Basis Technical Terms

1.Protected - A piece is protected if there is a piece that can capture any piece that takes the protected piece. When "A" takes "B", if "C" can take "A", "B" is protected.
2.Real protector - When a protected piece is taken, the protector can actually remove the taker at once.
3.False protector - When a protected piece is taken, the protector cannot actually remove the taker.
4.Hidden protector-When a protected piece is taken, the protector can not remove the taker at once but can do later.
5.Check - A move of any piece that causes the opponent's King to be threatened with capture in the next move.
6.Chase - A piece moves to a position where it can capture an opponent's piece which has not an real protector and is not the King, in the next move.
7.Perpetual Check - Continuously checking the opponent, causing the sequence of moves from both sides to fall into a fixed pattern.
8.Perpetual Chase - When one keeps chasing one piece of the other and the other keeps resolving the chase, one is perpetually chasing.
9.Repeated Moves- The moves of both sides is neither Perpetual Check nor Perpetual Chase,but the sequence of moves from both sides fall into a fixed pattern.
10.Total Moves-The total number of moves from both sides.
11.Effective Moves-At most ten checks from each side are included while we compute the number of moves.
12.Moves of not taking Any Piece: moves of Continuously not taking any piece from both sides.