Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4181
{ "count": 60477, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4182", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4180", "results": [ { "id": 129837, "name": "Correspondence 19x19 RoundRobin 2025-06-26 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": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Site-wide Tournament", "schedule": { "id": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260801T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-01T19:00:16.403439Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-08-04T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-06-26T19:00:06.821623Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-26T19:00:29.338575Z", "ended": "2025-08-12T04:07:50.658187Z", "start_waiting": "2025-06-26T19:00:29.135219Z", "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": 85858, "name": "แข่งขันภายใน ป.3", "director": { "id": 779033, "username": "T.Boss Chanatip", "country": "th", "icon": "https://user-uploads.online-go.com/b48d7002f7cfe5a5b7dbf304aa99b403-64.png", "ratings": { "version": 5, "overall": { "rating": 2061.8102023964366, "deviation": 71.59224853796127, "volatility": 0.06006389214999419 } }, "ranking": 31.667842307001894, "professional": false, "ui_class": "" }, "description": "ชนะ = +1\nแพ้ = +0.5", "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": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9318, "name": "Piyachat ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 222, "icon": "https://user-uploads.online-go.com/377f55c70dc6d0f96d66a92236bb05d1-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-08T03:05:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-08T03:05:56.601434Z", "ended": "2022-02-08T03:45:57.127102Z", "start_waiting": "2022-02-08T03:05:56.173011Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/377f55c70dc6d0f96d66a92236bb05d1-15.png", "player_count": 9, "ranked": true }, { "id": 47602, "name": "Reg Correspondence 9x9 10player Round Robin. 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"name": "III. SAP Hungary 13-as körmérkőzés", "director": { "id": 34673, "username": "palzol", "country": "hu", "icon": "https://user-uploads.online-go.com/1e924ed958a88f964237b0b8b384af1e-64.png", "ratings": { "version": 5, "overall": { "rating": 1797.2603134610783, "deviation": 61.69211885287227, "volatility": 0.059986055952751006 } }, "ranking": 28.488863966701214, "professional": false, "ui_class": "supporter" }, "description": "A nagysikerű I. és II. után itt a III. 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }
