List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=360
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60112,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=361",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=359",
    "results": [
        {
            "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": 1422.25735350131,
                        "deviation": 59.10933233071185,
                        "volatility": 0.05547536234780107
                    }
                },
                "ranking": 23.071343507877337,
                "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": 884,
                "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": 103771,
            "name": "一個棋賽一個棋賽一個棋賽一個棋賽一個棋賽",
            "director": {
                "id": 1346582,
                "username": "林天舒huhx",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/1f44b26a614dc2ff18f6c6f64687a4ba-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1355.3827347872684,
                        "deviation": 122.46179415141465,
                        "volatility": 0.060013576597944304
                    }
                },
                "ranking": 21.95640664829912,
                "professional": false,
                "ui_class": ""
            },
            "description": "希望大家踴躍參加",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 3714,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 14400,
                "period_time": 3600,
                "periods": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13221,
                "name": "Aisksk",
                "summary": "Aisksk,s",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/785079b411ce36aa3277688b219696bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-29T12:00:00Z",
            "players_start": 1000,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-08-30T20:17:40.820597Z",
            "ended": "2025-09-08T20:18:18.236423Z",
            "start_waiting": "2025-08-30T20:17:40.741257Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/785079b411ce36aa3277688b219696bb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 118023,
            "name": "Correspondence 9x9 RoundRobin 2024-07-12 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 Site-wide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260701T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-07-01T19:00:17.822098Z",
                "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": "2026-07-04T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": "2024-07-12T19:00:24.841238Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-12T19:01:17.990792Z",
            "ended": "2024-10-07T22:19:49.897670Z",
            "start_waiting": "2024-07-12T19:01:17.872254Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 29498,
            "name": "13x13 one-color-go tournament",
            "director": {
                "id": 336196,
                "username": "kickaha",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/823c5fca3fab25405c66070b7869fc02-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1820.0286982104328,
                        "deviation": 61.05381351620266,
                        "volatility": 0.05991180284382914
                    }
                },
                "ranking": 28.780294961695336,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "second 13x13 one color go tournament. games should be paused as soon as the tournament starts and players will be responsible for scheduling their games at some point in the not to distant future :D.\n\nfor a discription about how to play one color go please visit the group page. if there are other questions ask away!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1534,
                "name": "OneColorGo-Group",
                "summary": "You are all welcome! :D",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 48,
                "icon": "https://user-uploads.online-go.com/932ea2aa1a94da488c92133f7f268199-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-09-01T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-09-01T15:00:35.825083Z",
            "ended": "2018-01-18T10:02:27.956846Z",
            "start_waiting": "2017-09-01T15:00:32.816138Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/932ea2aa1a94da488c92133f7f268199-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 108389,
            "name": "Getting Gud",
            "director": {
                "id": 917299,
                "username": "August Leo",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/3b1bbe5711f0322c697ab2d01300445f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 770.432408099329,
                        "deviation": 64.1203049916428,
                        "volatility": 0.05997532605921408
                    }
                },
                "ranking": 8.87926731223425,
                "professional": false,
                "ui_class": ""
            },
            "description": "Time to brush up on our go folks",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "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": 8005,
                "name": "Apoptosis",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://user-uploads.online-go.com/9dcd573ab2f82f82731f1645ef496cd3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-24T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-08-24T18:00:44.500225Z",
            "ended": "2024-09-30T01:09:56.420877Z",
            "start_waiting": "2024-08-24T18:00:44.423566Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9dcd573ab2f82f82731f1645ef496cd3-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 18306,
            "name": "Correspondence 13x13 RoundRobin 2016-06-17 01:00",
            "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": 7,
                "name": "Correspondence 13x13 RoundRobin",
                "rrule": "DTSTART:20260630T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-06-30T19:00:17.317048Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "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": "2026-07-03T19:00:00Z",
                "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,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2016-06-17T01:00:14.771554Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-06-17T01:00:34.206632Z",
            "ended": "2016-08-05T17:29:25.162346Z",
            "start_waiting": "2016-06-17T01:00:33.195953Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 141798,
            "name": "LegendOfKazan Takt1k Friends",
            "director": {
                "id": 2048173,
                "username": "LegendOfKazan",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/c48ef7217cd0d7a1c5199086d274098e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 305.22147522811383,
                        "deviation": 90.41337264490579,
                        "volatility": 0.05999485243468062
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Всем привет",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 9
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16536,
                "name": "LegendOfKazan Takt1k Friends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-07-02T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}