The Sandwiched Horse Defense has been around for a long time, but up till the 1950's, it was considered an unorthodox counter to the central cannon. GM Hu RongHua is to be credited for making this opening a viable counter against the central counter and has thus become an orthodox counter.
In Chapter one of his great book, he points out to several things leading to the downfall of this counter in the ancient times. This is a must read section as it contains many lessons on opening theory.
This website and its content is copyright of xqinenglish.com 2011-2019. All rights reserved.