Berlin defence, curious improvement - Chess Forums

Hi all, When I was browsing an opening explorer to acquaint myself with the quiet variation of the Berlin defence, I encountered somewhat of a mystery to me. In this position black used to play b5 and have good stats, but for some reason recently the common move has become Ba7. To me these moves both

A different D-Day (Earth 1939 mod) : r/civ5

Berlin Defense - Chess Pathways

How to create new chess openings - Quora

Chess games of the rich and famous: T. Roosevelt, John Hay and Joe Cannon

19th Century Chess : From Sarratt to Morphy

News – Sanghani Center for Artificial Intelligence and Data Analytics

2022 Archives - British Chess News

Chess Opening Basics: Berlin, Rio de Janeiro Variation - Chessable Blog

World Chess Championship: Games 5 and 6 - A Slugfest

British Chess Magazine September 2023, PDF, Chess