Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-ended&page=92
{ "count": 59624, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=93", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=91", "results": [ { "id": 126474, "name": "Sadaharu๐ฆ๐ฆ๐ฆ", "director": { "id": 1707341, "username": "ะฐะฑัะธะบะพัะธะบ ะบoัะธะบ", "country": "kz", "icon": "https://user-uploads.online-go.com/ee34d369ea0cd149373bf34337fb8672-64.png", "ratings": { "version": 5, "overall": { "rating": 469.5287450902599, "deviation": 70.48489661058206, "volatility": 0.06020834733651045 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ๐ฆ", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "aga", "time_per_move": 623947, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13797, "name": " ๆ ้ดๅค็ขๆฏๅ Go Advance forward forever", "summary": "ๆฌข่ฟๅดๆฃ็ฑๅฅฝ่ ๆฅๅฐๅฑไบๆจ็ๅญๅฐ\n\n\n In Your ๐ Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 496, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": false, "time_start": "2025-03-19T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-19T11:00:17.505165Z", "ended": null, "start_waiting": "2025-03-19T11:00:17.039323Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 10, "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": 107, "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": 124308, "name": "World Cup", "director": { "id": 1558538, "username": "Jerrygomaster", "country": "au", "icon": "https://user-uploads.online-go.com/d5fd7c1453ab796cef257b9830d79407-64.png", "ratings": { "version": 5, "overall": { "rating": 748.0256653976678, "deviation": 67.12284185395168, "volatility": 0.06002856355977597 } }, "ranking": 8.196003470956546, "professional": false, "ui_class": "" }, "description": "Whoever comes first gets to be admin for a year, second is half a year and third is quarter a year.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 623947, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14941, "name": "Jerrygomaster's Friends", "summary": "Please become my friend and if you do, you can be part of this group.\n", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/8569728f4071061c0cfb394db2cb66e3-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-16T01:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-16T01:00:40.008573Z", "ended": null, "start_waiting": "2025-01-16T01:00:39.662929Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/8569728f4071061c0cfb394db2cb66e3-15.png", "player_count": 8, "ranked": true }, { "id": 138955, "name": "Correspondence 13x13 RoundRobin 2026-04-05 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260510T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-10T19:00:49.863592Z", "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": "2026-05-13T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2026-04-05T19:00:16.986749Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-05T19:00:17.885817Z", "ended": null, "start_waiting": "2026-04-05T19:00:17.464824Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 55783, "name": "Taiwan National Day", "director": { "id": 348886, "username": "nicodaisuki", "country": "tw", "icon": "https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1724.605004636006, "deviation": 65.88111689435804, "volatility": 0.06003268569255853 } }, "ranking": 27.533569588846934, "professional": false, "ui_class": "" }, "description": "Taiwan is a country!!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 2419200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1144, "name": "Taiwanese", "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 182, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-10T07:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-10T07:00:40.198460Z", "ended": null, "start_waiting": "2020-10-10T07:00:38.157845Z", "board_size": 19, "active_round": 5, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png", "player_count": 87, "ranked": true }, { "id": 73321, "name": "520 Forever Game - Like playing forever long game", "director": { "id": 791718, "username": "StormPoseidon", "country": "us", "icon": "https://user-uploads.online-go.com/df5a7920cdb117a8fd186c7c7bfde50e-64.png", "ratings": { "version": 5, "overall": { "rating": 1011.8594180046875, "deviation": 65.25643334701458, "volatility": 0.059994818380393285 } }, "ranking": 15.189795238983313, "professional": false, "ui_class": "" }, "description": "Welcome to super long tournament! \nLike super slow long game! Just like life!\n\nLife is the thing looks long, but actually short!\nไบบ็ใฏ้ทใใใใง ็ญใใใฎใงใ", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 611520, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 604800, "initial_time": 604800, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1144, "name": "Taiwanese", "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 182, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png" }, "auto_start_on_max": false, "time_start": "2021-05-20T12:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-20T12:00:39.315880Z", "ended": null, "start_waiting": "2021-05-20T12:00:38.430591Z", "board_size": 19, "active_round": 11, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png", "player_count": 37, "ranked": true }, { "id": 125029, "name": "Correspondence Weekly McMahon 19x19 2025-02-08 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:20260511T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-05-11T17:00:49.655876Z", "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": "2026-05-18T17:00:00Z", "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": "2025-02-08T17:00:23.581529Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-08T17:00:25.941884Z", "ended": null, "start_waiting": "2025-02-08T17:00:24.228477Z", "board_size": 19, "active_round": 3, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 32, "ranked": true }, { "id": 134821, "name": "Monday Morning 19x19 #75", "director": { "id": 1246361, "username": "katonal_edu", "country": "hu", "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png", "ratings": { "version": 5, "overall": { "rating": 1482.4218691165722, "deviation": 66.99404105360328, "volatility": 0.06001699194390396 } }, "ranking": 24.030490914607018, "professional": false, "ui_class": "" }, "description": "To have a good start of the week you need to join this 19x19 #75 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87768, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12889, "name": "Monday Morning", "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 47, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-05T09:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-05T09:00:21.827329Z", "ended": null, "start_waiting": "2026-01-05T09:00:21.660704Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png", "player_count": 16, "ranked": true }, { "id": 134906, "name": "Handicap Arena 2025 - 099", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1090.465887946562, "deviation": 64.79657529283531, "volatility": 0.060067569323205706 } }, "ranking": 16.921771259522597, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. 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