價格：免費
更新日期：2018-07-07
檔案大小：13M
目前版本：0.13beta
版本需求：Android 5.0 以上版本
官方網站：mailto:chesstrainer@mail.com
Once you know the chess rules, you find yourself with a wealth of choices. What is a good move during the opening stage? This course explains how you can distinguish a good opening stage move from a bad one.
In this part of this course, we discuss the second of the 2 openings for black which together form a defense against the most common first moves of white.