Last week's puzzle was a beaufort cipher.
PGSZS QUTNV AWIYZ ENGMM RULXB JCWQW ITVDJ PCMDQ QVMZS WFPRJ PZFJU EAWAW PGAYC UTORC IVIXO EKSYE IVHKW XNHYW R
The key length was 5 letters long, and the solution method would have been similar to a Vigenère.
THISI STHEF IRSTB EAUFO RTPUZ ZLEBE AUFOR TLOOK SSOSI MILAR TOVIG ENERE THATY OUMAY ASSUM EDITW ASTHE LATTE R
Reformatting: This is the first beaufort puzzle. Beaufort looks so similar to vigenère that you may assumed it was the latter!