Changes

===Other Strategy===

===Other Strategy===

*'''"Double-filing"''' - placing two Rooks in line with each other creates a very powerful vertical or horizontal force along that line.

====Doubleing Rooks====

Placing both Rooks together in a rank or file with no pieces in between is a powerful method of attack, because each rook defends the other.

 

 

When a player intentionaly allows one of his own pieces to be taken in exchange for better position is called '''Sacrificing'''.  Often the piece is offerend in an attempt to get the players opponenet to weaken his own defenses by capturing with a piece that is had been in a good defensive position.

*'''Sacrificing for Position'''- This involves intentionally allowing your opponent to take a piece, in order to open up for a counter attack. By offering up the piece, the opponent may weaken his defenses by attacking it, allowing for a decisive strike.

 

===Relative Value of Pieces===

===Relative Value of Pieces===