The Third Principle: Space

  • When you have advantage in space, you control more trritory than your opponent
  • Your pieces have more sqaures to choose from than the enemy pieces, which are severely restricted in their movements.

The Space Count System

  • White owns the ranks from 1 to 4, while black owns the ranks from 5 to 8.
  • Anything controlled beyond these personal squares in the enemey domain is accounted in space count system.
  • Other factors to consider are:
    • Can king castle?
    • Pawn/Piece advantage
    • Pawn islands?
    • Rook on active files
    • etc.

How to use a space advantage

Rooks and Open Files

  • Rooks need open files to be effective.

Bishops and Open Diagonals

  • Bishops need open diagonals if they are to reach their full potential.

The Fianchettoed Bishop

  • To place a bishop on the longest possible diagona is to fianchetto it.

The Knight as Advance Scout

  • Don’t keep knight in corner and try to advance knight for more space.

How to gain a space advantage in the openeing

  • Acquiring superior force in some part of the board
  • Gaining a lead in development
  • Improving your paawn structure
  • Gaining space

How to defend against a space advantage

  • The player with less space should try to trade some pieces.