Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5541
{ "count": 59082, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5542", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5540", "results": [ { "id": 49174, "name": "August Correspondence tournament", "director": { "id": 607169, "username": "Koreadars", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/1910420678f28b78fe5b8898350c77ff-64.png", "ratings": { "version": 5, "overall": { "rating": 2357.1359340613008, "deviation": 75.92640303674303, "volatility": 0.0600299512870185 } }, "ranking": 34.76676980364381, "professional": false, "ui_class": "" }, "description": "Please note that bot players can’t play!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "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": 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": 1780, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2019-08-01T07:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-08-01T07:00:28.670243Z", "ended": "2021-02-27T23:08:03.810655Z", "start_waiting": "2019-08-01T07:00:04.966497Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 63, "ranked": true }, { "id": 61484, "name": "Manchester Go Club - Rapid 19x19 Tournament #4", "director": { "id": 206311, "username": "taiyaki 鯛焼き", "country": "jp", "icon": "https://user-uploads.online-go.com/bf298249efe61246416591f25414b80c-64.png", "ratings": { "version": 5, "overall": { "rating": 1867.1000057404892, "deviation": 65.45025222666547, "volatility": 0.060005676838603444 } }, "ranking": 29.37141073911507, "professional": false, "ui_class": "supporter" }, "description": "Welcome to the 4th Manchester Go Club Rapid 19x19 Tournament. 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17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260316T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-16T17:00:11.719733Z", "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": "2026-03-23T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": "2022-10-01T17:00:55.207585Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-10-01T17:01:03.299446Z", "ended": "2023-05-31T12:35:22.843238Z", "start_waiting": "2022-10-01T17:01:02.833243Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 67629, "name": "MIAULIN SUPERO PODEROSOS WOF", "director": { "id": 607938, "username": "kido.go.baduk", "country": "mx", "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png", "ratings": { "version": 5, "overall": { "rating": 737.7046137263186, "deviation": 68.20913185753804, "volatility": 0.06058593027435129 } }, "ranking": 7.874362062534066, "professional": false, "ui_class": "" }, "description": "TORNEO DE GO PARA TERCERO", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4841, "name": "PIPIOLO GO 2022🏆", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 215, "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-09T18:16:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-11-09T18:16:25.304309Z", "ended": "2020-11-09T19:00:37.120134Z", "start_waiting": "2020-11-09T18:16:24.880307Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png", "player_count": 8, "ranked": true }, { "id": 135110, "name": "Vesmat.cz", "director": { "id": 938281, "username": "lalca", "country": "cz", "icon": "https://user-uploads.online-go.com/68fb7ce9de99ede0203d1aff91b0a501-64.png", "ratings": { "version": 5, "overall": { "rating": 1053.8042950095455, "deviation": 65.62947759947153, "volatility": 0.05974406064949259 } }, "ranking": 16.130081296572477, "professional": false, "ui_class": "" }, "description": "Turnaj pro každého.", "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": 8367, "name": "Go klub Písek", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/2a6b5b6f74b19a2472d3d12151c82f6f-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-08T16:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-08T16:00:14.257251Z", "ended": null, "start_waiting": "2026-01-08T16:00:13.976455Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/2a6b5b6f74b19a2472d3d12151c82f6f-15.png", "player_count": 13, "ranked": true }, { "id": 67270, "name": "Halloween 2020 Live", "director": { "id": 683917, "username": "RubyMineshaft", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/16f35345635b5342707681075cf9bd9e-64.png", "ratings": { "version": 5, "overall": { "rating": 1289.6039801680154, "deviation": 63.30041884509991, "volatility": 0.05997163790229024 } }, "ranking": 20.80472432616183, "professional": false, "ui_class": "supporter moderator" }, "description": "This the 4th weekly live tournament. We’re holding one at the same time every weekend, so please join if you can, or if not then join us next time.\n\nThis is a swiss tournament, every player will play every round, there will not be any elimination. The number of rounds varies with the number of players, expect at least 3-4 rounds. Even if there are a large number of players the number of rounds will not grow too large, see here for more information https://en.wikipedia.org/wiki/Swiss-system_tournament\n\nWe’re planning these in this forum thread, please let us know if you have any suggestions, we’re still iterating on the format of these tournaments https://forums.online-go.com/t/live-tournaments-group/31108", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6993, "name": "Live Tournaments", "summary": "A group for players who enjoy live tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 26, "icon": 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17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260322T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-03-22T15:00:19.565892Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-03-22T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, 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}, "next_run": "2026-03-22T16:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-08-06T20:30:52.474794Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-08-06T20:31:52.590088Z", "ended": "2025-08-06T21:38:38.760393Z", "start_waiting": "2025-08-06T20:31:52.491005Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true } ] }
