+p.
+ Due to the extended knight movement, a capture, check or even checkmate
+ could be played at move 1. On the following diagram 1.Nxe7 is mate,
+ and black in turn could play 1...Nxg2 trapping the queen.
+ Consequently, captures are disabled at move 1.
+
+figure.diagram-container
+ .diagram
+ | fen:nbqnbrkr/pppppppp/8/8/8/8/PPPPPPPP/RNKBQNBR:
+ figcaption 1.Nxe7# and 1...Nxg2: "knightriders' anomalies".
+