NOTATION
All chess moves can be represented by the name of the starting square of the
moving piece and the end square of the moving move.

The 8 files(vertical columns) of a chessboard are named a-h. The first file
is a, the second is b etc. Files are named from the left.

The 8 ranks(horizontal rows) are named 1-8. Ranks are always numbered from
white's end of the board.

A square is referred to by its file then its rank.

It is absolutely essential you are familiar with algebraic notation.
Your choices of moves will be in short algebraic.
The piece that moves is shown by its initial letter.
A knight is shown by N in order to distinguish it from a king.
A pawn is not represented by any letter.

The square a piece (or pawn) moves to is shown by the filename
followed by a rankname. The file is always first.
The files are named a-h from whites left to right.
The ranks are numbered 1-8 from white's end of the board.
e.g.Bc4 means a bishop moves to a file named c and the fourth rank.
By cross referencing the file and the rank you can find out which
square this is.

A capture is represented by the letter X. Castles kingside is 0-0
Castles queenside is 0-0-0. Check may be represented by +.
Checkmate can be represented by #.