Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=53
{ "count": 59465, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=54", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=52", "results": [ { "id": 128024, "name": "Competition Storm!", "director": { "id": 1659986, "username": "Plants vs. Brainrots Master", "country": "cn", "icon": "https://user-uploads.online-go.com/e698b02f854541db76edb15216603fc0-64.png", "ratings": { "version": 5, "overall": { "rating": 341.9734859600569, "deviation": 114.28592698131501, "volatility": 0.060040473867191566 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Fight here for only the peopleβs rights to play gold society from theβ¦\n\nTOAD SOCIETY!!!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 15301, "name": "toad society", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-04-30T21:00:00Z", "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 }, { "id": 124703, "name": "The best", "director": { "id": 1699710, "username": "Zacarmstrongchia", "country": "142", "icon": "https://secure.gravatar.com/avatar/eda204f1e645097b19f29235e78a9c73?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 105.93843639245028, "deviation": 73.11317428533287, "volatility": 0.060006763520148915 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Super fun", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 609587, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 604800, "initial_time": 604800, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1776, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-10T13:02:00Z", "players_start": 9, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 1, "ranked": true }, { "id": 3420, "name": "Long 19x19 tournament", "director": { "id": 85719, "username": "π KoBa π", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/e02f22fbecfc7c11575f2263f7fdbc3a-64.png", "ratings": { "version": 5, "overall": { "rating": 1721.3784291485513, "deviation": 68.64346657284136, "volatility": 0.06017862134392259 } }, "ranking": 27.490217526482958, "professional": false, "ui_class": " supporter" }, "description": "A tournament for people who like 19x19, but don't have the time to sit around for 2 hours to play a game. The time restrictions will allow for some time off if needed.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 633600, "time_control_parameters": { "time_control": "fischer", "initial_time": 2592000, "max_time": 2592000, "time_increment": 604800 }, "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": 8846, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-01-23T15:17:13.788427Z", "ended": null, "start_waiting": "2015-01-23T15:17:11.998433Z", "board_size": 19, "active_round": 6, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 37, "ranked": true }, { "id": 127958, "name": "Correspondence Weekly McMahon 19x19 2025-05-03 17:00", "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 Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260223T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-02-23T17:00:40.708711Z", "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": "2026-03-02T17:00:00Z", "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": "2025-05-03T17:00:47.998058Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-03T17:00:51.207711Z", "ended": null, "start_waiting": "2025-05-03T17:00:49.616121Z", "board_size": 19, "active_round": 2, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 33, "ranked": true }, { "id": 121331, "name": "Top of the world", "director": { "id": 1507765, "username": "bmeetze", "country": "us", "icon": "https://user-uploads.online-go.com/1f4a9bc65572ea64e80cb99b0e295500-64.png", "ratings": { "version": 5, "overall": { "rating": 1148.3940627212112, "deviation": 68.601008284641, "volatility": 0.060751066692001206 } }, "ranking": 18.12000308608663, "professional": false, "ui_class": "supporter" }, "description": "Challenges", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89448, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14385, "name": "The Ranked Group", "summary": "Join this group and compete for the best ^^", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 190, "icon": "https://user-uploads.online-go.com/afe0747efdb912a764d15d5340a4b85f-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-06T21:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/afe0747efdb912a764d15d5340a4b85f-15.png", "player_count": 0, "ranked": true }, { "id": 128084, "name": "第εε±ε΄ζ£ι¦ζ θ΅οΌ13θ·―οΌ", "director": { "id": 1605251, "username": "FZD2024", "country": "cn", "icon": "https://user-uploads.online-go.com/fcd1512b34c1e6067a040674bb6686aa-64.png", "ratings": { "version": 5, "overall": { "rating": 1730.4378856515395, "deviation": 74.5341444951382, "volatility": 0.05998522547130695 } }, "ranking": 27.611734363109694, "professional": false, "ui_class": "" }, "description": "ζ¬’θΏε ε ₯ https://online-go.com/group/13797 ^_^\n ζ¬ε±ζΉδΈΊη士εΆ\n ζ―ζζ£14倩\n η₯δ½ ζεΏ«οΌ", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 1209600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13797, "name": " ζ ι΄ε€η’ζ―ε Go Advance forward forever", "summary": "ζ¬’θΏε΄ζ£η±ε₯½θ ζ₯ε°ε±δΊζ¨ηεε°\n\n\n In Your π Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 495, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": false, "time_start": "2025-05-04T23:30:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-04T23:30:49.899719Z", "ended": null, "start_waiting": "2025-05-04T23:30:49.781492Z", "board_size": 13, "active_round": 4, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 9, "ranked": true }, { "id": 127370, "name": "Π’ΡΡΠ½ΠΈΡπ€―π€―π€―β3", "director": { "id": 1687058, "username": "Kaw_Ninja", "country": "pt", "icon": "https://user-uploads.online-go.com/65362065d6e8e89c6607395ba8eb3d2f-64.png", "ratings": { "version": 5, "overall": { "rating": 952.4415334467215, "deviation": 70.79654177968679, "volatility": 0.06431646549167647 } }, "ranking": 13.788845156340887, "professional": false, "ui_class": "" }, "description": "Π’ΡΡΠ½ΠΈΡπ€―π€―π€―3", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 15184, "name": "Π’Π°ΡΠ°ΡΡΡΠ°Π½", "summary": "<img src=\"http://kazchess.ru/wp-content/uploads/2020/02/%D1%84%D0%BE%D1%82%D0%BE-%D0%B4%D0%B5%D1%82.jpg\">", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-05T11:00:00Z", "players_start": 3, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-05T11:00:49.972278Z", "ended": null, "start_waiting": "2025-05-05T11:00:49.825403Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-15.png", "player_count": 7, "ranked": true }, { "id": 101537, "name": "McMahon 19Γ19", "director": { "id": 799595, "username": "Flaflu8000", "country": "uy", "icon": "https://user-uploads.online-go.com/ed85aed262482f5f186cf69925221fd7-64.png", "ratings": { "version": 5, "overall": { "rating": 1039.5229133761584, "deviation": 62.57849271630703, "volatility": 0.06014828743995316 } }, "ranking": 15.814202237601542, "professional": false, "ui_class": "" }, "description": "Β‘Γnanseee!\n\nPLSSSSSSSSSSSSSSSSSSSSS", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 136438, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 864000, "period_time": 129600, "periods": 8 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11805, "name": "Pokemon tornaments", "summary": "Todos son libres de unirse.\nπππ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/2b4461b57d4a5b6025fc344494752f44-64.png" }, "auto_start_on_max": false, "time_start": "2024-05-22T15:00:00Z", "players_start": 30, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-05-22T15:00:52.596145Z", "ended": null, "start_waiting": "2024-05-22T15:00:51.721675Z", "board_size": 19, "active_round": 7, "icon": "https://user-uploads.online-go.com/2b4461b57d4a5b6025fc344494752f44-15.png", "player_count": 67, "ranked": true }, { "id": 93258, "name": "big 9x9 2025", "director": { "id": 988149, "username": "Oshi sensei", "country": "fr", "icon": "https://user-uploads.online-go.com/d9d830292c84d1a7c27f73d63f39bb95-64.png", "ratings": { "version": 5, "overall": { "rating": 1183.5121576947959, "deviation": 66.8509709536524, "volatility": 0.06050254756791364 } }, "ranking": 18.817325612180408, "professional": false, "ui_class": "" }, "description": "Who is the best 9 x 9 player 2025?\nPlay to find out!!!!!!!!!!!!!!!!!!ππππππ2023ππππππππππ\nThank you to all participants!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 262080, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 259200, "periods": 1 }, "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": 17816, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T10:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T10:00:36.912044Z", "ended": null, "start_waiting": "2025-01-01T10:00:35.530189Z", "board_size": 9, "active_round": 10, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 31, "ranked": true }, { "id": 122585, "name": "Correspondence Weekly McMahon 19x19 2024-11-30 17:00", "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 Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260223T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-02-23T17:00:40.708711Z", "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": "2026-03-02T17:00:00Z", "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": "2024-11-30T17:00:16.744780Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-30T17:00:33.060676Z", "ended": null, "start_waiting": "2024-11-30T17:00:31.664636Z", "board_size": 19, "active_round": 3, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 22, "ranked": true } ] }
