Update tournaments.tsv

Author: ianfab

_data/tournaments.tsv

@@ -3,6 +3,7 @@ start-date	end-date	variant	location	tournament	source
 2025-06-21	2025-06-21	Shogi	Schwarzenbek/near Hamburg, Germany	Schwarzenbeker Shogi Happening 2025	<a href='https://fesashogi.eu/calendar/'>fesashogi.eu</a>
 2025-06-21	2025-06-21	Shogi	Wien	Vienna Shogi Open 2025	<a href='https://fesashogi.eu/calendar/'>fesashogi.eu</a>
 2025-06-28	2025-06-29	Shogi	Casa dei Giochi, Milan, Italy	XXI Italian Shogi Championship	<a href='https://fesashogi.eu/calendar/'>fesashogi.eu</a>
+2025-06-28	2025-06-29	Janggi	Frankfurt, Germany European Janggi Championship	
 2025-07-05	2025-07-05	Shogi	53, Barcelona, C/ del Rector Triadó	Dojo 5/7	<a href='https://shogi.es/actividad/dojo-5-7/'>shogi.es</a>
 2025-07-05	2025-07-06	Xiangqi	Schacharena (Shakkiareena), Helsinki, Finnland	Helsinki - Finnische Meisterschaft	<a href='http://chinaschach.de/blog/event/helsinki-finnische-meisterschaft/'>chinaschach.de</a>
 2025-07-14	2025-07-14	Xiangqi	-	Xiangqitreffen online	<a href='http://chinaschach.de/blog/event/xiangqitreffen-online-15/'>chinaschach.de</a>