Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3783
{ "count": 59250, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3784", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3782", "results": [ { "id": 123819, "name": "New year tournament", "director": { "id": 1675615, "username": "HACKER 23", "country": "un", "icon": "https://secure.gravatar.com/avatar/4a75f31988b89faab4672828ac5d9050?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1657.9072340501777, "deviation": 178.846638267968, "volatility": 0.06001407591970349 } }, "ranking": 26.620488751746564, "professional": false, "ui_class": "provisional" }, "description": "Happy New Year!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 44, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14915, "name": "Captain Tsubasa", "summary": "Football ⚽️", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/c788aa2a45ac1b2114ee2ed4b8d286ba-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T04:00:35.580336Z", "ended": "2025-01-01T07:47:24.195646Z", "start_waiting": "2025-01-01T04:00:35.501177Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c788aa2a45ac1b2114ee2ed4b8d286ba-15.png", "player_count": 5, "ranked": true }, { "id": 124249, "name": "Январьский бой", "director": { "id": 1402527, "username": "Adam Denton", "country": "ru", "icon": "https://user-uploads.online-go.com/62d6d8f1b4b8e474623751fc3b14fc75-64.png", "ratings": { "version": 5, "overall": { "rating": 1092.1140407061625, "deviation": 60.753839547111085, "volatility": 0.05986363772727071 } }, "ranking": 16.956734234427902, "professional": false, "ui_class": "" }, "description": "Январьская разминка", "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": true, "group": { "id": 14579, "name": "RUSSIAN GO", "summary": "Турниры, обучение го (вейчи) и друзья.", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/b1f500bb395e661172848f407e2a736d-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-13T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 14, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-12T14:03:16.086902Z", "ended": "2025-09-05T15:47:47.652378Z", "start_waiting": "2025-03-12T14:03:15.981880Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/b1f500bb395e661172848f407e2a736d-15.png", "player_count": 4, "ranked": true }, { "id": 127060, "name": "😸😺😸😺😸😺😸😺😸😺😸кошачий турнир😸😺😸😺😸😺😸😺😸😺😸😺", "director": { "id": 1707341, "username": "абрикосик кoтик", "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": "😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸😺😸😺😸😺😸😺😸😺😸😺😺😸", "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": "Татар төркеме", "summary": "\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 31, "icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-64.png" }, "auto_start_on_max": false, "time_start": "2025-04-02T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-11T10:14:14.731532Z", "ended": "2025-05-07T09:58:26.493366Z", "start_waiting": "2025-04-11T10:14:14.649823Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-15.png", "player_count": 5, "ranked": true }, { "id": 123540, "name": "13x13 New Zealand 25k-10k League #15", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "time_per_move": 90782, "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 81, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-07T04:13:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-29T15:26:48.570275Z", "ended": "2025-01-18T23:57:52.738376Z", "start_waiting": "2024-12-29T15:26:48.409342Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 123205, "name": "Tournament test #1", "director": { "id": 1672844, "username": "deleted-b9b59e78-7fe2-421b-9592-08ffce621348", "country": "us", "icon": "https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png", "ratings": { "version": 5, "overall": { "rating": 800.7266229935348, "deviation": 70.04385716130463, "volatility": 0.060331232367038926 } }, "ranking": 9.772108826139116, "professional": false, "ui_class": "" }, "description": "Me and anybody here", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 4, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 3, "initial_time": 30, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14868, "name": "Study group 9x9, 13x13, 19x19", "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-13T14:54:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-13T14:54:53.830488Z", "ended": "2024-12-13T14:59:23.466007Z", "start_waiting": "2024-12-13T14:54:53.759824Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png", "player_count": 2, "ranked": true }, { "id": 126376, "name": "9x9 Mini League 10k-25k #287", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1399.3572549371827, "deviation": 72.19982202310898, "volatility": 0.060142316440937066 } }, "ranking": 22.695566518023465, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 691, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-23T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-21T22:56:22.321755Z", "ended": "2025-05-07T15:35:55.373321Z", "start_waiting": "2025-03-21T22:56:22.173440Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 107916, "name": "Honneur a HisokaH", "director": { "id": 1409180, "username": "deleted-59daa536-5cf5-4f74-abc9-18352789d8a6", "country": "be", "icon": "https://secure.gravatar.com/avatar/a174b5e1e0864ecd881301db24b1ff2d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 766.675370480976, "deviation": 70.48953321029607, "volatility": 0.06002959976861402 } }, "ranking": 8.766099458578926, "professional": false, "ui_class": "" }, "description": "on s'amuse !", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 91871, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 691200, "max_time": 691200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1355, "name": "FulguroGo", "summary": "Apprendre le Go pour joueurs débutants et confirmés.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 916, "icon": "https://user-uploads.online-go.com/277417b334b4dedd5a136946a8c09dfc-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-30T14:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-30T14:30:32.617867Z", "ended": "2025-06-16T21:38:36.195971Z", "start_waiting": "2023-09-30T14:30:32.399916Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/277417b334b4dedd5a136946a8c09dfc-15.png", "player_count": 20, "ranked": true }, { "id": 123204, "name": "Live 9x9 Double Elimination Tournament 2024-12-13 14:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260201T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-01T10:01:01.518872Z", "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": "2026-02-01T14:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2024-12-13T14:30:53.746996Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": 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