Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=1900
{ "count": 60889, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=1901", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=1899", "results": [ { "id": 86845, "name": "Absolute Fortnight - july 2022", "director": { "id": 710368, "username": "Macrophage", "country": "un", "icon": "https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png", "ratings": { "version": 5, "overall": { "rating": 1724.9096660657565, "deviation": 67.26194923362821, "volatility": 0.05975677973761564 } }, "ranking": 27.537658808804146, "professional": false, "ui_class": "" }, "description": "-----\nNo pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified. This ensures the games are fast.\n\n**Beware that this is fast correspondence.**\n\nAlso, please do not use AI.\n\n---------------\n* Previous tournament:\nhttps://online-go.com/tournament/84461\n* Next tournament:\nhttps://online-go.com/tournament/90113", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 13440, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 1209600 }, "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": 831, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2022-06-30T23:00:00Z", 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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-08-31T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "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": "2022-09-30T02:30:17.882883Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-30T02:30:19.290491Z", "ended": "2022-09-30T03:18:34.990383Z", "start_waiting": "2022-09-30T02:30:19.143921Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", 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"2022-10-09T19:22:43.206281Z", "start_waiting": "2022-10-09T18:30:06.549088Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 92030, "name": "Kkjkkkmmkkkk…七月", "director": { "id": 1098552, "username": "lkes20612", "country": "tw", "icon": "https://user-uploads.online-go.com/d7c68e22e294e8bdc2e1ec565c98d248-64.png", "ratings": { "version": 5, "overall": { "rating": 1106.4040763180637, "deviation": 68.63842157848215, "volatility": 0.05997675010699939 } }, "ranking": 17.25768147768575, "professional": false, "ui_class": "" }, "description": ":。\nAessesssesweeweewe", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 89280, "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": 11671, "name": "~樂享圍棋~", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/8fc449ffc4206b5ce10861ffb34b1da7-64.png" }, "auto_start_on_max": false, "time_start": "2022-07-04T01:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-28T11:22:42.158824Z", "ended": "2023-04-01T19:01:19.427013Z", "start_waiting": "2022-09-28T11:22:42.033505Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8fc449ffc4206b5ce10861ffb34b1da7-15.png", "player_count": 4, "ranked": true }, { "id": 94774, "name": "Live 9x9 Double Elimination Tournament 2022-09-19 06:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-08-31T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "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": "2022-09-19T06:30:43.430042Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-19T06:30:44.805584Z", "ended": "2022-09-19T06:59:21.615791Z", "start_waiting": "2022-09-19T06:30:44.652781Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 101901, "name": "Live 9x9 Double Elimination Tournament 2023-04-05 22:30", "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": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260831T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-31T18:00:32.081774Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, 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"2023-04-05T23:26:28.076354Z", "start_waiting": "2023-04-05T22:30:28.450055Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 95081, "name": "Blitz 19x19 Elimination Tournament 2022-09-28 09:30", "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": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260831T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-31T17:00:32.283336Z", 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