List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1686
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60764,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1687",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1685",
    "results": [
        {
            "id": 67941,
            "name": "Correspondence 9x9 RoundRobin 2020-11-18 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260821T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-08-21T19:00:17.332067Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "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": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-08-24T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "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": "2020-11-18T19:00:42.879396Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-18T19:00:48.130672Z",
            "ended": "2020-12-22T16:47:27.707716Z",
            "start_waiting": "2020-11-18T19:00:45.509916Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 63834,
            "name": "Simple Correspondence 19x19 ALL 2020 September",
            "director": {
                "id": 302584,
                "username": "koast",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1518.190018088078,
                        "deviation": 64.08013528375135,
                        "volatility": 0.05996666523783403
                    }
                },
                "ranking": 24.58242625475131,
                "professional": false,
                "ui_class": ""
            },
            "description": "Analysis Disabled.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5017,
                "name": "Simple Correspondence",
                "summary": "2 days per move. No Analysis.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 67,
                "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-01T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-09-01T23:00:50.719906Z",
            "ended": "2020-12-24T01:31:14.296534Z",
            "start_waiting": "2020-09-01T23:00:49.524178Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 63530,
            "name": "Come play",
            "director": {
                "id": 735413,
                "username": "梁因諾2",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/20dd5a833b9922de3fb330d9f2c77a20-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1359.7350232735641,
                        "deviation": 64.98105013355789,
                        "volatility": 0.0600482213494612
                    }
                },
                "ranking": 22.030624839725757,
                "professional": false,
                "ui_class": ""
            },
            "description": "come play",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1500
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6365,
                "name": "The Best Happy Go Group",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 34,
                "icon": "https://user-uploads.online-go.com/50f48517d57f1d146fa4da1186bb47f6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-25T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-29T11:45:35.728436Z",
            "ended": "2020-07-29T13:01:11.538901Z",
            "start_waiting": "2020-07-29T11:45:35.529377Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/50f48517d57f1d146fa4da1186bb47f6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72375,
            "name": "Todos contra todos",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 763.2227067659302,
                        "deviation": 67.82666399931664,
                        "volatility": 0.06059945822311187
                    }
                },
                "ranking": 8.661609751861041,
                "professional": false,
                "ui_class": ""
            },
            "description": "todos contra todos",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 61,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2400,
                "period_time": 35,
                "periods": 4
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-09T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-03-08T23:18:01.091213Z",
            "ended": "2021-03-08T23:47:11.672500Z",
            "start_waiting": "2021-03-08T23:18:00.893926Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63518,
            "name": "Play with bot 04 9x9",
            "director": {
                "id": 798997,
                "username": "noob_bot",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/c0482108c2d871387c75860f532c7f8c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1317.9131787342362,
                        "deviation": 58.84708171529204,
                        "volatility": 0.05547048581228447
                    }
                },
                "ranking": 21.307412253071984,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Fast correspondence tournament, human/bot are welcome.\n\nGame result is NOT important.\n\nThis is running for debug & test.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 15360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 887,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-07-26T00:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-26T02:03:52.881187Z",
            "ended": "2020-07-28T02:24:45.548439Z",
            "start_waiting": "2020-07-26T02:03:52.606967Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 66087,
            "name": "Brawl starts 4",
            "director": {
                "id": 814427,
                "username": "羅琪琋avery",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/9e33d6cff902a6de8c76c05e6f2a28ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1347.413638259735,
                        "deviation": 61.777305411174325,
                        "volatility": 0.059977882867562324
                    }
                },
                "ranking": 21.819892391393466,
                "professional": false,
                "ui_class": ""
            },
            "description": "Join this chess game",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 73920,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 72000,
                "initial_time": 172800,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6849,
                "name": "Brawl starts ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/9e33d6cff902a6de8c76c05e6f2a28ee-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-03T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-03T11:00:22.601927Z",
            "ended": "2020-11-01T01:15:01.506056Z",
            "start_waiting": "2020-10-03T11:00:20.480922Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9e33d6cff902a6de8c76c05e6f2a28ee-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 70916,
            "name": "Haruo: a man of spring",
            "director": {
                "id": 842293,
                "username": "Makoto Akagi",
                "country": "019",
                "icon": "https://user-uploads.online-go.com/05e5d8dc71a4a531455e211984c1377f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 579.463297408204,
                        "deviation": 88.4272685651919,
                        "volatility": 0.05997946031281329
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "fUNNNNNNNNNNN",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 221,
                "name": "Anime & Manga Go Group ",
                "summary": "This is a group for people that likes Japanese animated cartoons and manga. All people are welcome! We will have small tournaments! Anyone can make the tournament in this group!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 155,
                "icon": "https://user-uploads.online-go.com/b932461259571f6d7b01c1b5deb63548-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-06T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-06T16:00:36.059964Z",
            "ended": "2021-05-11T10:13:54.015678Z",
            "start_waiting": "2021-02-06T16:00:35.925030Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b932461259571f6d7b01c1b5deb63548-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 95801,
            "name": "ทีมครูหมงเล่นกันครับ",
            "director": {
                "id": 517689,
                "username": "แมวขาวทะลุโลก",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d059e39e50cc5545723bb7c5e5b80a3b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1686.6614116105263,
                        "deviation": 63.238421865443854,
                        "volatility": 0.06003136626020439
                    }
                },
                "ranking": 27.018552407838442,
                "professional": false,
                "ui_class": ""
            },
            "description": "ทีมครูหมงเล่นกันครับ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12417,
                "name": "ทีมครูหมง",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-10-19T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-07-07T06:25:28.490495Z",
            "ended": "2023-09-21T18:37:54.398831Z",
            "start_waiting": "2023-07-07T06:25:28.377635Z",
            "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": 64492,
            "name": "Torneo 13x13 por correspondencia \"Chilenos Unidos por el Go\"",
            "director": {
                "id": 1861,
                "username": "sbstnmntlf",
                "country": "cl",
                "icon": "https://user-uploads.online-go.com/268a3294e0b64c27c9707f9b961dd3f7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1909.9402896498905,
                        "deviation": 75.90657873965178,
                        "volatility": 0.06006553358457227
                    }
                },
                "ranking": 29.89658125733005,
                "professional": false,
                "ui_class": ""
            },
            "description": "Primer torneo por correspondencia en tablero 13x13!\n\nSerá un torneo todos contra todos sin piedras de ventaja. El jugador que consiga más victorias será el campeón.",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 363,
                "name": "Chilenos Unidos por el Go",
                "summary": "Grupo que reúne a los jugadores chilenos de OGS",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 207,
                "icon": "https://user-uploads.online-go.com/5073ea9feb7f9b23e5e801ae5c22cfc9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-29T13:00:00Z",
            "players_start": 20,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-08-29T15:00:01.314121Z",
            "ended": "2020-10-08T23:43:34.359346Z",
            "start_waiting": "2020-08-29T14:59:59.545265Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5073ea9feb7f9b23e5e801ae5c22cfc9-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 65030,
            "name": "Quintero",
            "director": {
                "id": 768974,
                "username": "Gåsapågen",
                "country": "se",
                "icon": "https://secure.gravatar.com/avatar/3cc06461c94e81d3db8ed3f42d81e75c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1576.3144741317774,
                        "deviation": 102.4158546831308,
                        "volatility": 0.060005528193440474
                    }
                },
                "ranking": 25.452187108026894,
                "professional": false,
                "ui_class": ""
            },
            "description": "13x13",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "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": 5469,
                "name": "Grand Corona",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/21614e6f09e7520a1bc888df5097a96c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-11T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-09-11T16:00:47.833612Z",
            "ended": "2020-09-11T16:49:28.606848Z",
            "start_waiting": "2020-09-11T16:00:47.554636Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/21614e6f09e7520a1bc888df5097a96c-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}