The position is by Life Master Joel Johnson, who just released his new book " Positional Attacks " In the position below it is White to move . Joel writes: The following game is an excerpt from my new book, "Positional Attacks". The book was released on February 28, 2014. Fatal Weakness Just one weak square in your opponent's defensive stronghold can give rise to a terminal attack. The ability to manufacture and/or identify existing weaknesses in your opponent's position is a lethal skill to possess. The moves are easy to see if your eyes can easily spot the weakness in the Black position. Here is the complete game [Event "Casual Game"] [Site "London"] [Date "1892.??.??"] [Round "?"] [White "Wordsworth Donisthorpe"] [Black "Mundell"] [Result "1-0"] [ECO "C46"] [PlyCount "29"] [EventDate "1892.??.??"...