List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=2863
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59149,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=2864",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=2862",
    "results": [
        {
            "id": 62888,
            "name": "Live 9x9 Double Elimination Tournament 2020-07-08 10:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260328T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-28T06:00:09.983368Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-28T10:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-07-08T10:30:46.463240Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-08T10:30:48.120640Z",
            "ended": "2020-07-08T11:03:20.838195Z",
            "start_waiting": "2020-07-08T10:30:47.769773Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 63839,
            "name": "Pokémon GO",
            "director": {
                "id": 769817,
                "username": "Alenazheng",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/6b197120be1d2523b033076ed7d6bf4a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 901.8881432945982,
                        "deviation": 64.09641335570893,
                        "volatility": 0.06016236982422869
                    }
                },
                "ranking": 12.526285359008245,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament is called Pokémon GO please have fun playing with opponents and winning. Everyone is welcomed. Please join my tournament. When you are done with your game please let me know right away.",
            "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": true,
            "group": {
                "id": 6427,
                "name": "Pokémon Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 52,
                "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-02T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-02T13:54:58.677649Z",
            "ended": "2020-09-08T13:46:11.710994Z",
            "start_waiting": "2020-08-02T13:54:58.394227Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 64023,
            "name": "Darryl vs way Kwang",
            "director": {
                "id": 776700,
                "username": "Pang Kai Yong Darryl",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/3a31431602c52009ba5c0e478bdb9277?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1007.6367844817655,
                        "deviation": 75.40703573340481,
                        "volatility": 0.05994581570529703
                    }
                },
                "ranking": 15.092984847960091,
                "professional": false,
                "ui_class": ""
            },
            "description": "Description",
            "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": 5118,
                "name": "SP Weiqi 2020/2021",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-08-07T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-07T10:55:39.208193Z",
            "ended": "2020-08-07T11:52:01.786940Z",
            "start_waiting": "2020-08-07T10:55:39.103034Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 64266,
            "name": "Fast Correspondence 2020-08-21",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1559.075083501533,
                        "deviation": 62.24072936052533,
                        "volatility": 0.0597367213814784
                    }
                },
                "ranking": 25.19761209745618,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "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": "2020-08-21T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-21T00:00:29.885000Z",
            "ended": "2020-10-13T12:53:43.283302Z",
            "start_waiting": "2020-08-21T00:00:28.252617Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 69614,
            "name": "Live 9x9 Double Elimination Tournament 2020-12-31 22:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260328T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-28T06:00:09.983368Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-28T10:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-12-31T22:30:01.446878Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-12-31T22:30:02.912232Z",
            "ended": "2020-12-31T23:22:55.441767Z",
            "start_waiting": "2020-12-31T22:30:02.669840Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 62608,
            "name": "Torneio 3",
            "director": {
                "id": 39705,
                "username": "RicardoSS",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/3e98e14b6d78c9c77f4a1b83403816f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1373.6760184907394,
                        "deviation": 76.37089042383647,
                        "volatility": 0.060034318475352545
                    }
                },
                "ranking": 22.266767031832742,
                "professional": false,
                "ui_class": ""
            },
            "description": "Agora vai!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5304,
                "name": "EQUIPE",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/8f19b73f4ca400338f26b47bfd38e0ab-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-30T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-06-30T23:00:55.197984Z",
            "ended": "2020-07-08T11:33:16.754611Z",
            "start_waiting": "2020-06-30T23:00:54.806026Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8f19b73f4ca400338f26b47bfd38e0ab-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 64283,
            "name": "Live 9x9 Double Elimination Tournament 2020-08-14 18:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260328T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-28T06:00:09.983368Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-28T10:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-08-14T18:30:55.873823Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-08-14T18:30:57.856727Z",
            "ended": "2020-08-14T19:20:03.541195Z",
            "start_waiting": "2020-08-14T18:30:57.031676Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 76465,
            "name": "中級リーグ(9級~6級)",
            "director": {
                "id": 776731,
                "username": "AYAMI.S",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2135.391155460219,
                        "deviation": 62.434741307036,
                        "volatility": 0.05997799478924156
                    }
                },
                "ranking": 32.47960874599521,
                "professional": false,
                "ui_class": ""
            },
            "description": "キラキラリーグ内の【中級者向け】リーグ戦です。 持ち時間は14日。 2021年7月1日のリーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-01T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-07-01T11:00:52.672083Z",
            "ended": "2021-07-23T00:52:57.098495Z",
            "start_waiting": "2021-07-01T11:00:52.235539Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 80805,
            "name": "University of York Go Society Beginners 9x9 Tournament",
            "director": {
                "id": 473584,
                "username": "dragon-devourer",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/74572977eae9c3090abc484d1ab4e5bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1365.8492715682544,
                        "deviation": 62.50773128666975,
                        "volatility": 0.06000261338813411
                    }
                },
                "ranking": 22.134488870438677,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome to the University of York Go Society. Although this is called a \"tournament\", don't worry about it being too competitive. Really, this is just a chance to play and have fun. If the tournament gets full, I will make another. So join in and enjoy your games!",
            "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": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1814,
                "name": "University of York Go Society",
                "summary": "University of York (UK) Go Society",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 29,
                "icon": "https://user-uploads.online-go.com/acf03417e40cfdfd51fc47278d423a4c-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-06T18:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-10-06T18:30:06.836024Z",
            "ended": "2021-10-21T09:36:23.777084Z",
            "start_waiting": "2021-10-06T18:30:06.564251Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/acf03417e40cfdfd51fc47278d423a4c-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 62599,
            "name": "Férias Inverno 2020",
            "director": {
                "id": 39705,
                "username": "RicardoSS",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/3e98e14b6d78c9c77f4a1b83403816f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1373.6760184907394,
                        "deviation": 76.37089042383647,
                        "volatility": 0.060034318475352545
                    }
                },
                "ranking": 22.266767031832742,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneio para treino.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5304,
                "name": "EQUIPE",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/8f19b73f4ca400338f26b47bfd38e0ab-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-30T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-30T19:39:46.529135Z",
            "ended": "2020-07-16T23:35:29.779968Z",
            "start_waiting": "2020-06-30T19:39:46.238122Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8f19b73f4ca400338f26b47bfd38e0ab-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}