Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=97
{ "count": 59945, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=98", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=96", "results": [ { "id": 134023, "name": "Correspondence Weekly McMahon 19x19 2025-11-08 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260615T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-06-15T17:00:19.352074Z", "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": "2026-06-22T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2025-11-08T17:00:22.668062Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-08T17:00:35.069714Z", "ended": null, "start_waiting": "2025-11-08T17:00:32.766408Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 41, "ranked": true }, { "id": 98884, "name": "HikaruNo GO", "director": { "id": 1271715, "username": "Amane Yugi", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/f721f028b26f60d406270e26d77c6b1d-64.png", "ratings": { "version": 5, "overall": { "rating": 317.0459274206644, "deviation": 71.6251230204964, "volatility": 0.060008818539231644 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "i d k", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8903, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-15T16:59:00Z", "players_start": 70, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-09T16:09:48.354024Z", "ended": "2025-08-13T17:58:48.582661Z", "start_waiting": "2023-07-09T16:09:47.640611Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 41, "ranked": true }, { "id": 125668, "name": "celebrate Pi Day Tournament", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "celebrate Pi Day", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 263987, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 259200, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13697, "name": "๐๐ท๐ต๐ฒ๐ท๐ฎ ๐๐ธ ๐ฃ๐ธ๐พ๐ป๐ท๐ช๐ถ๐ฎ๐ท๐ฝ", "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png" }, "auto_start_on_max": false, "time_start": "2025-03-14T17:00:00Z", "players_start": 3, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-03-14T17:00:18.071010Z", "ended": null, "start_waiting": "2025-03-14T17:00:16.360976Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png", "player_count": 41, "ranked": true }, { "id": 26131, "name": "Tournament 32", "director": { "id": 12573, "username": "Misawa", "country": "us", "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png", "ratings": { "version": 5, "overall": { "rating": 977.5796256115817, "deviation": 69.02183474866371, "volatility": 0.05986671976150141 } }, "ranking": 14.391926363316212, "professional": false, "ui_class": "" }, "description": "Another tournament? Of course!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 432000, "max_time": 518400, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 343, "name": "Global Go Club", "summary": "Open Go club for people anywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 592, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png" }, "auto_start_on_max": false, "time_start": "2017-04-30T23:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2017-04-30T23:00:41.898518Z", "ended": "2020-01-09T03:00:36.456318Z", "start_waiting": "2017-04-30T23:00:32.283896Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png", "player_count": 41, "ranked": true }, { "id": 30431, "name": "9x9 Double Elimination - October 2017", "director": { "id": 126739, "username": "๐ฌSofiam๐ฌ", "country": "_Olimpic_Movement", "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png", "ratings": { "version": 5, "overall": { "rating": 1012.0554496406809, "deviation": 84.91308607572303, "volatility": 0.076882078105041 } }, "ranking": 15.194279748149173, "professional": false, "ui_class": "" }, "description": "Everyone is welcome", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2986, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2017-10-15T18:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-10-15T18:00:23.589139Z", "ended": "2018-09-15T10:36:20.742455Z", "start_waiting": "2017-10-15T18:00:21.437337Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 41, "ranked": true }, { "id": 14014, "name": "Correspondence 19x19 Swiss 2016-01-12 17:00", "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": null, "title": null, "tournament_type": "swiss", "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": "2016-01-12T17:00:37.468515Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-12T17:00:51.278899Z", "ended": "2018-06-11T12:22:46.923001Z", "start_waiting": "2016-01-12T17:00:50.804881Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 41, "ranked": true }, { "id": 13821, "name": "Correspondence 19x19 Swiss 2016-01-05 17:00", "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": null, "title": null, "tournament_type": "swiss", "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": "2016-01-05T17:00:52.299027Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-05T17:01:05.869655Z", "ended": "2019-05-30T11:31:56.373414Z", "start_waiting": "2016-01-05T17:01:05.277244Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 41, "ranked": true }, { "id": 38604, "name": "2018 World HandiCup", "director": { "id": 446365, "username": "ChessKitten", "country": "un", "icon": "https://secure.gravatar.com/avatar/3cc33900adbcc0822869a26ef5a5e26a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Global Handicap Tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 604800, "max_time": 1209600, "time_increment": 86400, "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": 18011, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-07-14T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-14T22:00:42.170926Z", "ended": "2020-06-22T15:55:22.799834Z", "start_waiting": "2018-07-14T22:00:35.975138Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 41, "ranked": true }, { "id": 59480, "name": "Everybody! (I hope)", "director": { "id": 760687, "username": "HHG", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/94b05df11403a71a7a364ac616a2b643?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1358.7847135068978, "deviation": 64.1188301435753, "volatility": 0.0601574746002211 } }, "ranking": 22.014439802187283, "professional": false, "ui_class": "" }, "description": "Everybody will get an invite! Man this took a long time!(besides poor Freili (no hard feelings) is provisional)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 129600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5144, "name": "Go players", "summary": "For all go players - feel free to join!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 227, "icon": "https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-23T16:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-23T16:00:21.457852Z", "ended": "2020-09-25T06:56:41.976036Z", "start_waiting": "2020-04-23T16:00:18.655231Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-15.png", "player_count": 41, "ranked": true }, { "id": 35490, "name": "Capture Go 9th Cycle", "director": { "id": 66298, "username": "Peter ;)", "country": "au", "icon": "https://user-uploads.online-go.com/00eabc6c532138982adc562c0c346c98-64.png", "ratings": { "version": 5, "overall": { "rating": 1941.4459960341776, "deviation": 78.28401574064385, "volatility": 0.05996981929695001 } }, "ranking": 30.275340134490737, "professional": false, "ui_class": "" }, "description": "This is CAPTURE Go. The rules are simple: The first player to capture a stone or group of stones wins. Once a player loses a stone, he or she must resign. If no stones are captured during the game, then the game is scored like a normal Japanese game.\n\nKeep in mind that this changes the way you play completely. For example, a group that has a single two-territory eye is alive because the other player would have to sacrifice a stone โ and therefore the game โ to kill the group. Naturally, there is no such thing as a ko or a snapback.\n\nTournament starts on June 15.\n\nAnalysis and conditional moves enabled.\n\nAt the start of your game, copy and paste the following into your game chat:\n\n==== THIS IS CAPTURE GO ==== The first player to capture a stone wins. Remember, you cannot sacrifice a stone to shorten liberties or to kill a group. Review the rules if you forget.", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 196, "name": "FUN GO FUN", "summary": "Welcome to FUN GO FUN.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 184, "icon": "https://user-uploads.online-go.com/216dddd0c8234b71a1c8e8e42d53c9fd-64.png" }, "auto_start_on_max": false, "time_start": "2018-06-15T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-15T14:00:48.174565Z", "ended": "2020-07-04T12:58:49.094633Z", "start_waiting": "2018-06-15T14:00:46.480353Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/216dddd0c8234b71a1c8e8e42d53c9fd-15.png", "player_count": 41, "ranked": true } ] }
