GET /api/v1/tournaments/?format=api&ordering=board_size&page=4279
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 57854,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4280",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4278",
    "results": [
        {
            "id": 98981,
            "name": "Live 19x19 Swiss Tournament 2023-01-15 12:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20250927T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2025-09-27T00:00:28.702664Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2025-09-27T04:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-01-15T12:30:55.830394Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-01-15T12:30:57.440727Z",
            "ended": "2023-01-15T14:36:50.632392Z",
            "start_waiting": "2023-01-15T12:30:57.262806Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 6
        },
        {
            "id": 108890,
            "name": "Kari fsmidzbmd",
            "director": {
                "id": 1445427,
                "username": "Help me Im in twubble",
                "country": "us",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/27ba81a8448b6bd19bedba107f6a3791-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1188.815755117454,
                        "deviation": 79.05971879652472,
                        "volatility": 0.05997281945958606
                    }
                },
                "ranking": 18.92083447722264,
                "professional": false,
                "ui_class": ""
            },
            "description": "Kim sf",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 13679,
                "name": "Susquenita Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9eb90bc4857244bc3e03c8109370de59-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-26T14:50:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-26T14:50:37.022799Z",
            "ended": "2023-10-26T14:50:37.003631Z",
            "start_waiting": "2023-10-26T14:50:36.527821Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9eb90bc4857244bc3e03c8109370de59-15.png",
            "player_count": 1
        },
        {
            "id": 833,
            "name": "Speed Tourney",
            "director": {
                "id": 15817,
                "username": "Imagist",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/584047ad5883f1044166af7078dd208b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2001.3294336889094,
                        "deviation": 65.87546436248702,
                        "volatility": 0.05995347723533163
                    }
                },
                "ranking": 30.978605242221338,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 380,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 19,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-09-10T15:30:07Z",
            "ended": "2009-09-10T13:30:07Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0
        },
        {
            "id": 814,
            "name": "Danubian Spring Tournament",
            "director": {
                "id": 4048,
                "username": "kavias",
                "country": "ro",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/a4ac4865b1a811e9b33da3df4ea12bde-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1540.456794794316,
                        "deviation": 63.59060572756834,
                        "volatility": 0.05984461661129935
                    }
                },
                "ranking": 24.919493604399367,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 380,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 19,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-10-05T17:57:22Z",
            "ended": "2009-10-05T15:57:22Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0
        },
        {
            "id": 27785,
            "name": "In memory of Tsumego",
            "director": {
                "id": 306024,
                "username": "Ravensberg",
                "country": "fr",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/262d7f91be025d1e65a741d4a7a1d355-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1339.7612623161465,
                        "deviation": 63.87449323171259,
                        "volatility": 0.059959540228258654
                    }
                },
                "ranking": 21.68804166449176,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello fellow stars riders, a little tourney to keep this community alive and have some fun and fast correspondence games. I'd also like to create a live tournament if some of you are interested. Feel free to PM me or discuss in the chat.\n\nLive long and propser, always in gote.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 14400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 931,
                "name": "Rising Stars Academy",
                "summary": "Provide a different sort of league not find anywhere else online",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 121,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/fa46749efc6ccba4e20e1c28910f57ed-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-06-13T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-06-13T12:56:29.115602Z",
            "ended": "2017-08-16T23:47:21.446920Z",
            "start_waiting": "2017-06-13T12:56:26.663016Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/fa46749efc6ccba4e20e1c28910f57ed-15.png",
            "player_count": 9
        },
        {
            "id": 29102,
            "name": "House Overplay Blitz 19X19 Cup",
            "director": {
                "id": 437427,
                "username": "call_it.exe",
                "country": "un",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/28198ba8631ffbdc457f9639208215c7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1655.9270367060326,
                        "deviation": 66.25955962746723,
                        "volatility": 0.06008004719723748
                    }
                },
                "ranking": 26.59282196443753,
                "professional": false,
                "ui_class": ""
            },
            "description": "remember to overplay",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "period_time": 10,
                "main_time": 0,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 1,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1717,
                "name": "House Overplay",
                "summary": "Style: Overplay, of course, trashtalking and memes are also accepted. We also never play in sober condition.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/bb1d7eac6636fa31cf78bd59477adc3b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-08-13T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-08-13T03:00:36.137213Z",
            "ended": "2017-08-13T03:15:55.560412Z",
            "start_waiting": "2017-08-13T03:00:35.420500Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/bb1d7eac6636fa31cf78bd59477adc3b-15.png",
            "player_count": 12
        },
        {
            "id": 29291,
            "name": "go super plyers",
            "director": {
                "id": 463140,
                "username": "Kosta Ilić plaz go",
                "country": "150",
                "icon": "https://secure.gravatar.com/avatar/f97f183124f47ec78122fd7ac638118c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 870.0193147821869,
                        "deviation": 75.27091361545007,
                        "volatility": 0.05998797758699369
                    }
                },
                "ranking": 11.693462015778044,
                "professional": false,
                "ui_class": ""
            },
            "description": "super go 88 6/",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 86400,
                "time_increment": 14400,
                "speed": "correspondence"
            },
            "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": 17440,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-08-10T10:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-08-11T09:24:35.616362Z",
            "ended": "2017-08-27T23:15:58.812078Z",
            "start_waiting": "2017-08-11T09:24:35.385763Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 5
        },
        {
            "id": 47167,
            "name": "tournoi",
            "director": {
                "id": 621682,
                "username": "raphael111",
                "country": "fr",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/499c85f7c050286762ffe593b6922ec7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1485.739173508614,
                        "deviation": 62.16054318184523,
                        "volatility": 0.06004625074055945
                    }
                },
                "ranking": 24.082237182783146,
                "professional": false,
                "ui_class": ""
            },
            "description": "tournoi",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 1200,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "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": 17440,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-04-04T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-04-18T16:43:52.871390Z",
            "ended": "2019-04-18T17:35:55.637077Z",
            "start_waiting": "2019-04-18T16:43:52.562225Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4
        },
        {
            "id": 82255,
            "name": "Correspondence Weekly McMahon 19x19 2021-11-13 17:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 9,
                "name": "Correspondence Weekly McMahon 19x19",
                "rrule": "DTSTART:20250922T170000Z\nRRULE:FREQ=WEEKLY",
                "active": true,
                "created": "2015-12-16T02:22:56.480465Z",
                "last_run": "2025-09-22T17:00:22.270419Z",
                "lead_time_seconds": 432000,
                "tournament_type": "s_mcmahon",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 10,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": 3,
                    "upper_bar": "25",
                    "lower_bar": "15",
                    "group_size": 4,
                    "maximum_players": 1000
                },
                "next_run": "2025-09-29T17:00:00Z",
                "base_points": "30.0"
            },
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-11-13T17:00:23.385922Z",
            "players_start": 10,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-13T17:01:16.015164Z",
            "ended": "2023-06-06T07:23:10.010947Z",
            "start_waiting": "2021-11-13T17:01:11.295355Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 53
        },
        {
            "id": 6133,
            "name": "Julko's 3",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 906.364750495248,
                        "deviation": 71.03827663036697,
                        "volatility": 0.05929857024542571
                    }
                },
                "ranking": 12.640908339864541,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Play GO!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7,
                "name": "Polish Go Players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 446,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2bf108a559c752303005e32bfe754667-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-04-22T15:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-04-17T12:55:42.549214Z",
            "ended": "2016-01-31T03:26:02.402022Z",
            "start_waiting": "2015-04-17T12:55:41.607233Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2bf108a559c752303005e32bfe754667-15.png",
            "player_count": 10
        }
    ]
}