Changes

=== Additional notes ===

=== Additional notes ===

* In order to [en.wikipedia.org/wiki/Castling | castle] on the King's side (O-O), move the King to the g file.

* In order to [http://en.wikipedia.org/wiki/Castling castle] on the King's side (O-O), move the King to the g file.

* In order to castle on the Queen's side (O-O-O), move the King to c file.

* In order to castle on the Queen's side (O-O-O), move the King to c file.

* When the King is put in check, its square will flash

* When the King is put in check, its square will flash