List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5349
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60829,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5350",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5348",
    "results": [
        {
            "id": 22365,
            "name": "Saturday Tournament Meet",
            "director": {
                "id": 163711,
                "username": "001616542",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/112e960909fadcf12d30a612a9bc0f91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1331.5389314312727,
                        "deviation": 66.30657214573475,
                        "volatility": 0.06021468057452146
                    }
                },
                "ranking": 21.545528620420647,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament will be interesting and fun. Strictly no sandbaggers allowed please. Sandbaggers will be disqualified.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 30,
            "time_control_parameters": {
                "total_time": 2700,
                "time_control": "absolute"
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 18122,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-12-31T04:45:00Z",
            "players_start": 36,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 35,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-12-31T04:45:05.986523Z",
            "ended": "2016-12-31T12:41:31.635596Z",
            "start_waiting": "2016-12-31T04:45:04.708158Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 36,
            "ranked": true
        },
        {
            "id": 142758,
            "name": "สาระRAiLs Tour ครั้งที่ 84",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1501.7747968551764,
                        "deviation": 64.22326831111047,
                        "volatility": 0.05948055701050633
                    }
                },
                "ranking": 24.330757021874536,
                "professional": false,
                "ui_class": ""
            },
            "description": "RESPECT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-08-16T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 20,
            "max_ranking": 35,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-08-05T06:04:04.998257Z",
            "ended": null,
            "start_waiting": "2026-08-05T06:04:04.631816Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 22399,
            "name": "ninavip",
            "director": {
                "id": 342315,
                "username": "роман.го",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/0c010f0135c7770fc7382331b900d9d6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1079.2951898791944,
                        "deviation": 64.98552674156217,
                        "volatility": 0.0600236071408643
                    }
                },
                "ranking": 16.683400364467186,
                "professional": false,
                "ui_class": ""
            },
            "description": "igo game",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 5,
                "main_time": 3600,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1292,
                "name": "i go game",
                "summary": "игра и го",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-11-21T17:26:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2016-11-21T17:26:27.402691Z",
            "ended": "2016-11-21T17:53:57.905396Z",
            "start_waiting": "2016-11-21T17:26:27.223174Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 43126,
            "name": "Swiss Byo-Yomi  Live CHinese 19X19 Open Coke Tournament",
            "director": {
                "id": 586762,
                "username": "Likerofgo",
                "country": "_United_Nations",
                "icon": "https://secure.gravatar.com/avatar/27e76766021e91a30990447aae031fca?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1640.2962634335036,
                        "deviation": 65.18034366742593,
                        "volatility": 0.0599611837710661
                    }
                },
                "ranking": 26.37326456152656,
                "professional": false,
                "ui_class": ""
            },
            "description": "Drink Coke while playing.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 46,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 1500,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 375,
                "name": "Singapore Go Group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 94,
                "icon": "https://user-uploads.online-go.com/529c6f8d9bf74e0c7bad9bd6a682570e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-27T04:00:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-29T13:54:12.210459Z",
            "ended": "2018-11-29T15:27:52.667981Z",
            "start_waiting": "2018-11-29T13:54:11.841995Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/529c6f8d9bf74e0c7bad9bd6a682570e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 123972,
            "name": "สาระRA!Ls Tour ครั้งที่ 76",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1501.7747968551764,
                        "deviation": 64.22326831111047,
                        "volatility": 0.05948055701050633
                    }
                },
                "ranking": 24.330757021874536,
                "professional": false,
                "ui_class": ""
            },
            "description": "RESPECT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 8890,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 90,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-01-16T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-16T07:00:39.930075Z",
            "ended": "2025-04-05T17:38:11.463701Z",
            "start_waiting": "2025-01-16T07:00:39.727083Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 139487,
            "name": "CHEERFUL GO #132 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2043.6666585391163,
                        "deviation": 71.90000863380385,
                        "volatility": 0.05976342612111411
                    }
                },
                "ranking": 31.46322501697711,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nSingle elimination tournament every Thursday.\n\nPlease contact nobhaete directly if you have any questions.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-30T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-30T04:00:48.806497Z",
            "ended": "2026-05-30T06:36:32.110077Z",
            "start_waiting": "2026-04-30T04:00:48.694391Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 112618,
            "name": "HAPPY GO #58 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2043.6666585391163,
                        "deviation": 71.90000863380385,
                        "volatility": 0.05976342612111411
                    }
                },
                "ranking": 31.46322501697711,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-18T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-18T04:00:40.264671Z",
            "ended": "2024-05-05T12:14:33.098837Z",
            "start_waiting": "2024-02-18T04:00:40.165729Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 64994,
            "name": "🪔God of Go Deepavali Theme Tournament!🪔",
            "director": {
                "id": 681235,
                "username": "johannguyen",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/5b71579a2dd747619908f8c25e7257b3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1786.0753867808758,
                        "deviation": 64.7454226166136,
                        "volatility": 0.060078710528863946
                    }
                },
                "ranking": 28.344343935517347,
                "professional": false,
                "ui_class": ""
            },
            "description": "🪔Deepavali is near soon, let's celebrate with a tournament!🪔\n\nDeepavali, also known as Diwali, is an festival celebrated by Hindus, Jains, Sikhs, and Newar Buddhists. This festival symbolises light over darkness, knowledge over ignorance and good over evil. \n\nDo invite more players to make the tournament more lively!\n\nHave fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4006,
                "name": "God of Go",
                "summary": "FIRST DECENTRALIZED GO LEARNING AND PLAYING PLATFORM",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 413,
                "icon": "https://user-uploads.online-go.com/e758f131015bdcdb1ffce1d7e8b77f6d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-13T16:00:00Z",
            "players_start": 20,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 20,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-13T16:00:26.027951Z",
            "ended": "2021-03-17T05:32:06.281665Z",
            "start_waiting": "2020-11-13T16:00:24.785184Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e758f131015bdcdb1ffce1d7e8b77f6d-15.png",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 120444,
            "name": "HAPPY GO #84 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2043.6666585391163,
                        "deviation": 71.90000863380385,
                        "volatility": 0.05976342612111411
                    }
                },
                "ranking": 31.46322501697711,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-06T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-06T04:00:27.429825Z",
            "ended": "2025-01-22T21:03:38.083238Z",
            "start_waiting": "2024-10-06T04:00:27.355343Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 134333,
            "name": "CHEERFUL GO #114 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2043.6666585391163,
                        "deviation": 71.90000863380385,
                        "volatility": 0.05976342612111411
                    }
                },
                "ranking": 31.46322501697711,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-20T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-20T04:00:07.705033Z",
            "ended": "2026-03-14T08:40:14.383098Z",
            "start_waiting": "2025-11-20T04:00:07.491316Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 21,
            "ranked": true
        }
    ]
}