- A new piece is introduced: the antiking, noted by the letter 'A' in diagrams
- and PGNs. This piece must always remain under (orthodox) check: it is
- considered in (anti-)check when not attacked by any enemy piece. In such a
- situation, the antiking must move immediately to an attacked square.
+ A new piece is introduced: the antiking, noted by the letter 'A' in diagrams
+ and PGNs. This piece must always remain under (orthodox) check: it is
+ considered in (anti-)check when not attacked by any enemy piece. In such a
+ situation, the antiking must move immediately to an attacked square.