Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5705
{ "count": 58823, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5706", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5704", "results": [ { "id": 2316, "name": "Exploration", "director": { "id": 45159, "username": "nickm", "country": "de", "icon": "https://secure.gravatar.com/avatar/31226b008d6493e7ae1db11aaa795dea?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1649.8439048799135, "deviation": 67.42797010914751, "volatility": 0.059968981370566825 } }, "ranking": 26.507622679178283, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 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"3", "maximum_players": 40 }, "next_run": "2026-03-03T12:00:00Z", "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": "2023-01-30T20:30:16.471856Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-01-30T20:30:18.246179Z", "ended": "2023-01-30T21:58:54.452178Z", "start_waiting": "2023-01-30T20:30:17.956363Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 120125, "name": "Blitz 13x13 Swiss Tournament 2024-09-12 19:30", "director": { "id": 4, 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"2019-10-21T15:31:34.610512Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 112174, "name": "Correspondence Weekly McMahon 19x19 2024-02-03 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:20260302T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-02T17:00:40.843843Z", "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": "2026-03-09T17:00:00Z", "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": "2024-02-03T17:00:17.982833Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-03T17:01:16.060912Z", "ended": "2025-08-07T13:50:45.985359Z", "start_waiting": "2024-02-03T17:01:15.204937Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 17, "ranked": true }, { "id": 45217, "name": "Monthly Simultaneous McMahon 2019-02-16 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 Sitewide Tournament", "schedule": { "id": 10, "name": "Monthly Simultaneous McMahon", 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true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-02-16T17:00:13.374656Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-02-16T17:01:27.921801Z", "ended": "2020-04-19T16:25:23.972311Z", "start_waiting": "2019-02-16T17:01:06.552302Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 65, "ranked": true }, { "id": 2303, "name": "slowpoke's mini-tournament", "director": { "id": 30534, "username": "jaguarundi", "country": "gb", "icon": "https://user-uploads.online-go.com/7a4d22da7e3b4bbb0cb834ae8c42ac42-64.png", "ratings": { "version": 5, "overall": { "rating": 1701.4342417048633, "deviation": 86.32527234514384, "volatility": 0.0600052976375282 } }, "ranking": 27.220431704620708, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 18, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2013-10-10T18:08:16Z", "ended": "2013-10-10T16:08:16Z", "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": 2306, "name": "Fun in the sun", "director": { "id": 44573, "username": "jmstone", "country": "gb", "icon": "https://secure.gravatar.com/avatar/d72fc6bff3fb06403aba11b6ed2c1f31?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1469.8653715385533, "deviation": 63.769174003728445, "volatility": 0.05980550614849325 } }, "ranking": 23.833569241343287, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, 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"rules": "japanese", "time_per_move": 36, "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": "2019-08-20T08:30:12.485729Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-08-20T08:31:15.052482Z", "ended": "2019-08-20T10:35:36.569215Z", "start_waiting": "2019-08-20T08:31:13.892410Z", "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 }, { "id": 48618, "name": "Hyperstones 19 01", "director": { "id": 621305, "username": "Greenstorm", "country": "_GoT_Martell", "icon": "https://user-uploads.online-go.com/46a5542c64aad2ab4b719d0a7086ba65-64.png", "ratings": { "version": 5, "overall": { 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"2019-06-06T02:15:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-06-06T04:05:21.396024Z", "ended": "2020-03-21T05:50:30.245807Z", "start_waiting": "2019-06-06T04:05:20.497561Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fb740739d13c239cc4110ae6be57b308-15.png", "player_count": 9, "ranked": true } ] }
