Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5546
{ "count": 60024, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5547", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5545", "results": [ { "id": 131033, "name": "Kranj 112", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 789.792021382491, "deviation": 64.86396886901105, "volatility": 0.059924389565863295 } }, "ranking": 9.453797542761778, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 38051, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 259200, "max_time": 604800 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null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 130737, "name": "Zodiac Tournament", "director": { "id": 831547, "username": "IscΔ±menOzgur", "country": "tr", "icon": "https://user-uploads.online-go.com/d6668877ce9aa2beeac7364df9728eb0-64.png", "ratings": { "version": 5, "overall": { "rating": 1547.8645751482813, "deviation": 66.76208019675295, "volatility": 0.060106013779653134 } }, "ranking": 25.030550987062494, "professional": false, "ui_class": "" }, "description": "Start playing and enjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 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": 828, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2025-07-27T20:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-27T20:00:05.524985Z", "ended": "2025-10-01T21:26:26.213336Z", "start_waiting": "2025-07-27T20:00:05.370347Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true }, { "id": 127812, "name": "π·πΌπΈπΉπΊππ»πΠ‘ Π΄Π½Π΅ΠΌ 1 ΠΌΠ°Ρπ·πΌπΈπΉπΊππ»π", "director": { "id": 1707341, "username": "Π°Π±ΡΠΈΠΊΠΎΡΠΈΠΊ ΠΊoΡΠΈΠΊ", "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": "π·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊπ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»πππ»ππ·πΌπΈπΉπΊππ»π", "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": 15186, "name": "Π’Π°ΡΠ°Ρ ΡΣ©ΡΠΊΠ΅ΠΌΠ΅", "summary": "\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-64.png" }, "auto_start_on_max": false, "time_start": "2025-04-24T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-21T08:24:16.034408Z", "ended": null, "start_waiting": "2025-08-21T08:24:15.955149Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-15.png", "player_count": 4, "ranked": true }, { "id": 126796, "name": "Handicap Arena 2025 - 021", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1042.0361543086965, "deviation": 64.58721126972895, "volatility": 0.06005963420066863 } }, "ranking": 15.870104139943297, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-28T18:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, 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true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-08-10T19:00:52.913457Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-10T19:00:53.464278Z", "ended": "2026-06-06T23:12:47.992363Z", "start_waiting": "2025-08-10T19:00:53.043734Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 135578, "name": "Correspondence 13x13 RoundRobin 2025-12-21 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": 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