Thanks for the opinions though it is my poor English. ohioply says: This article, in Karen's Bridge Library Site, http://www.prairienet.org/bridge/ is my most basic 2/1 knowledgement in early days. I thought the content of this article to be a Lawrence style. pclayton says: Thanks your precious opinion. I will refer very much. One expert wrote article about this, Fred Gitelman. BBO->Explore Bridge->Bridge Library->English->Lectures->Transcript of Lecture 3 "Introduction to 2 over 1 Game Force - Bridge Base Online Lecture - May 30, 2001 He says, as follows. and says, So, I thought that the Lawrence style (Almost Game forcing=invitational 1-suiter hand) had the possibility that was not the main stream if it was assumed that it began to learn for the present. Is it true?