List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-name&page=5192
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59014,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=5193",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-name&page=5191",
    "results": [
        {
            "id": 65347,
            "name": "Active forum users II",
            "director": {
                "id": 747928,
                "username": "李建澔2",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/7dfcf7f08dc31d02b156957bca67bbdd-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1174.3551066903533,
                        "deviation": 64.4887180154099,
                        "volatility": 0.06015229462096002
                    }
                },
                "ranking": 18.63751328794923,
                "professional": false,
                "ui_class": ""
            },
            "description": "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": 5903,
                "name": "Active forum users!",
                "summary": "Hi everyone have fun in this group ❤️🧡💛💚💙💜🖤🤍🤎🔴🟠🟡🟢🔵🟣⚫️⚪️🟤🟥🟧🟨🟩🟦🟪⬛️⬜️🟫☯️GS forum https://forums.online-go.com",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/5cdf93a4f797602ea9769c9b9181930d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-26T06:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-26T06:01:01.276628Z",
            "ended": "2021-10-12T09:04:38.367931Z",
            "start_waiting": "2020-09-26T06:00:58.347567Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5cdf93a4f797602ea9769c9b9181930d-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 128957,
            "name": "A Cold Day in July DDK Tournament",
            "director": {
                "id": 58836,
                "username": "DrQuantum",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1044.4415442102263,
                        "deviation": 63.301086567752385,
                        "volatility": 0.058974316752603596
                    }
                },
                "ranking": 15.923480987373177,
                "professional": false,
                "ui_class": ""
            },
            "description": "On the threshold of June, we begin another DDK tournament to give DDKs a tournament of their own.  Enjoy!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "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": 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": 17861,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-09T12:11:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-09T12:11:53.963023Z",
            "ended": null,
            "start_waiting": "2025-07-09T12:11:53.691660Z",
            "board_size": 19,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 88477,
            "name": "ACI GO Tournament",
            "director": {
                "id": 733457,
                "username": "nilovski.",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/187d52e4821510a1d4175d497c2eb81f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 798.8430904773029,
                        "deviation": 67.65418578927876,
                        "volatility": 0.060606815676823855
                    }
                },
                "ranking": 9.717589416904598,
                "professional": false,
                "ui_class": ""
            },
            "description": "workshop",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 300,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11521,
                "name": "ACI Go Workshop",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/e6a7b74a55b2c711b8868ab6e298eceb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-10T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-10T17:53:23.782265Z",
            "ended": "2022-04-10T18:07:29.948137Z",
            "start_waiting": "2022-04-10T17:53:23.662683Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e6a7b74a55b2c711b8868ab6e298eceb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 65764,
            "name": "ACAPULCO",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 737.7046137263186,
                        "deviation": 68.20913185753804,
                        "volatility": 0.06058593027435129
                    }
                },
                "ranking": 7.874362062534066,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hola vamo a jugar",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-22T18:50:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-22T18:50:22.277183Z",
            "ended": "2020-09-22T19:23:18.416905Z",
            "start_waiting": "2020-09-22T18:50:21.907919Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 61784,
            "name": "Acanie",
            "director": {
                "id": 780915,
                "username": "damiencam",
                "country": "fr",
                "icon": "https://secure.gravatar.com/avatar/0a3f7d3f5f4fb297b7e2d54825797190?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 856.9428772345112,
                        "deviation": 65.15420079756397,
                        "volatility": 0.0599992908608538
                    }
                },
                "ranking": 11.342874937248924,
                "professional": false,
                "ui_class": ""
            },
            "description": "bonjour",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": 5985,
                "name": "damiencam",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-11T10:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-06-11T10:00:15.430551Z",
            "ended": "2020-06-20T11:38:50.162345Z",
            "start_waiting": "2020-06-11T10:00:15.033525Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 49562,
            "name": "Academia Prosodiae Opening Tournament",
            "director": {
                "id": 627944,
                "username": "Lys prosodiae",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/c0dfb9ec4d2943f084cd67c2754e17ce-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1747.4391928157395,
                        "deviation": 64.10915842779377,
                        "volatility": 0.059974328047033024
                    }
                },
                "ranking": 27.83806978963186,
                "professional": false,
                "ui_class": ""
            },
            "description": "Here's our opening tournament, with added time because you're all too slow.\n\nBy reading these words, you are agreeing to our cookie usage and privacy policy, sealing your fate in the hands of Bhaal the soul devourer and may be entered into an optional giveaway for novelty key chains.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 3753,
                "name": "Academia Prosodiae",
                "summary": "The superior choice for all your Go-learning needs, and a whole 18% cheaper!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/fbd4aa701bdf840356630c0fc31d6e94-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-06-22T21:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-06-22T21:30:45.183206Z",
            "ended": "2019-11-22T05:40:53.764802Z",
            "start_waiting": "2019-06-22T21:30:43.590070Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fbd4aa701bdf840356630c0fc31d6e94-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 87678,
            "name": "Absolute Week - no vacations no pausing",
            "director": {
                "id": 710368,
                "username": "Macrophage",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1737.041124696,
                        "deviation": 69.28824059273519,
                        "volatility": 0.059784720722113084
                    }
                },
                "ranking": 27.699905145520326,
                "professional": false,
                "ui_class": ""
            },
            "description": "-----\nAnyone who has vacation mode switched on, or pauses a game, will be disqualified.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 6720,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 604800
            },
            "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": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-31T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-03-31T23:00:41.675760Z",
            "ended": "2022-04-26T06:27:41.373509Z",
            "start_waiting": "2022-03-31T23:00:40.826814Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 123513,
            "name": "Absolute time monthly for DDKs",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1100.1417334500736,
                        "deviation": 63.70224725824915,
                        "volatility": 0.0600681839199658
                    }
                },
                "ranking": 17.126278244640424,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Pauses are not allowed. \nVacation is strongly discouraged and may lead to disqualification. \n\nHappy New Year everyone!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "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": 1781,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-31T22:01:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-31T22:01:35.799038Z",
            "ended": "2026-01-11T16:29:26.548396Z",
            "start_waiting": "2024-12-31T22:01:35.429391Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 90113,
            "name": "Absolute Fortnight - septmbr 2022",
            "director": {
                "id": 710368,
                "username": "Macrophage",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1737.041124696,
                        "deviation": 69.28824059273519,
                        "volatility": 0.059784720722113084
                    }
                },
                "ranking": 27.699905145520326,
                "professional": false,
                "ui_class": ""
            },
            "description": "-----\nNo pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\n**Beware that this is fast correspondence.**\n\nAlso, please do not use AI.\n\nSmallest group point compensation: \nPlayers in the smallest group in round one and two will receive extra points such that the maximum obtainable point value is just one less than in the other groups.\n\n---------------\n* Previous tournament:\nhttps://online-go.com/tournament/86845\n* Next tournament:\nhttps://online-go.com/tournament/92467",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13440,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "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": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-08-31T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-31T23:00:45.076382Z",
            "ended": "2022-11-16T18:03:10.782008Z",
            "start_waiting": "2022-08-31T23:00:42.222468Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 47,
            "ranked": true
        },
        {
            "id": 103387,
            "name": "Absolute Fortnight - septembr 2023",
            "director": {
                "id": 710368,
                "username": "Macrophage",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1737.041124696,
                        "deviation": 69.28824059273519,
                        "volatility": 0.059784720722113084
                    }
                },
                "ranking": 27.699905145520326,
                "professional": false,
                "ui_class": ""
            },
            "description": "-----\nNo pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\n**Beware that this is fast correspondence.**\n\nAlso, please do not use AI.\n\nSmallest group point compensation: Players in the smallest group in each round will receive extra points such that the maximum obtainable point value is just one less than in the other groups.\n\n---------------\n* Previous tournament:\nhttps://online-go.com/tournament/101081\n* Next tournament:\nhttps://online-go.com/tournament/105355",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "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": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-31T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-31T23:00:12.763436Z",
            "ended": "2023-11-21T09:28:21.271273Z",
            "start_waiting": "2023-08-31T23:00:10.523171Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 46,
            "ranked": true
        }
    ]
}