BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251206T113559
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a980a1fa89d4
DTSTAMP:20260902T113559Z
SUMMARY:Schachabend
DTSTART:20260917T150000Z
DTEND:20260917T190000Z
END:VEVENT
END:VCALENDAR