"You traded your Black Chariot for my White Rook, and even got me out of check,"
Amid the emerald-green grass, the figure seated across the chessboard quietly watched the man in military uniform before him and smiled. "But you do not have many pieces left."
"There was not much I could do to begin with."
The man in military uniform slowly picked up the king and moved it two squares to the right. Then he moved the Black Chariot on the right, which had never moved before, to the king's left, bringing it into the center of the battlefield.
"Castling?"
The figure across from him was briefly stunned, then smiled. "You kept that Black Chariot unmoved all this time just to wait for this?"
Castling was a special rule in chess. Provided neither the king nor the rook involved had moved, and there were no pieces between them, the king could move two squares toward the rook, and the rook would then be placed beside the king.
As he spoke, the figure across from him paused slightly. He raised his head and looked toward the end of the distant night, then smiled after a moment of distraction. "Interesting. Power left behind by Elunsk?"
He withdrew his gaze and looked at the chessboard, where the king had already castled. Smiling, he said, "As long as the king does not leave his original position, you can guarantee his safety?"
"Castling can only be used once in a game,"
the man in military uniform said calmly. "There is no absolute safety in this world."
The figure across from him raised his head and looked at the man's utterly placid face, smiling. "It seems you made quite a few arrangements."
"I have done everything I could,"
the man in military uniform's gaze swept over