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→3) The 50-move Rule
====3) The 50-move Rule====
If each player makes 50 successive moves without capturing anything and without moving a pawn, the game is a draw.
====4) Insufficient Mating Material====
If neither side has sufficient material on the board for checkmate to be possible, the game is a draw. For example, two lone kings, or king and bishop against a lone king.
===Chess Notation===
The algebraic system of notation has many forms, but all are based on the use of the square identifiers, A1, C6, E3, etc. We shall use a simple system in which every move is recorded by naming the square from which a piece moves, followed by the square to which it moves. For example:
