Enter Your Reply The Comment You're Replying To George Duke wrote on Tue, Aug 16, 2011 04:19 PM UTC:More classical problem-theme interference Grimshaws and Novotnys: http://www.chessbase.com/newsdetail.asp?newsid=7460. The Organ Pipes were first composed by Sam Loyd in 1859. A direct-mate moremover double-side Novotny/Grimshaw by Hans-Peter Rehm. Edit Form You may not post a new comment, because ItemID GM_Vukcevich does not match any item.