0.06004789218350423
                    }
                },
                "ranking": 28.29971601967574,
                "professional": false,
                "ui_class": ""
            },
            "description": "İstanbul Go Turnuvası bu yıl muhtemelen çevrimiçi olacak, hem idari hem de oyuncu olarak hazırlık turlarımızdan birine hoşgeldiniz.",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 561,
                "name": "IstanbulGO",
                "summary": "Istanbul Go Players's Association OGS group.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 63,
                "icon": "https://user-uploads.online-go.com/007cab92de5c2887ff0e16bedeafaafb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-16T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-09-16T17:00:45.621530Z",
            "ended": "2021-09-16T19:35:27.970736Z",
            "start_waiting": "2021-09-16T19:35:27.959840Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/007cab92de5c2887ff0e16bedeafaafb-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 88406,
            "name": "东南亚中学生网络围棋友谊赛  SEA Secondary School Online Weiqi Friendly Tournament",
            "director": {
                "id": 733120,
                "username": "ChuahCheeHiong",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/e125627600779da6b0cb25be937b2320?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1513.8467788152907,
                        "deviation": 62.73762535783631,
                        "volatility": 0.060053299964145615
                    }
                },
                "ranking": 24.516103802439204,
                "professional": false,
                "ui_class": ""
            },
            "description": "Date: 16 April, Saturday 9am - 12pm\n\nVenue: Online Go Server (OGS)\n\nRounds: Swiss system 3 rounds\n\nBoard Size: 13x13\n\nRules: Japanese counting method, 6.5 komi\n\nTime per game: 20 mins Absolute",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9213,
                "name": "Teacher House Weiqi",
                "summary": "Hello everyone!! Enjoy have fun, be nice to one another =D",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-08T12:45:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-04-08T12:45:11.949494Z",
            "ended": "2022-04-08T12:48:04.944303Z",
            "start_waiting": "2022-04-08T12:48:04.939232Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 121407,
            "name": "Test tournament",
            "director": {
                "id": 1649078,
                "username": "fogreaper",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/183be2a7d2fb2909262cee800036fd26?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 112.12361057322778,
                        "deviation": 80.73266035720738,
                        "volatility": 0.06017117911186428
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is just me testing the tournament mechanics",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "aga",
            "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": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1777,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-22T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 132760,
            "name": "SP Open 2025 Test",
            "director": {
                "id": 1640355,
                "username": "Jxmeen",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/c5389eaa972e9dbf1be046e179c3d68a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1276.1827653590212,
                        "deviation": 63.77115184434299,
                        "volatility": 0.05999665472138032
                    }
                },
                "ranking": 20.562534317827588,
                "professional": false,
                "ui_class": ""
            },
            "description": "this is a test DO NOT TOUCH",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 2700,
                "main_time": 2700,
                "period_time": 5,
                "periods": 5,
                "per_move": 2700,
                "initial_time": 2700,
                "time_increment": 1,
                "max_time": 2700
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15657,
                "name": "SPMS Weiqi AY25/26 Exco-Subcomm",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-09-25T14:00:00Z",
            "players_start": 0,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-09-25T14:00:22.761189Z",
            "ended": "2025-09-25T14:18:36.432062Z",
            "start_waiting": "2025-09-25T14:18:36.414762Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}